[144] Datadog, Inc. SEC Filing

Rhea-AI Filing Summary

Datadog, Inc. (DDOG) filed a Form 144 notice reporting a proposed sale of securities under Rule 144. The filing indicates 18 Class A common shares are proposed to be sold with an aggregate market value of $2,416.14, against 323,270,704 shares outstanding. The approximate sale date is 09/18/2025 and the sale is expected on NASDAQ. The filer states these 18 shares were acquired on 04/07/2021 through previously exercised stock options and paid in cash. The filing also discloses multiple Rule 10b5-1 sales in the past three months by related parties, including trades on 09/15/2025, 09/16/2025, 09/17/2025, and 06/25/2025, across which 110,929 shares were sold for aggregate gross proceeds of $15,015,226.51. The notice includes the standard representation that the seller is not aware of undisclosed material adverse information.

Positive

• Acquisition details disclosed: The 18 shares were acquired on 04/07/2021 via previously exercised stock options and paid in cash.
• Regulatory compliance: The filer included the seller representation about no undisclosed material adverse information and disclosed recent 10b5-1 activity, reflecting procedural transparency.

Negative

• Significant recent insider sales disclosed: Related parties executed 10b5-1 sales totaling 110,929 shares in the past three months for gross proceeds of $15,015,226.51.
• Potential market perception risk: Multiple disclosed insider plan sales may draw investor attention despite the small size of the current proposed sale.

Insights

Securities Analyst

TL;DR: Routine insider sale notice; small proposed sale and recent 10b5-1 activity disclosed, no new operational details.

The Form 144 is a standard regulatory notice of proposed sale under Rule 144. It reports a planned sale of 18 Class A common shares with an aggregate market value of $2,416.14 and cites acquisition via exercised options on 04/07/2021 paid in cash. The filing also itemizes recent Rule 10b5-1 sales by related parties totaling 110,929 shares and $15,015,226.51 in gross proceeds. From a market-impact perspective, the proposed sale size is negligible relative to the 323,270,704 shares outstanding, and the disclosure is procedural rather than operational. No earnings, guidance, or material corporate events are disclosed in this filing.

Corporate Governance Expert

TL;DR: Compliance-focused filing showing adherence to Rule 144 and disclosure of pre-planned 10b5-1 sales.

The notice documents compliance with Rule 144 requirements, including the seller's representation regarding material non-public information and the date of acquisition for the shares to be sold. Multiple 10b5-1 sales by a family trust and an individual are listed with dates and gross proceeds, indicating both planned trading activity and disclosure transparency. The filing does not include any statements about changes in control, executive departures, or governance actions. Its primary significance is regulatory transparency rather than a change in corporate governance.

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Class A Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	18	2416.14	323270704	09/18/2025	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	04/07/2021	Previously Exercised Stock Options	Issuer			18	04/07/2021	Cash

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
10b5-1 Sales for AGARWAL 2018 FAMILY TRUST 620 8th Avenue, 45th Floor New York NY 10018	Class A Common	09/17/2025	10094	1356208.64
10b5-1 Sales for AGARWAL 2018 FAMILY TRUST 620 8th Avenue, 45th Floor New York NY 10018	Class A Common	09/16/2025	33333	4493188.40
10b5-1 Sales for AGARWAL 2018 FAMILY TRUST 620 8th Avenue, 45th Floor New York NY 10018	Class A Common	09/15/2025	44444	6148307.41
10b5-1 Sales for AMIT AGARWAL 620 8th Avenue, 45th Floor New York NY 10018	Class A Common	06/25/2025	23058	3017522.06

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does Datadog's (DDOG) Form 144 report?

The Form 144 reports a proposed sale of 18 Class A common shares valued at $2,416.14, with an approximate sale date of 09/18/2025 on NASDAQ.

How and when were the 18 shares being sold acquired?

The 18 shares were acquired on 04/07/2021 through previously exercised stock options and payment was made in cash.

Were there any recent insider or 10b5-1 sales disclosed for DDOG?

Yes. The filing lists four 10b5-1 sales on 09/15/2025, 09/16/2025, 09/17/2025, and 06/25/2025 totaling 110,929 shares for $15,015,226.51 in gross proceeds.

What is the total number of Datadog shares outstanding reported in the filing?

The filing reports 323,270,704 shares outstanding.

Does the filing state any undisclosed material information about Datadog?

The filer represents that they do not know any material adverse information about the issuer that has not been publicly disclosed, per the standard Form 144 statement.