Form 4: Datadog Director Converts, Gifts Shares to Charity

Datadog Director Michael James Callahan converted Class B shares to Class A and subsequently gifted a portion to a donor-advised fund.

Summary

• Datadog, Inc. Director Michael James Callahan reported transactions involving Class A and Class B Common Stock on December 12, 2025.
• Callahan converted 15,000 shares of Class B Common Stock into 15,000 shares of Class A Common Stock.
• Following the conversion, 15,000 shares of Class A Common Stock were gifted to a donor-advised fund for charitable purposes.
• All reported transactions were executed at a price of $0 per share.
• The shares involved in these transactions are held indirectly by The Callahan-Thernstrom Family Trust, of which Mr. Callahan is Trustee.
• After these transactions, Mr. Callahan's indirect beneficial ownership by trust includes 12,496 shares of Class A Common Stock and 240,542 shares of Class B Common Stock.
• Mr. Callahan also directly owns 19,612 shares of Class A Common Stock, which were not affected by these reported transactions.

Sentiment

Score: 5

Explanation: The sentiment is neutral. While a director reducing beneficial ownership can be seen as slightly negative, the reduction is due to a charitable gift, which is generally viewed neutrally or positively. The conversion itself is a technical, non-eventful transaction.

Positives

• The gifting of shares to a donor-advised fund demonstrates philanthropic activity by a company director, which can be viewed positively from a corporate social responsibility perspective.

Negatives

• The net effect of the transactions is a reduction in the director's overall beneficial ownership by 15,000 shares (from Class B to Class A, then gifted), which could be interpreted as a slight decrease in insider alignment, although for charitable purposes.

Future Outlook

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

Industry Context

This Form 4 filing is a routine disclosure of an insider transaction and does not provide information directly related to broader industry trends or competitive landscape for Datadog, Inc. It reflects an individual director's equity management decisions.

Stakeholder Impact

• Shareholders: A minor reduction in a director's beneficial ownership, though for charitable purposes, might be noted by investors. However, it is unlikely to significantly impact shareholder sentiment or company valuation.
• Community/Charitable Organizations: The donor-advised fund and its beneficiaries will receive the gifted shares, supporting their charitable missions.

Key Dates

Keywords

Datadog, DDOG, Insider Transaction, Form 4, Beneficial Ownership, Stock Conversion, Charitable Gift, Director, Equity