{"cik":"0001521874","entityType":"other","sic":"","sicDescription":"","ownerOrg":"","insiderTransactionForOwnerExists":1,"insiderTransactionForIssuerExists":0,"name":"Richter Steven G.","tickers":[],"exchanges":[],"ein":null,"lei":null,"description":"","website":"","investorWebsite":"","category":"","fiscalYearEnd":null,"stateOfIncorporation":"","stateOfIncorporationDescription":"","addresses":{"mailing":{"street1":"C/O WESTFIELD BANK","street2":"141 ELM STREET","city":"WESTFIELD","stateOrCountry":"MA","zipCode":"01085","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":["0001123292-26-001075","0001123292-26-000637","0001123292-26-000355","0001123292-26-000123","0001123292-25-000629","0001062993-25-013967","0001062993-25-010108","0001062993-25-008611","0001062993-25-001885","0001062993-24-018697","0001062993-24-014773","0001062993-24-009337","0001062993-24-006133","0001062993-24-001955","0001062993-23-020218","0001062993-23-016010","0001062993-23-011220","0001062993-23-010339","0001062993-23-006614","0001062993-23-002279","0001062993-22-021497","0001062993-22-017296","0001062993-22-011812","0001062993-22-006890","0001062993-22-002631","0001123292-21-001439","0001123292-21-001184","0001123292-21-000794","0001123292-21-000335","0001123292-21-000203","0001123292-20-001165","0001123292-20-001089","0001123292-20-001025","0001123292-20-001021","0001123292-20-000705","0001123292-20-000389","0001123292-19-001353","0001123292-19-001248","0001123292-19-000510","0001123292-18-000310","0001123292-17-001766","0001123292-17-001022","0001123292-16-002345","0001123292-13-001356","0001123292-12-000180","0001123292-11-000443","0001123292-11-000439"],"filingDate":["2026-08-07","2026-05-08","2026-03-10","2026-02-06","2025-11-07","2025-08-08","2025-05-22","2025-05-06","2025-02-07","2024-11-08","2024-08-09","2024-05-03","2024-03-11","2024-02-05","2023-11-06","2023-08-08","2023-05-16","2023-05-05","2023-03-10","2023-02-06","2022-11-03","2022-08-04","2022-05-06","2022-03-04","2022-02-04","2021-11-05","2021-08-06","2021-05-06","2021-02-25","2021-02-08","2020-11-06","2020-09-17","2020-08-13","2020-08-11","2020-05-07","2020-02-27","2019-12-20","2019-11-04","2019-03-12","2018-02-09","2017-12-11","2017-05-25","2016-05-26","2013-09-05","2012-01-25","2011-05-26","2011-05-26"],"reportDate":["2026-08-05","2026-05-06","2026-03-06","2026-02-04","2025-11-05","2025-08-06","2025-05-20","2025-05-02","2025-02-05","2024-11-06","2024-08-07","2024-05-02","2024-03-07","2024-02-01","2023-11-02","2023-08-04","2023-05-12","2023-05-03","2023-03-08","2023-02-02","2022-11-01","2022-08-02","2022-05-04","2022-03-02","2022-02-02","2021-11-03","2021-08-04","2021-05-04","2021-02-23","2021-02-04","2020-11-04","2020-09-16","2020-08-13","2020-08-10","2020-05-06","2020-02-25","2019-12-19","2019-10-31","2019-02-26","2018-01-30","2017-12-08","2017-05-23","2016-05-24","2013-09-03","2010-12-31","2011-05-24","2011-05-19"],"acceptanceDateTime":["2026-08-07T20:30:31.000Z","2026-05-08T20:19:39.000Z","2026-03-10T20:05:01.000Z","2026-02-06T21:25:52.000Z","2025-11-07T21:27:24.000Z","2025-08-08T20:14:47.000Z","2025-05-22T20:34:12.000Z","2025-05-06T20:24:53.000Z","2025-02-07T21:17:21.000Z","2024-11-08T21:12:23.000Z","2024-08-09T20:16:53.000Z","2024-05-03T20:21:23.000Z","2024-03-11T20:49:36.000Z","2024-02-05T21:19:39.000Z","2023-11-06T22:19:04.000Z","2023-08-08T20:18:25.000Z","2023-05-16T20:20:47.000Z","2023-05-05T20:30:42.000Z","2023-03-10T21:29:41.000Z","2023-02-06T22:16:19.000Z","2022-11-03T20:16:37.000Z","2022-08-04T20:24:21.000Z","2022-05-06T20:56:57.000Z","2022-03-04T22:00:29.000Z","2022-02-04T21:25:38.000Z","2021-11-05T20:25:45.000Z","2021-08-06T20:16:33.000Z","2021-05-06T20:35:22.000Z","2021-02-25T22:09:41.000Z","2021-02-08T23:09:51.000Z","2020-11-06T21:38:13.000Z","2020-09-17T20:38:10.000Z","2020-08-13T20:44:50.000Z","2020-08-11T21:43:00.000Z","2020-05-07T20:15:58.000Z","2020-02-27T23:46:27.000Z","2019-12-20T21:20:52.000Z","2019-11-04T21:09:30.000Z","2019-03-13T01:00:38.000Z","2018-02-09T22:38:50.000Z","2017-12-11T16:09:16.000Z","2017-05-25T21:31:29.000Z","2016-05-26T20:46:14.000Z","2013-09-05T16:34:53.000Z","2012-01-25T19:34:32.000Z","2011-05-26T18:19:14.000Z","2011-05-26T18:17:15.000Z"],"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"],"form":["4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","5","4","3"],"fileNumber":["001-16767","001-16767","001-16767","001-16767","001-16767","001-16767","001-16767","001-16767","001-16767","001-16767","001-16767","001-16767","001-16767","001-16767","001-16767","001-16767","001-16767