CRL · Charles River Laboratories International, Inc. · Insider Trading

$295.01 -0.95 (-0.32%) At close · Sep 30

S&P 500 member Russell 1000 member Rebalance outlook locked

Market Cap

$14.20B

47.74M

Volume · Sep 30 799.36K Avg daily vol (3M) 922.66K

Trades by corporate insiders — officers, directors and holders of more than 10% of the shares — disclosed to the SEC on Forms 4 and 5. Form 3 supplies initial ownership rather than a trade; Form 4 must be filed within two business days of the trade.

Query insider transactions through the insider trading API or MCP →

Insider Sentiment Score

Peer-relative 0–100 rank of how aggressively insiders accumulated over the trailing 90 days. See the full ranking.

Net buyers

-3

Net shares bought

-0.02%

Net buy value

-$2,976,721

Date	Insider	Role	Type	Security	Shares	Price	Value	After
2026-08-25	FOSTER JAMES C	Director, Chairman, President and CEO	Convert↓	Stock Options (Right to Buy)	12,429	—	—	12,429
2026-08-25	FOSTER JAMES C	Director, Chairman, President and CEO	Convert↑	Common Stock	12,429	$208.44	$2,590,701	65,157
2026-08-25	FOSTER JAMES C	Director, Chairman, President and CEO	Convert↑	Common Stock	21,132	$194.12	$4,102,144	52,728
2026-08-25	FOSTER JAMES C	Director, Chairman, President and CEO	Convert↓	Stock Options (Right to Buy)	21,132	—	—	7,044
2026-08-25	FOSTER JAMES C	Director, Chairman, President and CEO	Sell↓ Filing footnotes — Common Stock (Direct) This exercise and sale occurred pursuant to a Rule 10b5-1 Trading Plan that was initially adopted on March 6, 2026.	Common Stock	33,561	$300.00	$10,068,300	31,596
2026-08-19	Parisotto Shannon M	CEVP, Disc & Safety Assessment	Sell↓ Filing footnotes — Common Stock (Direct) This exercise and sale occurred pursuant to a Rule 10b5-1 Trading Plan that was initially adopted on March 4, 2026.	Common Stock	2,039	$294.12	$599,711	4,807
2026-08-19	Girshick Birgit	Corporate Executive VP & COO	Gift↓	Common Stock	528	—	—	35,485
2026-08-19	Parisotto Shannon M	CEVP, Disc & Safety Assessment	Convert↓	Stock Options (Right to Buy)	2,039	—	—	2,039
2026-08-19	Parisotto Shannon M	CEVP, Disc & Safety Assessment	Convert↑	Common Stock	2,039	$194.12	$395,811	6,846
2026-08-18	Andrews Nancy C	Director	Convert↑	Common Stock	573	$164.30	$94,144	2,011
2026-08-18	Andrews Nancy C	Director	Convert↓	Stock Options (Right to Buy)	573	—	—	0
2026-08-18	Andrews Nancy C	Director	Sell↓	Common Stock	573	$285.24	$163,443	1,438
2026-08-11	Girshick Birgit	Corporate Executive VP & COO	Sell↓ Filing footnotes — Common Stock (Direct) This exercise and sale occurred pursuant to a Rule 10b5-1 Trading Plan that was initially adopted on March 3, 2025.	Common Stock	6,500	$279.90	$1,819,350	36,013
2026-08-11	Girshick Birgit	Corporate Executive VP & COO	Convert↓	Stock Options (Right to Buy)	6,500	—	—	0
2026-08-11	Parisotto Shannon M	CEVP, Disc & Safety Assessment	Convert↑	Common Stock	3,714	$179.66	$667,257	8,521
2026-08-11	Parisotto Shannon M	CEVP, Disc & Safety Assessment	Sell↓ Filing footnotes — Common Stock (Direct) This exercise and sale occurred pursuant to a Rule 10b5-1 Trading Plan that was initially adopted on March 4, 2026.	Common Stock	3,714	$279.66	$1,038,657	4,807
