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AI brief of an SEC Form 8-K · Charles River Laboratories (CRL)

Charles River Labs names COO Birgit Girshick as next CEO, effective May 5, 2026

Neutral Impact 4 of 5 leadership Written later

Charles River Laboratories announced that Chairman and CEO James Foster will step down, and Chief Operating Officer Birgit Girshick will become CEO, both effective May 5, 2026. Foster will remain a non-executive director, and Lead Independent Director Martin Mackay is expected to become Board Chair on the same date.

Key points

  • Birgit Girshick, current COO, to become CEO effective May 5, 2026, and to join the Board at the 2026 Annual Meeting
  • Base salary set at $1,200,000 effective February 1, 2026; initial equity grant with target value of $9,000,000
  • Severance if terminated without cause or for good reason before first anniversary of a change in control: three times salary plus target bonus

The filing

CompanyCharles River Laboratories (CRL)
Form8-K, current report
Filed with the SECJan 9, 2026, 4:18 PM ET
Accession number0001628280-26-001603

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, 1:11 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 January 09, 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.