SEC Form 4 · accession 0001561550-26-000208
Datadog, Inc. · DDOG
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
David M Obstler
Officer — Chief Financial Officer
Period of report
Jun 12, 2026
Accepted (ET)
Jun 16, 2026 · 6:26 pm EDT
Rule 10b5-1 plan
box not checked
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 | Jun 12, 2026 | C | 7,500 | $0.00 | A | 442,091 | D | |
| Class A Common Stock | Jun 12, 2026 | G | 7,500 | $0.00 | D | 434,591 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Class B Common StockF1 | — | Jun 12, 2026 | C | 7,500 | D | — | — | Class A Common Stock | 7,500 | 8,103 | D |
| Class B Common StockF2,F1 | — | holding | — | — | — | — | — | Class A Common Stock | 46,199 | 46,199 | I |
| Class B Common StockF3,F1 | — | holding | — | — | — | — | — | Class A Common Stock | 46,198 | 46,198 | I |
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 are held directly by Obstler Children 2019 Trust FBO the Reporting Person's child, of which the Reporting Person's spouse is Trustee. Obstler Children 2019 Trust FBO the Reporting Person's child and Obstler Children 2019 Trust FBO the Reporting Person's other child are separate trusts for the benefit of the Reporting Person's children with substantially identical terms.
- F3Shares are held directly by Obstler Children 2019 Trust FBO the Reporting Person's other child, of which the Reporting Person's spouse is Trustee. See Footnote 2.