{"entity":{"type":"insider","cik":"0001416383","url":"/insider/0001416383","json_url":"/insider/0001416383.json","name":"Junkroski Robert","name_source":"as-filed","also_issuer":false,"cross_url":null},"coverage_statement":{"n_transactions":59,"n_filings":23,"first":"2007-11-09","last":"2010-09-14","span_basis":"filed_date"},"name_variants":[{"name":"Junkroski Robert","source":"filing","n_filings":23,"first_seen":"2007-11-09","last_seen":"2010-09-14"}],"transactions":[{"id":7409524,"accession":"0001181431-10-046577","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001181431-10-046577","line_url":"/filing/0001181431-10-046577#line-1","is_derivative":false,"issuer_cik":"0001292653","issuer_name":"Neutral Tandem Inc","issuer_ticker":"TNDM","issuer_name_source":null,"issuer_url":"/issuer/0001292653","owner_cik":"0001416383","owner_name":"Junkroski Robert","owner_display_name":"Junkroski Robert","owner_url":"/insider/0001416383","role":"Officer (Chief Financial Officer & EVP)","role_mark":"O","role_mark_label":"Officer (Chief Financial Officer & EVP)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Financial Officer & EVP","security_title":"Common Stock, par value $0.001 per share","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":5000.0,"shares_display":"5,000","price_per_share":10.5,"price_display":"10.50","price_state":"stated","total_value":52500.0,"total_display":"52,500.00","total_whole":"52,500","shares_owned_after":144371.0,"shares_owned_after_display":"144,371","ownership_form":"D","is_10b5_1":null,"transaction_date":"2010-09-14","filed_date":"2010-09-14","scope":"insider"},{"id":7262627,"accession":"0001181431-10-005945","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001181431-10-005945","line_url":"/filing/0001181431-10-005945#line-2","is_derivative":false,"issuer_cik":"0001292653","issuer_name":"Neutral Tandem Inc","issuer_ticker":"TNDM","issuer_name_source":null,"issuer_url":"/issuer/0001292653","owner_cik":"0001416383","owner_name":"Junkroski Robert","owner_display_name":"Junkroski Robert","owner_url":"/insider/0001416383","role":"Officer (Chief Financial Officer & EVP)","role_mark":"O","role_mark_label":"Officer (Chief Financial Officer & EVP)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Financial Officer & EVP","security_title":"Common Stock, par value $0.001 per share","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":15.5,"price_display":"15.50","price_state":"stated","total_value":15500.0,"total_display":"15,500.00","total_whole":"15,500","shares_owned_after":142500.0,"shares_owned_after_display":"142,500","ownership_form":"D","is_10b5_1":null,"transaction_date":"2010-02-01","filed_date":"2010-02-02","scope":"insider"},{"id":7216878,"accession":"0001181431-10-001094","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001181431-10-001094","line_url":"/filing/0001181431-10-001094#line-2","is_derivative":false,"issuer_cik":"0001292653","issuer_name":"Neutral Tandem Inc","issuer_ticker":"TNDM","issuer_name_source":null,"issuer_url":"/issuer/0001292653","owner_cik":"0001416383","owner_name":"Junkroski Robert","owner_display_name":"Junkroski Robert","owner_url":"/insider/0001416383","role":"Officer (Chief Financial Officer & EVP)","role_mark":"O","role_mark_label":"Officer (Chief Financial Officer & EVP)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Financial Officer & EVP","security_title":"Common Stock, par value $0.001 per share","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":23.29,"price_display":"23.29","price_state":"stated","total_value":23290.0,"total_display":"23,290.00","total_whole":"23,290","shares_owned_after":142500.0,"shares_owned_after_display":"142,500","ownership_form":"D","is_10b5_1":null,"transaction_date":"2010-01-04","filed_date":"2010-01-05","scope":"insider"},{"id":5633348,"accession":"0001181431-09-054482","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001181431-09-054482","line_url":"/filing/0001181431-09-054482#line-2","is_derivative":false,"issuer_cik":"0001292653","issuer_name":"Neutral Tandem Inc","issuer_ticker":"TNDM","issuer_name_source":null,"issuer_url":"/issuer/0001292653","owner_cik":"0001416383","owner_name":"Junkroski