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Filing Details

Accession Number:: 0001209191-21-026259
Form Type:: 4/A
Zero Holdings:: No
Publication Time:: 2021-04-09 16:54:58
Reporting Period:: 2020-08-13

Accepted Time:: 2021-04-09 16:54:58
Original Submission Date:: 2020-08-17
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1561550	Datadog Inc.	DDOG	Services-Prepackaged Software (7372)	272825503

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1784030	James Michael Callahan	C/O Datadog, Inc. 620 8Th Avenue, 45Th Floor New York NY 10018		Yes	No	No	No

Reported Non-Derivative Transactions

Show Other Fields >>

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Class A Common Stock	Disposition	2020-08-13	1,006	$77.56	107,652	No	4	S	Indirect	By Trust
Class A Common Stock	Disposition	2020-08-13	200	$78.81	107,452	No	4	S	Indirect	By Trust
Class A Common Stock	Disposition	2020-08-13	900	$80.28	106,552	No	4	S	Indirect	By Trust
Class A Common Stock	Disposition	2020-08-13	769	$81.35	105,783	No	4	S	Indirect	By Trust
Class A Common Stock	Disposition	2020-08-13	4,693	$82.39	101,090	No	4	S	Indirect	By Trust
Class A Common Stock	Disposition	2020-08-13	900	$83.22	100,190	No	4	S	Indirect	By Trust
Class A Common Stock	Disposition	2020-08-13	1,532	$84.12	98,658	No	4	S	Indirect	By Trust

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	S	Indirect	By Trust
No	4	S	Indirect	By Trust
No	4	S	Indirect	By Trust
No	4	S	Indirect	By Trust
No	4	S	Indirect	By Trust
No	4	S	Indirect	By Trust
No	4	S	Indirect	By Trust

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Class A Common Stock	2,301	Direct
Class A Common Stock	20,000	Indirect	By GRAT

Footnotes

Shares sold pursuant to a 10b5-1 plan entered into on June 14, 2020.
Price reported is a weighted-average sales price. The shares were sold at prices ranging from $77.22 to $77.80. 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.
The Shares are held by The Callahan-Thernstrom Family Trust (the "Family Trust"), of which Reporting Person is Trustee. The Shares were donated by the Reporting Person to the Family Trust in an exempt transfer on July 29, 2020.
Price reported is a weighted-average sales price. The shares were sold at prices ranging from $78.68 to $78.94. 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 $79.79 to $80.74. 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 $80.87 to $81.86. 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 $81.88 to $82.86. 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 $82.93 to $83.85. 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 $83.93 to $84.58. 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 are held by The Michael Callahan Grantor Retained Annuity Trust, of which Reporting Person is Trustee.