Quick Takeaways
- ABG Management Ltd. filed SCHEDULE 13D/A for ProMIS Neurosciences Inc. Common Shares, no par value per share (PMN).
- Disclosed ownership: 11%.
- Date of event: 29 Jan 2026.
ABG Management Ltd. - 29 Jan 2026 SCHEDULE 13D/A Report for ProMIS Neurosciences Inc. Common Shares, no par value per share (PMN)
- Filing Manager
- ABG Management Ltd.
- Reporting Manager
- ABG Management Ltd.
- Symbol
- PMN
- Shares outstanding
- 53,720,398 shares
- Disclosed Ownership
- 6,070,405 shares
- Ownership
- 11%
- Form type
- SCHEDULE 13D/A
- Filing time
- 02 Feb 2026, 16:30:00 UTC
- Date of event
- 29 Jan 2026
- Previous filing
- 29 Oct 2025
- SEC
- View on sec.gov
Quoteable Key Fact
"ABG Management Ltd. disclosed 11% ownership in ProMIS Neurosciences Inc. Common Shares, no par value per share (PMN) on 29 Jan 2026."
What Changed
- Previous schedule filing date: 29 Oct 2025.
- Current filing was accepted on 02 Feb 2026, 16:30.
Why This Matters
- This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
- You can verify ownership claims directly against the original SEC filing.
Source Evidence
Backed by Schedule 13D/13G
See Original Filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting Managers (4)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| ABG Management Ltd. | 11% | 6,070,405 | 0 | 6,070,405 | /s/ Fan Yu | Fan Yu, Director | 0001832106 |
| Ally Bridge Group (NY) LLC | 11% | 6,070,405 | 0 | 6,070,405 | ABG Management Ltd., its managing member, By: /s/ Fan Yu | Fan Yu, Director | 0001822947 |
| Ally Bridge MedAlpha Master Fund L.P. | 11% | 6,070,405 | 0 | 6,070,405 | Ally Bridge Group (NY) LLC, its manager, By: ABG Management Ltd., its managing member, By: /s/ Fan Yu | Fan Yu, Director | 0001831963 |
| Fan Yu | 11% | 6,070,405 | 0 | 6,070,405 | /s/ Fan Yu | Fan Yu | 0001668029 |