Alexis Le-Quoc, Chief Technology Officer and Director of Datadog, Inc. (NASDAQ:DDOG), filed a Form 4 on September 3, 2026, reporting multiple transactions in Class A Common Stock on September 1, 2026, including conversions of Class B shares and open-market sales executed under a pre-established 10b5-1 plan.

Key Highlights

  • Shares sold: Le-Quoc disposed of a total of 53,912 shares of Class A Common Stock across 13 separate sale transactions on September 1, 2026.
  • Price range: Sales were executed at weighted-average prices ranging from $223.586 to $236.05 per share, with individual transaction ranges spanning $223.11 to $236.05.
  • 10b5-1 plan: All sales were made pursuant to a Rule 10b5-1 plan dated June 13, 2025, according to the filing.
  • Class B conversions: Le-Quoc converted 53,912 shares of Class B Common Stock into 53,912 shares of Class A Common Stock at $0, and separately converted Class B shares via a stock option exercise of 18,750 shares at an exercise price of $10.74.
  • Resulting direct ownership: Following all reported transactions, Le-Quoc directly held 509,805 shares of Class A Common Stock and 2,203,254 shares of Class B Common Stock.
  • Indirect holdings: The Alexis Le-Quoc Revocable Trust held 169 shares of Class A Common Stock and 6,146,835 shares of Class B Common Stock indirectly.

Datadog CTO Transaction Details: Conversions, Option Exercise, and Planned Sales

According to the filing, Le-Quoc first exercised a fully vested stock option for 18,750 shares of Class B Common Stock at an exercise price of $10.74, with the derivative security originally set to expire on July 19, 2029 and reported at a derivative price of $0. He then converted 53,912 shares of Class B Common Stock into an equivalent number of Class A Common Stock shares at no cost, as each Class B share is convertible at any time at the option of the reporting person into one share of Class A Common Stock with no expiration date, per the filing's explanation of responses.

The 13 open-market sale transactions were all executed on September 1, 2026, under a 10b5-1 trading plan dated June 13, 2025. Weighted-average sale prices across the transactions ranged from $223.586 for the first tranche of 11,367 shares to $236.05 for the final tranche of 400 shares. The filing notes that full information on shares sold at each separate price within each tranche is available upon request to the SEC, the issuer, or a security holder of the issuer.

The filing also discloses that Class B Common Stock will automatically convert into Class A Common Stock upon any non-permitted transfer, the death of the reporting person, or the tenth anniversary of Datadog's initial public offering of its Class A Common Stock, as described in the issuer's amended and restated certificate of incorporation.

What Was Disclosed

The filing reports that Datadog CTO Alexis Le-Quoc converted Class B shares, exercised a stock option, and sold 53,912 Class A shares on September 1, 2026, under a pre-existing 10b5-1 plan, leaving him with direct ownership of 509,805 Class A and 2,203,254 Class B shares.