{"entity":{"type":"insider","cik":"0001295692","url":"/insider/0001295692","json_url":"/insider/0001295692.json","name":"Zaebst Mark L","name_source":"as-filed","also_issuer":false,"cross_url":null},"coverage_statement":{"n_transactions":116,"n_filings":18,"first":"2005-03-14","last":"2012-03-14","span_basis":"filed_date"},"name_variants":[{"name":"Zaebst Mark L","source":"filing","n_filings":18,"first_seen":"2005-03-14","last_seen":"2012-03-14"}],"transactions":[{"id":3356415,"accession":"0001209191-12-018369","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-12-018369","line_url":"/filing/0001209191-12-018369#line-1","is_derivative":false,"issuer_cik":"0001076195","issuer_name":"LIFE TIME FITNESS, INC.","issuer_ticker":"LTM","issuer_name_source":null,"issuer_url":"/issuer/0001076195","owner_cik":"0001295692","owner_name":"Zaebst Mark L","owner_display_name":"Zaebst Mark L","owner_url":"/insider/0001295692","role":"Officer (Executive Vice President)","role_mark":"O","role_mark_label":"Officer (Executive Vice President)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Executive Vice President","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":32921.0,"shares_display":"32,921","price_per_share":48.8366,"price_display":"48.84","price_state":"stated","total_value":1607749.7086,"total_display":"1,607,749.71","total_whole":"1,607,750","shares_owned_after":80734.5,"shares_owned_after_display":"80,734.50","ownership_form":"D","is_10b5_1":null,"transaction_date":"2012-03-12","filed_date":"2012-03-14","scope":"insider"},{"id":3129562,"accession":"0001209191-12-015862","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-12-015862","line_url":"/filing/0001209191-12-015862#line-1","is_derivative":false,"issuer_cik":"0001076195","issuer_name":"LIFE TIME FITNESS, INC.","issuer_ticker":"LTM","issuer_name_source":null,"issuer_url":"/issuer/0001076195","owner_cik":"0001295692","owner_name":"Zaebst Mark L","owner_display_name":"Zaebst Mark L","owner_url":"/insider/0001295692","role":"Officer (Executive Vice President)","role_mark":"O","role_mark_label":"Officer (Executive Vice President)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Executive Vice President","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":26983.0,"shares_display":"26,983","price_per_share":49.585,"price_display":"49.58","price_state":"stated","total_value":1337952.055,"total_display":"1,337,952.06","total_whole":"1,337,952","shares_owned_after":113655.5,"shares_owned_after_display":"113,655.50","ownership_form":"D","is_10b5_1":null,"transaction_date":"2012-03-01","filed_date":"2012-03-05","scope":"insider"},{"id":8950124,"accession":"0001209191-11-059813","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-11-059813","line_url":"/filing/0001209191-11-059813#line-1","is_derivative":false,"issuer_cik":"0001076195","issuer_name":"LIFE TIME FITNESS, INC.","issuer_ticker":"LTM","issuer_name_source":null,"issuer_url":"/issuer/0001076195","owner_cik":"0001295692","owner_name":"Zaebst Mark L","owner_display_name":"Zaebst Mark L","owner_url":"/insider/0001295692","role":"Officer (Executive Vice President)","role_mark":"O","role_mark_label":"Officer (Executive Vice President)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Executive Vice President","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":7000.0,"shares_display":"7,000","price_per_share":41.0758,"price_display":"41.08","price_state":"stated","total_value":287530.6,"total_display":"287,530.60","total_whole":"287,531","shares_owned_after":120638.5,"shares_owned_after_display":"120,638.50","ownership_form":"D","is_10b5_1":null,"transaction_date":"2011-12-02","filed_date":"2011-12-06","scope":"insider"},{"id":9115160,"accession":"0001209191-11-058022","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-11-058022","line_url":"/filing/0001209191-11-058022#line-1","is_derivative":false,"issuer_cik":"0001076195","issuer_name":"LIFE TIME FITNESS, INC.","issuer_ticker":"LTM","issuer_name_source":null,"issuer_url":"/issuer/0001076195","owner_cik":"0001295692","owner_name":"Zaebst Mark L","owner_display_name":"Zaebst Mark L","owner_url":"/insider/0001295692","role":"Officer (Executive Vice President)","role_mark":"O","role_mark_label":"Officer (Executive Vice President)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Executive Vice President","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":3000.0,"shares_display":"3,000","price_per_share":39.6611,"price_display":"39.66","price_state":"stated","total_value":118983.3,"total_display":"118,983.30","total_whole":"118,983","shares_owned_after":127638.5,"shares_owned_after_display":"127,638.50","ownership_form":"D","is_10b5_1":null,"transaction_date":"2011-11-22","filed_date":"2011-11-23","scope":"insider"},{"id":9114646,"accession":"0001209191-11-041695","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-11-041695","line_url":"/filing/0001209191-11-041695#line-1","is_derivative":false,"issuer_cik":"0001076195","issuer_name":"LIFE TIME FITNESS, INC.","issuer_ticker":"LTM","issuer_name_source":null,"issuer_url":"/issuer/0001076195","owner_cik":"0001295692","owner_name":"Zaebst Mark L","owner_display_name":"Zaebst Mark L","owner_url":"/insider/0001295692","role":"Officer (Executive Vice President)","role_mark":"O","role_mark_label":"Officer (Executive Vice President)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Executive Vice President","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":10000.0,"shares_display":"10,000","price_per_share":42.0851,"price_display":"42.09","price_state":"stated","total_value":420851.0,"total_display":"420,851.00","total_whole":"420,851","shares_owned_after":130638.5,"shares_owned_after_display":"130,638.50","ownership_form":"D","is_10b5_1":null,"transaction_date":"2011-07-28","filed_date":"2011-08-01","scope":"insider"},{"id":8967421,"accession":"0001209191-11-015229","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-11-015229","line_url":"/filing/0001209191-11-015229#line-1","is_derivative":false,"issuer_cik":"0001076195","issuer_name":"LIFE TIME FITNESS INC","issuer_ticker":"LTM","issuer_name_source":null,"issuer_url":"/issuer/0001076195","owner_cik":"0001295692","owner_name":"Zaebst Mark L","owner_display_name":"Zaebst Mark L","owner_url":"/insider/0001295692","role":"Officer (Executive Vice President)","role_mark":"O","role_mark_label":"Officer (Executive Vice President)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Executive Vice President","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":6820.0,"shares_display":"6,820","price_per_share":36.52,"price_display":"36.52","price_state":"stated","total_value":249066.4,"total_display":"249,066.40","total_whole":"249,066","shares_owned_after":140638.5,"shares_owned_after_display":"140,638.50","ownership_form":"D","is_10b5_1":null,"transaction_date":"2011-03-02","filed_date":"2011-03-03","scope":"insider"},{"id":7671224,"accession":"0001209191-10-044485","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-10-044485","line_url":"/filing/0001209191-10-044485#line-1","is_derivative":false,"issuer_cik":"0001076195","issuer_name":"LIFE TIME FITNESS INC","issuer_ticker":"LTM","issuer_name_source":null,"issuer_url":"/issuer/0001076195","owner_cik":"0001295692","owner_name":"Zaebst Mark L","owner_display_name":"Zaebst Mark L","owner_url":"/insider/0001295692","role":"Officer (Executive Vice President)","role_mark":"O","role_mark_label":"Officer (Executive Vice President)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Executive Vice President","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":5500.0,"shares_display":"5,500","price_per_share":34.4302,"price_display":"34.43","price_state":"stated","total_value":189366.1,"total_display":"189,366.10","total_whole":"189,366","shares_owned_after":165714.0,"shares_owned_after_display":"165,714","ownership_form":"D","is_10b5_1":null,"transaction_date":"2010-08-30","filed_date":"2010-08-30","scope":"insider"},{"id":7270356,"accession":"0001209191-10-017088","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001209191-10-017088","line_url":"/filing/0001209191-10-017088#line-1","is_derivative":false,"issuer_cik":"0001076195","issuer_name":"LIFE TIME FITNESS INC","issuer_ticker":"LTM","issuer_name_source":null,"issuer_url":"/issuer/0001076195","owner_cik":"0001295692","owner_name":"Zaebst