---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-25-043440"
form_type: "8-K"
ticker: "TLSI"
cik: "0001826667"
company_name: "TriSalus Life Sciences, Inc."
filed_at: "2025-10-01T23:59:59+00:00"
generated_at: "2026-05-17T05:07:15.555290+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# TriSalus director Sean Murphy resigns from Board and Science Committee

## Summary
- Sean Murphy resigned from the Board and the Science and Technology Committee effective September 30, 2025.
- Resignation is not due to any disagreement with the Company's operations, policies, or practices.
- Murphy served as a director and on the Science and Technology Committee of TriSalus Life Sciences.
- The Company's stock trades on Nasdaq under the symbol TLSI.

## SEC filing metadata
- accession: 0001628280-25-043440
- form_type: 8-K
- ticker: TLSI
- cik: 0001826667
- company_name: TriSalus Life Sciences, Inc.
- filed_at: 2025-10-01T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1826667/000162828025043440/0001628280-25-043440-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1826667/000162828025043440/tlsi-20250930.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-25-043440
- JSON: https://secwatch.observer/filing/0001628280-25-043440.json
- Plain text: https://secwatch.observer/filing/0001628280-25-043440.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.