---
schema_version: "secwatch.filing_event.v1"
accession: "0001789769-24-000050"
form_type: "8-K"
ticker: "TIL"
cik: "0001789769"
company_name: "Instil Bio, Inc."
filed_at: "2024-04-26T23:59:59+00:00"
generated_at: "2026-06-03T06:37:10.646938+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.2
calibrated_materiality_score: 0.2
confidence: "high"
source: SEC EDGAR
---

# Director Jack B. Nielsen resigns from Instil Bio board; George Matcham appointed to Audit Committee

## Summary
- Jack B. Nielsen resigned from the Board effective April 24, 2024 for personal reasons; not due to any disagreement.
- George Matcham, Ph.D., existing board member, appointed to the Audit Committee to fill vacancy.
- No other changes; resignation is routine and not related to company operations.

## SEC filing metadata
- accession: 0001789769-24-000050
- form_type: 8-K
- ticker: TIL
- cik: 0001789769
- company_name: Instil Bio, Inc.
- filed_at: 2024-04-26T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.2
- calibrated_materiality_score: 0.2
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1789769/000178976924000050/0001789769-24-000050-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1789769/000178976924000050/til-20240424.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001789769-24-000050
- JSON: https://secwatch.observer/filing/0001789769-24-000050.json
- Plain text: https://secwatch.observer/filing/0001789769-24-000050.txt

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