Datadog (DDOG) director-linked trust converts 5,000 Class B shares to Class A
Rhea-AI Filing Summary
Datadog, Inc. director Michael James Callahan reported an internal share conversion involving a family trust. The Callahan-Thernstrom Family Trust converted 5,000 shares of Class B Common Stock into 5,000 shares of Class A Common Stock, with no sale and a stated price of $0.0000 per share.
After the conversion, the trust held 17,496 shares of Class A Common Stock and 235,542 shares of Class B Common Stock indirectly. Separately, Callahan reported a direct holding entry of 19,612 Class A Common shares. Each Class B share is convertible into one Class A share and will also automatically convert upon certain transfers, the reporting person’s death in specified cases, or the tenth anniversary of Datadog’s initial public offering.
Positive
- None.
Negative
- None.
Insider Trade Summary
Net Buyer: 5,000 shares
Net Buy
3 txns
Insider
Callahan Michael James
Role
Director
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Conversion | Class B Common Stock | 5,000 | $0.00 | $0.00 |
| Conversion | Class A Common Stock | 5,000 | $0.00 | $0.00 |
| holding | Class A Common Stock | -- | -- | -- |
Holdings After Transaction:
Class B Common Stock — 235,542 shares (Indirect, By Trust);
Class A Common Stock — 17,496 shares (Indirect, By Trust);
Class A Common Stock — 19,612 shares (Direct)
Footnotes (2)
- 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.
Key Figures
Converted shares: 5,000 shares Class B to Class A
Trust Class A holdings: 17,496 shares
Trust Class B holdings: 235,542 shares
+2 more
5 metrics
Converted shares
5,000 shares Class B to Class A
Conversion of derivative security on 2026-05-12
Trust Class A holdings
17,496 shares
Class A Common Stock held indirectly by trust after transaction
Trust Class B holdings
235,542 shares
Class B Common Stock held indirectly by trust after transaction
Direct Class A holdings
19,612 shares
Class A Common Stock held directly after holding entry
Conversion price
$0.0000 per share
Reported transaction price for 5,000-share conversion
Key Terms
Class B Common Stock, Class A Common Stock, Conversion of derivative security, By Trust, +2 more
6 terms
Class B Common Stock financial
"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"
A class B common stock is one of multiple types of a company’s ordinary shares that carries specific rights—often different voting power or dividend priority—compared with other classes. For investors it matters because those differences affect how much influence you have over company decisions, the income you might receive, and how freely the shares trade; think of it like owning a car with different keys: some keys let you start the engine and open the trunk, others only unlock the door.
Class A Common Stock financial
"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"
Class A common stock is a category of a company’s shares that carries a specific set of ownership rights—most commonly defined voting power and claims on dividends—set out in the company’s charter. For investors it matters because the class determines how much influence you have over corporate decisions, the share’s likely dividend and trading behavior, and how it compares in value to other share classes, like choosing a particular seat with different privileges at the company’s decision-making table.
Conversion of derivative security financial
"transaction_code_description: Conversion of derivative security"
By Trust financial
"nature_of_ownership: By Trust"
initial public offering financial
"the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock"
An initial public offering (IPO) is when a private company first sells its shares to the public and becomes a stock-listed company. It matters because it allows the company to raise money from a wide range of investors, helping it grow, while giving early shareholders a way to sell some of their ownership.
Permitted Transfers financial
"except for certain "Permitted Transfers" as defined in the Issuer's amended and restated certificate of incorporation"
AI-generated analysis. How Rhea-AI works. Not financial advice.
FAQ
What did Datadog (DDOG) director Michael James Callahan report in this Form 4?
He reported an internal share conversion via a family trust. The trust converted 5,000 Class B Common shares into 5,000 Class A Common shares, with no open-market sale and a reported per-share price of $0.0000.
What direct Datadog (DDOG) holdings did Michael James Callahan report after the transaction?
He reported direct ownership of 19,612 shares of Datadog Class A Common Stock. This figure appears in a holding entry that shows his direct position following the date of the reported conversion transaction.