Datadog, Inc. — Director's Dealing 2021

Nov 24, 2021

xml version="1.0"? X0306 4 2021-11-23 0 0001561550 Datadog, Inc. DDOG 0001120741 OBSTLER DAVID M C/O DATADOG, INC. 620 8TH AVENUE, 45TH FLOOR NEW YORK NY 10018 0 1 0 0 Chief Financial Officer Class A Common Stock 2021-11-23 4 C 0 3750 0.00 A 3750 I By GRAT Class A Common Stock 2021-11-23 4 S 0 100 170.105 D 3650 I By GRAT Class A Common Stock 2021-11-23 4 S 0 100 171.725 D 3550 I By GRAT Class A Common Stock 2021-11-23 4 S 0 200 172.9425 D 3350 I By GRAT Class A Common Stock 2021-11-23 4 S 0 1000 174.247 D 2350 I By GRAT Class A Common Stock 2021-11-23 4 S 0 750 175.1087 D 1600 I By GRAT Class A Common Stock 2021-11-23 4 S 0 250 176.678 D 1350 I By GRAT Class A Common Stock 2021-11-23 4 S 0 500 178.2414 D 850 I By GRAT Class A Common Stock 2021-11-23 4 S 0 700 179.3186 D 150 I By GRAT Class A Common Stock 2021-11-23 4 S 0 150 180.55 D 0 I By GRAT Class A Common Stock 2021-11-23 4 C 0 15000 0.00 A 190391 D Class A Common Stock 2021-11-23 4 S 0 100 168.81 D 190291 D Class A Common Stock 2021-11-23 4 S 0 200 170.25 D 190091 D Class A Common Stock 2021-11-23 4 S 0 703 171.7334 D 189388 D Class A Common Stock 2021-11-23 4 S 0 824 173.4719 D 188564 D Class A Common Stock 2021-11-23 4 S 0 3526 174.4334 D 185038 D Class A Common Stock 2021-11-23 4 S 0 2787 175.2991 D 182251 D Class A Common Stock 2021-11-23 4 S 0 593 176.2724 D 181658 D Class A Common Stock 2021-11-23 4 S 0 415 177.4272 D 181243 D Class A Common Stock 2021-11-23 4 S 0 2447 178.4122 D 178796 D Class A Common Stock 2021-11-23 4 S 0 2705 179.3445 D 176091 D Class A Common Stock 2021-11-23 4 S 0 700 180.7643 D 175391 D Class B Common Stock 2021-11-23 4 C 0 3750 0.00 D Class A Common Stock 3750 226147 I By GRAT Stock Option (Right to Buy) 1.55 2021-11-23 4 M 0 15000 0.00 D 2028-09-06 Class B Common Stock 15000 650000 D Class B Common Stock 2021-11-23 4 M 0 15000 0.00 A Class A Common Stock 15000 30603 D Class B Common Stock 2021-11-23 4 C 0 15000 0.00 D Class A Common Stock 15000 15603 D 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. Shares are held directly by the David Obstler 2019 GRAT, of which Reporting Person is Trustee. Shares sold pursuant to a 10b5-1 plan entered into on September 10, 2021. Price reported is a weighted-average sales price. The shares were sold at prices ranging from $169.62 to $170.59. 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. Price reported is a weighted-average sales price. The shares were sold at prices ranging from $171.33 to $172.12. 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. Price reported is a weighted-average sales price. The shares were sold at prices ranging from $172.50 to $173.18. 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. Price reported is a weighted-average sales price. The shares were sold at prices ranging from $173.61 to $174.57. 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. Price reported is a weighted-average sales price. The shares were sold at prices ranging from $174.63 to $175.5025. 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. Price reported is a weighted-average sales price. The shares were sold at prices ranging from $176.39 to $177.23. 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. Price reported is a weighted-average sales price. The shares were sold at prices ranging from $177.84 to $178.83. 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. Price reported is a weighted-average sales price. The shares were sold at prices ranging from $178.97 to $179.79. 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. Price reported is a weighted-average sales price. The shares were sold at prices ranging from $179.97 to $180.95. 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. Shares sold pursuant to a 10b5-1 plan entered into on June 14, 2021. Price reported is a weighted-average sales price. The shares were sold at prices ranging from $171.32 to $172.25. 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. Price reported is a weighted-average sales price. The shares were sold at prices ranging from $172.85 to $173.81. 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. Price reported is a weighted-average sales price. The shares were sold at prices ranging from $173.90 to $174.84. 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. Price reported is a weighted-average sales price. The shares were sold at prices ranging from $174.90 to $175.73. 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. Price reported is a weighted-average sales price. The shares were sold at prices ranging from $176.00 to $176.92. 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. Price reported is a weighted-average sales price. The shares were sold at prices ranging from $177.02 to $178.00. 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. Price reported is a weighted-average sales price. The shares were sold at prices ranging from $178.05 to $178.96. 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. Price reported is a weighted-average sales price. The shares were sold at prices ranging from $179.05 to $179.87. 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. Price reported is a weighted-average sales price. The shares were sold at prices ranging from $180.57 to $180.97. 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. Option vests as to 25% on September 6, 2019 and in equal monthly installments thereafter over three years. David Obstler, by /s/ Ron A. Metzger, Attorney-in-Fact 2021-11-24