Robert","owner_display_name":"Junkroski Robert","owner_url":"/insider/0001416383","role":"Officer (Chief Financial Officer & EVP)","role_mark":"O","role_mark_label":"Officer (Chief Financial Officer & EVP)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Financial Officer & EVP","security_title":"Common Stock, par value $0.001 per share","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":22.91,"price_display":"22.91","price_state":"stated","total_value":22910.0,"total_display":"22,910.00","total_whole":"22,910","shares_owned_after":142500.0,"shares_owned_after_display":"142,500","ownership_form":"D","is_10b5_1":null,"transaction_date":"2009-12-01","filed_date":"2009-12-02","scope":"insider"},{"id":5700696,"accession":"0001181431-09-049475","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001181431-09-049475","line_url":"/filing/0001181431-09-049475#line-2","is_derivative":false,"issuer_cik":"0001292653","issuer_name":"Neutral Tandem Inc","issuer_ticker":"TNDM","issuer_name_source":null,"issuer_url":"/issuer/0001292653","owner_cik":"0001416383","owner_name":"Junkroski Robert","owner_display_name":"Junkroski Robert","owner_url":"/insider/0001416383","role":"Officer (Chief Financial Officer & EVP)","role_mark":"O","role_mark_label":"Officer (Chief Financial Officer & EVP)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Financial Officer & EVP","security_title":"Common Stock, par value $0.001 per share","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":21.16,"price_display":"21.16","price_state":"stated","total_value":21160.0,"total_display":"21,160.00","total_whole":"21,160","shares_owned_after":142500.0,"shares_owned_after_display":"142,500","ownership_form":"D","is_10b5_1":null,"transaction_date":"2009-11-02","filed_date":"2009-11-02","scope":"insider"},{"id":5835484,"accession":"0001181431-09-046358","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001181431-09-046358","line_url":"/filing/0001181431-09-046358#line-2","is_derivative":false,"issuer_cik":"0001292653","issuer_name":"Neutral Tandem Inc","issuer_ticker":"TNDM","issuer_name_source":null,"issuer_url":"/issuer/0001292653","owner_cik":"0001416383","owner_name":"Junkroski Robert","owner_display_name":"Junkroski Robert","owner_url":"/insider/0001416383","role":"Officer (Chief Financial Officer & EVP)","role_mark":"O","role_mark_label":"Officer (Chief Financial Officer & EVP)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Financial Officer & EVP","security_title":"Common Stock, par value $0.001 per share","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":22.72,"price_display":"22.72","price_state":"stated","total_value":22720.0,"total_display":"22,720.00","total_whole":"22,720","shares_owned_after":142500.0,"shares_owned_after_display":"142,500","ownership_form":"D","is_10b5_1":null,"transaction_date":"2009-10-01","filed_date":"2009-10-02","scope":"insider"},{"id":5595064,"accession":"0001181431-09-042363","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001181431-09-042363","line_url":"/filing/0001181431-09-042363#line-2","is_derivative":false,"issuer_cik":"0001292653","issuer_name":"Neutral Tandem Inc","issuer_ticker":"TNDM","issuer_name_source":null,"issuer_url":"/issuer/0001292653","owner_cik":"0001416383","owner_name":"Junkroski Robert","owner_display_name":"Junkroski Robert","owner_url":"/insider/0001416383","role":"Officer (Chief Financial Officer & EVP)","role_mark":"O","role_mark_label":"Officer (Chief Financial Officer & EVP)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Financial Officer & EVP","security_title":"Common Stock, par value $0.001 per share","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":25.97,"price_display":"25.97","price_state":"stated","total_value":25970.0,"total_display":"25,970.00","total_whole":"25,970","shares_owned_after":142500.0,"shares_owned_after_display":"142,500","ownership_form":"D","is_10b5_1":null,"transaction_date":"2009-09-01","filed_date":"2009-09-02","scope":"insider"},{"id":5718051,"accession":"0001181431-09-037684","txn_seq":4,"anchor":"line-4","filing_url":"/filing/0001181431-09-037684","line_url":"/filing/0001181431-09-037684","is_derivative":false,"issuer_cik":"0001292653","issuer_name":"Neutral