Christopher A. Lien - 05 Sep 2025 Form 4 Insider Report for MARIN SOFTWARE INC (MRIN)

Reporting relationship: CEO, Director
Issuer ticker: MRIN
Reported as of: 05 Sep 2025
Net transaction value: $0
SEC form: 4
Accepted by SEC: 08 Sep 2025, 16:39:05 UTC
Prior SEC filing: 11 Mar 2025
Source filing: View source filing
Reporting owner signature: /s/ Christopher A. Lien by Robert Bertz, Attorney-in-Fact

Key filing fact

Christopher A. Lien filed Form 4 for MARIN SOFTWARE INC (MRIN) on 08 Sep 2025.

Key facts

This page summarizes Christopher A. Lien's Form 4 filing for MARIN SOFTWARE INC (MRIN).
7 reported transactions and 2 derivative rows are listed below.
Accepted by SEC: 08 Sep 2025, 16:39.

Change

Previous filing in this sequence was filed on 11 Mar 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001570714 Primary reporting owner

Lien Christopher A.

Relationship: CEO, Director
Address: C/O MARIN SOFTWARE INCORPORATED, 149 NEW MONTGOMERY STREET, 4TH FLOOR, SAN FRANCISCO
Signature: /s/ Christopher A. Lien by Robert Bertz, Attorney-in-Fact
Signature date: 08 Sep 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

MRIN transaction

Common Stock

Other

Transaction value: $0
Shares: -15,727
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 05 Sep 2025
Ownership: Direct
Footnotes: F1

MRIN transaction

Common Stock

Other

Transaction value: $0
Shares: -23,737
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 05 Sep 2025
Ownership: Held by Christopher A. Lien and Rebecca S. Lien, Co-Trustees the Lien Revocable Trust dated 7/8/2003
Footnotes: F1, F2

MRIN transaction

Common Stock

Other

Transaction value: $0
Shares: -3,214
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 05 Sep 2025
Ownership: Held by the Christopher A. Lien 2013 Annuity Trust dated 2/4/13
Footnotes: F1, F3

MRIN transaction

Common Stock

Other

Transaction value: $0
Shares: -3,214
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 05 Sep 2025
Ownership: Held by the Rebecca S. Lien 2013 Annuity Trust dated 2/4/13
Footnotes: F1, F4

MRIN transaction

Common Stock

Other

Transaction value: $0
Shares: -20
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 05 Sep 2025
Ownership: Held by Rebecca Lien
Footnotes: F1, F5

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

MRIN transaction Derivative

Director Stock Option (right to buy)

Other

Transaction value: $0
Shares: -1,428
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 05 Sep 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 1,428
Exercise price: $90.30
Footnotes: F1, F6

MRIN transaction Derivative

Director Stock Option (right to buy)

Other

Transaction value: $0
Shares: -10,000
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 05 Sep 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 10,000
Exercise price: $24.00
Footnotes: F1, F6

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Section 16 status

Christopher A. Lien is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may still apply in specific circumstances.

Explanation of responses 6 footnotes

Footnote 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 & ischarged, & 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).

Footnote F2

The Reporting Person serves as a co-trustee of the trust.

Footnote F3

The Reporting Person serves as the trustee of the trust.

Footnote F4

The Reporting Person's spouse serves as the trustee of the trust.

Footnote F5

The shares are held by the Reporting Person's spouse.

Footnote F6

The options are fully vested.