David J. Matlin - 14 May 2026 Form 4 Insider Report for TriSalus Life Sciences, Inc. (TLSI)

Reporting relationship: Director
Issuer ticker: TLSI
Reported as of: 14 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 15 May 2026, 16:39:15 UTC
Prior SEC filing: 20 Feb 2026
Next SEC filing: 22 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Mary Szela, Attorney-in-Fact

Key filing fact

David J. Matlin filed Form 4 for TriSalus Life Sciences, Inc. (TLSI) on 15 May 2026.

Key facts

This page summarizes David J. Matlin's Form 4 filing for TriSalus Life Sciences, Inc. (TLSI).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 15 May 2026, 16:39.

Change

Previous filing in this sequence was filed on 20 Feb 2026.
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 0001251956 Primary reporting owner

MATLIN DAVID J

Relationship: Director
Address: 6272 W. 91ST AVENUE, WESTMINSTER
Signature: /s/ Mary Szela, Attorney-in-Fact
Signature date: 15 May 2026

Reported non-derivative transactions

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

TLSI transaction

Common Stock

Award

Transaction value
Shares: +28,201
Change %: +2.2%
Price: $0.000000^*
Shares after: 1,300,145
Date: 14 May 2026
Ownership: Direct
Footnotes: F1

TLSI transaction

Common Stock

Award

Transaction value
Shares: +23,065
Change %: +1.8%
Price: $0.000000^*
Shares after: 1,323,210
Date: 14 May 2026
Ownership: Direct
Footnotes: F2

Reported derivative securities

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

TLSI transaction Derivative

Director Stock Option (right to buy)

Award

Transaction value
Shares: +56,403
Change %: +87%
Price: $0.000000^*
Shares after: 121,403
Date: 14 May 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 56,403
Exercise price: $2.52
Footnotes: F3

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

Represents grant of restricted stock units (the "RSU Award") payable solely in common stock of the Issuer. The shares subject to the RSU award shall fully vest on the one-year anniversary of the grant date of May 14, 2026, subject to the Reporting Person's continued service with the Issuer.

Footnote F2

Represents grant of restricted stock units (the "Retainer RSU Award") payable solely in common stock of the Issuer. The Reporting Person elected to receive the Retainer RSU Award in lieu of 2026 board service retainer cash fees provided for under the Issuer's Non-Employee Director Compensation Policy. The shares subject to the Retainer RSU Award shall vest quarterly in equal one-third installments through the remainder of 2026, subject to the Reporting Person's continued service with the Issuer.

Footnote F3

The shares subject to the option shall fully vest on the one-year anniversary of the grant date of May 14, 2026, subject to the Reporting Person's continued service with the Issuer.