https://www.developersdigest.tech/markets/amg/filings Latest company filings for Affiliated Managers Group, Inc. (AMG) - annual reports, quarterly reports, major events, and insider trades, newest first. en Sun, 12 Jul 2026 11:53:12 GMT https://www.sec.gov/Archives/edgar/data/0/000119312526224169/xslForm13F_X02/primary_doc.xml 0001193125-26-224169 Thu, 14 May 2026 12:00:00 GMT 13F-NT https://www.sec.gov/Archives/edgar/data/0/000195004726004237/xsl144X01/primary_doc.xml 0001950047-26-004237 Fri, 08 May 2026 12:00:00 GMT 144 https://www.sec.gov/Archives/edgar/data/0/000100443426000059/xslF345X06/form4.xml 0001004434-26-000059 Fri, 08 May 2026 12:00:00 GMT 4 https://www.sec.gov/Archives/edgar/data/0/000100443426000058/xslF345X06/form4.xml 0001004434-26-000058 Fri, 08 May 2026 12:00:00 GMT 4 https://www.sec.gov/Archives/edgar/data/0/000162828026032153/amg-20260331.htm 0001628280-26-032153 Thu, 07 May 2026 12:00:00 GMT 10-Q https://www.sec.gov/Archives/edgar/data/0/000195004726004124/xsl144X01/primary_doc.xml 0001950047-26-004124 Wed, 06 May 2026 12:00:00 GMT 144 https://www.sec.gov/Archives/edgar/data/0/000100443426000053/xslF345X06/form4.xml 0001004434-26-000053 Wed, 06 May 2026 12:00:00 GMT 4 https://www.sec.gov/Archives/edgar/data/0/000100443426000051/xslF345X06/form4.xml 0001004434-26-000051 Tue, 05 May 2026 12:00:00 GMT 4 https://www.sec.gov/Archives/edgar/data/0/000162828026029094/amg-20260501.htm 0001628280-26-029094 Fri, 01 May 2026 12:00:00 GMT 8-K https://www.sec.gov/Archives/edgar/data/0/000210011926000144/xslSCHEDULE_13G_X02/primary_doc.xml 0002100119-26-000144 Wed, 29 Apr 2026 12:00:00 GMT SCHEDULE 13G https://www.sec.gov/Archives/edgar/data/0/000210012126000055/xslSCHEDULE_13G_X02/primary_doc.xml 0002100121-26-000055 Tue, 28 Apr 2026 12:00:00 GMT SCHEDULE 13G https://www.sec.gov/Archives/edgar/data/0/000100443426000048/xslF345X06/form3.xml 0001004434-26-000048 Fri, 24 Apr 2026 12:00:00 GMT 3 https://www.sec.gov/Archives/edgar/data/0/000162828026025810/amgars.pdf 0001628280-26-025810 Fri, 17 Apr 2026 12:00:00 GMT ARS https://www.sec.gov/Archives/edgar/data/0/000162828026025806/a2026amgdefa14aa.htm 0001628280-26-025806 Fri, 17 Apr 2026 12:00:00 GMT DEFA14A https://www.sec.gov/Archives/edgar/data/0/000162828026025798/amg-20260417.htm 0001628280-26-025798 Fri, 17 Apr 2026 12:00:00 GMT DEF 14A https://www.sec.gov/Archives/edgar/data/0/000100443426000041/xslF345X06/form3.xml 0001004434-26-000041 Mon, 06 Apr 2026 12:00:00 GMT 3 https://www.sec.gov/Archives/edgar/data/0/000010290926000481/xslSCHEDULE_13G_X02/primary_doc.xml 0000102909-26-000481 Thu, 26 Mar 2026 12:00:00 GMT SCHEDULE 13G/A https://www.sec.gov/Archives/edgar/data/0/000195917326002074/xsl144X01/primary_doc.xml 0001959173-26-002074 Mon, 09 Mar 2026 12:00:00 GMT 144 https://www.sec.gov/Archives/edgar/data/0/000195004726002349/xsl144X01/primary_doc.xml 0001950047-26-002349 Mon, 09 Mar 2026 12:00:00 GMT 144 https://www.sec.gov/Archives/edgar/data/0/000100443426000035/xslF345X05/form4.xml 0001004434-26-000035 Mon, 09 Mar 2026 12:00:00 GMT 4 https://www.sec.gov/Archives/edgar/data/0/000100443426000033/xslF345X05/form4.xml 0001004434-26-000033 Mon, 09 Mar 2026 12:00:00 GMT 4 https://www.sec.gov/Archives/edgar/data/0/000100443426000031/xslF345X05/form4.xml 0001004434-26-000031 Mon, 09 Mar 2026 12:00:00 GMT 4 https://www.sec.gov/Archives/edgar/data/0/000100443426000029/xslF345X05/form4.xml 0001004434-26-000029 Mon, 09 Mar 2026 12:00:00 GMT 4 https://www.sec.gov/Archives/edgar/data/0/000100443426000027/xslF345X05/form4.xml 0001004434-26-000027 Mon, 09 Mar 2026 12:00:00 GMT 4 