| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Phillips Dominic | Director | C/O DATADOG, INC., 620 8TH AVENUE, 45TH FLOOR, NEW YORK | /s/ Kerry Acocella, Attorney-in-Fact | 02 Mar 2026 | 0001895148 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| holding | DDOG | Class A Common Stock | 0 | 26 Feb 2026 | Direct |