Datadog, Inc. — Director's Dealing 2020

Nov 4, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Datadog, Inc. (DDOG)
CIK: 0001561550
Period of Report: 2020-11-02

Reporting Person: Pomel Olivier (Director, Chief Executive Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-11-02	Class A Common Stock	C	126143	—	Acquired	289764	Direct
2020-11-02	Class A Common Stock	S	26130	$87.3789	Disposed	263634	Direct
2020-11-02	Class A Common Stock	S	68479	$88.3124	Disposed	195155	Direct
2020-11-02	Class A Common Stock	S	9990	$89.1475	Disposed	185165	Direct
2020-11-02	Class A Common Stock	S	18344	$90.2483	Disposed	166821	Direct
2020-11-02	Class A Common Stock	S	3200	$91.1362	Disposed	163621	Direct
2020-11-02	Class A Common Stock	C	64591	—	Acquired	64591	Indirect
2020-11-02	Class A Common Stock	S	12432	$87.444	Disposed	52159	Indirect
2020-11-02	Class A Common Stock	S	31665	$88.3394	Disposed	20494	Indirect
2020-11-02	Class A Common Stock	S	5700	$89.1753	Disposed	14794	Indirect
2020-11-02	Class A Common Stock	S	12594	$90.2554	Disposed	2200	Indirect
2020-11-02	Class A Common Stock	S	2200	$91.0691	Disposed	0	Indirect
2020-11-02	Class A Common Stock	C	49467	—	Acquired	49467	Indirect
2020-11-02	Class A Common Stock	S	9000	$87.4267	Disposed	40467	Indirect
2020-11-02	Class A Common Stock	S	23281	$88.3376	Disposed	17186	Indirect
2020-11-02	Class A Common Stock	S	4516	$89.1735	Disposed	12670	Indirect
2020-11-02	Class A Common Stock	S	10670	$90.2501	Disposed	2000	Indirect
2020-11-02	Class A Common Stock	S	2000	$91.1141	Disposed	0	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2020-11-02	Class B Common Stock	$	C	126143	Disposed		Class B Common Stock (126143)	Direct
2020-11-02	Class B Common Stock	$	C	64591	Disposed		Class B Common Stock (64591)	Indirect
2020-11-02	Class B Common Stock	$	C	49467	Disposed		Class B Common Stock (49467)	Indirect

Footnotes

F1: Each share of Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, 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 nine-month anniversary of 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: Shares sold pursuant to a 10b5-1 plan entered into on December 7, 2019.

F3: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $86.80 to $87.79. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

F4: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $87.80 to $88.79. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

F5: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $88.81 to $89.80. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

F6: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $89.81 to $90.80. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

F7: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $90.87 to $91.70. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

F8: Shares are held by the Olivier Pomel 2018 GRAT.

F9: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $86.83 to $87.82. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

F10: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $87.83 to $88.81. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

F11: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $88.84 to $89.82. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

F12: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $89.84 to $90.79. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

F13: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $90.89 to $91.51. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

F14: Shares are held by the Pomel Descendents' 2018 Trust. Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest, if any, in the shares.

F15: Shares sold pursuant to a 10b5-1 plan entered into on September 14, 2020.

F16: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $86.83 to $87.81. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

F17: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $87.83 to $88.80. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

F18: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $88.84 to $89.83. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

F19: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $89.85 to $90.79. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

F20: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $90.90 to $91.51. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.