Charles River (NYSE: CRL) CEO makes 528-share gift of common stock
Charles River Laboratories (CRL) CEO Birgit Girshick gifted 528 shares of common stock on 2026-08-19, leaving her with 35,485 direct and 43,803 indirect shares via a revocable trust. The gift was reported at $0.00 per share, with no Rule 10b5-1 trading plan involved.
How this was made
The 30-second read
Why it matters
Routine insider gift with no immediate price effect; serves compliance transparency.
Market read
The filing is a standard compliance disclosure with negligible trading relevance.
What to watch
Potential tax or estate planning motives behind the revocable trust structure.
Background
Form 4 filings disclose insider transactions; gifts are reported at zero value.
Ticker impact
CEO Birgit Girshick gifted 528 shares of common stock, disclosed in a Form 4 filing on 2026-08-19.
Minimal to none; unlikely to move the stock.
Small share count relative to total holdings and no cash consideration; typical for personal estate planning.
Market effects
No material effect on the life‑science services sector.
Limited to U.S. investors; no broader regional impact.
None
Counterpoint
Some investors may view any insider activity as a signal, but the gift size is too small to imply confidence or concern.
Key entities
- personBirgit Girshick
Chief Executive Officer of Charles River Laboratories
- companyCharles River Laboratories International, Inc.
Provider of drug discovery and development services

