Mats Wahlstrom - 15 May 2026 Form 4 Insider Report for TriSalus Life Sciences, Inc. (TLSI)

Reporting relationship: Director
Issuer ticker: TLSI
Reported as of: 15 May 2026
Net transaction value: +$151,800
SEC form: 4
Accepted by SEC: 18 May 2026, 16:42:42 UTC
Prior SEC filing: 15 May 2026
Next SEC filing: 09 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Mary Szela, Attorney-in-Fact

Key filing fact

Mats Wahlstrom filed Form 4 for TriSalus Life Sciences, Inc. (TLSI) on 18 May 2026.

Key facts

This page summarizes Mats Wahlstrom's Form 4 filing for TriSalus Life Sciences, Inc. (TLSI).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 18 May 2026, 16:42.

Change

Previous filing in this sequence was filed on 15 May 2026.
Current net transaction value: +$151,800.

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 0001459154 Primary reporting owner

Wahlstrom Mats

Relationship: Director
Address: 6272 W. 91ST AVENUE, WESTMINSTER
Signature: /s/ Mary Szela, Attorney-in-Fact
Signature date: 18 May 2026

Reported non-derivative transactions

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

TLSI transaction

Common Stock

Purchase

Transaction value: $151,800
Shares: +60,000
Change %: +69%
Price: $2.53
Shares after: 147,555
Date: 15 May 2026
Ownership: Direct
Footnotes: F1

TLSI holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 1,444,447
Date: 15 May 2026
Ownership: By Leonard Capital LLC
Footnotes: F2

TLSI holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 1,370,028
Date: 15 May 2026
Ownership: By HW Investment Partners, LLC
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

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $2.52 to $2.56 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range.

Footnote F2

The Reporting Person shares voting and investment discretion with his spouse with respect to the shares held directly by Leonard Capital LLC.

Footnote F3

The Reporting Person is a managing member of HW Investment Partners, LLC ("HW Investment") and shares voting and investment discretion with respect to the shares held directly by HW Investment. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein.