Daina Middleton - Jun 2, 2021 Form 4 Insider Report for MARIN SOFTWARE INC (MRIN)

Role: Director
Signature: /s/ Daina Middleton by Robert Bertz, Attorney-in-Fact
Stock symbol: MRIN
Transactions as of: Jun 2, 2021
Transactions value $: $0
Form type: 4
Date filed: 6/4/2021, 07:28 PM
Previous filing: Jun 3, 2021
Next filing: Jul 26, 2021

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MRIN	Common Stock	Options Exercise		+28K			28K	Jun 2, 2021	Direct	F1

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	MRIN	Restricted Stock Unit	Options Exercise	$0	-28K	-33.33%	$0.00	55.9K	Jun 2, 2021	Common Stock	28K		Direct	F1, F2

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

Explanation of Responses:

Id	Content
F1	Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.
F2	The RSUs shall vest as to one-third of the total number of shares on the date of the Issuer's annual meeting of stockholders held in each of 2021, 2022 and 2023, provided that the Reporting Person continues to serve on the Issuer's Board of Directors on each vesting date and provided further that, in the event of certain corporate transactions, all of the shares subject to the RSUs shall immediately vest in full as of the effectiveness of such transaction.

Content

Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

The RSUs shall vest as to one-third of the total number of shares on the date of the Issuer's annual meeting of stockholders held in each of 2021, 2022 and 2023, provided that the Reporting Person continues to serve on the Issuer's Board of Directors on each vesting date and provided further that, in the event of certain corporate transactions, all of the shares subject to the RSUs shall immediately vest in full as of the effectiveness of such transaction.