| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | DDOG | Class A Common Stock | Award | $0 | +5,151 | $0.000000 | 5,151 | 26 Feb 2026 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Represents the number of shares underlying Restricted Stock Units ("RSUs") granted pursuant to the Issuer's non-employee director compensation policy. Each RSU represents a contingent right to receive one share of Issuer's Class A common stock. The RSUs vest in three successive equal annual installments over a three-year period commencing on February 26, 2027, in each case, subject to the Reporting Person's continuous service to the Issuer through the vesting date. |