Tandem Inc","issuer_ticker":"TNDM","issuer_name_source":null,"issuer_url":"/issuer/0001292653","owner_cik":"0001416383","owner_name":"Junkroski Robert","owner_display_name":"Junkroski Robert","owner_url":"/insider/0001416383","role":"Officer (Chief Financial Officer & EVP)","role_mark":"O","role_mark_label":"Officer (Chief Financial Officer & EVP)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Financial Officer & EVP","security_title":"Common Stock, par value $0.001 per share","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":32.9825,"price_display":"32.98","price_state":"stated","total_value":131930.0,"total_display":"131,930.00","total_whole":"131,930","shares_owned_after":100000.0,"shares_owned_after_display":"100,000","ownership_form":"D","is_10b5_1":null,"transaction_date":"2009-08-03","filed_date":"2009-08-04","scope":"insider","n_lines":2},{"id":9251162,"accession":"0001181431-09-034370","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001181431-09-034370","line_url":"/filing/0001181431-09-034370","is_derivative":false,"issuer_cik":"0001292653","issuer_name":"Neutral Tandem Inc","issuer_ticker":"TNDM","issuer_name_source":null,"issuer_url":"/issuer/0001292653","owner_cik":"0001416383","owner_name":"Junkroski Robert","owner_display_name":"Junkroski Robert","owner_url":"/insider/0001416383","role":"Officer (Chief Financial Officer & EVP)","role_mark":"O","role_mark_label":"Officer (Chief Financial Officer & EVP)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Financial Officer & EVP","security_title":"Common Stock, par value $0.001 per share","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":29.965,"price_display":"29.96","price_state":"stated","total_value":119860.0,"total_display":"119,860.00","total_whole":"119,860","shares_owned_after":100000.0,"shares_owned_after_display":"100,000","ownership_form":"D","is_10b5_1":null,"transaction_date":"2009-07-01","filed_date":"2009-07-06","scope":"insider","n_lines":2},{"id":5614201,"accession":"0001181431-09-033792","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001181431-09-033792","line_url":"/filing/0001181431-09-033792#line-1","is_derivative":false,"issuer_cik":"0001292653","issuer_name":"Neutral Tandem Inc","issuer_ticker":"TNDM","issuer_name_source":null,"issuer_url":"/issuer/0001292653","owner_cik":"0001416383","owner_name":"Junkroski Robert","owner_display_name":"Junkroski Robert","owner_url":"/insider/0001416383","role":"Officer (Chief Financial Officer & EVP)","role_mark":"O","role_mark_label":"Officer (Chief Financial Officer & EVP)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Financial Officer & EVP","security_title":"Common Stock, par value $0.001 per share","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":29.97,"price_display":"29.97","price_state":"stated","total_value":119880.0,"total_display":"119,880.00","total_whole":"119,880","shares_owned_after":96000.0,"shares_owned_after_display":"96,000","ownership_form":"D","is_10b5_1":null,"transaction_date":"2009-07-01","filed_date":"2009-07-02","scope":"insider"},{"id":5707189,"accession":"0001181431-09-029727","txn_seq":9,"anchor":"line-9","filing_url":"/filing/0001181431-09-029727","line_url":"/filing/0001181431-09-029727","is_derivative":false,"issuer_cik":"0001292653","issuer_name":"Neutral Tandem Inc","issuer_ticker":"TNDM","issuer_name_source":null,"issuer_url":"/issuer/0001292653","owner_cik":"0001416383","owner_name":"Junkroski Robert","owner_display_name":"Junkroski Robert","owner_url":"/insider/0001416383","role":"Officer (Chief Financial Officer & EVP)","role_mark":"O","role_mark_label":"Officer (Chief Financial Officer & EVP)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Financial Officer & EVP","security_title":"Common Stock, par value $0.001 per