Mark L","owner_display_name":"Zaebst Mark L","owner_url":"/insider/0001295692","role":"Officer (Executive Vice President)","role_mark":"O","role_mark_label":"Officer (Executive Vice President)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Executive Vice President","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":5800.0,"shares_display":"5,800","price_per_share":28.7774,"price_display":"28.78","price_state":"stated","total_value":166908.92,"total_display":"166,908.92","total_whole":"166,909","shares_owned_after":151214.0,"shares_owned_after_display":"151,214","ownership_form":"D","is_10b5_1":null,"transaction_date":"2010-03-11","filed_date":"2010-03-15","scope":"insider"},{"id":4104890,"accession":"0001209191-06-057891","txn_seq":19,"anchor":"line-19","filing_url":"/filing/0001209191-06-057891","line_url":"/filing/0001209191-06-057891","is_derivative":false,"issuer_cik":"0001076195","issuer_name":"LIFE TIME FITNESS INC","issuer_ticker":"LTM","issuer_name_source":null,"issuer_url":"/issuer/0001076195","owner_cik":"0001295692","owner_name":"Zaebst Mark L","owner_display_name":"Zaebst Mark L","owner_url":"/insider/0001295692","role":"Officer (Executive Vice President)","role_mark":"O","role_mark_label":"Officer (Executive Vice President)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Executive Vice President","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":31125.0,"shares_display":"31,125","price_per_share":50.13910040160643,"price_display":"50.14","price_state":"stated","total_value":1560579.5,"total_display":"1,560,579.50","total_whole":"1,560,580","shares_owned_after":31700.0,"shares_owned_after_display":"31,700","ownership_form":"D","is_10b5_1":null,"transaction_date":"2006-11-03","filed_date":"2006-11-06","scope":"insider","n_lines":17},{"id":4510706,"accession":"0001209191-06-027844","txn_seq":14,"anchor":"line-14","filing_url":"/filing/0001209191-06-027844","line_url":"/filing/0001209191-06-027844","is_derivative":false,"issuer_cik":"0001076195","issuer_name":"LIFE TIME FITNESS INC","issuer_ticker":"LTM","issuer_name_source":null,"issuer_url":"/issuer/0001076195","owner_cik":"0001295692","owner_name":"Zaebst Mark L","owner_display_name":"Zaebst Mark L","owner_url":"/insider/0001295692","role":"Officer (Executive Vice President)","role_mark":"O","role_mark_label":"Officer (Executive Vice President)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Executive Vice President","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":9000.0,"shares_display":"9,000","price_per_share":47.41888888888889,"price_display":"47.42","price_state":"stated","total_value":426770.0,"total_display":"426,770.00","total_whole":"426,770","shares_owned_after":12300.0,"shares_owned_after_display":"12,300","ownership_form":"D","is_10b5_1":null,"transaction_date":"2006-05-03","filed_date":"2006-05-04","scope":"insider","n_lines":13},{"id":3654762,"accession":"0001209191-06-027843","txn_seq":17,"anchor":"line-17","filing_url":"/filing/0001209191-06-027843","line_url":"/filing/0001209191-06-027843#line-17","is_derivative":false,"issuer_cik":"0001076195","issuer_name":"LIFE TIME FITNESS INC","issuer_ticker":"LTM","issuer_name_source":null,"issuer_url":"/issuer/0001076195","owner_cik":"0001295692","owner_name":"Zaebst Mark L","owner_display_name":"Zaebst Mark L","owner_url":"/insider/0001295692","role":"Officer (Executive Vice President)","role_mark":"O","role_mark_label":"Officer (Executive Vice President)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Executive Vice President","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":6600.0,"shares_display":"6,600","price_per_share":47.17,"price_display":"47.17","price_state":"stated","total_value":311322.0,"total_display":"311,322.00","total_whole":"311,322","shares_owned_after":11400.0,"shares_owned_after_display":"11,400","ownership_form":"D","is_10b5_1":null,"transaction_date":"2006-05-02","filed_date":"2006-05-04","scope":"insider"},{"id":3654761,"accession":"0001209191-06-027843","txn_seq":16,"anchor":"line-16","filing_url":"/filing/0001209191-06-027843","line_url":"/filing/0001209191-06-027843#line-16","is_derivative":false,"issuer_cik":"0001076195","issuer_name":"LIFE