---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-21-219696"
form_type: "8-K"
ticker: "TCRX"
cik: "0001783328"
company_name: "TScan Therapeutics, Inc."
filed_at: "2021-07-20T23:59:59+00:00"
generated_at: "2026-06-30T04:11:04.936384+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# TScan Therapeutics completes IPO; Christoph Westphal resigns from board; charter amended

## Summary
- Christoph Westphal, M.D., Ph.D. resigned from board effective after IPO pricing; no disagreement with management.
- Amended charter authorizes 300M voting common shares, 10M non-voting common, 10M preferred shares.
- Adopted classified board with staggered three-year terms; directors removable only for cause with 66 2/3% vote.
- Bylaws revised to eliminate stockholder action by written consent and special meetings.

## SEC filing metadata
- accession: 0001193125-21-219696
- form_type: 8-K
- ticker: TCRX
- cik: 0001783328
- company_name: TScan Therapeutics, Inc.
- filed_at: 2021-07-20T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02, 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1783328/000119312521219696/0001193125-21-219696-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1783328/000119312521219696/d172723d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-21-219696
- JSON: https://secwatch.observer/filing/0001193125-21-219696.json
- Plain text: https://secwatch.observer/filing/0001193125-21-219696.txt

## Key facts
- Executive change
  Christoph Westphal resigned as Director at TScan Therapeutics, Inc..
  - Action: resigned
  - Role: Director
  source text: On July 15, 2021, effective immediately after the pricing of the initial public offering (the “IPO”) of TScan Therapeutics, Inc. (the “Company”) Christoph Westphal, M.D., Ph.D., resigned from his position as a member of the Company’s board of directors.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1783328/000119312521219696/0001193125-21-219696-index.htm

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