ARCH Venture Fund IX, L.P.

CIK 1666306 · operating company. SEC filings, financial statements, 10-K sections, 8-K items and insider trades for ARCH Venture Fund IX, L.P..

Recent SEC filings

FiledFormAccession number
Aug 14, 2026SCHEDULE 13G/A0001012975-26-000773
Jul 6, 202640001012975-26-000621
May 15, 2026SCHEDULE 13G/A0001012975-26-000439
Mar 9, 202640001012975-26-000235
Mar 3, 2026SCHEDULE 13D/A0001012975-26-000222
Nov 14, 2025SCHEDULE 13G/A0001012975-25-000768
Nov 14, 2025SCHEDULE 13G/A0001012975-25-000773
Jul 29, 202540001062993-25-013262
May 15, 2025SCHEDULE 13G/A0001072613-25-000405
May 15, 2025SCHEDULE 13G/A0001072613-25-000406
Feb 14, 2025SCHEDULE 13G/A0001072613-25-000168
Feb 14, 2025SCHEDULE 13G/A0001072613-25-000167
Nov 14, 2024SC 13G/A0001072613-24-000883
Oct 29, 2024SC 13D0001072613-24-000789
Apr 4, 202440000950170-24-041841
Mar 27, 202430000950170-24-037472
Feb 14, 2024SC 13G/A0001072613-24-000251
Feb 14, 2024SC 13G/A0001072613-24-000252
Feb 12, 202440001062993-24-002840
Feb 9, 2024SC 13G/A0001072613-24-000117
Feb 9, 2024SC 13G/A0001072613-24-000116
Feb 13, 2023SC 13G/A0001072613-23-000103
Sep 20, 2022SC 13D/A0001072613-22-000569
Sep 13, 2022SC 13D/A0001072613-22-000558
Sep 7, 202240001062993-22-019342