Schedule 13D ownership disclosure

PROMIS NEUROSCIENCES INC

Common Shares, no par value per share · CUSIP: 74346M406

Event date: 2025-10-22

Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.

Filing-level shares
Unavailable
Percent of class
Unavailable
  • ABG Management Ltd.Reported CIK 0001832106

    Shares: 6,070,405.00 · Class: 11.3%

  • Ally Bridge Group (NY) LLCReported CIK 0001822947

    Shares: 6,070,405.00 · Class: 11.3%

  • Ally Bridge MedAlpha Master Fund L.P.Reported CIK 0001831963

    Shares: 6,070,405.00 · Class: 11.3%

  • Fan YuReported CIK 0001668029

    Shares: 6,070,405.00 · Class: 11.3%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.

Source: SEC EDGAR filing

Filing metadata

Accession number
0001493152-25-020081
Form type
SCHEDULE 13D
Filer
ABG Management Ltd.
CIK
CIK 1832106
Filed
Oct 29, 2025
Reporting period
Oct 22, 2025
Description
Schedule 13D beneficial ownership

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