Callahan Michael James 4

What Happened
Michael James Callahan, a Datadog (DDOG) director, disposed of 2,500 shares on May 15, 2026 by gifting them (transaction code G). The shares were transferred at $0.00 per share (total proceeds $0) for charitable purposes.

Key Details

• Transaction date: 2026-05-15; Filing date: 2026-05-19. (Form 4s are generally due within two business days—this filing was four days after the transaction.)
• Amount: 2,500 shares gifted; price per share reported as $0.00; total reported proceeds $0.
• Post-transaction holdings: Not specified in this filing; the reporting person notes related shares are held by The Callahan‑Thernstrom Family Trust (Reporting Person is Trustee) [F2].
• Footnotes: F1 — Shares donated to a donor‑advised fund for charitable purposes. F2 — Some shares are held by The Callahan‑Thernstrom Family Trust, of which the reporting person is trustee.
• Transaction type: Gift (disposition), not a sale or purchase — no market proceeds and not a direct signal of insider sentiment.

Context
Gifts to donor‑advised funds are common charitable actions by insiders and do not necessarily reflect views on the company’s outlook. Because this was a gift (not an open‑market sale), it should be interpreted as a charitable disposition rather than a trading decision to realize cash.