SEC FORM 3 SEC Form 3
FORM 3 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
 
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1. Name and Address of Reporting Person*
Shah Shardul

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

(Street)
NEW YORK NY 10018

(City) (State) (Zip)
2. Date of Event Requiring Statement (Month/Day/Year)
09/18/2019
3. Issuer Name and Ticker or Trading Symbol
Datadog, Inc. [ DDOG ]
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X Director 10% Owner
Officer (give title below) Other (specify below)
5. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock 853,776(1)(2) I See footnote(3)
Common Stock 13,002(1)(2) I See footnote(4)
Table II - Derivative Securities Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4) 2. Date Exercisable and Expiration Date (Month/Day/Year) 3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Series Seed Preferred Stock (1) (1) See footnotes(1)(2) 2,897,346 (1) I See footnote(3)
Series B Preferred Stock (1) (1) See footnotes(1)(2) 221,328 (1) I See footnote(3)
Series C Preferred Stock (1) (1) See footnotes(1)(2) 835,680 (1) I See footnote(3)
Series D Preferred Stock (1) (1) See footnotes(1)(2) 8,288,724 (1) I See footnote(3)
Series A Preferred Stock (1) (1) See footnotes(1)(2) 19,356,168 (1) I See footnote(5)
Series B Preferred Stock (1) (1) See footnotes(1)(2) 7,259,472 (1) I See footnote(5)
Series C Preferred Stock (1) (1) See footnotes(1)(2) 10,949,568 (1) I See footnote(5)
Series D Preferred Stock (1) (1) See footnotes(1)(2) 1,350,528 (1) I See footnote(5)
Series A Preferred Stock (1) (1) See footnotes(1)(2) 390,708 (1) I See footnote(6)
Series B Preferred Stock (1) (1) See footnotes(1)(2) 146,532 (1) I See footnote(6)
Series C Preferred Stock (1) (1) See footnotes(1)(2) 221,016 (1) I See footnote(6)
Series D Preferred Stock (1) (1) See footnotes(1)(2) 27,264 (1) I See footnote(6)
Series Seed Preferred Stock (1) (1) See footnotes(1)(2) 44,121 (1) I See footnote(4)
Series A Preferred Stock (1) (1) See footnotes(1)(2) 249,960 (1) I See footnote(4)
Series B Preferred Stock (1) (1) See footnotes(1)(2) 97,104 (1) I See footnote(4)
Series C Preferred Stock (1) (1) See footnotes(1)(2) 154,128 (1) I See footnote(4)
Series D Preferred Stock (1) (1) See footnotes(1)(2) 143,652 (1) I See footnote(4)
Explanation of Responses:
1. The Preferred Stock is convertible into Common Stock on a 1:1 basis and has no expiration date. Immediately prior to the closing of the Issuer's initial public offering, (1) all shares of Preferred Stock will be automatically converted into shares of Common Stock on a 1:1 basis and (2) all shares of Common Stock shall then be reclassified into one share of Class B Common Stock on a 1:1 basis.
2. After the completion of the Issuer's initial public offering, on any transfer of shares of Class B common stock, whether or not for value, each such transferred share will automatically convert into one share of Class A common stock, except for certain transfers described in the Issuer's amended and restated certificate of incorporation, including transfers for tax and estate planning purposes, so long as the transferring holder continues to hold sole voting and dispositive power with respect to the shares transferred. Additionally, the shares of Class B common stock will convert automatically into Class A common stock, on a 1:1 basis, upon the tenth anniversary of the Issuer's initial public offering.
3. The shares are held by Index Ventures Growth III (Jersey), L.P. ("Index Growth III"). Index Venture Growth Associates III Limited ("IVGA III") is the managing general partner of Index Growth III. The Reporting Person is a partner within the Index Ventures group. Advisors within the Index Ventures group provide advice to each of Index Growth III, Index Ventures VI (Jersey) L.P. ("Index VI"), and Index Ventures VI Parallel Entrepreneur Fund (Jersey), L.P. ("Index VI Parallel" and together with Index Growth III and Index VI, the "Funds"). The Reporting Person disclaims Section 16 beneficial ownership of these securities, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for Section 16 or any other purpose.
4. The shares are held by Yucca (Jersey) SLP ("Yucca"). Yucca is the administrator of the Index co-investment vehicles that are contractually required to mirror the relevant Fund's investment in the issuer (in this case, Index Growth III, Index VI and Index VI Parallel). The Reporting Person disclaims Section 16 beneficial ownership of such shares except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by him for Section 16 or any other purpose.
5. The shares are held by Index VI. Index Venture Associates VI Limited ("IVA VI") is the managing general partner of Index VI. The Reporting Person disclaims Section 16 beneficial ownership of such shares except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by him for Section 16 or any other purpose.
6. The shares are held by Index VI Parallel. IVA VI is the managing general partner of Index VI Parallel. The Reporting Person disclaims Section 16 beneficial ownership of these securities, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for Section 16 or any other purpose.
Remarks:
Shardul Shah, by /s/ Ron A. Metzger, Attorney-in-Fact 09/18/2019
** Signature of Reporting Person Date
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 5 (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).
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POWER OF ATTORNEY

