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Datadog Inc. Class A

David M Obstler (Chief Financial Officer) sells DDOG shares

4DDOGFiled Sep 23, 2026, 4:50 PM ET· Period Sep 21, 2026

About this filing

Datadog Inc. Class A (DDOG) filed Form 4 (insider transaction) with the SEC on Sep 23, 2026. Form 4 reports a company insider’s trades in the company’s shares.

Key facts

Insider
David M Obstler · Chief Financial Officer

Rule 10b5-1 plan · adopted Jun 13, 2026

DateTransactionSharesPriceValueHeld afterOwnership
Sep 21, 2026S · open-market saleFootnotes F1−10,000$241.25$2,412,500.00368,067Direct
Sep 21, 2026C · conversionFootnotes F2, F3+3,000$0.00$0.003,000Indirect (By Trust)
Sep 21, 2026S · open-market saleFootnotes F1, F3−3,000$241.25$723,750.000Indirect (By Trust)
Sep 21, 2026C · conversionFootnotes F2, F4+3,000$0.00$0.003,000Indirect (By Trust)
Sep 21, 2026S · open-market saleFootnotes F1, F4−3,000$241.25$723,750.000Indirect (By Trust)
Sep 21, 2026C · conversionClass B Common StockFootnotes F2, F3−3,000$0.00$0.0031,198Indirect (By Trust)
Sep 21, 2026C · conversionClass B Common StockFootnotes F2, F4−3,000$0.00$0.0031,199Indirect (By Trust)
Footnotes
  1. F1 Shares sold pursuant to a 10b5-1 plan dated June 13, 2026.
  2. F2 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.
  3. F3 Shares 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 4.
  4. F4 Shares 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.

More DDOG filings

Not investment advice. Summaries can contain errors; the SEC filing is the official record.