---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-23-031375"
form_type: "8-K"
ticker: "CCCC"
cik: "0001662579"
company_name: "C4 Therapeutics, Inc."
filed_at: "2023-09-05T23:59:59+00:00"
generated_at: "2026-06-11T00:01:41.144044+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# C4 Therapeutics CFO Lauren White to step down; Kendra Adams named successor

## Summary
- Lauren White resigns as CFO, Treasurer, and principal financial/accounting officer effective September 15, 2023; no disagreement cited.
- Kendra Adams appointed CFO effective September 18, 2023; previously SVP, Communications and IR at C4T since Nov 2020.
- Mark Mossler appointed Chief Accounting Officer and principal accounting officer effective Sept 18, 2023; previously VP, Corporate Controller since June 2023.
- Adams receives $450K base salary, 40% bonus target, option for 111,000 shares, and 25,000 RSUs.
- Mossler receives $315K base salary, 30% bonus target.

## SEC filing metadata
- accession: 0001628280-23-031375
- form_type: 8-K
- ticker: CCCC
- cik: 0001662579
- company_name: C4 Therapeutics, Inc.
- filed_at: 2023-09-05T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1662579/000162828023031375/0001628280-23-031375-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1662579/000162828023031375/cccc-20230905.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-23-031375
- JSON: https://secwatch.observer/filing/0001628280-23-031375.json
- Plain text: https://secwatch.observer/filing/0001628280-23-031375.txt

## Key facts
- Executive change
  Kendra Adams was appointed as Chief Financial Officer at C4 Therapeutics, Inc..
  - Action: appointed
  - Role: Chief Financial Officer
  source text: On September 5, 2023, the Company announced the appointment of Kendra Adams as its Chief Financial Officer, Treasurer and principal financial officer, effective as of Monday September 18, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1662579/000162828023031375/0001628280-23-031375-index.htm
- Executive change
  Mark Mossler was appointed as Chief Accounting Officer at C4 Therapeutics, Inc..
  - Action: appointed
  - Role: Chief Accounting Officer
  source text: The Company has also appointed Mark Mossler as its Chief Accounting Officer and principal accounting officer, effective as of Monday September 18, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1662579/000162828023031375/0001628280-23-031375-index.htm
- Executive change
  Lauren White resigned as Chief Financial Officer at C4 Therapeutics, Inc..
  - Action: resigned
  - Role: Chief Financial Officer
  source text: On August 30, 2023, Lauren White informed us of her intent to resign from C4 Therapeutics, Inc. (the “ Company ”), effective as of Friday September 15, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1662579/000162828023031375/0001628280-23-031375-index.htm

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