---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-242518"
form_type: "8-K"
ticker: "SRZN"
cik: "0001824893"
company_name: "Surrozen, Inc./DE"
filed_at: "2025-10-17T23:59:59+00:00"
generated_at: "2026-05-17T03:25:18.005577+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Surrozen's collaboration agreement terminated by TCGFB for convenience, effective Nov 13

## Summary
- TCGFB terminated Collaboration Agreement for convenience; no termination penalties incurred by either party.
- Agreement provided Surrozen up to $6.0M in payments plus warrant for 3.4M TCGFB shares at $0.0001/share.
- Collaboration was for antibody discovery services; TCGFB owned all TGF-β product IP.
- TCGFB is affiliated with The Column Group, a >5% holder of Surrozen stock; board member Kutzkey is TCG Managing Partner.

## SEC filing metadata
- accession: 0001193125-25-242518
- form_type: 8-K
- ticker: SRZN
- cik: 0001824893
- company_name: Surrozen, Inc./DE
- filed_at: 2025-10-17T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 1.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1824893/000119312525242518/0001193125-25-242518-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1824893/000119312525242518/srzn-20251014.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-242518
- JSON: https://secwatch.observer/filing/0001193125-25-242518.json
- Plain text: https://secwatch.observer/filing/0001193125-25-242518.txt

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