SEC Form 4 · accession 0001561550-26-000304
Datadog, Inc. · DDOG
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Julie Richardson
Director
Period of report
Sep 3, 2026
Accepted (ET)
Sep 8, 2026 · 4:45 pm EDT
Rule 10b5-1 plan
yes — trade under a plan
Issuer CIK
0001561550
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Class A Common Stock | Sep 3, 2026 | C | 5,625 | $0.00 | A | 8,803 | D | |
| Class A Common Stock | Sep 3, 2026 | S | 5,625 | $220.00 | D | 3,178 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Stock Option (Right to Buy)F3 | $7.9567 | Sep 3, 2026 | M | 5,625 | D | — | Jun 12, 2029 | Class B Common Stock | 5,625 | 22,503 | D |
| Class B Common StockF1 | — | Sep 3, 2026 | M | 5,625 | A | — | — | Class A Common Stock | 5,625 | 5,625 | D |
| Class B Common StockF1 | — | Sep 3, 2026 | C | 5,625 | D | — | — | Class A Common Stock | 5,625 | 0 | D |
Explanation of responses
- F1Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earliest of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's amended and restated certificate of incorporation, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.
- F2Shares sold pursuant to a 10b5-1 plan dated June 4, 2026.
- F3The option is fully vested and exercisable.