Datadog director trust sells 12,500 shares
Accepted by SEC EDGAR
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Form Type
4
Rhea-AI Filing Summary
Datadog, Inc. director Michael James Callahan reported that The Callahan-Thernstrom Family Trust converted 12,500 shares of Class B Common Stock into 12,500 Class A shares on August 4, 2026, then sold those 12,500 Class A shares at $287.4700 per share under a Rule 10b5-1 plan dated March 13, 2026. Following these transactions, the trust holds 85,542 Class B shares, and Callahan directly holds 20,684 Class A shares.
Insider Trade Summary 10b5-1
Exercise and sale activity reported; no spread calculated
Exercise and Sale
3 txns
Insider
Callahan Michael James
Role
Director
Sold
12,500 shs ($3.59M)
Approx. gross sale proceeds
$3.59M
Share of Position Sold
45.5%
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Conversion | Class B Common Stock F1, F2 | 12,500 | $0.00 | $0.00 |
| Conversion | Class A Common Stock F1, F2 | 12,500 | $0.00 | $0.00 |
| Sale | Class A Common Stock F3, F2 | 12,500 | $287.47 | $3.59M |
| Holding | Class A Common Stock | -- | -- | -- |
Holdings After Transaction:
Class B Common Stock — 85,542 shares (Indirect, By Trust);
Class A Common Stock — 14,996 shares (Indirect, By Trust);
Class A Common Stock — 20,684 shares (Direct)
Holdings Before and After:
Class B Common Stock, 98,042 to 85,542 shares (Indirect, By Trust);
Class A Common Stock, 14,996 to 14,996 shares (Indirect, By Trust)
Other Insiders: 3 other insiders reported open-market sales of this stock in the 30 days up to this filing.
Footnotes (3)
- 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 sold pursuant to a 10b5-1 plan dated March 13, 2026.
Key Figures
Shares converted: 12500.0000 shares
Shares sold: 12500.0000 shares
Sale price: $287.4700 per share
+3 more
6 metrics
Shares converted
12500.0000 shares
Class B Common Stock converted into Class A Common Stock on August 4, 2026
Shares sold
12500.0000 shares
Class A Common Stock sold by The Callahan-Thernstrom Family Trust on August 4, 2026
Sale price
$287.4700 per share
Price for the 12,500 Class A shares sold on August 4, 2026
Trust Class B holdings
85542.0000 shares
Class B Common Stock held by The Callahan-Thernstrom Family Trust after transactions
Direct Class A holdings
20684.0000 shares
Class A Common Stock held directly by Michael James Callahan after transactions
Net shares sold
12500 shares
Net buy/sell shares across reported transactions (net-sell direction)
Key Terms
Rule 10b5-1 plan, Class B Common Stock, Permitted Transfers, amended and restated certificate of incorporation
4 terms
Rule 10b5-1 plan regulatory
"Shares sold pursuant to a 10b5-1 plan dated March 13, 2026."
A Rule 10b5-1 plan is a prearranged, written schedule that lets corporate insiders buy or sell company stock at set times or amounts, even if they later learn material nonpublic information. Think of it like setting an automatic thermostat for trades: it creates a clear record that trades were planned in advance, reducing the risk of insider-trading accusations and helping investors trust that insider transactions are routine rather than based on secret information.
Class B Common Stock financial
"Each share of Class B Common Stock is convertible at any time at the option"
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.
Permitted Transfers regulatory
"except for certain "Permitted Transfers" as defined in the Issuer's amended"
amended and restated certificate of incorporation regulatory
"as defined in the Issuer's amended and restated certificate of incorporation"
A company’s amended and restated certificate of incorporation is an updated version of its foundational legal charter that replaces the older document and folds in all changes into one clear copy; it spells out corporate structure, classes of stock, shareholder rights and key governance rules. Investors care because it can change who controls the company, how votes are counted, what claims shareholders have on assets or dividends, and can introduce or remove protections against takeovers—like updating a house title after a major renovation to show who owns what and under what rules.
FAQ
AI-generated questions and answers. How Rhea-AI works. Not financial advice.
What insider transactions did Datadog (DDOG) director Michael James Callahan report?
Michael James Callahan reported that his family trust converted 12,500 Class B shares into 12,500 Class A shares, then sold those 12,500 Class A shares at $287.4700 per share on August 4, 2026, under a Rule 10b5-1 trading plan.
AI-generated analysis. How Rhea-AI works. Not financial advice.