TIME FITNESS INC","issuer_ticker":"LTM","issuer_name_source":null,"issuer_url":"/issuer/0001076195","owner_cik":"0001295692","owner_name":"Zaebst Mark L","owner_display_name":"Zaebst Mark L","owner_url":"/insider/0001295692","role":"Officer (Executive Vice President)","role_mark":"O","role_mark_label":"Officer (Executive Vice President)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Executive Vice President","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":3800.0,"shares_display":"3,800","price_per_share":47.0,"price_display":"47.00","price_state":"stated","total_value":178600.0,"total_display":"178,600.00","total_whole":"178,600","shares_owned_after":21400.0,"shares_owned_after_display":"21,400","ownership_form":"D","is_10b5_1":null,"transaction_date":"2006-05-02","filed_date":"2006-05-04","scope":"insider"},{"id":3654760,"accession":"0001209191-06-027843","txn_seq":15,"anchor":"line-15","filing_url":"/filing/0001209191-06-027843","line_url":"/filing/0001209191-06-027843#line-15","is_derivative":false,"issuer_cik":"0001076195","issuer_name":"LIFE TIME FITNESS INC","issuer_ticker":"LTM","issuer_name_source":null,"issuer_url":"/issuer/0001076195","owner_cik":"0001295692","owner_name":"Zaebst Mark L","owner_display_name":"Zaebst Mark L","owner_url":"/insider/0001295692","role":"Officer (Executive Vice President)","role_mark":"O","role_mark_label":"Officer (Executive Vice President)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Executive Vice President","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":2200.0,"shares_display":"2,200","price_per_share":46.95,"price_display":"46.95","price_state":"stated","total_value":103290.0,"total_display":"103,290.00","total_whole":"103,290","shares_owned_after":25800.0,"shares_owned_after_display":"25,800","ownership_form":"D","is_10b5_1":null,"transaction_date":"2006-05-02","filed_date":"2006-05-04","scope":"insider"},{"id":3654758,"accession":"0001209191-06-027843","txn_seq":14,"anchor":"line-14","filing_url":"/filing/0001209191-06-027843","line_url":"/filing/0001209191-06-027843#line-14","is_derivative":false,"issuer_cik":"0001076195","issuer_name":"LIFE TIME FITNESS INC","issuer_ticker":"LTM","issuer_name_source":null,"issuer_url":"/issuer/0001076195","owner_cik":"0001295692","owner_name":"Zaebst Mark L","owner_display_name":"Zaebst Mark L","owner_url":"/insider/0001295692","role":"Officer (Executive Vice President)","role_mark":"O","role_mark_label":"Officer (Executive Vice President)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Executive Vice President","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":2100.0,"shares_display":"2,100","price_per_share":47.2,"price_display":"47.20","price_state":"stated","total_value":99120.0,"total_display":"99,120.00","total_whole":"99,120","shares_owned_after":9300.0,"shares_owned_after_display":"9,300","ownership_form":"D","is_10b5_1":null,"transaction_date":"2006-05-02","filed_date":"2006-05-04","scope":"insider"},{"id":3654756,"accession":"0001209191-06-027843","txn_seq":13,"anchor":"line-13","filing_url":"/filing/0001209191-06-027843","line_url":"/filing/0001209191-06-027843#line-13","is_derivative":false,"issuer_cik":"0001076195","issuer_name":"LIFE TIME FITNESS INC","issuer_ticker":"LTM","issuer_name_source":null,"issuer_url":"/issuer/0001076195","owner_cik":"0001295692","owner_name":"Zaebst Mark L","owner_display_name":"Zaebst Mark L","owner_url":"/insider/0001295692","role":"Officer (Executive Vice President)","role_mark":"O","role_mark_label":"Officer (Executive Vice President)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Executive Vice President","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1700.0,"shares_display":"1,700","price_per_share":47.24,"price_display":"47.24","price_state":"stated","total_value":80308.0,"total_display":"80,308.00","total_whole":"80,308","shares_owned_after":7600.0,"shares_owned_after_display":"7,600","ownership_form":"D","is_10b5_1":null,"transaction_date":"2006-05-02","filed_date":"2006-05-04","scope":"insider"},{"id":3654754,"accession":"0001209191-06-027843","txn_seq":12,"anchor":"line-12","filing_url":"/filing/0001209191-06-027843","line_url":"/filing/0001209191-06-027843#line-12","is_derivative":false,"issuer_cik":"0001076195","issuer_name":"LIFE