SELLAS Life Sciences Group, Inc. - SLS

All tracked SEC files for this issuer. Showing up to 200 latest records.
Need parsed ownership details (13D/13G with shares/percent)? Open ownership details
Form 4 = insider transactions report. Form 144 = notice of proposed sale (not a completed trade confirmation).

Files summary

Total files loaded: 15
Latest filed: Jun 02, 2026
Form Count
4 7
8-K 5
SCHEDULE 13G/A 3

Latest files

Filed Form Report period Accession SEC
Jun 02, 2026 8-K Jun 02, 2026 0001104659-26-069251 View
May 12, 2026 8-K May 12, 2026 0001390478-26-000009 View
Mar 27, 2026 SCHEDULE 13G/A 0000102909-26-002236 View
Mar 19, 2026 8-K Mar 19, 2026 0001390478-26-000004 View
Mar 11, 2026 8-K Mar 11, 2026 0001104659-26-026384 View
Feb 17, 2026 SCHEDULE 13G/A 0001193125-26-053508 View
Jan 30, 2026 SCHEDULE 13G/A 0000902664-26-000615 View
Jan 09, 2026 4 Jan 07, 2026 0001104659-26-002491 View
Jan 09, 2026 4 Jan 07, 2026 0001104659-26-002499 View
Jan 09, 2026 4 Jan 07, 2026 0001104659-26-002502 View
Jan 09, 2026 4 Jan 07, 2026 0001104659-26-002506 View
Jan 09, 2026 4 Jan 07, 2026 0001104659-26-002509 View
Jan 09, 2026 4 Jan 07, 2026 0001104659-26-002511 View
Jan 09, 2026 4 Jan 07, 2026 0001104659-26-002515 View
Jan 08, 2026 8-K Jan 07, 2026 0001104659-26-001957 View