---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-178075"
form_type: "8-K"
ticker: "TCRX"
cik: "0001783328"
company_name: "TScan Therapeutics, Inc."
filed_at: "2023-06-29T23:59:59+00:00"
generated_at: "2026-06-13T14:59:50.142318+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# TScan CFO Brian Silver to step down effective July 21, 2023

## Summary
- CFO and Treasurer Brian Silver resigns, effective July 21, 2023, to join an advisory firm in New York.
- Silver will continue to provide strategic advice to the company post-departure.
- Company has initiated a search for a successor chief financial officer.
- Silver noted financial runway into 2026 from convertible note, Amgen partnership, and follow-on financing.
- Resignation is not due to any disagreement with TScan's operations, policies, or practices.

## SEC filing metadata
- accession: 0001193125-23-178075
- form_type: 8-K
- ticker: TCRX
- cik: 0001783328
- company_name: TScan Therapeutics, Inc.
- filed_at: 2023-06-29T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1783328/000119312523178075/0001193125-23-178075-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1783328/000119312523178075/d462412d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-178075
- JSON: https://secwatch.observer/filing/0001193125-23-178075.json
- Plain text: https://secwatch.observer/filing/0001193125-23-178075.txt

## Key facts
- Executive change
  Brian Silver departed as Chief Financial Officer and Treasurer at TScan Therapeutics, Inc..
  - Action: step down
  - Role: Chief Financial Officer and Treasurer
  source text: On June 27, 2023, Mr. Brian Silver informed TScan Therapeutics, Inc. (the “Company”) of his intent to step down from his roles as Chief Financial Officer and Treasurer of the Company, effective July 21, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1783328/000119312523178075/0001193125-23-178075-index.htm

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