| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Shan Helen L. | EVP, Chief Financial Officer | C/O FACTSET RESEARCH SYSTEMS INC., 45 GLOVER AVENUE, NORWALK | /s/ WINNIFRED LEWIS, Attorney in Fact for Helen L. Shan | 08 Oct 2025 | 0001748873 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | FDS | Common Stock | Purchase | $102K | +370 | +4.15% | $275.48 | 9.28K | 06 Oct 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | This transaction was executed in multiple trades with purchase prices ranging from $275.32 to $275.52. The price reported above reflects the weighted average purchase price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. |