David M. Obstler - Aug 18, 2021 Form 4/A - Amendment Insider Report for Datadog, Inc. (DDOG)

Role: Chief Financial Officer
Signature: David Obstler, by /s/ Ron A. Metzger, Attorney-in-Fact
Stock symbol: DDOG
Transactions as of: Aug 18, 2021
Transactions value $: $0
Form type: 4/A - Amendment
Date filed: 10/29/2021, 05:02 PM
Date Of Original Report: Aug 20, 2016
Previous filing: Jul 9, 2021
Next filing: Sep 2, 2021

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	DDOG	Stock Option (Right to Buy)	Options Exercise	$0	-145K	-16.11%	$0.00	755K	Aug 18, 2021	Class B Common Stock	145K	$1.55	Direct	F1
transaction	DDOG	Class B Common Stock	Options Exercise	$0	+145K	+929.31%	$0.00	161K	Aug 18, 2021	Class A Common Stock	145K		Direct	F2
transaction	DDOG	Class B Common Stock	Conversion of derivative security	$0	-145K	-90.28%	$0.00	15.6K	Aug 18, 2021	Class A Common Stock	145K		Direct	F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Option vests as to 25% on September 6, 2019 and in equal monthly installments thereafter over three years.
F2	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.

Content

Option vests as to 25% on September 6, 2019 and in equal monthly installments thereafter over three years.

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.

Remarks:

This amendment to Form 4 is being filed solely to correct end of period Class B Common Stock holdings at August 8, 2021