| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Wegner Alpana | Chief Financial Officer | C/O INTEGRAL AD SCIENCE HOLDING CORP., 12 E. 49TH STREET, 20TH FLOOR, NEW YORK | /s/ Yossi Almani, by Power of Attorney | 03 Jul 2025 | 0001822516 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | IAS | Common Stock, $0.001 par value | Award | $0 | +525,279 | $0.000000 | 525,279 | 01 Jul 2025 | Direct |