{"entity":{"type":"insider","cik":"0001254849","url":"/insider/0001254849","json_url":"/insider/0001254849.json","name":"GACK LEWIS P","name_source":"as-filed","also_issuer":false,"cross_url":null},"coverage_statement":{"n_transactions":46,"n_filings":43,"first":"2007-01-23","last":"2021-01-22","span_basis":"filed_date"},"name_variants":[{"name":"GACK LEWIS P","source":"filing","n_filings":43,"first_seen":"2007-01-23","last_seen":"2021-01-22"}],"transactions":[{"id":4135367,"accession":"0001179110-21-000772","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001179110-21-000772","line_url":"/filing/0001179110-21-000772#line-1","is_derivative":false,"issuer_cik":"0000830524","issuer_name":"CHASE CORP","issuer_ticker":"CCF","issuer_name_source":null,"issuer_url":"/issuer/0000830524","owner_cik":"0001254849","owner_name":"GACK LEWIS P","owner_display_name":"GACK LEWIS P","owner_url":"/insider/0001254849","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Chase Corporation","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":125.0,"shares_display":"125","price_per_share":109.08,"price_display":"109.08","price_state":"stated","total_value":13635.0,"total_display":"13,635.00","total_whole":"13,635","shares_owned_after":3954.0,"shares_owned_after_display":"3,954","ownership_form":"D","is_10b5_1":null,"transaction_date":"2021-01-20","filed_date":"2021-01-22","scope":"insider"},{"id":2708569,"accession":"0001179110-20-011149","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001179110-20-011149","line_url":"/filing/0001179110-20-011149#line-1","is_derivative":false,"issuer_cik":"0000830524","issuer_name":"CHASE CORP","issuer_ticker":"CCF","issuer_name_source":null,"issuer_url":"/issuer/0000830524","owner_cik":"0001254849","owner_name":"GACK LEWIS P","owner_display_name":"GACK LEWIS P","owner_url":"/insider/0001254849","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Chase Corporation","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":100.0,"shares_display":"100","price_per_share":103.7,"price_display":"103.70","price_state":"stated","total_value":10370.0,"total_display":"10,370.00","total_whole":"10,370","shares_owned_after":4119.0,"shares_owned_after_display":"4,119","ownership_form":"D","is_10b5_1":null,"transaction_date":"2020-11-17","filed_date":"2020-11-17","scope":"insider"},{"id":2527554,"accession":"0001179110-20-008856","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001179110-20-008856","line_url":"/filing/0001179110-20-008856#line-1","is_derivative":false,"issuer_cik":"0000830524","issuer_name":"CHASE CORP","issuer_ticker":"CCF","issuer_name_source":null,"issuer_url":"/issuer/0000830524","owner_cik":"0001254849","owner_name":"GACK LEWIS P","owner_display_name":"GACK LEWIS P","owner_url":"/insider/0001254849","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Chase Corporation","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":100.0,"shares_display":"100","price_per_share":107.71,"price_display":"107.71","price_state":"stated","total_value":10771.0,"total_display":"10,771.00","total_whole":"10,771","shares_owned_after":4219.0,"shares_owned_after_display":"4,219","ownership_form":"D","is_10b5_1":null,"transaction_date":"2020-08-11","filed_date":"2020-08-11","scope":"insider"},{"id":2410870,"accession":"0001179110-20-005339","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001179110-20-005339","line_url":"/filing/0001179110-20-005339#line-1","is_derivative":false,"issuer_cik":"0000830524","issuer_name":"CHASE CORP","issuer_ticker":"CCF","issuer_name_source":null,"issuer_url":"/issuer/0000830524","owner_cik":"0001254849","owner_name":"GACK LEWIS P","owner_display_name":"GACK LEWIS P","owner_url":"/insider/0001254849","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Chase Corporation","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":400.0,"shares_display":"400","price_per_share":91.62,"price_display":"91.62","price_state":"stated","total_value":36648.0,"total_display":"36,648.00","total_whole":"36,648","shares_owned_after":4319.0,"shares_owned_after_display":"4,319","ownership_form":"D","is_10b5_1":null,"transaction_date":"2020-05-01","filed_date":"2020-05-01","scope":"insider"},{"id":2354583,"accession":"0001179110-20-001130","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001179110-20-001130","line_url":"/filing/0001179110-20-001130#line-1","is_derivative":false,"issuer_cik":"0000830524","issuer_name":"CHASE CORP","issuer_ticker":"CCF","issuer_name_source":null,"issuer_url":"/issuer/0000830524","owner_cik":"0001254849","owner_name":"GACK LEWIS P","owner_display_name":"GACK LEWIS P","owner_url":"/insider/0001254849","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Chase Corporation Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":100.0,"shares_display":"100","price_per_share":91.85,"price_display":"91.85","price_state":"stated","total_value":9185.0,"total_display":"9,185.00","total_whole":"9,185","shares_owned_after":4032.0,"shares_owned_after_display":"4,032","ownership_form":"D","is_10b5_1":null,"transaction_date":"2020-01-31","filed_date":"2020-02-05","scope":"insider"},{"id":8062071,"accession":"0001179110-19-011788","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001179110-19-011788","line_url":"/filing/0001179110-19-011788#line-1","is_derivative":false,"issuer_cik":"0000830524","issuer_name":"CHASE CORP","issuer_ticker":"CCF","issuer_name_source":null,"issuer_url":"/issuer/0000830524","owner_cik":"0001254849","owner_name":"GACK