Charles River Labs (CRL) CEO exercises 6,500 options and sells shares under 10b5-1 plan
Rhea-AI Filing Summary
CHARLES RIVER LABORATORIES INTERNATIONAL, INC. Chief Executive Officer Birgit Girshick exercised stock options for 6,500 shares of common stock on August 11, 2026 at an exercise price of $179.66 per share. The resulting 6,500 common shares were then sold at $279.90 per share on the same date, in a transaction marked as a sale. The company reports that this exercise and sale occurred pursuant to a Rule 10b5-1 Trading Plan initially adopted on March 3, 2025. Following these transactions, Girshick has an indirect holding of 43,803 common shares through a revocable trust.
Positive
- None.
Negative
- None.
Insider Trade Summary 10b5-1
Exercise and Sale: 6,500 shares ($652K approx. pre-tax spread)
Exercise and Sale
4 txns
Insider
Girshick Birgit
Role
Chief Executive Officer
Sold
6,500 shs ($1.82M)
Approx. gross sale proceeds
$1.82M
Approx. exercise cost
$1.17M
Approx. pre-tax spread
$652K
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Exercise | Stock Options (Right to Buy) | 6,500 | $0.00 | $0.00 |
| Exercise | Common Stock | 6,500 | $179.66 | $1.17M |
| Sale | Common Stock F1 | 6,500 | $279.90 | $1.82M |
| holding | Common Stock | -- | -- | -- |
Holdings After Transaction:
Stock Options (Right to Buy) — 0 shares (Direct);
Common Stock — 36,013 shares (Direct);
Common Stock — 43,803 shares (Indirect, Revocable Trust)
Footnotes (1)
- F1. This exercise and sale occurred pursuant to a Rule 10b5-1 Trading Plan that was initially adopted on March 3, 2025.
Key Figures
Options Exercised: 6,500 shares
Exercise Price: $179.66 per share
Shares Sold: 6,500 shares
+2 more
5 metrics
Options Exercised
6,500 shares
Stock options exercised into common stock on August 11, 2026
Exercise Price
$179.66 per share
Exercise price of stock options converted into 6,500 common shares
Shares Sold
6,500 shares
Common stock sold on August 11, 2026
Sale Price
$279.90 per share
Per-share price of 6,500 common shares sold
Indirect Holdings After Transaction
43,803 shares
Common stock held indirectly through a revocable trust after reported transactions
Key Terms
Rule 10b5-1 Trading Plan, Stock Options (Right to Buy), Revocable Trust
3 terms
Rule 10b5-1 Trading Plan regulatory
"This exercise and sale occurred pursuant to a Rule 10b5-1 Trading Plan"
A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.
Stock Options (Right to Buy) financial
"security_title: Stock Options (Right to Buy)"
Revocable Trust financial
"nature_of_ownership: Revocable Trust"
A revocable trust is a legal arrangement where the person who creates it keeps control and can change or cancel the trust at any time, while naming who will manage and receive the assets later. Think of it like a flexible folder for your investments and property that can be relabeled or reworked as circumstances change; it matters to investors because it determines how ownership is recorded, how easily assets transfer on incapacity or death, and whether holdings bypass public probate proceedings.
FAQ
What did CRL CEO Birgit Girshick report in this Form 4 transaction?
Birgit Girshick exercised options for 6,500 CRL shares at $179.66 and sold 6,500 shares at $279.90 on August 11, 2026, with the transactions reported under a Rule 10b5-1 Trading Plan.
Were the CRL insider transactions made under a Rule 10b5-1 plan?
Yes. The filing states that the exercise and sale occurred under a Rule 10b5-1 Trading Plan that was initially adopted on March 3, 2025, indicating the trades were pre-arranged.
AI-generated analysis. How Rhea-AI works. Not financial advice.
