---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-069251"
form_type: "8-K"
ticker: "SLS"
cik: "0001390478"
company_name: "SELLAS Life Sciences Group, Inc."
filed_at: "2026-06-02T12:30:40+00:00"
generated_at: "2026-06-02T12:35:50.831703+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# SELLAS Life Sciences raised $28.7M from warrant exercises in Apr-May 2026

## Summary
- Received approximately $28.7 million in proceeds from warrant exercises during April and May 2026.
- Cash and cash equivalents were $107.1 million as of March 31, 2026; now increased by warrant proceeds.
- Common shares outstanding as of June 2, 2026: 196,632,574.
- No other material events disclosed.

## SEC filing metadata
- accession: 0001104659-26-069251
- form_type: 8-K
- ticker: SLS
- cik: 0001390478
- company_name: SELLAS Life Sciences Group, Inc.
- filed_at: 2026-06-02T12:30:40+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1390478/000110465926069251/0001104659-26-069251-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1390478/000110465926069251/tm2616601d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-069251
- JSON: https://secwatch.observer/filing/0001104659-26-069251.json
- Plain text: https://secwatch.observer/filing/0001104659-26-069251.txt

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