STOCK TITAN

Datadog (DDOG) director’s family trust sells 20,000 shares under 10b5-1 plan

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Datadog, Inc. director Amit Agarwal reported an exercise-and-sell transaction through a family trust. On April 8, 2026, the Agarwal 2018 Family Trust converted 20,000 shares of Class B Common Stock into 20,000 shares of Class A Common Stock and then sold those 20,000 Class A shares at $122.28 per share in an open-market trade.

The sale was executed under a Rule 10b5-1 trading plan dated December 8, 2025, indicating it was pre‑scheduled. After these transactions, the trust retains 1,640 Class A shares and continues to hold sizable indirect positions in Class B shares that are convertible into 603,464 and 53,063 underlying Class A shares, while Agarwal also holds 27,999 Class A shares directly.

Positive

  • None.

Negative

  • None.
Insider Agarwal Amit
Role Director
Sold 20,000 shs ($2.45M)
Type Security Shares Price Value
Conversion Class B Common Stock 20,000 $0.00 --
Conversion Class A Common Stock 20,000 $0.00 --
Sale Class A Common Stock 20,000 $122.28 $2.45M
holding Class B Common Stock -- -- --
holding Class B Common Stock -- -- --
holding Class A Common Stock -- -- --
holding Class A Common Stock -- -- --
Holdings After Transaction: Class B Common Stock — 490,059 shares (Indirect, By Trust); Class A Common Stock — 21,640 shares (Indirect, By Trust); Class A Common Stock — 27,999 shares (Direct)
Footnotes (1)
  1. 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. Shares are held directly by Agarwal 2018 Family Trust, of which the Reporting Person's spouse is Trustee. Shares sold pursuant to a 10b5-1 plan dated December 8, 2025. Shares are held directly by Agarwal 2019 Family Trust, of which the Reporting Person's spouse is Trustee. Shares are held by Reporting Person's spouse.
Shares sold 20,000 shares Class A Common Stock sold on April 8, 2026
Sale price $122.28 per share Open-market sale of 20,000 Class A shares
Shares converted 20,000 shares Class B converted into Class A on April 8, 2026
Trust Class A holding 1,640 shares Class A Common Stock held indirectly by trust after transactions
Convertible Class B (Trust) 603,464 underlying shares Class B held indirectly, convertible into Class A
Convertible Class B (Spouse) 53,063 underlying shares Class B held indirectly by spouse, convertible into Class A
Direct Class A holding 27,999 shares Class A Common Stock held directly by Amit Agarwal
Class B Common Stock financial
"Each share of Class B Common Stock is convertible at any time"
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
"into one share of Class A Common Stock and has no expiration date"
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.
10b5-1 plan financial
"Shares sold pursuant to a 10b5-1 plan dated December 8, 2025."
A 10b5-1 plan is a pre-arranged strategy that allows company insiders to buy or sell their shares at predetermined times and prices, even while they are aware of confidential information. It acts like a scheduled appointment for trading, helping ensure transactions happen transparently and legally, which can reassure investors that trades are not based on insider knowledge.
Permitted Transfers financial
"except for certain "Permitted Transfers" as defined in the Issuer's amended"
derivative security financial
"transaction_code_description": "Conversion of derivative security""
A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.
SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
X
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Agarwal Amit

(Last)(First)(Middle)
C/O DATADOG, INC.
620 8TH AVENUE, 45TH FLOOR

(Street)
NEW YORK NEW YORK 10018

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
Datadog, Inc. [ DDOG ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
04/08/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Class A Common Stock04/08/2026C20,000A(1)21,640IBy Trust(2)
Class A Common Stock04/08/2026S(3)20,000D$122.281,640IBy Trust(2)
Class A Common Stock6,541IBy Trust(4)
Class A Common Stock27,999D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Class B Common Stock(1)04/08/2026C20,000 (1) (1)Class A Common Stock20,000$0490,059IBy Trust(2)
Class B Common Stock(1) (1) (1)Class A Common Stock603,464603,464IBy Trust(4)
Class B Common Stock(1) (1) (1)Class A Common Stock53,06353,063IBy Spouse(5)
Explanation of Responses:
1. 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.
2. Shares are held directly by Agarwal 2018 Family Trust, of which the Reporting Person's spouse is Trustee.
3. Shares sold pursuant to a 10b5-1 plan dated December 8, 2025.
4. Shares are held directly by Agarwal 2019 Family Trust, of which the Reporting Person's spouse is Trustee.
5. Shares are held by Reporting Person's spouse.
Remarks:
/s/ Kerry Acocella, Attorney-in-Fact04/10/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transactions did Datadog (DDOG) director Amit Agarwal report?

Agarwal reported a trust-related conversion and sale. The Agarwal 2018 Family Trust converted 20,000 Class B shares into 20,000 Class A shares, then sold all 20,000 Class A shares at $122.28 per share on April 8, 2026, in an open‑market transaction.

How many Datadog (DDOG) shares did the trust linked to Amit Agarwal sell?

The Agarwal 2018 Family Trust sold 20,000 shares of Datadog Class A Common Stock. These shares were first obtained by converting 20,000 Class B shares, then sold at $122.28 per share in an open‑market or private transaction on April 8, 2026.

Was Amit Agarwal’s Datadog (DDOG) share sale under a 10b5-1 plan?

Yes. The filing states that the 20,000 Datadog Class A shares were “sold pursuant to a 10b5-1 plan dated December 8, 2025.” This indicates the transaction was pre‑planned rather than timed discretionarily with market conditions.

What Datadog (DDOG) holdings remain after Amit Agarwal’s reported transactions?

After the transactions, the Agarwal 2018 Family Trust holds 1,640 Class A shares, while related entities hold Class B shares convertible into 603,464 and 53,063 Class A shares. Amit Agarwal also directly holds 27,999 Class A shares, according to the reported ownership tables.

What is the relationship between Datadog (DDOG) Class B and Class A shares in this filing?

Each Class B share is convertible into one Class A share at any time at the holder’s option and has no expiration date. Class B shares also automatically convert to Class A upon certain transfers, the reporting person’s death, or the tenth anniversary of Datadog’s IPO.

Who actually holds the Datadog (DDOG) shares involved in Amit Agarwal’s Form 4?

Many shares are held indirectly. The converted and sold shares were held by the Agarwal 2018 Family Trust, where Agarwal’s spouse serves as trustee. Additional Class B positions are held by the Agarwal 2019 Family Trust and by Agarwal’s spouse, all reported as indirect ownership.