LEWIS P","owner_display_name":"GACK LEWIS P","owner_url":"/insider/0001254849","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Chase Corporation Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":200.0,"shares_display":"200","price_per_share":120.58,"price_display":"120.58","price_state":"stated","total_value":24116.0,"total_display":"24,116.00","total_whole":"24,116","shares_owned_after":4132.0,"shares_owned_after_display":"4,132","ownership_form":"D","is_10b5_1":null,"transaction_date":"2019-11-18","filed_date":"2019-11-18","scope":"insider"},{"id":8229412,"accession":"0001179110-19-004980","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001179110-19-004980","line_url":"/filing/0001179110-19-004980#line-1","is_derivative":false,"issuer_cik":"0000830524","issuer_name":"CHASE CORP","issuer_ticker":"CCF","issuer_name_source":null,"issuer_url":"/issuer/0000830524","owner_cik":"0001254849","owner_name":"GACK LEWIS P","owner_display_name":"GACK LEWIS P","owner_url":"/insider/0001254849","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Chase Corporation Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":650.0,"shares_display":"650","price_per_share":91.07,"price_display":"91.07","price_state":"stated","total_value":59195.5,"total_display":"59,195.50","total_whole":"59,196","shares_owned_after":4357.0,"shares_owned_after_display":"4,357","ownership_form":"D","is_10b5_1":null,"transaction_date":"2019-04-16","filed_date":"2019-04-16","scope":"insider"},{"id":8483149,"accession":"0001179110-19-001414","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001179110-19-001414","line_url":"/filing/0001179110-19-001414#line-1","is_derivative":false,"issuer_cik":"0000830524","issuer_name":"CHASE CORP","issuer_ticker":"CCF","issuer_name_source":null,"issuer_url":"/issuer/0000830524","owner_cik":"0001254849","owner_name":"GACK LEWIS P","owner_display_name":"GACK LEWIS P","owner_url":"/insider/0001254849","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Chase Corporation Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":100.0,"shares_display":"100","price_per_share":99.89,"price_display":"99.89","price_state":"stated","total_value":9989.0,"total_display":"9,989.00","total_whole":"9,989","shares_owned_after":4290.0,"shares_owned_after_display":"4,290","ownership_form":"D","is_10b5_1":null,"transaction_date":"2019-02-04","filed_date":"2019-02-06","scope":"insider"},{"id":6815196,"accession":"0001179110-18-010941","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001179110-18-010941","line_url":"/filing/0001179110-18-010941#line-1","is_derivative":false,"issuer_cik":"0000830524","issuer_name":"CHASE CORP","issuer_ticker":"CCF","issuer_name_source":null,"issuer_url":"/issuer/0000830524","owner_cik":"0001254849","owner_name":"GACK LEWIS P","owner_display_name":"GACK LEWIS P","owner_url":"/insider/0001254849","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Chase Corporation Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":100.0,"shares_display":"100","price_per_share":130.76,"price_display":"130.76","price_state":"stated","total_value":13076.0,"total_display":"13,076.00","total_whole":"13,076","shares_owned_after":4390.0,"shares_owned_after_display":"4,390","ownership_form":"D","is_10b5_1":null,"transaction_date":"2018-08-27","filed_date":"2018-08-28","scope":"insider"},{"id":6656084,"accession":"0001179110-18-009691","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001179110-18-009691","line_url":"/filing/0001179110-18-009691#line-1","is_derivative":false,"issuer_cik":"0000830524","issuer_name":"CHASE CORP","issuer_ticker":"CCF","issuer_name_source":null,"issuer_url":"/issuer/0000830524","owner_cik":"0001254849","owner_name":"GACK LEWIS P","owner_display_name":"GACK LEWIS P","owner_url":"/insider/0001254849","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Chase Corporation Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":200.0,"shares_display":"200","price_per_share":119.6,"price_display":"119.60","price_state":"stated","total_value":23920.0,"total_display":"23,920.00","total_whole":"23,920","shares_owned_after":4490.0,"shares_owned_after_display":"4,490","ownership_form":"D","is_10b5_1":null,"transaction_date":"2018-07-12","filed_date":"2018-07-16","scope":"insider"},{"id":6095887,"accession":"0001179110-18-005662","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001179110-18-005662","line_url":"/filing/0001179110-18-005662#line-1","is_derivative":false,"issuer_cik":"0000830524","issuer_name":"CHASE CORP","issuer_ticker":"CCF","issuer_name_source":null,"issuer_url":"/issuer/0000830524","owner_cik":"0001254849","owner_name":"GACK LEWIS P","owner_display_name":"GACK LEWIS P","owner_url":"/insider/0001254849","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Chase Corporation Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":820.0,"shares_display":"820","price_per_share":106.54,"price_display":"106.54","price_state":"stated","total_value":87362.8,"total_display":"87,362.80","total_whole":"87,363","shares_owned_after":4860.0,"shares_owned_after_display":"4,860","ownership_form":"D","is_10b5_1":null,"transaction_date":"2018-04-12","filed_date":"2018-04-16","scope":"insider"},{"id":6284806,"accession":"0001179110-18-002363","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001179110-18-002363","line_url":"/filing/0001179110-18-002363","is_derivative":false,"issuer_cik":"0000830524","issuer_name":"CHASE