	Know all by these presents, that the undersigned hereby constitutes and
appoints Kerry Acocella of Datadog, Inc. and Jodie M. Bourdet, Alison Haggerty,
Nicole Brookshire and Ron A. Metzger of Cooley LLP, or any of them signing
singly, with full power of substitution, the undersigned's true and lawful
attorney in fact to:
(1)		prepare, execute in the undersigned's name and on the undersigned's behalf,
and submit to the U.S. Securities and Exchange Commission (the "SEC") a Form ID
Application to Obtain EDGAR Access Codes and any other forms necessary to
generate EDGAR codes on my behalf enabling the undersigned to make electronic
filings with the SEC of reports required by Section 16(a) of the Securities
Exchange Act of 1934 or any rule or regulation of the SEC;
(2)	execute for and on behalf of the undersigned, in the undersigned's capacity
as a director, officer and/or a 10% stockholder of Datadog, Inc. (the
"Company"), Forms 3, 4, and 5 in accordance with Section 16(a) of the Securities
Exchange Act of 1934 and the rules thereunder;
(3)		do and perform any and all acts for and on behalf of the undersigned which
may be necessary or desirable to complete and execute any such Form 3, 4, or 5,
complete and execute any amendment or amendments thereto, and timely file such
form with the SEC and any stock exchange or similar authority; and
(4)	take any other action of any type whatsoever in connection with the
foregoing which, in the opinion of such attorney in fact, may be of benefit to,
in the best interest of, or legally required by, the undersigned, it being
understood that the documents executed by such attorney in fact on behalf of the
undersigned pursuant to this Power of Attorney shall be in such form and shall
contain such terms and conditions as such attorney in fact may approve in such
attorney in fact's discretion.
	The undersigned hereby grants to such attorney in fact full power and authority
to do and perform any and every act and thing whatsoever requisite, necessary,
or proper to be done in the exercise of any of the rights and powers herein
granted, as fully to all intents and purposes as the undersigned might or could
do if personally present, with full power of substitution or revocation, hereby
ratifying and confirming all that such attorney in fact, or such attorney in
fact's substitute or substitutes, shall lawfully do or cause to be done by
virtue of this power of attorney and the rights and powers herein granted.
	This Power of Attorney shall remain in full force and effect until either the
undersigned is no longer required to file Forms 3, 4, and 5 with respect to the
undersigned's holdings of and transactions in securities issued by the Company
or unless earlier revoked by the undersigned in a signed writing delivered to
the foregoing attorneys in fact.
IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be
executed as of this 22nd day of July, 2019.


		/s/ Shardul Shah