SEC Form 4 · accession 0001193125-26-354158
Datadog, Inc. · DDOG
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Matthew Jacobson
Director
Period of report
Aug 13, 2026
Accepted (ET)
Aug 17, 2026 · 4:30 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 StockF1,F2 | Aug 13, 2026 | S | 20,097 | $248.7894 | D | 564,035 | D | |
| Class A Common StockF3,F2 | Aug 13, 2026 | S | 16,651 | $252.1984 | D | 547,384 | D | |
| Class A Common StockF4,F2 | Aug 13, 2026 | S | 3,164 | $253.0124 | D | 544,220 | D | |
| Class A Common StockF5,F2 | Aug 14, 2026 | S | 17,867 | $256.2064 | D | 526,353 | D | |
| Class A Common StockF6,F2 | Aug 14, 2026 | S | 1,645 | $256.7448 | D | 524,708 | D |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $248.50 to $249.165. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff upon request.
- F2These shares are directly held by the Reporting Person through a trust of which he is a trustee and another estate planning trust having an independent trustee. The Reporting Person disclaims beneficial ownership of the shares held by such trusts for purposes of Section 16 of the Exchange Act, except to the extent of his pecuniary interest therein, if any. This report shall not be deemed an admission that the Reporting Person is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose
- F3The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $251.66 to $252.645. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff upon request.
- F4The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $252.68 to $253.48. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff upon request.
- F5The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $255.66 to $256.65. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff upon request.
- F6The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $256.66 to $256.82. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff upon request.