","001-16767","001-16767","001-16767","001-16767","001-16767","001-16767","001-16767","001-16767","001-16767","001-16767","001-16767","001-16767","001-16767","001-16767","001-16767","001-16767","001-16767","001-16767","001-16767","001-16767","001-16767","001-16767","001-16767","001-16767","001-16767","001-16767","001-16767","001-16767","001-16767","001-16767"],"filmNumber":["261254751","26958662","26739195","26608020","251463045","251198578","25977692","25917641","25601965","241440696","241193041","24913473","24738798","24595978","231380805","231151633","23927818","23894358","23724091","23591539","221358258","221137003","22902126","22715005","22593819","211384931","211153104","21898448","21681546","21602908","201294985","201181575","201099923","201093571","20856605","20664638","191301829","191189860","19676686","18593167","171248791","17871079","161678767","131079801","12544521","11873527","11873520"],"items":["","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","",""],"core_type":["4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","5","4","3"],"size":[6241,6243,6155,6127,6128,6129,6058,6138,6145,6316,6105,6102,6070,6107,6031,6031,5740,6027,5958,5995,5996,5996,5995,5961,5995,6098,6097,6097,5992,6066,6067,5781,5781,6072,6768,5344,5113,5113,5341,6084,4457,4657,4529,5766,6089,6736,12046],"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],"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],"isXBRLNumeric":[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],"primaryDocument":["xslF345X06/form4.xml","xslF345X06/form4.xml","xslF345X05/form4.xml","xslF345X05/form4.xml","xslF345X05/form4.xml","xslF345X05/form4.xml","xslF345X05/form4.xml","xslF345X05/form4.xml","xslF345X05/form4.xml","xslF345X05/form4.xml","xslF345X05/form4.xml","xslF345X05/form4.xml","xslF345X05/form4.xml","xslF345X05/form4.xml","xslF345X05/form4.xml","xslF345X05/form4.xml","xslF345X04/form4.xml","xslF345X04/form4.xml","xslF345X03/form4.xml","xslF345X03/form4.xml","xslF345X03/form4.xml","xslF345X03/form4.xml","xslF345X03/form4.xml","xslF345X03/form4.xml","xslF345X03/form4.xml","xslF345X03/edgar.xml","xslF345X03/edgar.xml","xslF345X03/edgar.xml","xslF345X03/edgar.xml","xslF345X03/edgar.xml","xslF345X03/edgar.xml","xslF345X03/edgar.xml","xslF345X03/edgar.xml","xslF345X03/edgar.xml","xslF345X03/edgar.xml","xslF345X03/edgar.xml","xslF345X03/edgar.xml","xslF345X03/edgar.xml","xslF345X03/edgar.xml","xslF345X03/edgar.xml","xslF345X03/edgar.xml","xslF345X03/edgar.xml","xslF345X03/edgar.xml","xslF345X03/edgar.xml","xslF345X03/edgar.xml","xslF345X03/edgar.xml","xslF345X02/edgar.xml"],"primaryDocDescription":["STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES","STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES","STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES","STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES","STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES","STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES","STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES","STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES","STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES","STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES","STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES","STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES","STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES","STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES","STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES","STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES","STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES","STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES","STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES","STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES","STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES","STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES","STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES","STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES","STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES","PRIMARY DOCUMENT","PRIMARY DOCUMENT","PRIMARY DOCUMENT","PRIMARY DOCUMENT","PRIMARY DOCUMENT","PRIMARY DOCUMENT","PRIMARY DOCUMENT","PRIMARY DOCUMENT","PRIMARY DOCUMENT","PRIMARY DOCUMENT","PRIMARY DOCUMENT","PRIMARY DOCUMENT","PRIMARY DOCUMENT","PRIMARY DOCUMENT","PRIMARY DOCUMENT","PRIMARY DOCUMENT","PRIMARY DOCUMENT","PRIMARY DOCUMENT","PRIMARY DOCUMENT","PRIMARY DOCUMENT","PRIMARY DOCUMENT","PRIMARY DOCUMENT"]},"files":[]}}