Charles River SVP sells 6,645 shares after exercises
Charles River Laboratories International, Inc. senior vice president of finance and chief accounting officer Michael Gunnar Knell reported option exercises and share sales on 2026-08-06.
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Form Type
4
Rhea-AI Filing Summary
Charles River Laboratories International, Inc. senior vice president of finance and chief accounting officer Michael Gunnar Knell reported option exercises and share sales on 2026-08-06. He exercised stock options covering 2,345 shares of common stock at strike prices of $179.66, $194.12, and $208.44 per share and reported open-market sales totaling 6,645 shares of common stock at prices between $258.53 and $265.17 per share, executed in multiple trades at weighted average prices for several tranches.
Insights
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Insider Trade Summary
Exercise and sale activity reported; no spread calculated
Exercise and Sale
15 txns
Insider
Knell Michael Gunnar
Role
SVP, Finance and CAO
Sold
6,645 shs ($1.73M)
Approx. gross sale proceeds
$1.73M
Approx. exercise cost
$460K
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Exercise | Stock Options (Right to Buy) | 404 | $0.00 | $0.00 |
| Exercise | Stock Options (Right to Buy) | 1,205 | $0.00 | $0.00 |
| Exercise | Stock Options (Right to Buy) | 736 | $0.00 | $0.00 |
| Sale | Common Stock F1 | 1,274 | $259.07 | $330K |
| Sale | Common Stock F2 | 901 | $260.63 | $235K |
| Sale | Common Stock F3 | 810 | $261.45 | $212K |
| Sale | Common Stock F4 | 213 | $262.37 | $56K |
| Sale | Common Stock F5 | 620 | $263.94 | $164K |
| Sale | Common Stock F6 | 482 | $265.17 | $128K |
| Exercise | Common Stock | 404 | $179.66 | $73K |
| Exercise | Common Stock | 1,205 | $194.12 | $234K |
| Exercise | Common Stock | 736 | $208.44 | $153K |
| Sale | Common Stock | 404 | $258.53 | $104K |
| Sale | Common Stock | 1,205 | $258.53 | $312K |
| Sale | Common Stock | 736 | $258.53 | $190K |
Holdings After Transaction:
Stock Options (Right to Buy) — 1,138 contracts (Direct);
Common Stock — 11,852 shares (Direct)
Footnotes (6)
- F1. This transaction was executed in multiple trades at prices ranging from $258.77 to $259.43. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
- F2. This transaction was executed in multiple trades at prices ranging from $259.97 to $260.94. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
- F3. This transaction was executed in multiple trades at prices ranging from $261.00 to $261.84. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
- F4. This transaction was executed in multiple trades at prices ranging from $262.26 to $262.50. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
- F5. This transaction was executed in multiple trades at prices ranging from $263.39 to $264.29. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
- F6. This transaction was executed in multiple trades at prices ranging from $264.91 to $265.60. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
Key Figures
Shares sold: 6,645 shares
Options exercised: 2,345 shares
Sale price example: $259.07 per share
+4 more
7 metrics
Shares sold
6,645 shares
Total CRL common shares sold across all sale transactions on 2026-08-06
Options exercised
2,345 shares
Total underlying common shares from option exercises (code M) on 2026-08-06
Sale price example
$259.07 per share
One reported weighted average sale price for 1,274 CRL shares (footnote F1)
Lowest option strike
$179.66 per share
Exercise price for 404 stock options (right to buy) originally exercisable from 2021-05-29
Highest option strike
$208.44 per share
Exercise price for 736 stock options (right to buy) originally exercisable from 2025-05-31
Sale price range
$258.53–$265.17 per share
Approximate range of reported sale prices across all common stock sale tranches
Transaction date
2026-08-06
Date of all reported option exercises and related common stock sales
Key Terms
Stock Options (Right to Buy), exercise or conversion of derivative security, weighted average sale price, multiple trades
4 terms
Stock Options (Right to Buy) financial
"The security title is listed as Stock Options (Right to Buy)."
exercise or conversion of derivative security financial
"The transaction code description states exercise or conversion of derivative security."
weighted average sale price financial
"The price reported above reflects the weighted average sale price."
multiple trades financial
"This transaction was executed in multiple trades at prices ranging from..."
FAQ
AI-generated questions and answers. How Rhea-AI works. Not financial advice.
What did CRL executive Michael Gunnar Knell report in this Form 4?
Michael Gunnar Knell reported option exercises for 2,345 shares and open-market sales of 6,645 common shares of Charles River Laboratories International, Inc. on 2026-08-06, at various strike and sale prices detailed in the filing.
How many stock options did the Charles River (CRL) executive exercise?
The executive exercised stock options covering 2,345 shares of CRL common stock. These options carried exercise prices of $179.66, $194.12, and $208.44 per share and had original expiration dates in 2030 and 2034.
Were the Charles River (CRL) insider sales made in multiple trades?
Yes. Several sale tranches were executed in multiple trades within specified price ranges. The reported per-share prices for those tranches are weighted average sale prices, with detailed trade information available upon request as noted in the footnotes.
What role does Michael Gunnar Knell hold at Charles River (CRL)?
Michael Gunnar Knell is identified as SVP, Finance and Chief Accounting Officer of Charles River Laboratories International, Inc. This Form 4 reflects his transactions in the company’s stock and options on 2026-08-06.
Does the Form 4 indicate remaining CRL holdings for the insider?
The reported transactions include exercises and sales, but this Form 4 data does not specify a post-transaction share balance for Michael Gunnar Knell. Only the transaction share amounts and prices are detailed here.
AI-generated analysis. How Rhea-AI works. Not financial advice.
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