---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-23-117704"
form_type: "8-K"
ticker: "IPSC"
cik: "0001850119"
company_name: "Century Therapeutics, Inc."
filed_at: "2023-11-14T23:59:59+00:00"
generated_at: "2026-06-08T04:01:27.054929+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Century Therapeutics appoints Brent Pfeiffenberger as President and CEO, effective Dec 4, 2023

## Summary
- Brent Pfeiffenberger appointed CEO and to Board; Gregory Russotti transitions to Chief Technology and Manufacturing Officer.
- Pfeiffenberger receives $625K base salary, 55% target bonus, $200K signing bonus, $450K retention bonus, and equity awards.
- Equity includes options for 573,691 shares and RSUs covering 1,173,775 shares (Initial RSU) plus $450K value Second RSU.
- Russotti's new role carries $525K base salary and 45% annual target bonus; prior interim CEO role ends Dec 4.

## SEC filing metadata
- accession: 0001104659-23-117704
- form_type: 8-K
- ticker: IPSC
- cik: 0001850119
- company_name: Century Therapeutics, Inc.
- filed_at: 2023-11-14T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1850119/000110465923117704/0001104659-23-117704-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1850119/000110465923117704/tm2330591d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-23-117704
- JSON: https://secwatch.observer/filing/0001104659-23-117704.json
- Plain text: https://secwatch.observer/filing/0001104659-23-117704.txt

## Key facts
- Executive change
  Brent Pfeiffenberger was appointed as President and Chief Executive Officer at Century Therapeutics, Inc..
  - Action: appointed
  - Role: President and Chief Executive Officer
  source text: appointed Brent Pfeiffenberger to serve as the Company’s President and Chief Executive Officer, effective December 4, 2023
  evidence_url: https://www.sec.gov/Archives/edgar/data/1850119/000110465923117704/0001104659-23-117704-index.htm
- Executive change
  Brent Pfeiffenberger was appointed as member of the Board at Century Therapeutics, Inc..
  - Action: appointed
  - Role: member of the Board
  source text: Dr. Pfeiffenberger was appointed to serve as a member of the Board
  evidence_url: https://www.sec.gov/Archives/edgar/data/1850119/000110465923117704/0001104659-23-117704-index.htm
- Executive change
  Gregory Russotti changed role as Chief Technology and Manufacturing Officer at Century Therapeutics, Inc..
  - Action: transitions
  - Role: Chief Technology and Manufacturing Officer
  source text: Dr. Russotti will serve as the Company’s Chief Technology and Manufacturing Officer.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1850119/000110465923117704/0001104659-23-117704-index.htm

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