| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Williams Eugene | Director | C/O PROMIS NEUROSCIENCES INC., SUITE 200, 1920 YONGE STREET, TORONTO, ONTARIO, CANADA | /s/ Max A. Milbury, Attorney in Fact for Eugene Williams | 04 Mar 2026 | 0001927626 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | PMN | Common Shares | Purchase | $22,530 | +1,000 | +16% | $22.53 | 7,397 | 02 Mar 2026 | Direct | |
| transaction | PMN | Common Shares | Purchase | $21,890 | +1,000 | +14% | $21.89 | 8,397 | 03 Mar 2026 | Direct | |
| transaction | PMN | Common Shares | Purchase | $48,000 | +2,000 | +24% | $24.00 | 10,397 | 04 Mar 2026 | Direct |