CORP","issuer_ticker":"CCF","issuer_name_source":null,"issuer_url":"/issuer/0000830524","owner_cik":"0001254849","owner_name":"GACK LEWIS P","owner_display_name":"GACK LEWIS P","owner_url":"/insider/0001254849","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Chase Corporation Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1270.0,"shares_display":"1,270","price_per_share":106.9491968503937,"price_display":"106.95","price_state":"stated","total_value":135825.48,"total_display":"135,825.48","total_whole":"135,825","shares_owned_after":5680.0,"shares_owned_after_display":"5,680","ownership_form":"D","is_10b5_1":null,"transaction_date":"2018-02-16","filed_date":"2018-02-20","scope":"insider","n_lines":2},{"id":6095807,"accession":"0001179110-18-002227","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001179110-18-002227","line_url":"/filing/0001179110-18-002227","is_derivative":false,"issuer_cik":"0000830524","issuer_name":"CHASE CORP","issuer_ticker":"CCF","issuer_name_source":null,"issuer_url":"/issuer/0000830524","owner_cik":"0001254849","owner_name":"GACK LEWIS P","owner_display_name":"GACK LEWIS P","owner_url":"/insider/0001254849","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Chase Corporation Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":430.0,"shares_display":"430","price_per_share":108.04651162790698,"price_display":"108.05","price_state":"stated","total_value":46460.0,"total_display":"46,460.00","total_whole":"46,460","shares_owned_after":6950.0,"shares_owned_after_display":"6,950","ownership_form":"D","is_10b5_1":null,"transaction_date":"2018-02-15","filed_date":"2018-02-16","scope":"insider","n_lines":2},{"id":6490417,"accession":"0001179110-18-001944","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001179110-18-001944","line_url":"/filing/0001179110-18-001944#line-1","is_derivative":false,"issuer_cik":"0000830524","issuer_name":"CHASE CORP","issuer_ticker":"CCF","issuer_name_source":null,"issuer_url":"/issuer/0000830524","owner_cik":"0001254849","owner_name":"GACK LEWIS P","owner_display_name":"GACK LEWIS P","owner_url":"/insider/0001254849","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Chase Corporation Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":200.0,"shares_display":"200","price_per_share":104.09,"price_display":"104.09","price_state":"stated","total_value":20818.0,"total_display":"20,818.00","total_whole":"20,818","shares_owned_after":7380.0,"shares_owned_after_display":"7,380","ownership_form":"D","is_10b5_1":null,"transaction_date":"2018-02-12","filed_date":"2018-02-12","scope":"insider"},{"id":4537472,"accession":"0001179110-17-011215","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001179110-17-011215","line_url":"/filing/0001179110-17-011215#line-1","is_derivative":false,"issuer_cik":"0000830524","issuer_name":"CHASE CORP","issuer_ticker":"CCF","issuer_name_source":null,"issuer_url":"/issuer/0000830524","owner_cik":"0001254849","owner_name":"GACK LEWIS P","owner_display_name":"GACK LEWIS P","owner_url":"/insider/0001254849","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Chase Corporation Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":200.0,"shares_display":"200","price_per_share":96.75,"price_display":"96.75","price_state":"stated","total_value":19350.0,"total_display":"19,350.00","total_whole":"19,350","shares_owned_after":7334.0,"shares_owned_after_display":"7,334","ownership_form":"D","is_10b5_1":null,"transaction_date":"2017-08-07","filed_date":"2017-08-08","scope":"insider"},{"id":4674974,"accession":"0001179110-17-005924","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001179110-17-005924","line_url":"/filing/0001179110-17-005924#line-1","is_derivative":false,"issuer_cik":"0000830524","issuer_name":"CHASE CORP","issuer_ticker":"CCF","issuer_name_source":null,"issuer_url":"/issuer/0000830524","owner_cik":"0001254849","owner_name":"GACK LEWIS P","owner_display_name":"GACK LEWIS P","owner_url":"/insider/0001254849","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Chase Corporation Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":800.0,"shares_display":"800","price_per_share":96.15,"price_display":"96.15","price_state":"stated","total_value":76920.0,"total_display":"76,920.00","total_whole":"76,920","shares_owned_after":7634.0,"shares_owned_after_display":"7,634","ownership_form":"D","is_10b5_1":null,"transaction_date":"2017-04-10","filed_date":"2017-04-11","scope":"insider"},{"id":5306450,"accession":"0001179110-17-002371","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001179110-17-002371","line_url":"/filing/0001179110-17-002371#line-1","is_derivative":false,"issuer_cik":"0000830524","issuer_name":"CHASE CORP","issuer_ticker":"CCF","issuer_name_source":null,"issuer_url":"/issuer/0000830524","owner_cik":"0001254849","owner_name":"GACK LEWIS P","owner_display_name":"GACK LEWIS P","owner_url":"/insider/0001254849","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Chase Corporation Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":200.0,"shares_display":"200","price_per_share":89.87,"price_display":"89.87","price_state":"stated","total_value":17974.0,"total_display":"17,974.00","total_whole":"17,974","shares_owned_after":8434.0,"shares_owned_after_display":"8,434","ownership_form":"D","is_10b5_1":null,"transaction_date":"2017-02-13","filed_date":"2017-02-14","scope":"insider"},{"id":2581797,"accession":"0001179110-16-025052","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001179110-16-025052","line_url":"/filing/0001179110-16-025052#line-2","is_derivative":false,"issuer_cik":"0000830524","issuer_name":"CHASE