Latest EDGAR 4 filed on 2026-07-15, report date 2026-07-13: Pomel Olivier / Datadog, Inc. reports ownership changes; on 07/13/2026; in Class A Common Stock; including 127,141 shares at 800 per share; 739,888 shares at 800 per share; 739,088 shares at 252.7295 per share; 2,780 shares at 252.7295 per share; 736,308 shares at 253.6295 per share; 7,447 shares at 253.6295 per share; 728,861 shares at 254.691 per share; 7,995 shares at 254.691 per share; 1. Each 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. 2. Shares sold pursuant to a 10b5-1 plan dated December 15, 2025. 3. Price reported is a weighted-average sales price. The shares were sold at prices ranging from $250.29 to $251.14. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price. 4. Price reported is a weighted-average sales price. The shares were sold at prices ranging from $252.16 to $253.15. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price. 5. Price reported is a weighted-average sales price. The shares were sold at prices ranging from $253.17 to $254.16. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price. 6. Price reported is a weighted-average sales price. The shares were sold at prices ranging from $254.18 to $255.17.