TIME FITNESS INC","issuer_ticker":"LTM","issuer_name_source":null,"issuer_url":"/issuer/0001076195","owner_cik":"0001295692","owner_name":"Zaebst Mark L","owner_display_name":"Zaebst Mark L","owner_url":"/insider/0001295692","role":"Officer (Executive Vice President)","role_mark":"O","role_mark_label":"Officer (Executive Vice President)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Executive Vice President","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1300.0,"shares_display":"1,300","price_per_share":47.02,"price_display":"47.02","price_state":"stated","total_value":61126.0,"total_display":"61,126.00","total_whole":"61,126","shares_owned_after":19900.0,"shares_owned_after_display":"19,900","ownership_form":"D","is_10b5_1":null,"transaction_date":"2006-05-02","filed_date":"2006-05-04","scope":"insider"},{"id":3654752,"accession":"0001209191-06-027843","txn_seq":11,"anchor":"line-11","filing_url":"/filing/0001209191-06-027843","line_url":"/filing/0001209191-06-027843#line-11","is_derivative":false,"issuer_cik":"0001076195","issuer_name":"LIFE TIME FITNESS INC","issuer_ticker":"LTM","issuer_name_source":null,"issuer_url":"/issuer/0001076195","owner_cik":"0001295692","owner_name":"Zaebst Mark L","owner_display_name":"Zaebst Mark L","owner_url":"/insider/0001295692","role":"Officer (Executive Vice President)","role_mark":"O","role_mark_label":"Officer (Executive Vice President)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Executive Vice President","security_title":"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":47.27,"price_display":"47.27","price_state":"stated","total_value":47270.0,"total_display":"47,270.00","total_whole":"47,270","shares_owned_after":6600.0,"shares_owned_after_display":"6,600","ownership_form":"D","is_10b5_1":null,"transaction_date":"2006-05-02","filed_date":"2006-05-04","scope":"insider"},{"id":3654750,"accession":"0001209191-06-027843","txn_seq":10,"anchor":"line-10","filing_url":"/filing/0001209191-06-027843","line_url":"/filing/0001209191-06-027843#line-10","is_derivative":false,"issuer_cik":"0001076195","issuer_name":"LIFE TIME FITNESS INC","issuer_ticker":"LTM","issuer_name_source":null,"issuer_url":"/issuer/0001076195","owner_cik":"0001295692","owner_name":"Zaebst Mark L","owner_display_name":"Zaebst Mark L","owner_url":"/insider/0001295692","role":"Officer (Executive Vice President)","role_mark":"O","role_mark_label":"Officer (Executive Vice President)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Executive Vice President","security_title":"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":47.08,"price_display":"47.08","price_state":"stated","total_value":47080.0,"total_display":"47,080.00","total_whole":"47,080","shares_owned_after":18200.0,"shares_owned_after_display":"18,200","ownership_form":"D","is_10b5_1":null,"transaction_date":"2006-05-02","filed_date":"2006-05-04","scope":"insider"},{"id":3654748,"accession":"0001209191-06-027843","txn_seq":9,"anchor":"line-9","filing_url":"/filing/0001209191-06-027843","line_url":"/filing/0001209191-06-027843#line-9","is_derivative":false,"issuer_cik":"0001076195","issuer_name":"LIFE TIME FITNESS INC","issuer_ticker":"LTM","issuer_name_source":null,"issuer_url":"/issuer/0001076195","owner_cik":"0001295692","owner_name":"Zaebst Mark L","owner_display_name":"Zaebst Mark L","owner_url":"/insider/0001295692","role":"Officer (Executive Vice President)","role_mark":"O","role_mark_label":"Officer (Executive Vice President)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Executive Vice President","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":900.0,"shares_display":"900","price_per_share":47.3,"price_display":"47.30","price_state":"stated","total_value":42570.0,"total_display":"42,570.00","total_whole":"42,570","shares_owned_after":5400.0,"shares_owned_after_display":"5,400","ownership_form":"D","is_10b5_1":null,"transaction_date":"2006-05-02","filed_date":"2006-05-04","scope":"insider"},{"id":3654746,"accession":"0001209191-06-027843","txn_seq":8,"anchor":"line-8","filing_url":"/filing/0001209191-06-027843","line_url":"/filing/0001209191-06-027843#line-8","is_derivative":false,"issuer_cik":"0001076195","issuer_name":"LIFE