| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Acocella Kerry | General Counsel and Secretary | C/O DATADOG, INC., 620 8TH AVENUE, 45TH FLOOR, NEW YORK | /s/ Kerry Acocella | 17 Dec 2025 | 0001903975 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | DDOG | Class A Common Stock | Gift | $0 | -2,625 | -3.1% | $0.000000 | 81,838 | 15 Dec 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Shares donated to a donor-advised fund, which will use the gifted shares for charitable purposes. |