2026-08-11	Girshick Birgit	Corporate Executive VP & COO	Convert↑	Common Stock	6,500	$179.66	$1,167,790	42,513
2026-08-11	Parisotto Shannon M	CEVP, Disc & Safety Assessment	Convert↓	Stock Options (Right to Buy)	3,714	—	—	0
2026-08-10	FOSTER JAMES C	Director, Chairman, President and CEO	Sell↓ Filing footnotes — Common Stock (Direct) This exercise and sale occurred pursuant to a Rule 10b5-1 Trading Plan that was initially adopted on March 6, 2026.	Common Stock	28,733	$275.00	$7,901,575	31,596
2026-08-10	FOSTER JAMES C	Director, Chairman, President and CEO	Convert↓	Stock Options (Right to Buy)	28,733	—	—	0
2026-08-10	LaPlume Joseph W	EVP, Corp Strategy & Develop	Gift↓	Common Stock	257	—	—	31,041
2026-08-10	FOSTER JAMES C	Director, Chairman, President and CEO	Convert↑	Common Stock	28,733	$179.66	$5,162,171	60,329
2026-08-06	Knell Michael Gunnar	CSVP, CAO, Interim CFO	Sell↓ Filing footnotes — Common Stock (Direct) 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.	Common Stock	810	$261.45	$211,775	13,167
2026-08-06	Creamer Victoria L	EVP & Chief People Officer	Convert↓	Stock Options (Right to Buy)	4,179	—	—	0
2026-08-06	Knell Michael Gunnar	CSVP, CAO, Interim CFO	Convert↓	Stock Options (Right to Buy)	404	—	—	0
2026-08-06	Knell Michael Gunnar	CSVP, CAO, Interim CFO	Convert↑	Common Stock	404	$179.66	$72,583	12,256
2026-08-06	Knell Michael Gunnar	CSVP, CAO, Interim CFO	Sell↓	Common Stock	736	$258.53	$190,278	11,852
2026-08-06	Knell Michael Gunnar	CSVP, CAO, Interim CFO	Sell↓ Filing footnotes — Common Stock (Direct) 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.	Common Stock	482	$265.17	$127,812	11,852
2026-08-06	Knell Michael Gunnar	CSVP, CAO, Interim CFO	Sell↓ Filing footnotes — Common Stock (Direct) 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.	Common Stock	620	$263.94	$163,643	12,334
2026-08-06	Knell Michael Gunnar	CSVP, CAO, Interim CFO	Sell↓	Common Stock	1,205	$258.53	$311,529	12,588
2026-08-06	Knell Michael Gunnar	CSVP, CAO, Interim CFO	Convert↑	Common Stock	1,205	$194.12	$233,915	13,461
2026-08-06	Knell Michael Gunnar	CSVP, CAO, Interim CFO	Sell↓ Filing footnotes — Common Stock (Direct) 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.	Common Stock	213	$262.37	$55,885	12,954
2026-08-06	Creamer Victoria L	EVP & Chief People Officer	Convert↑	Common Stock	4,179	$179.66	$750,799	34,230
2026-08-06	Creamer Victoria L	EVP & Chief People Officer	Sell↓	Common Stock	4,179	$259.16	$1,083,030	30,051
2026-08-06	Knell Michael Gunnar	CSVP, CAO, Interim CFO	Convert↓	Stock Options (Right to Buy)	736	—	—	736
2026-08-06	Knell Michael Gunnar	CSVP, CAO, Interim CFO	Convert↑	Common Stock	736	$208.44	$153,412	14,197
2026-08-06	Knell Michael Gunnar	CSVP, CAO, Interim CFO	Convert↓	Stock Options (Right to Buy)	1,205	—	—	402
2026-08-06	Knell Michael Gunnar	CSVP, CAO, Interim CFO	Sell↓	Common Stock	404	$258.53	$104,446	13,793
2026-08-06	Knell Michael Gunnar	CSVP, CAO, Interim CFO	Sell↓ Filing footnotes — Common Stock (Direct) 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.	Common Stock	901	$260.63	$234,828	13,977
2026-08-06	Knell Michael Gunnar	CSVP, CAO, Interim CFO	Sell↓ Filing footnotes — Common Stock (Direct) 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.	Common Stock	1,274	$259.07	$330,055	14,878
2026-08-05	Parisotto Shannon M	CEVP, Disc & Safety Assessment	Sell↓ Filing footnotes — Common Stock (Direct) This sale occurred pursuant to a Rule 10b5-1 Trading Plan that was initially adopted on March 4, 2026.	Common Stock	5,046	$263.00	$1,327,098	4,807
2026-06-29	FOSTER JAMES C	Director, Chairman, President and CEO	Sell↓ Filing footnotes — Common Stock (Direct) This sale occurred pursuant to a Rule 10b5-1 Trading Plan that was adopted by the reporting person on March 6, 2026.	Common Stock	75,000	$225.00	$16,875,000	31,596
2026-06-05	FOSTER JAMES C	Director, Chairman, President and CEO	Gift↑ Filing footnotes — Common Stock (Indirect) Reflects the exempt transfer pursuant to Rule 16a-13 of 153,361 shares held by the reporting person to a revocable trust controlled by the reporting person.	Common Stock (I)	153,361	—	—	155,611
2026-06-05	FOSTER JAMES C	Director, Chairman, President and CEO	Gift↑ Filing footnotes — Common Stock (Indirect) Reflects the exempt transfer pursuant to Rule 16a-13 of 20,000 shares held by the reporting person to a revocable trust controlled by the reporting person.	Common Stock (I)	20,000	—	—	20,000
2026-06-05	Parisotto Shannon M	CEVP, Disc & Safety Assessment	Gift↑ Filing footnotes — Common Stock (Indirect) Reflects the exempt transfer pursuant to Rule 16a-13 of 1,529 shares held by the reporting person to a revocable trust controlled by the reporting person.	Common Stock (I)	1,529	—	—	9,680
2026-06-05	FOSTER JAMES C	Director, Chairman, President and CEO	Gift↓ Filing footnotes — Common Stock (Direct) Reflects the exempt transfer pursuant to Rule 16a-13 of 20,000 shares held by the reporting person to a revocable trust controlled by the reporting person.	Common Stock	20,000	—	—	106,596
2026-06-05	FOSTER JAMES C	Director, Chairman, President and CEO	Gift↓ Filing footnotes — Common Stock (Indirect) Reflects the exempt transfer pursuant to Rule 16a-13 of 10,000 shares held by the reporting person's spouse to a revocable trust controlled by the reporting person's spouse.	Common Stock (I)	10,000	—	—	0
2026-06-05	Parisotto Shannon M	CEVP, Disc & Safety Assessment	Gift↓ Filing footnotes — Common Stock (Direct) Reflects the exempt transfer pursuant to Rule 16a-13 of 1,529 shares held by the reporting person to a revocable trust controlled by the reporting person.	Common Stock	1,529	—	—	9,853
2026-06-05	Girshick Birgit	Corporate Executive VP & COO	Gift↑ Filing footnotes — Common Stock (Indirect) Reflects the exempt transfer pursuant to Rule 16a-13 of 3,386 shares held by the reporting person to a revocable trust controlled by the reporting person.	Common Stock (I)	3,386	—	—	43,803
2026-06-05	Girshick Birgit	Corporate Executive VP & COO	Gift↓ Filing footnotes — Common Stock (Direct) Reflects the exempt transfer pursuant to Rule 16a-13 of 3,386 shares held by the reporting person to a revocable trust controlled by the reporting person.	Common Stock	3,386	—	—	36,013

Legend Buy — open-market purchase Sell — open-market sale ↑ Shares acquired ↓ Shares disposed (gift, conversion, tax…)

Showing 1–50 of 1,169 transactions

Key facts CIK 1100682 CUSIP 159864107 13F (30d) 14 filings 12 filers Visit website Investor relations