CORP","issuer_ticker":"CCF","issuer_name_source":null,"issuer_url":"/issuer/0000830524","owner_cik":"0001254849","owner_name":"GACK LEWIS P","owner_display_name":"GACK LEWIS P","owner_url":"/insider/0001254849","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Chase Corporation Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":300.0,"shares_display":"300","price_per_share":56.49,"price_display":"56.49","price_state":"stated","total_value":16947.0,"total_display":"16,947.00","total_whole":"16,947","shares_owned_after":8586.0,"shares_owned_after_display":"8,586","ownership_form":"D","is_10b5_1":null,"transaction_date":"2016-05-19","filed_date":"2016-05-19","scope":"insider"},{"id":2652284,"accession":"0001179110-16-022986","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001179110-16-022986","line_url":"/filing/0001179110-16-022986#line-1","is_derivative":false,"issuer_cik":"0000830524","issuer_name":"CHASE CORP","issuer_ticker":"CCF","issuer_name_source":null,"issuer_url":"/issuer/0000830524","owner_cik":"0001254849","owner_name":"GACK LEWIS P","owner_display_name":"GACK LEWIS P","owner_url":"/insider/0001254849","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Chase Corporation Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":250.0,"shares_display":"250","price_per_share":55.91,"price_display":"55.91","price_state":"stated","total_value":13977.5,"total_display":"13,977.50","total_whole":"13,978","shares_owned_after":8886.0,"shares_owned_after_display":"8,886","ownership_form":"D","is_10b5_1":null,"transaction_date":"2016-04-12","filed_date":"2016-04-13","scope":"insider"},{"id":3343162,"accession":"0001179110-16-020034","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001179110-16-020034","line_url":"/filing/0001179110-16-020034#line-1","is_derivative":false,"issuer_cik":"0000830524","issuer_name":"CHASE CORP","issuer_ticker":"CCF","issuer_name_source":null,"issuer_url":"/issuer/0000830524","owner_cik":"0001254849","owner_name":"GACK LEWIS P","owner_display_name":"GACK LEWIS P","owner_url":"/insider/0001254849","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Chase Corporation Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":550.0,"shares_display":"550","price_per_share":48.5,"price_display":"48.50","price_state":"stated","total_value":26675.0,"total_display":"26,675.00","total_whole":"26,675","shares_owned_after":9136.0,"shares_owned_after_display":"9,136","ownership_form":"D","is_10b5_1":null,"transaction_date":"2016-02-22","filed_date":"2016-02-24","scope":"insider"},{"id":8366873,"accession":"0001179110-15-011978","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001179110-15-011978","line_url":"/filing/0001179110-15-011978#line-1","is_derivative":false,"issuer_cik":"0000830524","issuer_name":"CHASE CORP","issuer_ticker":"CCF","issuer_name_source":null,"issuer_url":"/issuer/0000830524","owner_cik":"0001254849","owner_name":"GACK LEWIS P","owner_display_name":"GACK LEWIS P","owner_url":"/insider/0001254849","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Chase Corporation Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":200.0,"shares_display":"200","price_per_share":39.33,"price_display":"39.33","price_state":"stated","total_value":7866.0,"total_display":"7,866.00","total_whole":"7,866","shares_owned_after":9179.0,"shares_owned_after_display":"9,179","ownership_form":"D","is_10b5_1":null,"transaction_date":"2015-08-11","filed_date":"2015-08-11","scope":"insider"},{"id":8357159,"accession":"0001104659-15-054197","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001104659-15-054197","line_url":"/filing/0001104659-15-054197#line-1","is_derivative":false,"issuer_cik":"0000830524","issuer_name":"CHASE CORP","issuer_ticker":"CCF","issuer_name_source":null,"issuer_url":"/issuer/0000830524","owner_cik":"0001254849","owner_name":"GACK LEWIS P","owner_display_name":"GACK LEWIS P","owner_url":"/insider/0001254849","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Chase Corporation","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":500.0,"shares_display":"500","price_per_share":37.61,"price_display":"37.61","price_state":"stated","total_value":18805.0,"total_display":"18,805.00","total_whole":"18,805","shares_owned_after":9379.0,"shares_owned_after_display":"9,379","ownership_form":"D","is_10b5_1":null,"transaction_date":"2015-07-27","filed_date":"2015-07-29","scope":"insider"},{"id":8151979,"accession":"0001179110-15-006325","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001179110-15-006325","line_url":"/filing/0001179110-15-006325#line-1","is_derivative":false,"issuer_cik":"0000830524","issuer_name":"CHASE CORP","issuer_ticker":"CCF","issuer_name_source":null,"issuer_url":"/issuer/0000830524","owner_cik":"0001254849","owner_name":"GACK LEWIS P","owner_display_name":"GACK LEWIS P","owner_url":"/insider/0001254849","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Chase Corporation Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":200.0,"shares_display":"200","price_per_share":43.01,"price_display":"43.01","price_state":"stated","total_value":8602.0,"total_display":"8,602.00","total_whole":"8,602","shares_owned_after":9954.0,"shares_owned_after_display":"9,954","ownership_form":"D","is_10b5_1":null,"transaction_date":"2015-04-15","filed_date":"2015-04-15","scope":"insider"},{"id":8714706,"accession":"0001179110-15-003305","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001179110-15-003305","line_url":"/filing/0001179110-15-003305#line-1","is_derivative":false,"issuer_cik":"0000830524","issuer_name":"CHASE