{"cik":"0001228865","entityType":"other","sic":"","sicDescription":"","ownerOrg":"","insiderTransactionForOwnerExists":1,"insiderTransactionForIssuerExists":0,"name":"MOULDER LEON O JR","tickers":[],"exchanges":[],"ein":null,"lei":null,"description":"","website":"","investorWebsite":"","category":"","fiscalYearEnd":null,"stateOfIncorporation":"","stateOfIncorporationDescription":"","addresses":{"mailing":{"street1":"C/O TESARO, INC.","street2":"1000 WINTER STREET, SUITE 3300","city":"WALTHAM","stateOrCountry":"MA","zipCode":"02451","stateOrCountryDescription":"MA","isForeignLocation":0,"foreignStateTerritory":null,"country":null,"countryCode":null},"business":{"street1":null,"street2":null,"city":null,"stateOrCountry":null,"zipCode":null,"stateOrCountryDescription":null,"isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null}},"phone":null,"flags":"","formerNames":[],"filings":{"recent":{"accessionNumber":["0000905148-26-003025","0001104659-26-075256","0001104659-26-063362","0001104659-26-055643","0001104659-26-051889","0001104659-26-039279","0001104659-26-038031","0001104659-26-009756","0001104659-26-003758","0001104659-26-002589","0001104659-25-098413","0001104659-25-098408","0000905148-25-002219","0001104659-25-058914","0001104659-25-057322","0001104659-25-015145","0001104659-24-125677","0001104659-24-121081","0001104659-24-101773","0001104659-24-100765","0001104659-24-100325","0001104659-24-099446","0000905148-24-001750","0000950170-24-065543","0000950170-24-007137","0000899243-23-018862","0000899243-23-018850","0000950170-23-031100","0001062993-23-013828","0001062993-22-014809","0001567619-22-000398","0001429560-21-000005","0000899243-21-002544","0000899243-21-000031","0001209191-20-029779","0001209191-19-030527","0001209191-19-006652","0001123292-19-000169","0001209191-18-031030","0001104659-18-014890","0001104659-18-014576","0001209191-17-038141","0001104659-17-014112","0001209191-16-121728","0001104659-16-102331","0001209191-15-045266","0001104659-15-018546","0001104659-15-003771","0001209191-14-074317","0001127602-14-019995","0001209191-14-034408","0001104659-14-017599","0001104659-14-016029","0001209191-14-005929","0001127602-13-020422","0001127602-13-020044","0001104659-13-018932","0001104659-12-061025","0001104659-12-047930","0001104659-12-046290","0001127602-12-019766","0001127602-11-028843","0001127602-11-018690","0001127602-10-017109","0001127602-10-005799","0001127602-10-005798","0001181431-09-022221","0001181431-09-022220","0001123292-08-000108","0001181431-08-005497","0001181431-07-076469","0001181431-07-055813","0001181431-07-042884","0001181431-07-031766","0001181431-07-013327","0001181431-06-050816","0001181431-06-045981","0001181431-06-042226","0001181431-05-058211","0001181431-05-040687","0001271137-05-000010","0001271137-04-000053","0001271137-04-000028"],"filingDate":["2026-06-22","2026-06-17","2026-05-18","2026-05-05","2026-04-29","2026-04-02","2026-03-31","2026-02-03","2026-01-14","2026-01-09","2025-10-09","2025-10-09","2025-06-23","2025-06-12","2025-06-06","2025-02-19","2024-12-04","2024-11-20","2024-09-20","2024-09-17","2024-09-16","2024-09-12","2024-06-20","2024-05-28","2024-01-24","2023-09-13","2023-09-13","2023-06-30","2023-06-20","2022-06-13","2022-01-04","2021-06-02","2021-01-20","2021-01-04","2020-05-15","2019-05-16","2019-02-04","2019-01-22","2018-05-17","2018-03-05","2018-03-05","2017-06-06","2017-03-03","2016-05-19","2016-03-03","2015-05-21","2015-03-10","2015-01-21","2014-12-10","2014-06-05","2014-05-15","2014-03-07","2014-03-04","2014-01-30","2013-06-14","2013-06-11","2013