Datadog Director Julie Richardson Exercises Options and Sells $1.24M in DDOG Shares Under 10b5-1 Plan

Executive Summary

On September 8, 2026, Datadog, Inc. (NASDAQ: DDOG) filed a Form 4 report disclosing that Director Julie Richardson executed an option exercise and subsequent sale of 5,625 shares of Class A Common Stock on September 3, 2026.

Transaction Breakdown

• Option Exercise: Exercised stock options to acquire 5,625 shares of Class B Common Stock at an exercise price of $7.9567 per share.
• Conversion: Converted 5,625 shares of Class B Common Stock into Class A Common Stock on a 1-for-1 basis.
• Open Market Sale: Sold 5,625 shares of Class A Common Stock at $220.00 per share, generating total proceeds of $1,237,500.00.
• Post-Transaction Holdings: Richardson holds 3,178 shares of Class A Common Stock directly and retains 22,503 unexercised stock options.

Plan & Governance Context

• The sale was conducted pursuant to a pre-arranged Rule 10b5-1 trading plan established on June 4, 2026.
• Because the transactions were executed automatically under a scheduled 10b5-1 plan following an option exercise, the trading significance is evaluated as Low.