---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-004107"
form_type: "8-K"
ticker: "SLS"
cik: "0001390478"
company_name: "SELLAS Life Sciences Group, Inc."
filed_at: "2025-01-16T23:59:59+00:00"
generated_at: "2026-05-27T23:52:30.269534+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.2
calibrated_materiality_score: 0.2
confidence: "medium"
source: SEC EDGAR
---

# SELLAS Life Sciences amends severance agreements for two officers to 15 months base salary upon change of control

## Summary
- Board approved amendments to change-in-control severance agreements for SVP/Chief Development Officer Dragan Cicic and SVP/CFO John Burns.
- Amendments provide for severance of 15 months of then-current base salary upon termination in connection with a change of control.
- Original agreements were dated December 14, 2021; other provisions remain unchanged.
- Full text of amendments to be filed in next periodic report.

## SEC filing metadata
- accession: 0001104659-25-004107
- form_type: 8-K
- ticker: SLS
- cik: 0001390478
- company_name: SELLAS Life Sciences Group, Inc.
- filed_at: 2025-01-16T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.2
- calibrated_materiality_score: 0.2
- confidence: medium
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1390478/000110465925004107/0001104659-25-004107-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1390478/000110465925004107/tm253479d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-004107
- JSON: https://secwatch.observer/filing/0001104659-25-004107.json
- Plain text: https://secwatch.observer/filing/0001104659-25-004107.txt

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