• Datadog CFO David M. Obstler sold 10,000 Class A common shares on Sep. 21, 2026 at USD 241.25.
• Directly owned Class A position fell to 368,067 shares following the sale.
• Two family trusts acquired 6,000 Class A shares via Class B conversions, then sold 6,000 Class A shares at USD 241.25.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Datadog Inc. published the original content used to generate this news brief via EDGAR, the Electronic Data Gathering, Analysis, and Retrieval system operated by the U.S. Securities and Exchange Commission (Ref. ID: 0001561550-26-000318), on September 23, 2026, and is solely responsible for the information contained therein.