-03-08","2012-08-31","2012-07-06","2012-06-27","2012-06-11","2011-11-08","2011-06-06","2010-06-14","2010-02-22","2010-02-22","2009-05-01","2009-05-01","2008-01-30","2008-01-25","2007-12-19","2007-09-05","2007-06-29","2007-05-11","2007-02-22","2006-09-01","2006-08-07","2006-07-17","2005-10-28","2005-07-18","2005-01-27","2004-07-02","2004-05-12"],"reportDate":["2026-06-17","2026-06-15","2026-05-18","","2026-04-28","","2026-03-30","2026-02-02","","2026-01-07","2025-10-07","","2025-06-18","2025-06-10","","2025-02-18","2024-12-03","2024-11-18","2024-09-18","2024-09-12","2024-09-12","2024-09-12","2024-06-18","2024-05-23","2024-01-22","2023-09-11","2023-09-11","2023-06-29","2023-06-15","2022-06-09","2022-01-03","2021-05-28","2021-01-15","2021-01-01","2020-05-13","2019-05-16","2019-02-01","2019-01-22","2018-05-16","2018-03-01","2018-03-02","2017-05-17","2017-03-01","2016-05-18","2016-03-01","2015-05-20","2015-03-06","2015-01-21","2014-12-09","2014-06-03","2014-05-14","2014-02-27","2014-02-27","2014-01-30","2013-06-12","2013-06-06","2013-03-06","2012-08-30","2012-07-03","2012-06-27","2012-06-06","2011-11-04","2011-06-02","2010-06-10","2010-02-18","2010-02-18","2009-04-29","2009-04-29","2008-01-28","2008-01-23","2007-08-31","2007-08-31","2007-06-29","2007-05-10","2007-02-20","2006-08-31","2006-08-04","2006-07-15","2005-10-27","2005-07-15","2005-01-25","2004-05-10","2004-05-10"],"acceptanceDateTime":["2026-06-22T20:08:18.000Z","2026-06-17T22:02:59.000Z","2026-05-19T01:12:28.000Z","2026-05-05T20:15:19.000Z","2026-04-29T23:21:02.000Z","2026-04-02T21:44:06.000Z","2026-04-01T00:14:23.000Z","2026-02-03T21:30:13.000Z","2026-01-14T21:30:54.000Z","2026-01-10T02:42:58.000Z","2025-10-09T21:24:42.000Z","2025-10-09T21:15:38.000Z","2025-06-23T20:11:34.000Z","2025-06-12T20:30:23.000Z","2025-06-06T20:10:32.000Z","2025-02-19T21:01:11.000Z","2024-12-05T02:03:46.000Z","2024-11-20T22:20:29.000Z","2024-09-20T22:34:18.000Z","2024-09-18T00:54:38.000Z","2024-09-17T00:46:04.000Z","2024-09-13T01:33:16.000Z","2024-06-20T21:00:46.000Z","2024-05-28T23:58:47.000Z","2024-01-25T00:04:43.000Z","2023-09-14T01:13:10.000Z","2023-09-14T00:46:25.000Z","2023-06-30T20:06:24.000Z","2023-06-20T20:36:04.000Z","2022-06-13T21:27:21.000Z","2022-01-05T02:14:16.000Z","2021-06-02T21:01:12.000Z","2021-01-20T23:37:01.000Z","2021-01-04T12:32:21.000Z","2020-05-15T21:25:35.000Z","2019-05-16T21:33:26.000Z","2019-02-04T14:01:36.000Z","2019-01-22T14:57:16.000Z","2018-05-17T21:08:33.000Z","2018-03-05T22:27:39.000Z","2018-03-05T11:05:08.000Z","2017-06-06T20:44:19.000Z","2017-03-03T22:18:13.000Z","2016-05-19T20:52:55.000Z","2016-03-03T23:21:46.000Z","2015-05-21T19:16:35.000Z","2015-03-10T20:09:06.000Z","2015-01-21T22:09:37.000Z","2014-12-11T01:39:46.000Z","2014-06-05T19:11:27.000Z","2014-05-16T01:29:39.000Z","2014-03-07T23:06:47.000Z","2014-03-05T00:24:28.000Z","2014-01-30T23:19:44.000Z","2013-06-14T20:44:46.000Z","2013-06-11T20:16:19.000Z","2013-03-08T22:22:23.000Z","2012-08-31T13:12:55.000Z","2012-07-06T21:29:01.000Z","2012-06-27T20:47:43.000Z","2012-06-11T20:03:26.000Z","2011-11-08T15:16:25.000Z","2011-06-06T20:18:07.000Z","2010-06-14T17:32:08.000Z","2010-02-22T21:44:02.000Z","2010-02-22T21:43:18.000Z","2009-05-01T21:16:09.000Z","2009-05-01T21:15:35.000Z","2008-01-30T22:03:05.000Z","2008-01-25T19:48:26.000Z","2007-12-19T18:29:46.000Z","2007-09-05T16:38:49.000Z","2007-06-29T21:39:11.000Z","2007-05-11T18:50:44.000Z","2007-02-22T16:37:51.000Z","2006-09-01T17:45:25.000Z","2006-08-07T15:00:48.000Z","2006-07-17T18:01:17.000Z","2005-10-28T14:45:31.000Z","2005-07-18T17:43:35.000Z","2005-01-27T21:23:41.000Z","2004-07-02T13:09:09.000Z","2004-05-12T16:06:39.000Z"],"act":["34","34","34","","34","","34","34","","34","34","","34","34","","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","",""],"form":["4","4","4","SCHEDULE 