---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-099221"
form_type: "8-K"
ticker: "BCYC"
cik: "0001761612"
company_name: "BICYCLE THERAPEUTICS PLC"
filed_at: "2026-08-20T20:05:23+00:00"
generated_at: "2026-08-20T20:06:06.634923+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.25
calibrated_materiality_score: 0.25
confidence: "high"
source: SEC EDGAR
---

# Bicycle Therapeutics director Charles Swanton resigns effective immediately

## Summary
- On August 18, 2026, Charles Swanton resigned as Class II director, committee member, and Clinical Advisory Board member.
- Resignation effective immediately; cited personal reasons, no disagreement with company operations.
- Ticker BCYC; resignation disclosed in Form 8-K filed August 20, 2026.

## SEC filing metadata
- accession: 0001104659-26-099221
- form_type: 8-K
- ticker: BCYC
- cik: 0001761612
- company_name: BICYCLE THERAPEUTICS PLC
- filed_at: 2026-08-20T20:05:23+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.25
- calibrated_materiality_score: 0.25
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1761612/000110465926099221/0001104659-26-099221-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1761612/000110465926099221/tm2623656d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-099221
- JSON: https://secwatch.observer/filing/0001104659-26-099221.json
- Plain text: https://secwatch.observer/filing/0001104659-26-099221.txt

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