share","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":57853.0,"shares_display":"57,853","price_per_share":29.748865918794184,"price_display":"29.75","price_state":"stated","total_value":1721061.14,"total_display":"1,721,061.14","total_whole":"1,721,061","shares_owned_after":113853.0,"shares_owned_after_display":"113,853","ownership_form":"D","is_10b5_1":null,"transaction_date":"2009-06-08","filed_date":"2009-06-09","scope":"insider","n_lines":5},{"id":5920469,"accession":"0001181431-09-022465","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001181431-09-022465","line_url":"/filing/0001181431-09-022465#line-2","is_derivative":false,"issuer_cik":"0001292653","issuer_name":"Neutral Tandem Inc","issuer_ticker":"TNDM","issuer_name_source":null,"issuer_url":"/issuer/0001292653","owner_cik":"0001416383","owner_name":"Junkroski Robert","owner_display_name":"Junkroski Robert","owner_url":"/insider/0001416383","role":"Officer (Chief Financial Officer & EVP)","role_mark":"O","role_mark_label":"Officer (Chief Financial Officer & EVP)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Financial Officer & EVP","security_title":"Common Stock, par value $0.001 per share","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":100000.0,"shares_display":"100,000","price_per_share":28.5,"price_display":"28.50","price_state":"stated","total_value":2850000.0,"total_display":"2,850,000.00","total_whole":"2,850,000","shares_owned_after":113853.0,"shares_owned_after_display":"113,853","ownership_form":"D","is_10b5_1":null,"transaction_date":"2009-05-01","filed_date":"2009-05-04","scope":"insider"},{"id":3647698,"accession":"0001181431-08-055614","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001181431-08-055614","line_url":"/filing/0001181431-08-055614#line-1","is_derivative":false,"issuer_cik":"0001292653","issuer_name":"Neutral Tandem Inc","issuer_ticker":"TNDM","issuer_name_source":null,"issuer_url":"/issuer/0001292653","owner_cik":"0001416383","owner_name":"Junkroski Robert","owner_display_name":"Junkroski Robert","owner_url":"/insider/0001416383","role":"Officer (Chief Financial Officer & EVP)","role_mark":"O","role_mark_label":"Officer (Chief Financial Officer & EVP)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Financial Officer & EVP","security_title":"Common Stock, par value $0.001 per share","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":14100.0,"shares_display":"14,100","price_per_share":17.74,"price_display":"17.74","price_state":"stated","total_value":250134.0,"total_display":"250,134.00","total_whole":"250,134","shares_owned_after":183853.0,"shares_owned_after_display":"183,853","ownership_form":"D","is_10b5_1":null,"transaction_date":"2008-10-01","filed_date":"2008-10-02","scope":"insider"},{"id":2342895,"accession":"0001181431-08-051304","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001181431-08-051304","line_url":"/filing/0001181431-08-051304#line-1","is_derivative":false,"issuer_cik":"0001292653","issuer_name":"Neutral Tandem Inc","issuer_ticker":"TNDM","issuer_name_source":null,"issuer_url":"/issuer/0001292653","owner_cik":"0001416383","owner_name":"Junkroski Robert","owner_display_name":"Junkroski Robert","owner_url":"/insider/0001416383","role":"Officer (Chief Financial Officer & EVP)","role_mark":"O","role_mark_label":"Officer (Chief Financial Officer & EVP)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Financial Officer & EVP","security_title":"Common Stock, par value $0.001 per share","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":50000.0,"shares_display":"50,000","price_per_share":20.29,"price_display":"20.29","price_state":"stated","total_value":1014500.0,"total_display":"1,014,500.00","total_whole":"1,014,500","shares_owned_after":197953.0,"shares_owned_after_display":"197,953","ownership_form":"D","is_10b5_1":null,"transaction_date":"2008-09-02","filed_date":"2008-09-03","scope":"insider"},{"id":3602253,"accession":"0001181431-08-048389","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001181431-08-048389","line_url":"/filing/0001181431-08-048389#line-2","is_derivative":false,"issuer_cik":"0001292653","issuer_name":"Neutral Tandem Inc","issuer_ticker":"TNDM","issuer_name_source":null,"issuer_url":"/issuer/0001292653","owner_cik":"0001416383","owner_name":"Junkroski