13D","4","SCHEDULE 13D/A","4","4","SCHEDULE 13D","4","4","SCHEDULE 13D/A","4","4","SCHEDULE 13D","4","4","4","4","4/A","4","3","4","4","4","4","3","4","4","4","4","4","4","3","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4/A","4","3","4","4","4","4","4","3","4","4","4","4","4","3","4","3","4","4","4/A","4","4","4","4","4","4","4","4","4","4","4/A","4"],"fileNumber":["001-38205","001-42270","001-42270","","001-42270","","001-42270","001-42270","","001-42270","001-42270","","001-38205","001-42270","","001-42270","001-42270","001-42270","001-42270","001-42270","001-42270","001-42270","001-38205","001-38541","001-38541","001-38541","001-38541","001-38205","001-36193","001-36193","001-38205","001-36193","001-38205","001-38205","001-36193","001-36193","001-36193","001-35587","001-36193","001-35587","001-35587","001-36193","001-35587","001-36193","001-35587","001-36193","001-35587","001-36151","001-36193","001-36151","001-36193","001-35587","001-35587","001-36193","000-21379","000-21379","001-35587","001-35587","001-35587","001-35587","000-21379","000-21379","000-21379","000-21379","000-21379","000-21379","001-33657","001-33657","000-10736","000-10736","000-10736","000-10736","000-10736","000-10736","000-10736","000-10736","000-10736","000-10736","000-10736","000-10736","000-10736","000-10736","000-10736"],"filmNumber":["261107067","261099697","26995666","","26919100","","26824205","26593523","","26524473","251385904","","251065075","251043250","","25639770","241527578","241481379","241314354","241305985","241302323","241296302","241057297","24993670","24558263","231253910","231253877","231061735","231025741","221012668","22508825","21989998","21539918","21500176","20886928","19833475","19561770","19534528","18843947","18667529","18664340","17894642","17665230","161663774","161482883","15882561","15689193","15539213","141279334","14893486","14849612","14678616","14666864","14561942","13914772","13906266","13678510","121067236","12951388","12930036","12900499","111186549","11895482","10894309","10623188","10623182","09790434","09790423","08561757","08550534","071315829","071098942","07952357","07841772","07640964","061071058","061007722","06964418","051161797","05959001","05554118","04897113","04798308"],"items":["","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","",""],"core_type":["4","4","4","SCHEDULE 13D","4","SCHEDULE 13D/A","4","4","SCHEDULE 13D","4","4","SCHEDULE 13D/A","4","4","SCHEDULE 13D","4","4","4","4","4/A","4","3","4","4","4","4","3","4","4","4","4","4","4","3","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4/A","4","3","4","4","4","4","4","3","4","4","4","4","4","3","4","3","4","4","4/A","4","4","4","4","4","4","4","4","4","4","4/A","4"],"size":[5136,5830,7718,33591,9834,12682,9835,7571,35930,11497,7529,29366,4778,5691,26328,6370,8334,8332,12745,22976,22402,20337,4773,5521,5425,5664,9271,4583,5181,5178,4678,5179,4498,7519,5343,8874,5695,32392,5344,15867,11608,5311,13005,5174,7501,5175,5128,23388,6887,18439,5175,5677,5237,8030,14527,11267,5214,4315,7004,15624,14523,9278,11862,12237,10012,7783,7489,4000,32828,6367,6503,6034,6190,6033,7647,8629,7193,5834,8719,6249,57402,11768,14197],"isXBRL":[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],"isInlineXBRL":[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],"isXBRLNumeric":[0,0,0,0,0,