IGM Biosciences, Inc.

CIK 1496323 · operating company. SEC filings, financial statements, 10-K sections, 8-K items and insider trades for IGM Biosciences, Inc..

Recent SEC filings

FiledFormAccession number
Nov 13, 2025SCHEDULE 13G/A0001076809-25-000132
Aug 25, 202515-12G0001140361-25-032440
Aug 18, 2025SCHEDULE 13D/A0000950170-25-109761
Aug 18, 202540000950170-25-109854
Aug 18, 2025SCHEDULE 13D/A0001104659-25-079905
Aug 15, 2025SCHEDULE 13D/A0001104659-25-079312
Aug 15, 202540001104659-25-079307
Aug 14, 2025S-8 POS0001140361-25-031229
Aug 14, 2025S-8 POS0001140361-25-031238
Aug 14, 202540001415889-25-022042
Aug 14, 2025EFFECT9999999995-25-002609
Aug 14, 2025S-8 POS0001140361-25-031228
Aug 14, 2025POS AM0001140361-25-031222
Aug 14, 2025POS AM0001140361-25-031216
Aug 14, 2025EFFECT9999999995-25-002610
Aug 14, 2025S-8 POS0001140361-25-031231
Aug 14, 2025EFFECT9999999995-25-002605
Aug 14, 2025POS AM0001140361-25-031218
Aug 14, 2025POS AM0001140361-25-031223
Aug 14, 20258-K0001193125-25-180763
Aug 14, 202525-NSE0001354457-25-000811
Aug 14, 2025POS AM0001140361-25-031220
Aug 14, 2025SC 14D9/A0001193125-25-180427
Aug 14, 2025EFFECT9999999995-25-002606
Aug 14, 2025S-8 POS0001140361-25-031233