Datadog, Inc. — Director's Dealing 2021

Nov 19, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Datadog, Inc. (DDOG)
CIK: 0001561550
Period of Report: 2021-11-17

Reporting Person: Agarwal Amit (Chief Product Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-11-17	Common A Common Stock	C	90000	$0.00	Acquired	90000	Indirect
2021-11-17	Common A Common Stock	S	33484	$190.1303	Disposed	56516	Indirect
2021-11-17	Common A Common Stock	S	26786	$190.9996	Disposed	29730	Indirect
2021-11-17	Common A Common Stock	S	12953	$191.9585	Disposed	16777	Indirect
2021-11-17	Common A Common Stock	S	8618	$193.0917	Disposed	8159	Indirect
2021-11-17	Common A Common Stock	S	1374	$193.9502	Disposed	6785	Indirect
2021-11-17	Common A Common Stock	S	1647	$194.8673	Disposed	5138	Indirect
2021-11-17	Common A Common Stock	S	900	$196.278	Disposed	4238	Indirect
2021-11-17	Common A Common Stock	S	2069	$197.108	Disposed	2169	Indirect
2021-11-17	Common A Common Stock	S	2169	$198.1883	Disposed	0	Indirect
2021-11-17	Common A Common Stock	C	90000	$0.00	Acquired	90000	Indirect
2021-11-17	Common A Common Stock	S	34290	$190.1468	Disposed	55710	Indirect
2021-11-17	Common A Common Stock	S	27526	$191.042	Disposed	28184	Indirect
2021-11-17	Common A Common Stock	S	11655	$191.9874	Disposed	16529	Indirect
2021-11-17	Common A Common Stock	S	8055	$193.1022	Disposed	8474	Indirect
2021-11-17	Common A Common Stock	S	1800	$194.0569	Disposed	6674	Indirect
2021-11-17	Common A Common Stock	S	1600	$194.9675	Disposed	5074	Indirect
2021-11-17	Common A Common Stock	S	845	$196.25	Disposed	4229	Indirect
2021-11-17	Common A Common Stock	S	2029	$197.116	Disposed	2200	Indirect
2021-11-17	Common A Common Stock	S	2200	$198.2395	Disposed	0	Indirect
2021-11-17	Common A Common Stock	C	56500	$0.00	Acquired	56500	Indirect
2021-11-17	Common A Common Stock	S	20048	$190.111	Disposed	36452	Indirect
2021-11-17	Common A Common Stock	S	16376	$190.9162	Disposed	20076	Indirect
2021-11-17	Common A Common Stock	S	9579	$191.8897	Disposed	10497	Indirect
2021-11-17	Common A Common Stock	S	5121	$193.0476	Disposed	5376	Indirect
2021-11-17	Common A Common Stock	S	900	$193.9322	Disposed	4476	Indirect
2021-11-17	Common A Common Stock	S	1200	$194.8182	Disposed	3276	Indirect
2021-11-17	Common A Common Stock	S	700	$196.2658	Disposed	2576	Indirect
2021-11-17	Common A Common Stock	S	1276	$197.1803	Disposed	1300	Indirect
2021-11-17	Common A Common Stock	S	1300	$198.25	Disposed	0	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-08-17	Class B Common Stock	$	G	90000	Disposed		Class A Common Stock (90000)	Indirect
2021-08-17	Class B Common Stock	$	G	90000	Acquired		Class A Common Stock (90000)	Indirect
2021-08-17	Class B Common Stock	$	G	1058365	Disposed		Class A Common Stock (1058365)	Indirect
2021-08-17	Class B Common Stock	$	G	1058365	Acquired		Class A Common Stock (1058365)	Indirect
2021-08-17	Class B Common Stock	$	G	90000	Disposed		Class A Common Stock (90000)	Indirect
2021-08-17	Class B Common Stock	$	G	90000	Acquired		Class A Common Stock (90000)	Indirect
2021-08-20	Class B Common Stock	$	G	56500	Disposed		Class A Common Stock (56500)	Direct
2021-08-20	Class B Common Stock	$	G	56500	Acquired		Class A Common Stock (56500)	Indirect
2021-11-17	Class B Common Stock	$	C	90000	Disposed		Class A Common Stock (90000)	Indirect
2021-11-17	Class B Common Stock	$	C	90000	Disposed		Class A Common Stock (90000)	Indirect
2021-11-17	Class B Common Stock	$	C	56500	Disposed		Class A Common Stock (56500)	Indirect
2021-11-17	Class B Common Stock	$	C	2500	Disposed		Class A Common Stock (2500)	Indirect

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Class B Common Stock	$		Class A Common Stock ()	608913	Indirect

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 are held directly by Agarwal-Jan Charitable Trust, of which the Reporting Person's spouse is Trustee.

F3: Shares sold pursuant to a 10b5-1 plan entered into on September 9, 2021.

F4: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $189.60 to $190.57. 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 $190.60 to $191.59. 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 $191.60 to $192.56. 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 $192.60 to $193.55. 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 $193.60 to $194.57. 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 $194.60 to $195.40. 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 $195.64 to $196.625. 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 $196.85 to $197.65. 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 $197.88 to $198.55. 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: Shares are held directly by Agarwal Jan 2021 Spousal Trust, in which the Reporting Person possesses a pecuniary interest.

F14: Shares sold pursuant to a 10b5-1 plan entered into on September 10, 2021.

F15: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $189.63 to $190.62. 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.

F16: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $190.63 to $191.62. 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 $191.63 to $192.59. 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 $192.63 to $193.54. 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 $193.63 to $194.62. 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 $194.665 to $195.60. 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.

F21: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $195.70 to $196.55. 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.

F22: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $196.92 to $197.57. 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.

F23: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $197.93 to $198.60. 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.

F24: Shares are held directly by A-J Family Delaware Holdings LLC, in which the Reporting Person possesses a pecuniary interest.

F25: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $189.53 to $190.52. 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.

F26: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $190.53 to $191.52. 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.

F27: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $191.54 to $192.53. 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.

F28: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $192.54 to $193.53. 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.

F29: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $193.54 to $194.48. 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.

F30: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $194.595 to $195.27. 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.

F31: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $195.63 to $196.55. 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.

F32: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $196.92 to $197.88. 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.

F33: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $197.93 to $198.61. 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.

F34: Shares are held by Reporting Person's spouse.

F35: Shares are held directly by Amit Agarwal 2018 GRAT, of which the Reporting Person is Trustee.

F36: Shares are held directly by Agarwal 2018 Family Trust, of which the Reporting Person's spouse is Trustee.

F37: Shares are held directly by Amit Agarwal 2019 GRAT, of which the Reporting Person is Trustee.