| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| McElligott Peter | General Counsel | C/O STAGWELL INC., ONE WORLD TRADE CENTER, FLOOR 65, NEW YORK | /s/ Peter McElligott | 05 Mar 2026 | 0001917834 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | STGW | Class A Common Stock | Disposed to Issuer | -1,831 | -1.7% | $0.000000* | 104,428 | 03 Mar 2026 | Direct | F1 | |
| transaction | STGW | Class A Common Stock | Tax liability | -10,121 | -9.7% | $4.82* | 94,307 | 03 Mar 2026 | Direct | F2 |
| Id | Content |
|---|---|
| F1 | Represents shares of restricted stock forfeited to the issuer in connection with the partial vesting of a three-year financial performance-based restricted stock award. |
| F2 | Represents shares withheld by the issuer to satisfy tax withholding requirements on the nonreportable vesting of restricted stock. |