Robert","owner_display_name":"Junkroski Robert","owner_url":"/insider/0001416383","role":"Officer (Chief Financial Officer & EVP)","role_mark":"O","role_mark_label":"Officer (Chief Financial Officer & EVP)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Financial Officer & EVP","security_title":"Common Stock, par value $0.001 per share","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":6000.0,"shares_display":"6,000","price_per_share":20.0,"price_display":"20.00","price_state":"stated","total_value":120000.0,"total_display":"120,000.00","total_whole":"120,000","shares_owned_after":247953.0,"shares_owned_after_display":"247,953","ownership_form":"D","is_10b5_1":null,"transaction_date":"2008-08-14","filed_date":"2008-08-14","scope":"insider"},{"id":3602251,"accession":"0001181431-08-048389","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001181431-08-048389","line_url":"/filing/0001181431-08-048389#line-1","is_derivative":false,"issuer_cik":"0001292653","issuer_name":"Neutral Tandem Inc","issuer_ticker":"TNDM","issuer_name_source":null,"issuer_url":"/issuer/0001292653","owner_cik":"0001416383","owner_name":"Junkroski Robert","owner_display_name":"Junkroski Robert","owner_url":"/insider/0001416383","role":"Officer (Chief Financial Officer & EVP)","role_mark":"O","role_mark_label":"Officer (Chief Financial Officer & EVP)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Financial Officer & EVP","security_title":"Common Stock, par value $0.001 per share","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":24000.0,"shares_display":"24,000","price_per_share":20.0,"price_display":"20.00","price_state":"stated","total_value":480000.0,"total_display":"480,000.00","total_whole":"480,000","shares_owned_after":253953.0,"shares_owned_after_display":"253,953","ownership_form":"D","is_10b5_1":null,"transaction_date":"2008-08-13","filed_date":"2008-08-14","scope":"insider"},{"id":4014858,"accession":"0001181431-08-046827","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001181431-08-046827","line_url":"/filing/0001181431-08-046827#line-1","is_derivative":false,"issuer_cik":"0001292653","issuer_name":"Neutral Tandem Inc","issuer_ticker":"TNDM","issuer_name_source":null,"issuer_url":"/issuer/0001292653","owner_cik":"0001416383","owner_name":"Junkroski Robert","owner_display_name":"Junkroski Robert","owner_url":"/insider/0001416383","role":"Officer (Chief Financial Officer & EVP)","role_mark":"O","role_mark_label":"Officer (Chief Financial Officer & EVP)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Financial Officer & EVP","security_title":"Common Stock, par value $0.001 per share","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":18.08,"price_display":"18.08","price_state":"stated","total_value":180800.0,"total_display":"180,800.00","total_whole":"180,800","shares_owned_after":277953.0,"shares_owned_after_display":"277,953","ownership_form":"D","is_10b5_1":null,"transaction_date":"2008-08-05","filed_date":"2008-08-07","scope":"insider"},{"id":3367500,"accession":"0001181431-08-045901","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001181431-08-045901","line_url":"/filing/0001181431-08-045901#line-1","is_derivative":false,"issuer_cik":"0001292653","issuer_name":"Neutral Tandem Inc","issuer_ticker":"TNDM","issuer_name_source":null,"issuer_url":"/issuer/0001292653","owner_cik":"0001416383","owner_name":"Junkroski Robert","owner_display_name":"Junkroski Robert","owner_url":"/insider/0001416383","role":"Officer (Chief Financial Officer & EVP)","role_mark":"O","role_mark_label":"Officer (Chief Financial Officer & EVP)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Financial Officer & EVP","security_title":"Common Stock, par value $0.001 per share","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":30000.0,"shares_display":"30,000","price_per_share":17.16,"price_display":"17.16","price_state":"stated","total_value":514800.0,"total_display":"514,800.00","total_whole":"514,800","shares_owned_after":287953.0,"shares_owned_after_display":"287,953","ownership_form":"D","is_10b5_1":null,"transaction_date":"2008-08-01","filed_date":"2008-08-04","scope":"insider"},{"id":3576716,"accession":"0001181431-08-041789","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001181431-08-041789","line_url":"/filing/0001181431-08-041789#line-1","is_derivative":false,"issuer_cik":"0001292653","issuer_name":"Neutral