ABG Management Ltd. - 03 Feb 2026 SCHEDULE 13D/A Report for ProMIS Neurosciences Inc. Common Shares, no par value per share (PMN)

Filing Manager
ABG Management Ltd.
Reporting Manager
Fan Yu
Security
ProMIS Neurosciences Inc. Common Shares, no par value per share
Symbol
PMN
Shares outstanding
9,672,924 shares
Disclosed Ownership
1,644,397 shares
Ownership
17%
Form type
SCHEDULE 13D/A
Filing time
05 Feb 2026, 19:02:35 UTC
Date of event
03 Feb 2026
SEC
View on sec.gov

Quoteable Key Fact

"ABG Management Ltd. disclosed 17% ownership in ProMIS Neurosciences Inc. Common Shares, no par value per share (PMN) on 03 Feb 2026."

Quick Takeaways

  • ABG Management Ltd. filed SCHEDULE 13D/A for ProMIS Neurosciences Inc. Common Shares, no par value per share (PMN).
  • Disclosed ownership: 17%.
  • Date of event: 03 Feb 2026.

What Changed

  • No earlier schedule filing is available for direct comparison.
  • Current filing was accepted on 05 Feb 2026, 19:02.

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

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

See Original Filing

Reporting Managers (9)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
ABG Management Ltd. 6.3% 572,677 0 572,677 By: /s/ Fan Yu Fan Yu, Director 0001832106
Ally Bridge Group (NY) LLC 6.3% 572,677 0 572,677 By: ABG Management Ltd., its managing member, By: /s/ Fan Yu Fan Yu, Director 0001822947
Ally Bridge MedAlpha Master Fund L.P. 6.3% 572,677 0 572,677 By: Ally Bridge Group (NY) LLC, its manager, By: ABG Management Ltd., its managing member, By: /s/ Fan Yu Fan Yu, Director 0001831963
ABG V-SIV IX Limited 7.1% 659,520 0 659,520 By: ABG Global Life Science Capital Partners V GP, L.P., ABG Global Life Science Capital Partners V GP Limited, /s/ Fan Yu Fan Yu, Director
Ally Bridge Group Global Life Science Capital Partners V, L.P. 7.1% 659,520 0 659,520 By: ABG Global Life Science Capital Partners V GP, L.P., its GP, By: ABG Global Life Science Capital Partners V GP Limited, its GP, By: /s/ Fan Yu Fan Yu, Director
ABG Global Life Science Capital Partners V GP, L.P. 7.1% 659,520 0 659,520 By: ABG Global Life Science Capital Partners V GP Limited, its general partner, By: /s/ Fan Yu Fan Yu, Director
ABG Global Life Science Capital Partners V GP Limited 7.1% 659,520 0 659,520 By: /s/ Fan Yu Fan Yu, Director
ABG V-SIV X Limited 4.5% 412,200 0 412,200 By: /s/ Fan Yu Fan Yu, Director
Fan Yu 17% 1,644,397 0 1,644,397 /s/ Fan Yu Fan Yu 0001668029