---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-075172"
form_type: "8-K"
ticker: "CERT"
cik: "0001827090"
company_name: "Certara, Inc."
filed_at: "2026-06-17T20:30:24+00:00"
generated_at: "2026-06-17T20:31:26.553491+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Certara CFO John Gallagher resigns; Faiz Mohammed named Interim CFO; FY2026 guidance reaffirmed

## Summary
- John Gallagher resigns as CFO effective July 14, 2026 to pursue another opportunity; no disagreement with management.
- Company launches search for permanent CFO with a leading executive search firm.
- Faiz Mohammed, SVP Finance & Treasurer since 2018, appointed Interim CFO effective July 15, 2026.
- Certara reaffirms FY2026 financial guidance provided on May 11, 2026 first-quarter earnings call.
- Mohammed has over 25 years of finance and accounting experience, including public and private equity-backed companies.

## SEC filing metadata
- accession: 0001104659-26-075172
- form_type: 8-K
- ticker: CERT
- cik: 0001827090
- company_name: Certara, Inc.
- filed_at: 2026-06-17T20:30:24+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1827090/000110465926075172/0001104659-26-075172-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1827090/000110465926075172/tm2618172d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-075172
- JSON: https://secwatch.observer/filing/0001104659-26-075172.json
- Plain text: https://secwatch.observer/filing/0001104659-26-075172.txt

## Key facts
- Executive change
  John E. Gallagher III resigned as Chief Financial Officer at Certara, Inc..
  - Action: resigned
  - Role: Chief Financial Officer
  source text: On June 11, 2026, John E. Gallagher III, Senior Vice President and Chief Financial Officer of Certara, Inc. (the “Company”), tendered his notice of resignation to the Company to pursue another opportunity.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1827090/000110465926075172/0001104659-26-075172-index.htm
- Executive change
  Faiz Mohammed was appointed as Interim Chief Financial Officer at Certara, Inc..
  - Action: appointed
  - Role: Interim Chief Financial Officer
  source text: On June 17, 2026, the Company appointed Faiz Mohammed as its Interim Chief Financial Officer and as both principal financial officer and principal accounting officer of the Company for purposes of the Securities Exchange Act of 1934, as amended, effective as of the Effective Date and until a successor may be appointed.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1827090/000110465926075172/0001104659-26-075172-index.htm

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