Transaction #20730 · Form 4 · 0001561550-25-000358
Datadog, Inc. · Conversion · Class A Common Stock
Datadog, Inc. · Transacted December 12, 2025 · Filed December 16, 2025
What does this filing report?
An SEC Form 4 filing for Datadog, Inc. records a conversion involving Class A Common Stock on December 12, 2025. The reported quantity was 15,000. The filing date is December 16, 2025. This is one transaction record; amounts are not allocated among any joint reporting owners.
The acquisition category describes how securities were received. It does not by itself establish a cash purchase of common stock. Read the transaction code definitionsand the original filing before interpreting the amounts.
Transaction details
- Company
- Datadog, Inc.
- Company CIK
- 0001561550
- Security type
- Non-derivative
- Acquisition type
- Conversion · Code C
- Quantity acquired
- 15,000
- Reported price
- 0
- Reference value
- 0
- Currency
- Currency not specified
- Ownership
- Indirect
- Holdings after transaction
- 27,496
- Ownership description
- By Trust
- SEC acceptance time
- Dec 16, 2025, 4:10 PM EST
- 10b5-1 indication
- Not indicated
Reference value is reported quantity × reported price. It is not a confirmed cash payment or an estimate of a derivative's economic value. A missing currency is not assumed to be USD.
Reporting owners
- Callahan Michael James ↗
Director
CIK 0001784030
These are the reporting owners named in the filing. Quantities and amounts are not allocated among co-reporters. Roles reflect this filing, not a current profile.
Company listings
This transaction is not mapped to a specific company listing.
Filing footnotes & remarks
- 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.
- F2
- The Shares are held by The Callahan-Thernstrom Family Trust, of which Reporting Person is Trustee.
- F3
- Shares donated to a donor-advised fund, which will use the gifted shares for charitable purposes.
Footnotes are reproduced as plain text from the current source filing. For the full context, read the original SEC filing.
This record was updated Eastern Time. This is the stored record update time, not the transaction date. Report a correction.