---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-23-047555"
form_type: "8-K"
ticker: "GERN"
cik: "0000886744"
company_name: "GERON CORP"
filed_at: "2023-09-12T23:59:59+00:00"
generated_at: "2026-06-10T21:33:13.480072+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Geron appoints Michelle Robertson as CFO effective Sept 25, succeeding retiring Olivia Bloom

## Summary
- Michelle J. Robertson named EVP, CFO & Treasurer, effective September 25, 2023.
- Robertson previously CFO of Editas Medicine and Momenta Pharmaceuticals.
- Annual base salary $525k, 45% target bonus, $125k sign-on bonus, and stock options for 1.6M shares.
- Outgoing CFO Olivia Bloom will serve as consultant until March 1, 2024, under a consulting agreement.
- Bloom's retirement is not the result of any disagreement with the Company.

## SEC filing metadata
- accession: 0000950170-23-047555
- form_type: 8-K
- ticker: GERN
- cik: 0000886744
- company_name: GERON CORP
- filed_at: 2023-09-12T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/886744/000095017023047555/0000950170-23-047555-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/886744/000095017023047555/gern-20230911.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-23-047555
- JSON: https://secwatch.observer/filing/0000950170-23-047555.json
- Plain text: https://secwatch.observer/filing/0000950170-23-047555.txt

## Key facts
- Executive change
  Olivia K. Bloom departed as Chief Financial Officer and Treasurer at GERON CORP.
  - Action: retire
  - Role: Chief Financial Officer and Treasurer
  source text: On September 11, 2023, Geron Corporation (“Geron” or the “Company”) announced the appointment of Michelle J. Robertson as Executive Vice President, Chief Financial Officer and Treasurer, effective September 25, 2023, succeeding Olivia K. Bloom, who will retire from that role with the Company on that date.
  evidence_url: https://www.sec.gov/Archives/edgar/data/886744/000095017023047555/0000950170-23-047555-index.htm
- Executive change
  Michelle J. Robertson was appointed as Executive Vice President, Chief Financial Officer and Treasurer at GERON CORP.
  - Action: appointed
  - Role: Executive Vice President, Chief Financial Officer and Treasurer
  source text: On September 11, 2023, Geron Corporation (“Geron” or the “Company”) announced the appointment of Michelle J. Robertson as Executive Vice President, Chief Financial Officer and Treasurer, effective September 25, 2023, succeeding Olivia K. Bloom, who will retire from that role with the Company on that date.
  evidence_url: https://www.sec.gov/Archives/edgar/data/886744/000095017023047555/0000950170-23-047555-index.htm

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