InsiderTrades

Form 4 for DDOG Datadog

Accepted 2025-10-16 00:00:00 ET · period of report 2025-10-14 · accession 0001561550-25-000302 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
DI 2025-10-16 2025-10-14 DDOG Callahan Michael James Dir C - Cnv Deriv $0.00 +8,333 20.8K +67% $0
DI 2025-10-16 2025-10-14 DDOG Callahan Michael James Dir S - Sale $160.55 -8,333 12.5K -40% -$1.34M
DI 2025-10-16 2025-10-14 DDOG Callahan Michael James Dir C - Cnv Deriv $0.00 -8,333 268.0K -3% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Class A Common Stock 2025-10-14 C A 8,333 $0.00 20,829 I By Trust — — (F2) The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee.
2 Common Class A Common Stock 2025-10-14 S D 8,333 $160.55 12,496 I By Trust — — (F4) Price reported is a weighted-average sales price. The shares were sold at prices ranging from $160 to $160.63. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price. (F2) The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee.
3 Derivative Class B Common Stock 2025-10-14 C D 8,333 $0.00 268,042 I By Trust — · — to — 8,333 Class A Common Stock (F2) The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee. (F1) 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. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earliest of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's amended and restated certificate of incorporation, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock