Datadog, Inc. — Director's Dealing 2022

Sep 7, 2022

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Datadog, Inc. (DDOG)
CIK: 0001561550
Period of Report: 2022-09-01

Reporting Person: De Madre Armelle (Chief People Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2022-09-01	Class A Common Stock	C	3750	$7.9567	Acquired	71554	Direct
2022-09-01	Class A Common Stock	S	280	$94.33	Disposed	71274	Direct
2022-09-01	Class A Common Stock	S	915	$95.0443	Disposed	70359	Direct
2022-09-01	Class A Common Stock	S	100	$96.0643	Disposed	70259	Direct
2022-09-01	Class A Common Stock	S	80	$97.25	Disposed	70179	Direct
2022-09-01	Class A Common Stock	S	180	$98.08	Disposed	69999	Direct
2022-09-01	Class A Common Stock	S	180	$99.3861	Disposed	69819	Direct
2022-09-01	Class A Common Stock	S	140	$100.2714	Disposed	69679	Direct
2022-09-01	Class A Common Stock	S	1875	$101.88	Disposed	67804	Direct
2022-09-02	Class A Common Stock	S	2646	$98.18	Acquired	65158	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2022-09-01	StockOption(Right toBuy)	$7.9567	M	3750	Disposed	2029-06-28	Class B Common Stock (3750)	Direct
2022-09-01	Class B Common Stock	$	M	3750	Acquired		Class A Common Stock (3750)	Direct
2022-09-01	Class B Common Stock	$	C	3750	Disposed		Class A Common Stock (3750)	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 August 18, 2020.

F3: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $93.70 to $94.655. 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 $94.70 to $95.69. 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 $95.73 to $96.60. 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 $96.73 to $97.71. 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 $97.73 to $98.49. 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 $98.94 to $99.92. 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: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $99.95 to $100.67. 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: The Reporting Person was required by the Issuer to sell only the number of shares of common stock necessary to cover applicable tax withholding obligations realized upon the vesting of restricted stock units, as well as any related brokerage commission fees.

F11: Option vested as to 25% on June 20, 2020 and in equal monthly installments thereafter over three years.