CORP","issuer_ticker":"CCF","issuer_name_source":null,"issuer_url":"/issuer/0000830524","owner_cik":"0001254849","owner_name":"GACK LEWIS P","owner_display_name":"GACK LEWIS P","owner_url":"/insider/0001254849","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Chase Corporation Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":200.0,"shares_display":"200","price_per_share":42.74,"price_display":"42.74","price_state":"stated","total_value":8548.0,"total_display":"8,548.00","total_whole":"8,548","shares_owned_after":10154.0,"shares_owned_after_display":"10,154","ownership_form":"D","is_10b5_1":null,"transaction_date":"2015-02-24","filed_date":"2015-02-24","scope":"insider"},{"id":6252950,"accession":"0001179110-14-017049","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001179110-14-017049","line_url":"/filing/0001179110-14-017049#line-1","is_derivative":false,"issuer_cik":"0000830524","issuer_name":"CHASE CORP","issuer_ticker":"CCF","issuer_name_source":null,"issuer_url":"/issuer/0000830524","owner_cik":"0001254849","owner_name":"GACK LEWIS P","owner_display_name":"GACK LEWIS P","owner_url":"/insider/0001254849","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Chase Corporation Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":200.0,"shares_display":"200","price_per_share":35.59,"price_display":"35.59","price_state":"stated","total_value":7118.0,"total_display":"7,118.00","total_whole":"7,118","shares_owned_after":9415.0,"shares_owned_after_display":"9,415","ownership_form":"D","is_10b5_1":null,"transaction_date":"2014-11-24","filed_date":"2014-11-25","scope":"insider"},{"id":6807056,"accession":"0001179110-14-001176","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001179110-14-001176","line_url":"/filing/0001179110-14-001176#line-1","is_derivative":false,"issuer_cik":"0000830524","issuer_name":"CHASE CORP","issuer_ticker":"CCF","issuer_name_source":null,"issuer_url":"/issuer/0000830524","owner_cik":"0001254849","owner_name":"GACK LEWIS P","owner_display_name":"GACK LEWIS P","owner_url":"/insider/0001254849","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Chase Corporation Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":170.0,"shares_display":"170","price_per_share":36.48,"price_display":"36.48","price_state":"stated","total_value":6201.6,"total_display":"6,201.60","total_whole":"6,202","shares_owned_after":9103.0,"shares_owned_after_display":"9,103","ownership_form":"D","is_10b5_1":null,"transaction_date":"2014-01-21","filed_date":"2014-01-21","scope":"insider"},{"id":5250358,"accession":"0001179110-13-016594","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001179110-13-016594","line_url":"/filing/0001179110-13-016594#line-1","is_derivative":false,"issuer_cik":"0000830524","issuer_name":"CHASE CORP","issuer_ticker":"CCF","issuer_name_source":null,"issuer_url":"/issuer/0000830524","owner_cik":"0001254849","owner_name":"GACK LEWIS P","owner_display_name":"GACK LEWIS P","owner_url":"/insider/0001254849","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Chase Corporation Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":500.0,"shares_display":"500","price_per_share":31.21,"price_display":"31.21","price_state":"stated","total_value":15605.0,"total_display":"15,605.00","total_whole":"15,605","shares_owned_after":9273.0,"shares_owned_after_display":"9,273","ownership_form":"D","is_10b5_1":null,"transaction_date":"2013-11-15","filed_date":"2013-11-15","scope":"insider"},{"id":4228358,"accession":"0001179110-13-012024","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001179110-13-012024","line_url":"/filing/0001179110-13-012024#line-1","is_derivative":false,"issuer_cik":"0000830524","issuer_name":"CHASE CORP","issuer_ticker":"CCF","issuer_name_source":null,"issuer_url":"/issuer/0000830524","owner_cik":"0001254849","owner_name":"GACK LEWIS P","owner_display_name":"GACK LEWIS P","owner_url":"/insider/0001254849","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Chase Corporation Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1000.0,"shares_display":"1,000","price_per_share":28.642,"price_display":"28.64","price_state":"stated","total_value":28642.0,"total_display":"28,642.00","total_whole":"28,642","shares_owned_after":9773.0,"shares_owned_after_display":"9,773","ownership_form":"D","is_10b5_1":null,"transaction_date":"2013-07-24","filed_date":"2013-07-24","scope":"insider"},{"id":4622626,"accession":"0001179110-13-006744","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001179110-13-006744","line_url":"/filing/0001179110-13-006744#line-1","is_derivative":false,"issuer_cik":"0000830524","issuer_name":"CHASE CORP","issuer_ticker":"CCF","issuer_name_source":null,"issuer_url":"/issuer/0000830524","owner_cik":"0001254849","owner_name":"GACK LEWIS P","owner_display_name":"GACK LEWIS P","owner_url":"/insider/0001254849","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Chase Corporation Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":4000.0,"shares_display":"4,000","price_per_share":18.96,"price_display":"18.96","price_state":"stated","total_value":75840.0,"total_display":"75,840.00","total_whole":"75,840","shares_owned_after":11698.0,"shares_owned_after_display":"11,698","ownership_form":"D","is_10b5_1":null,"transaction_date":"2013-04-11","filed_date":"2013-04-12","scope":"insider"},{"id":2678940,"accession":"0001179110-12-013375","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001179110-12-013375","line_url":"/filing/0001179110-12-013375#line-2","is_derivative":false,"issuer_cik":"0000830524","issuer_name":"CHASE