Alexis Le-Quoc, Chief Technology Officer and Director of Datadog, Inc. (NASDAQ:DDOG), filed a Form 4 on October 30, 2026, disclosing transactions in Class A Common Stock and Class B Common Stock dated October 28, 2026.

Key Highlights

  • Class B conversion: Le-Quoc converted 43,224 shares of Class B Common Stock into 43,224 shares of Class A Common Stock at $0 on October 28, 2026.
  • Shares sold: A total of 43,224 shares of Class A Common Stock were disposed of across nine tranches on October 28, 2026, pursuant to a 10b5-1 plan.
  • Price range: The weighted-average sale prices across the nine tranches ranged from $276.3801 to $284.334, with individual share prices spanning $275.73 to $284.81.
  • Post-transaction direct holdings: Following all reported transactions, Le-Quoc directly held 488,033 shares of Class A Common Stock.
  • Indirect holdings: Le-Quoc also holds 169 shares of Class A Common Stock and 6,146,835 shares of Class B Common Stock indirectly through the Alexis Le-Quoc Revocable Trust.
  • 10b5-1 plan: The sales were made pursuant to a Rule 10b5-1 plan dated June 13, 2025.

Alexis Le-Quoc's October 28 Class B Conversion and Class A Sales at Datadog

According to the filing, Le-Quoc first converted 43,224 shares of Class B Common Stock into an equal number of Class A Common Stock shares at a price of $0 on October 28, 2026. The filing notes that 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. Automatic conversion occurs upon transfer outside permitted categories, death of the reporting person, or the tenth anniversary of the issuer's initial public offering of its Class A Common Stock.

Following the conversion, the filing reports that Le-Quoc disposed of a combined 43,224 shares of Class A Common Stock across nine separate sale tranches on the same date, all executed under a 10b5-1 plan dated June 13, 2025. The tranches and their weighted-average prices were: 5,670 shares at $276.3801, 11,430 shares at $277.3003, 10,324 shares at $278.2696, 3,480 shares at $279.1527, 2,874 shares at $280.4633, 3,529 shares at $281.5381, 2,717 shares at $282.3153, 2,700 shares at $283.4446, and 500 shares at $284.334. Each reported price is a weighted-average, and the filing states that full information regarding shares sold at each separate price will be provided upon request to the SEC, the issuer, or a security holder.

After all reported transactions, the filing discloses that Le-Quoc directly beneficially owned 488,033 shares of Class A Common Stock. Additionally, 169 shares of Class A Common Stock and 6,146,835 shares of Class B Common Stock are held indirectly through the Alexis Le-Quoc Revocable Trust. Le-Quoc also retains 2,073,582 Class B shares directly following the reported conversion. The filing was signed by Kerry Acocella as attorney-in-fact on October 30, 2026.

What Was Disclosed

Datadog CTO Alexis Le-Quoc reported the conversion of 43,224 Class B shares into Class A shares and the subsequent sale of all 43,224 resulting Class A shares across nine tranches on October 28, 2026, under a pre-established 10b5-1 plan dated June 13, 2025.