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null],"primaryDocument":["xslF345X06/form4.xml","xslF345X06/tm2618042-8_4seq1.xml","xslF345X06/tm2615027-1_4seq1.xml","xslSCHEDULE_13D_X02/primary_doc.xml","xslF345X06/tm2613154-1_4seq1.xml","xslSCHEDULE_13D_X02/primary_doc.xml","xslF345X06/tm2610818-1_4seq1.xml","xslF345X05/tm264991-1_4seq1.xml","xslSCHEDULE_13D_X01/primary_doc.xml","xslF345X05/tm262858-1_4seq1.xml","xslF345X05/tm2528454-2_4seq1.xml","xslSCHEDULE_13D_X01/primary_doc.xml","xslF345X05/form4.xml","xslF345X05/tm2517684-1_4seq1.xml","xslSCHEDULE_13D_X01/primary_doc.xml","xslF345X05/tm257089-1_4seq1.xml","xslF345X05/tm2430232-1_4seq1.xml","xslF345X05/tm2429053-1_4seq1.xml","xslF345X05/tm2424498-1_4seq1.xml","xslF345X05/tm2424157-14_4aseq1.xml","xslF345X05/tm2424157-12_4seq1.xml","xslF345X02/tm2423876-3_3seq1.xml","xslF345X05/form4.xml","xslF345X05/ownership.xml","xslF345X05/ownership.xml","xslF345X05/doc4.xml","xslF345X02/doc3.xml","xslF345X04/ownership.xml","xslF345X04/form4.xml","xslF345X03/form4.xml","xslF345X03/doc1.xml","xslF345X03/edgar.xml","xslF345X03/doc4.xml","xslF345X02/doc3.xml","xslF345X03/doc4.xml","xslF345X03/doc4.xml","xslF345X03/doc4.xml","xslF345X03/edgar.xml","xslF345X03/doc4.xml","xslF345X03/a4.xml","xslF345X03/a4.xml","xslF345X03/doc4.xml","xslF345X03/a4.xml","xslF345X03/doc4.xml","xslF345X03/a4.xml","xslF345X03/doc4.xml","xslF345X03/a4.xml","xslF345X03/a4.xml","xslF345X03/doc4.xml","xslF345X03/form4.xml","xslF345X03/doc4.xml","xslF345X03/a4a.xml","xslF345X03/a4.xml","xslF345X02/doc3.xml","xslF345X03/form4.xml","xslF345X03/form4.xml","xslF345X03/a4.xml","xslF345X03/a4.xml","xslF345X03/a4.xml","xslF345X02/a3.xml","xslF345X03/form4.xml","xslF345X03/form4.xml","xslF345X03/form4.xml","xslF345X03/form4.xml","xslF345X03/form4.xml","xslF345X02/form3.xml","xslF345X03/rrd241080.xml","xslF345X02/rrd241081.xml","xslF345X02/edgar.xml","xslF345X02/rrd191825.xml","xslF345X02/rrd183226.xml","xslF345X02/rrd171629.xml","xslF345X02/rrd164437.xml","xslF345X02/rrd155094.xml","xslF345X02/rrd147965.xml","xslF345X02/rrd129363.xml","xslF345X02/rrd126602.xml","xslF345X02/rrd124577.xml","xslF345X02/rrd95526.xml","xslF345X02/rrd85382.xml","xslF345X02/edgar.xml","xslF345X02/edgar.xml","xslF345X02/edgar.xml"],"primaryDocDescription":["FORM 4","OWNERSHIP DOCUMENT","OWNERSHIP DOCUMENT","","OWNERSHIP DOCUMENT","","OWNERSHIP DOCUMENT","OWNERSHIP DOCUMENT","","OWNERSHIP DOCUMENT","OWNERSHIP DOCUMENT","","","OWNERSHIP DOCUMENT","","OWNERSHIP DOCUMENT","OWNERSHIP DOCUMENT","OWNERSHIP DOCUMENT","OWNERSHIP DOCUMENT","OWNERSHIP DOCUMENT","OWNERSHIP DOCUMENT","OWNERSHIP DOCUMENT","","4","4","FORM 4 SUBMISSION","FORM 3 SUBMISSION","4","STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES","STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES","FORM 4","PRIMARY DOCUMENT","FORM 4 SUBMISSION","FORM 3 SUBMISSION","FORM 4 SUBMISSION","FORM 4 SUBMISSION","FORM 4 SUBMISSION","PRIMARY DOCUMENT","FORM 4 SUBMISSION","4","4","FORM 4 SUBMISSION","4","FORM 4 SUBMISSION","4","FORM 4 SUBMISSION","4","4","FORM 4 SUBMISSION","PRIMARY DOCUMENT","FORM 4 SUBMISSION","4/A","4","FORM 3 SUBMISSION","PRIMARY DOCUMENT","PRIMARY DOCUMENT","4","4","4","3","PRIMARY DOCUMENT","PRIMARY DOCUMENT","PRIMARY DOCUMENT","PRIMARY DOCUMENT","PRIMARY DOCUMENT","PRIMARY DOCUMENT","FORM 4","FORM 3","PRIMARY DOCUMENT","FORM 4 1-23-08","FORM 4A  12-19-07","FORM 4 9-5-07","FORM 4 6-29-07","FORM 4 5-10-07","FORM 4 2-21-07","FORM 4 8-31-06","FORM 4 8-4-06","FORM 4 7-15-06","","07/15/05 FORM 4","PRIMARY DOCUMENT","PRIMARY DOCUMENT","PRIMARY DOCUMENT"]},"files":[]}}