CORP","issuer_ticker":"CCF","issuer_name_source":null,"issuer_url":"/issuer/0000830524","owner_cik":"0001254849","owner_name":"GACK LEWIS P","owner_display_name":"GACK LEWIS P","owner_url":"/insider/0001254849","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Chase Corporation Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1488.0,"shares_display":"1,488","price_per_share":16.0,"price_display":"16.00","price_state":"stated","total_value":23808.0,"total_display":"23,808.00","total_whole":"23,808","shares_owned_after":13879.0,"shares_owned_after_display":"13,879","ownership_form":"D","is_10b5_1":null,"transaction_date":"2012-08-20","filed_date":"2012-08-27","scope":"insider"},{"id":2678935,"accession":"0001179110-12-013375","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001179110-12-013375","line_url":"/filing/0001179110-12-013375#line-1","is_derivative":false,"issuer_cik":"0000830524","issuer_name":"CHASE CORP","issuer_ticker":"CCF","issuer_name_source":null,"issuer_url":"/issuer/0000830524","owner_cik":"0001254849","owner_name":"GACK LEWIS P","owner_display_name":"GACK LEWIS P","owner_url":"/insider/0001254849","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Chase Corporation Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":512.0,"shares_display":"512","price_per_share":16.0,"price_display":"16.00","price_state":"stated","total_value":8192.0,"total_display":"8,192.00","total_whole":"8,192","shares_owned_after":15367.0,"shares_owned_after_display":"15,367","ownership_form":"D","is_10b5_1":null,"transaction_date":"2012-08-17","filed_date":"2012-08-27","scope":"insider"},{"id":9176827,"accession":"0001179110-11-007502","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001179110-11-007502","line_url":"/filing/0001179110-11-007502#line-2","is_derivative":false,"issuer_cik":"0000830524","issuer_name":"CHASE CORP","issuer_ticker":"CCF","issuer_name_source":null,"issuer_url":"/issuer/0000830524","owner_cik":"0001254849","owner_name":"GACK LEWIS P","owner_display_name":"GACK LEWIS P","owner_url":"/insider/0001254849","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Chase Corporation Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":2000.0,"shares_display":"2,000","price_per_share":16.33,"price_display":"16.33","price_state":"stated","total_value":32660.0,"total_display":"32,660.00","total_whole":"32,660","shares_owned_after":14850.0,"shares_owned_after_display":"14,850","ownership_form":"D","is_10b5_1":null,"transaction_date":"2011-05-06","filed_date":"2011-05-06","scope":"insider"},{"id":9077872,"accession":"0001179110-11-006555","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001179110-11-006555","line_url":"/filing/0001179110-11-006555#line-1","is_derivative":false,"issuer_cik":"0000830524","issuer_name":"CHASE CORP","issuer_ticker":"CCF","issuer_name_source":null,"issuer_url":"/issuer/0000830524","owner_cik":"0001254849","owner_name":"GACK LEWIS P","owner_display_name":"GACK LEWIS P","owner_url":"/insider/0001254849","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Chase Corporation Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":1500.0,"shares_display":"1,500","price_per_share":16.0,"price_display":"16.00","price_state":"stated","total_value":24000.0,"total_display":"24,000.00","total_whole":"24,000","shares_owned_after":17450.0,"shares_owned_after_display":"17,450","ownership_form":"D","is_10b5_1":null,"transaction_date":"2011-04-14","filed_date":"2011-04-18","scope":"insider"},{"id":9157837,"accession":"0001179110-11-002125","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001179110-11-002125","line_url":"/filing/0001179110-11-002125#line-1","is_derivative":false,"issuer_cik":"0000830524","issuer_name":"CHASE CORP","issuer_ticker":"CCF","issuer_name_source":null,"issuer_url":"/issuer/0000830524","owner_cik":"0001254849","owner_name":"GACK LEWIS P","owner_display_name":"GACK LEWIS P","owner_url":"/insider/0001254849","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Chase Corporation Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":2500.0,"shares_display":"2,500","price_per_share":16.0,"price_display":"16.00","price_state":"stated","total_value":40000.0,"total_display":"40,000.00","total_whole":"40,000","shares_owned_after":16263.0,"shares_owned_after_display":"16,263","ownership_form":"D","is_10b5_1":null,"transaction_date":"2011-02-07","filed_date":"2011-02-08","scope":"insider"},{"id":7301641,"accession":"0001179110-10-016588","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001179110-10-016588","line_url":"/filing/0001179110-10-016588#line-1","is_derivative":false,"issuer_cik":"0000830524","issuer_name":"CHASE CORP","issuer_ticker":"CCF","issuer_name_source":null,"issuer_url":"/issuer/0000830524","owner_cik":"0001254849","owner_name":"GACK LEWIS P","owner_display_name":"GACK LEWIS P","owner_url":"/insider/0001254849","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Chase