Datadog, Inc. — Director's Dealing 2022

Feb 17, 2022

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Datadog, Inc. (DDOG)
CIK: 0001561550
Period of Report: 2022-02-15

Reporting Person: Richardson Julie (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2022-02-15	Class A Common Stock	C	3906	$7.9567	Acquired	6022	Direct
2022-02-15	Class A Common Stock	S	300	$163.3233	Disposed	5722	Direct
2022-02-15	Class A Common Stock	S	500	$164.446	Disposed	5222	Direct
2022-02-15	Class A Common Stock	S	1300	$166.3508	Disposed	3922	Direct
2022-02-15	Class A Common Stock	S	1000	$167.313	Disposed	2922	Direct
2022-02-15	Class A Common Stock	S	506	$168.6642	Disposed	2416	Direct
2022-02-15	Class A Common Stock	S	300	$169.3733	Disposed	2116	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2022-02-15	Stock Option (Right to Buy)	$7.9567	M	3906	Disposed	2029-06-12	Class B Common Stock (3906)	Direct
2022-02-15	Class B Common Stock	$	M	3906	Acquired		Class A Common Stock (3906)	Direct
2022-02-15	Class B Common Stock	$	C	3906	Disposed		Class A Common Stock (3906)	Direct

Footnotes

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: Shares sold pursuant to a 10b5-1 plan entered into on September 2, 2021.

F3: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $162.93 to $163.75. 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 $164.05 to $164.84. 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 $165.93 to $166.84. 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 $166.96 to $167.78. 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 $168.13 to $169.04. 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: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $169.14 to $169.51. 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.

F9: 25% of the shares underlying the option vested on June 11, 2020, with the remainder vesting in equal monthly installments thereafter over three years.