---
schema_version: "secwatch.filing_event.v1"
accession: "0001826667-25-000077"
form_type: "8-K"
ticker: "TLSI"
cik: "0001826667"
company_name: "TriSalus Life Sciences, Inc."
filed_at: "2025-06-23T23:59:59+00:00"
generated_at: "2026-05-19T00:02:25.033072+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# TriSalus launches exchange offer for Series A Preferred, up to 11.9M common shares

## Summary
- Offers up to 11,860,206 common shares in exchange for each share of Series A Convertible Preferred at $4.00 per share based on liquidation preference plus accrued dividends through Aug 10, 2027.
- Consent solicitation seeks amendment to automatically convert remaining Preferred after offer closes at a ratio 11.3% lower than exchange offer.
- Holders representing ~55% of outstanding Preferred have agreed to tender and consent via Tender and Support Agreements.
- Expiration date: 12:01 a.m. ET on July 23, 2025; shares can be withdrawn anytime before.
- 3,594,002 Preferred shares outstanding as of June 13, 2025; Preferred stock not publicly traded.

## SEC filing metadata
- accession: 0001826667-25-000077
- form_type: 8-K
- ticker: TLSI
- cik: 0001826667
- company_name: TriSalus Life Sciences, Inc.
- filed_at: 2025-06-23T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1826667/000182666725000077/0001826667-25-000077-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1826667/000182666725000077/tlsi-20250623.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001826667-25-000077
- JSON: https://secwatch.observer/filing/0001826667-25-000077.json
- Plain text: https://secwatch.observer/filing/0001826667-25-000077.txt

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