Wister Walcott - 05 Sep 2025 Form 4 Insider Report for MARIN SOFTWARE INC (MRIN)

Role: EVP, PRODUCT AND TECHNOLOGY
Signature: /s/ Wister Wolcott by Robert Bertz, Attorney-in-Fact
Issuer symbol: MRIN
Transactions as of: 05 Sep 2025
Net transactions value: $0
Form type: 4
Filing time: 08 Sep 2025, 16:35:25 UTC
Previous filing: 11 Mar 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Walcott Wister	EVP, PRODUCT AND TECHNOLOGY	C/O MARIN SOFTWARE INCORPORATED, 149 NEW MONTGOMERY STREET, 4TH FLOOR, SAN FRANCISCO	/s/ Wister Wolcott by Robert Bertz, Attorney-in-Fact	08 Sep 2025	0001570725

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MRIN	Common Stock	Other	$0	-38,806	-100%	$0.000000	0	05 Sep 2025	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	Employee Stock Option (right to buy)	Other	$0	-5,476	-100%	$0.000000	0	05 Sep 2025	Common Stock	5,476	$102.90	Direct	F1, F2

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

Wister Walcott is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may continue.

Explanation of Responses:

Id	Content
F1	Pursuant to the Issuer's Second Amended Combined Disclosure Statement and Plan of Reorganization pursuant to Chapter 11 of the Bankruptcy Code (the "Plan"), which was confirmed by the US Bankruptcy Court for the District of Delaware on 8/29/25 & became effective on 9/5/25, all outstanding shares of Issuer common stock (including shares of common stock issuable under equity awards granted under the Issuer's equity incentive plans) & all other options, warrants and rights to acquire common stock, have been cancelled & discharged, & holders of such equity interests are anticipated to receive a distribution on a Pro Rata basis on account thereof, following the anticipated provision of full recoveries to all Holders of Allowed Claims(all such capitalized terms shall have the meanings ascribed to them as set forth in the Plan filed as Exhibit 2.1 to the Current Report on Form 8-K filed by the Issuer with the SEC on 9/5/25).
F2	The options are fully vested.

Content

Pursuant to the Issuer's Second Amended Combined Disclosure Statement and Plan of Reorganization pursuant to Chapter 11 of the Bankruptcy Code (the "Plan"), which was confirmed by the US Bankruptcy Court for the District of Delaware on 8/29/25 & became effective on 9/5/25, all outstanding shares of Issuer common stock (including shares of common stock issuable under equity awards granted under the Issuer's equity incentive plans) & all other options, warrants and rights to acquire common stock, have been cancelled & discharged, & holders of such equity interests are anticipated to receive a distribution on a Pro Rata basis on account thereof, following the anticipated provision of full recoveries to all Holders of Allowed Claims(all such capitalized terms shall have the meanings ascribed to them as set forth in the Plan filed as Exhibit 2.1 to the Current Report on Form 8-K filed by the Issuer with the SEC on 9/5/25).

The options are fully vested.