Tandem Inc","issuer_ticker":"TNDM","issuer_name_source":null,"issuer_url":"/issuer/0001292653","owner_cik":"0001416383","owner_name":"Junkroski Robert","owner_display_name":"Junkroski Robert","owner_url":"/insider/0001416383","role":"Officer (Chief Financial Officer & EVP)","role_mark":"O","role_mark_label":"Officer (Chief Financial Officer & EVP)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Financial Officer & EVP","security_title":"Common Stock, par value $0.001 per share","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":40000.0,"shares_display":"40,000","price_per_share":17.99,"price_display":"17.99","price_state":"stated","total_value":719600.0,"total_display":"719,600.00","total_whole":"719,600","shares_owned_after":317953.0,"shares_owned_after_display":"317,953","ownership_form":"D","is_10b5_1":null,"transaction_date":"2008-07-01","filed_date":"2008-07-02","scope":"insider"},{"id":3699340,"accession":"0001181431-08-040916","txn_seq":25,"anchor":"line-25","filing_url":"/filing/0001181431-08-040916","line_url":"/filing/0001181431-08-040916#line-25","is_derivative":false,"issuer_cik":"0001292653","issuer_name":"Neutral Tandem Inc","issuer_ticker":"TNDM","issuer_name_source":null,"issuer_url":"/issuer/0001292653","owner_cik":"0001416383","owner_name":"Junkroski Robert","owner_display_name":"Junkroski Robert","owner_url":"/insider/0001416383","role":"Officer (Chief Financial Officer & EVP)","role_mark":"O","role_mark_label":"Officer (Chief Financial Officer & EVP)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Financial Officer & EVP","security_title":"Common Stock, par value $0.001 per share","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":18.0,"price_display":"18.00","price_state":"stated","total_value":180000.0,"total_display":"180,000.00","total_whole":"180,000","shares_owned_after":357953.0,"shares_owned_after_display":"357,953","ownership_form":"D","is_10b5_1":null,"transaction_date":"2008-06-27","filed_date":"2008-06-30","scope":"insider"},{"id":3699338,"accession":"0001181431-08-040916","txn_seq":24,"anchor":"line-24","filing_url":"/filing/0001181431-08-040916","line_url":"/filing/0001181431-08-040916","is_derivative":false,"issuer_cik":"0001292653","issuer_name":"Neutral Tandem Inc","issuer_ticker":"TNDM","issuer_name_source":null,"issuer_url":"/issuer/0001292653","owner_cik":"0001416383","owner_name":"Junkroski Robert","owner_display_name":"Junkroski Robert","owner_url":"/insider/0001416383","role":"Officer (Chief Financial Officer & EVP)","role_mark":"O","role_mark_label":"Officer (Chief Financial Officer & EVP)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Financial Officer & EVP","security_title":"Common Stock, par value $0.001 per share","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":30000.0,"shares_display":"30,000","price_per_share":17.756399666666667,"price_display":"17.76","price_state":"stated","total_value":532691.99,"total_display":"532,691.99","total_whole":"532,692","shares_owned_after":367953.0,"shares_owned_after_display":"367,953","ownership_form":"D","is_10b5_1":null,"transaction_date":"2008-06-26","filed_date":"2008-06-30","scope":"insider","n_lines":24}],"collapsed":true,"next_cursor":"2008-06-26|3699296","ledger_fault":false,"count":{"value":59,"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":58,"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":59},"affiliations":[{"type":"issuer","type_label":"ISSUER","cik":"0001292653","name":"Neutral Tandem Inc","url":"/issuer/0001292653","role":"Officer (Chief Financial Officer & EVP)","n_filings":23,"first_seen":"2007-11-09","last_seen":"2010-09-14"}],"order_statement":"Newest transaction date first, id breaking the tie.","canonical_url":"https://ebomi.com/insider/0001416383","retrieved_at":"2026-08-25T01:25:02+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"}}