https://www.sec.gov/Archives/edgar/data/0/000100443426000025/xslF345X05/form4.xml 0001004434-26-000025 Mon, 09 Mar 2026 12:00:00 GMT 4 https://www.sec.gov/Archives/edgar/data/0/000100443426000023/xslF345X05/form4.xml 0001004434-26-000023 Mon, 09 Mar 2026 12:00:00 GMT 4 https://www.sec.gov/Archives/edgar/data/0/000100443426000021/xslF345X05/form4.xml 0001004434-26-000021 Mon, 09 Mar 2026 12:00:00 GMT 4 https://www.sec.gov/Archives/edgar/data/0/000100443426000019/xslF345X05/form4.xml 0001004434-26-000019 Mon, 09 Mar 2026 12:00:00 GMT 4 https://www.sec.gov/Archives/edgar/data/0/000100443426000017/xslF345X05/form4.xml 0001004434-26-000017 Mon, 09 Mar 2026 12:00:00 GMT 4 https://www.sec.gov/Archives/edgar/data/0/000100443426000015/xslF345X05/form4.xml 0001004434-26-000015 Mon, 09 Mar 2026 12:00:00 GMT 4 https://www.sec.gov/Archives/edgar/data/0/000195004726002306/xsl144X01/primary_doc.xml 0001950047-26-002306 Fri, 06 Mar 2026 12:00:00 GMT 144 https://www.sec.gov/Archives/edgar/data/0/000010290926000333/xslSCHEDULE_13G_X01/primary_doc.xml 0000102909-26-000333 Thu, 05 Mar 2026 12:00:00 GMT SCHEDULE 13G/A https://www.sec.gov/Archives/edgar/data/0/000119312526076911/d113085d8k.htm 0001193125-26-076911 Thu, 26 Feb 2026 12:00:00 GMT 8-K https://www.sec.gov/Archives/edgar/data/0/000162828026008665/amg-20251231.htm 0001628280-26-008665 Tue, 17 Feb 2026 12:00:00 GMT 10-K https://www.sec.gov/Archives/edgar/data/0/000119312526051539/xslForm13F_X02/primary_doc.xml 0001193125-26-051539 Fri, 13 Feb 2026 12:00:00 GMT 13F-NT https://www.sec.gov/Archives/edgar/data/0/000090572926000041/xslSCHEDULE_13G_X01/primary_doc.xml 0000905729-26-000041 Fri, 13 Feb 2026 12:00:00 GMT SCHEDULE 13G/A https://www.sec.gov/Archives/edgar/data/0/000162828026007464/amg-20260212.htm 0001628280-26-007464 Thu, 12 Feb 2026 12:00:00 GMT 8-K https://www.sec.gov/Archives/edgar/data/0/000119312526047590/d905353d8k.htm 0001193125-26-047590 Thu, 12 Feb 2026 12:00:00 GMT 8-K https://www.sec.gov/Archives/edgar/data/0/000100443425000067/xslF345X05/form4.xml 0001004434-25-000067 Tue, 23 Dec 2025 12:00:00 GMT 4 https://www.sec.gov/Archives/edgar/data/0/000119312525316053/d933301d8k.htm 0001193125-25-316053 Thu, 11 Dec 2025 12:00:00 GMT 8-K https://www.sec.gov/Archives/edgar/data/0/000119312525314311/d87122d424b5.htm 0001193125-25-314311 Wed, 10 Dec 2025 12:00:00 GMT 424B5 https://www.sec.gov/Archives/edgar/data/0/000119312525311451/d10184dfwp.htm 0001193125-25-311451 Mon, 08 Dec 2025 12:00:00 GMT FWP https://www.sec.gov/Archives/edgar/data/0/000119312525311380/d93774d8k.htm 0001193125-25-311380 Mon, 08 Dec 2025 12:00:00 GMT 8-K https://www.sec.gov/Archives/edgar/data/0/000119312525310663/d87122d424b5.htm 0001193125-25-310663 Mon, 08 Dec 2025 12:00:00 GMT 424B5 https://www.sec.gov/Archives/edgar/data/0/000100443425000064/xslF345X05/form4.xml 0001004434-25-000064 Fri, 28 Nov 2025 12:00:00 GMT 4 https://www.sec.gov/Archives/edgar/data/0/000119312525280265/xslForm13F_X02/primary_doc.xml 0001193125-25-280265 Thu, 13 Nov 2025 12:00:00 GMT 13F-NT https://www.sec.gov/Archives/edgar/data/0/000100443425000057/xslF345X05/form4.xml 0001004434-25-000057 Wed, 12 Nov 2025 12:00:00 GMT 4 https://www.sec.gov/Archives/edgar/data/0/000089542125000565/xslSCHEDULE_13G_X01/primary_doc.xml 0000895421-25-000565 Fri, 07 Nov 2025 12:00:00 GMT SCHEDULE 13G/A https://www.sec.gov/Archives/edgar/data/0/000162828025050206/amg-20250930.htm 0001628280-25-050206 Thu, 06 Nov 2025 12:00:00 GMT 10-Q https://www.sec.gov/Archives/edgar/data/0/000100443425000053/xslF345X05/form4.xml 0001004434-25-000053 Wed, 05 Nov 2025 12:00:00 GMT 4