| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Kaplan Johanne | Chief Development Officer | PROMIS NEUROSCIENCES INC., SUITE 200, 1920 YONGE STREET, TORONTO, ONTARIO, CANADA | /s/ Max A. Milbury, Attorney in Fact for Johanne Kaplan | 23 Feb 2026 | 0001967717 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | PMN | Common Shares | Purchase | $25,005 | +1,629 | +70% | $15.35 | 3,941 | 19 Feb 2026 | Direct |