Corporation Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1000.0,"shares_display":"1,000","price_per_share":15.78,"price_display":"15.78","price_state":"stated","total_value":15780.0,"total_display":"15,780.00","total_whole":"15,780","shares_owned_after":16544.0,"shares_owned_after_display":"16,544","ownership_form":"D","is_10b5_1":null,"transaction_date":"2010-11-22","filed_date":"2010-11-24","scope":"insider"},{"id":7638647,"accession":"0001179110-10-012058","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001179110-10-012058","line_url":"/filing/0001179110-10-012058#line-1","is_derivative":false,"issuer_cik":"0000830524","issuer_name":"CHASE CORP","issuer_ticker":"CCF","issuer_name_source":null,"issuer_url":"/issuer/0000830524","owner_cik":"0001254849","owner_name":"GACK LEWIS P","owner_display_name":"GACK LEWIS P","owner_url":"/insider/0001254849","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Chase Corporation Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1100.0,"shares_display":"1,100","price_per_share":13.25,"price_display":"13.25","price_state":"stated","total_value":14575.0,"total_display":"14,575.00","total_whole":"14,575","shares_owned_after":15044.0,"shares_owned_after_display":"15,044","ownership_form":"D","is_10b5_1":null,"transaction_date":"2010-07-28","filed_date":"2010-08-02","scope":"insider"},{"id":7157292,"accession":"0001179110-10-006858","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001179110-10-006858","line_url":"/filing/0001179110-10-006858#line-1","is_derivative":false,"issuer_cik":"0000830524","issuer_name":"CHASE CORP","issuer_ticker":"CCF","issuer_name_source":null,"issuer_url":"/issuer/0000830524","owner_cik":"0001254849","owner_name":"GACK LEWIS P","owner_display_name":"GACK LEWIS P","owner_url":"/insider/0001254849","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Chase Corporation Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":1000.0,"shares_display":"1,000","price_per_share":0.0,"price_display":null,"price_state":"not-stated","total_value":0.0,"total_display":null,"total_whole":null,"shares_owned_after":16144.0,"shares_owned_after_display":"16,144","ownership_form":"D","is_10b5_1":null,"transaction_date":"2010-04-12","filed_date":"2010-04-13","scope":"insider"},{"id":5658266,"accession":"0001179110-09-011068","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001179110-09-011068","line_url":"/filing/0001179110-09-011068#line-1","is_derivative":false,"issuer_cik":"0000830524","issuer_name":"CHASE CORP","issuer_ticker":"CCF","issuer_name_source":null,"issuer_url":"/issuer/0000830524","owner_cik":"0001254849","owner_name":"GACK LEWIS P","owner_display_name":"GACK LEWIS P","owner_url":"/insider/0001254849","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Chase Corporation Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1000.0,"shares_display":"1,000","price_per_share":11.37,"price_display":"11.37","price_state":"stated","total_value":11370.0,"total_display":"11,370.00","total_whole":"11,370","shares_owned_after":15925.0,"shares_owned_after_display":"15,925","ownership_form":"D","is_10b5_1":null,"transaction_date":"2009-07-22","filed_date":"2009-07-22","scope":"insider"},{"id":9091231,"accession":"0001179110-11-003846","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001179110-11-003846","line_url":"/filing/0001179110-11-003846#line-1","is_derivative":false,"issuer_cik":"0000830524","issuer_name":"CHASE CORP","issuer_ticker":"CCF","issuer_name_source":null,"issuer_url":"/issuer/0000830524","owner_cik":"0001254849","owner_name":"GACK LEWIS P","owner_display_name":"GACK LEWIS P","owner_url":"/insider/0001254849","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Chase Corporation Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":2000.0,"shares_display":"2,000","price_per_share":9.1,"price_display":"9.10","price_state":"stated","total_value":18200.0,"total_display":"18,200.00","total_whole":"18,200","shares_owned_after":14263.0,"shares_owned_after_display":"14,263","ownership_form":"D","is_10b5_1":null,"transaction_date":"2009-04-27","filed_date":"2011-03-02","scope":"insider"},{"id":3691797,"accession":"0001179110-08-019662","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001179110-08-019662","line_url":"/filing/0001179110-08-019662#line-1","is_derivative":false,"issuer_cik":"0000830524","issuer_name":"CHASE CORP","issuer_ticker":"CCF","issuer_name_source":null,"issuer_url":"/issuer/0000830524","owner_cik":"0001254849","owner_name":"GACK LEWIS P","owner_display_name":"GACK LEWIS P","owner_url":"/insider/0001254849","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Chase Corporation Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":2000.0,"shares_display":"2,000","price_per_share":14.18,"price_display":"14.18","price_state":"stated","total_value":28360.0,"total_display":"28,360.00","total_whole":"28,360","shares_owned_after":15707.0,"shares_owned_after_display":"15,707","ownership_form":"D","is_10b5_1":null,"transaction_date":"2008-11-17","filed_date":"2008-11-19","scope":"insider"},{"id":3870660,"accession":"0001179110-08-010194","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001179110-08-010194","line_url":"/filing/0001179110-08-010194#line-1","is_derivative":false,"issuer_cik":"0000830524","issuer_name":"CHASE CORP","issuer_ticker":"CCF","issuer_name_source":null,"issuer_url":"/issuer/0000830524","owner_cik":"0001254849","owner_name":"GACK LEWIS P","owner_display_name":"GACK LEWIS P","owner_url":"/insider/0001254849","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Chase