TIME FITNESS INC","issuer_ticker":"LTM","issuer_name_source":null,"issuer_url":"/issuer/0001076195","owner_cik":"0001295692","owner_name":"Zaebst Mark L","owner_display_name":"Zaebst Mark L","owner_url":"/insider/0001295692","role":"Officer (Executive Vice President)","role_mark":"O","role_mark_label":"Officer (Executive Vice President)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Executive Vice President","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":700.0,"shares_display":"700","price_per_share":47.06,"price_display":"47.06","price_state":"stated","total_value":32942.0,"total_display":"32,942.00","total_whole":"32,942","shares_owned_after":19200.0,"shares_owned_after_display":"19,200","ownership_form":"D","is_10b5_1":null,"transaction_date":"2006-05-02","filed_date":"2006-05-04","scope":"insider"},{"id":3654744,"accession":"0001209191-06-027843","txn_seq":7,"anchor":"line-7","filing_url":"/filing/0001209191-06-027843","line_url":"/filing/0001209191-06-027843#line-7","is_derivative":false,"issuer_cik":"0001076195","issuer_name":"LIFE TIME FITNESS INC","issuer_ticker":"LTM","issuer_name_source":null,"issuer_url":"/issuer/0001076195","owner_cik":"0001295692","owner_name":"Zaebst Mark L","owner_display_name":"Zaebst Mark L","owner_url":"/insider/0001295692","role":"Officer (Executive Vice President)","role_mark":"O","role_mark_label":"Officer (Executive Vice President)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Executive Vice President","security_title":"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":46.97,"price_display":"46.97","price_state":"stated","total_value":23485.0,"total_display":"23,485.00","total_whole":"23,485","shares_owned_after":25200.0,"shares_owned_after_display":"25,200","ownership_form":"D","is_10b5_1":null,"transaction_date":"2006-05-02","filed_date":"2006-05-04","scope":"insider"},{"id":3654742,"accession":"0001209191-06-027843","txn_seq":6,"anchor":"line-6","filing_url":"/filing/0001209191-06-027843","line_url":"/filing/0001209191-06-027843#line-6","is_derivative":false,"issuer_cik":"0001076195","issuer_name":"LIFE TIME FITNESS INC","issuer_ticker":"LTM","issuer_name_source":null,"issuer_url":"/issuer/0001076195","owner_cik":"0001295692","owner_name":"Zaebst Mark L","owner_display_name":"Zaebst Mark L","owner_url":"/insider/0001295692","role":"Officer (Executive Vice President)","role_mark":"O","role_mark_label":"Officer (Executive Vice President)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Executive Vice President","security_title":"Common Stock","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":47.37,"price_display":"47.37","price_state":"stated","total_value":18948.0,"total_display":"18,948.00","total_whole":"18,948","shares_owned_after":5000.0,"shares_owned_after_display":"5,000","ownership_form":"D","is_10b5_1":null,"transaction_date":"2006-05-02","filed_date":"2006-05-04","scope":"insider"}],"collapsed":true,"next_cursor":"2006-05-02|3654742","ledger_fault":false,"count":{"value":116,"kind":"exact"},"open_market_only":false,"composition":{"kind":"exact","rows":[{"code":"P","label":"Open-market purchase","n":0,"open_market":true},{"code":"S","label":"Open-market sale","n":116,"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":116},"affiliations":[{"type":"issuer","type_label":"ISSUER","cik":"0001076195","name":"LIFE TIME FITNESS, INC.","url":"/issuer/0001076195","role":"Officer (Executive Vice President)","n_filings":18,"first_seen":"2005-03-14","last_seen":"2012-03-14"}],"order_statement":"Newest transaction date first, id breaking the tie.","canonical_url":"https://ebomi.com/insider/0001295692","retrieved_at":"2026-08-26T17:54:22+00:00","coverage":{"filings":1506293,"transactions":4290787,"issuers":28597,"insiders":152303,"first_filed_date":"2003-06-30","last_filed_date":"2026-08-25","last_ingest":"2026-08-26T05:24:25.741053+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"}}