---
schema_version: "secwatch.filing_event.v1"
accession: "0001564590-22-010644"
form_type: "8-K"
ticker: "CCCC"
cik: "0001662579"
company_name: "C4 Therapeutics, Inc."
filed_at: "2022-03-16T23:59:59+00:00"
generated_at: "2026-06-26T22:23:37.432019+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# C4 Therapeutics appoints Utpal Koppikar to board; Elena Prokupets resigns

## Summary
- Utpal Koppikar elected as director effective March 16, 2022; will chair Audit Committee and serve on Organization, Leadership and Compensation Committee.
- Koppikar is CFO of Atara Biotherapeutics; previously VP at Gilead Sciences and executive director at Amgen.
- Granted stock options for 41,200 shares vesting over three years with annual cliff.
- Elena Prokupets resigned March 10, 2022; resignation not due to any disagreement with the company.

## SEC filing metadata
- accession: 0001564590-22-010644
- form_type: 8-K
- ticker: CCCC
- cik: 0001662579
- company_name: C4 Therapeutics, Inc.
- filed_at: 2022-03-16T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1662579/000156459022010644/0001564590-22-010644-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1662579/000156459022010644/cccc-8k_20220310.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001564590-22-010644
- JSON: https://secwatch.observer/filing/0001564590-22-010644.json
- Plain text: https://secwatch.observer/filing/0001564590-22-010644.txt

## Key facts
- Executive change
  Elena Prokupets resigned as Director at C4 Therapeutics, Inc..
  - Action: resigned
  - Role: Director
  source text: Elena Prokupets, Ph.D., resigned as a director and as a member of the Audit, Compensation and Nominating and Corporate Governance Committees of the Board.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1662579/000156459022010644/0001564590-22-010644-index.htm
- Executive change
  Utpal Koppikar was elected as Director at C4 Therapeutics, Inc..
  - Action: elected
  - Role: Director
  source text: elected Utpal Koppikar as a director effective immediately and as chair of the Audit Committee
  evidence_url: https://www.sec.gov/Archives/edgar/data/1662579/000156459022010644/0001564590-22-010644-index.htm

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