Form 4: Datadog General Counsel Sells Shares Under 10b5-1 Plan

Datadog's General Counsel and Secretary, Kerry Acocella, sold 3,938 shares of Class A Common Stock on December 5, 2025, under a pre-arranged 10b5-1 trading plan.

Summary

• Kerry Acocella, Datadog, Inc.'s General Counsel and Secretary, disposed of a total of 3,938 shares of Class A Common Stock.
• The transactions occurred on December 5, 2025, and were executed pursuant to a Rule 10b5-1 trading plan, which was modified on May 30, 2025.
• One block of 2,238 shares was sold at a weighted-average price of $150.8607 per share, with individual sales ranging from $150.48 to $151.42.
• A second block of 1,500 shares was sold at a weighted-average price of $151.9109 per share, with individual sales ranging from $151.49 to $152.45.
• A third block of 200 shares was sold at a weighted-average price of $152.71 per share, with individual sales ranging from $152.64 to $152.78.
• Following these transactions, Kerry Acocella beneficially owns 84,463 shares of Datadog Class A Common Stock directly.

Sentiment

Score: 4

Explanation: The sentiment is slightly negative due to an insider sale, even though it was executed under a pre-arranged 10b5-1 plan. While 10b5-1 plans reduce the immediate negative signal, any insider selling can still be interpreted with caution by the market.

Positives

• The sales were conducted under a Rule 10b5-1 trading plan, indicating pre-scheduled, non-discretionary transactions, which enhances transparency and mitigates concerns about opportunistic insider selling.

Negatives

• An officer selling a notable number of shares, even under a 10b5-1 plan, can sometimes be perceived by investors as a slight negative signal regarding future growth prospects or valuation, although it is often for personal financial planning or diversification.

Risks

• The market's perception of insider selling, regardless of a 10b5-1 plan, could lead to short-term negative sentiment or increased scrutiny on the company's stock performance.

Future Outlook

This filing does not contain any forward-looking statements or guidance regarding the company's future performance.

Industry Context

Insider transactions are a routine aspect of public company operations, particularly for executives managing their personal portfolios and compensation. These sales by a General Counsel are typical for diversification and liquidity, especially when executed under a pre-arranged 10b5-1 plan, which is a common practice across the technology industry for managing stock-based compensation.

Stakeholder Impact

• Shareholders may view the insider selling with slight caution, although the 10b5-1 plan mitigates concerns about discretionary selling based on new, undisclosed information.

Key Dates

Recommendation

The sale by Datadog's General Counsel is a routine transaction executed under a pre-arranged 10b5-1 plan, which suggests it is not based on new, material non-public information. While insider selling can sometimes create a minor headwind for sentiment, this specific transaction does not provide a strong enough signal to warrant a change from a 'hold' recommendation, assuming the company's fundamentals remain sound.

Keywords

Datadog, DDOG, Insider Sale, Form 4, Kerry Acocella, Stock Transaction, 10b5-1 Plan, Officer Sale