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AI brief of an SEC Form 8-K · Certara (CERT)

Certara CFO John Gallagher to resign; Faiz Mohammed named interim CFO, guidance reaffirmed

Neutral Impact 4 of 5 leadership Written later

Certara, Inc. said Chief Financial Officer John E. Gallagher III will resign to pursue another opportunity, with his last day expected July 14, 2026. Faiz Mohammed, the company's Senior Vice President, Finance and Treasurer since 2018, will serve as interim CFO and principal financial and accounting officer, and the company has started a search for a successor. The company also reaffirmed its 2026 financial guidance, and the filing states the resignation was not due to any disagreement with management, the board, or financial reporting matters.

Key points

  • CFO John E. Gallagher III tendered his resignation on June 11, 2026; he is expected to serve through July 14, 2026.
  • Faiz Mohammed, age 53, will become interim CFO effective July 15, 2026, and has been SVP, Finance and Treasurer since 2018.
  • Company reaffirmed 2026 financial guidance first given on the May 11, 2026 first-quarter earnings call.
  • Gallagher is expected to help with the closing process for the quarter ending June 30, 2026.

The filing

CompanyCertara (CERT)
Form8-K, current report
Filed with the SECJun 17, 2026, 4:30 PM ET
Accession number0001104659-26-075172

Items reported: 5.02 Director / Officer Change

Read the filing on SEC.gov ↗

Written by AI (Anthropic Claude, claude-haiku-5-5) on Nov 8, 2026, 1:54 AM ET, from the text of the filing and its press-release exhibits only. Written later: this filing was briefed after the fact, when past filings were added to the site, so the brief may be read with hindsight; the filing itself is the record of what was known on June 17, 2026.

Briefs are written by AI from the filing text (each brief's own page names the model) and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the model's reading of the filing for shareholders, not a price forecast. Not investment advice.