Corporation Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1000.0,"shares_display":"1,000","price_per_share":18.31,"price_display":"18.31","price_state":"stated","total_value":18310.0,"total_display":"18,310.00","total_whole":"18,310","shares_owned_after":13707.0,"shares_owned_after_display":"13,707","ownership_form":"D","is_10b5_1":null,"transaction_date":"2008-05-20","filed_date":"2008-05-20","scope":"insider"},{"id":4153576,"accession":"0001179110-08-007742","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001179110-08-007742","line_url":"/filing/0001179110-08-007742#line-1","is_derivative":false,"issuer_cik":"0000830524","issuer_name":"CHASE CORP","issuer_ticker":"CCF","issuer_name_source":null,"issuer_url":"/issuer/0000830524","owner_cik":"0001254849","owner_name":"GACK LEWIS P","owner_display_name":"GACK LEWIS P","owner_url":"/insider/0001254849","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Chase Corporation Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1825.0,"shares_display":"1,825","price_per_share":21.88,"price_display":"21.88","price_state":"stated","total_value":39931.0,"total_display":"39,931.00","total_whole":"39,931","shares_owned_after":14707.0,"shares_owned_after_display":"14,707","ownership_form":"D","is_10b5_1":null,"transaction_date":"2008-04-11","filed_date":"2008-04-14","scope":"insider"},{"id":6809289,"accession":"0001179110-07-020507","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001179110-07-020507","line_url":"/filing/0001179110-07-020507#line-1","is_derivative":false,"issuer_cik":"0000830524","issuer_name":"CHASE CORP","issuer_ticker":"CCF","issuer_name_source":null,"issuer_url":"/issuer/0000830524","owner_cik":"0001254849","owner_name":"GACK LEWIS P","owner_display_name":"GACK LEWIS P","owner_url":"/insider/0001254849","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Chase Corporation Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":800.0,"shares_display":"800","price_per_share":19.7138,"price_display":"19.71","price_state":"stated","total_value":15771.04,"total_display":"15,771.04","total_whole":"15,771","shares_owned_after":12474.0,"shares_owned_after_display":"12,474","ownership_form":"D","is_10b5_1":null,"transaction_date":"2007-10-24","filed_date":"2007-10-30","scope":"insider"},{"id":8436522,"accession":"0001179110-07-001781","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001179110-07-001781","line_url":"/filing/0001179110-07-001781#line-1","is_derivative":false,"issuer_cik":"0000830524","issuer_name":"CHASE CORP","issuer_ticker":"CCF","issuer_name_source":null,"issuer_url":"/issuer/0000830524","owner_cik":"0001254849","owner_name":"GACK LEWIS P","owner_display_name":"GACK LEWIS P","owner_url":"/insider/0001254849","role":"Director","role_mark":"D","role_mark_label":"Director","role_mark_generic":"Director","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":null,"security_title":"Chase Corporation Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":300.0,"shares_display":"300","price_per_share":31.25,"price_display":"31.25","price_state":"stated","total_value":9375.0,"total_display":"9,375.00","total_whole":"9,375","shares_owned_after":5611.0,"shares_owned_after_display":"5,611","ownership_form":"D","is_10b5_1":null,"transaction_date":"2007-01-23","filed_date":"2007-01-23","scope":"insider"}],"collapsed":true,"next_cursor":null,"ledger_fault":false,"count":{"value":46,"kind":"exact"},"open_market_only":false,"composition":{"kind":"exact","rows":[{"code":"P","label":"Open-market purchase","n":1,"open_market":true},{"code":"S","label":"Open-market sale","n":45,"open_market":true},{"code":"M","label":"Option exercise","n":0,"open_market":false},{"code":"A","label":"Grant or award","n":0,"open_market":false},{"code":"F","label":"Tax withholding","n":0,"open_market":false},{"code":"D","label":"Disposition to the issuer","n":0,"open_market":false},{"code":"X","label":"In-the-money option exercise","n":0,"open_market":false}],"total":46},"affiliations":[{"type":"issuer","type_label":"ISSUER","cik":"0000830524","name":"CHASE CORP","url":"/issuer/0000830524","role":"Director","n_filings":43,"first_seen":"2007-01-23","last_seen":"2021-01-22"}],"order_statement":"Newest transaction date first, id breaking the tie.","canonical_url":"https://ebomi.com/insider/0001254849","retrieved_at":"2026-08-23T06:31:22+00:00","coverage":{"filings":1506293,"transactions":4290787,"issuers":28597,"insiders":152303,"first_filed_date":"2003-06-30","last_filed_date":"2026-08-21","last_ingest":"2026-08-22T05:23:40.159918+00:00","counts_are":{"filings":"estimate","transactions":"estimate","issuers":"estimate","insiders":"estimate"},"source":"SEC EDGAR Form 4 filings, parsed by ebomi","fault":false},"license":{"underlying_records":"US SEC filings are public records of the United States government and are not subject to copyright. The transactional facts in them are not ours to license.","this_presentation":"The parsing, normalisation, curation, and presentation are ebomi's own work.","grant":"undecided","grant_note":"The open licence for ebomi's own layer is an open owner decision (SPEC-20260731T1159Z open question 3: CC BY 4.0 or CC0 with a citation request). Until it is taken, no grant is asserted here.","citation_request":"Balogh, A. Insider trading. Scientific Data 10, 237 (2023)","url":"https://ebomi.com/license"},"fair_use":{"policy":"These JSON endpoints are open and unauthenticated. Please read them at a human pace, identify your client in the User-Agent header, and use the published dataset for bulk work rather than crawling page by page.","bulk_alternative":"doi:10.1038/s41597-023-02147-6"}}