Michael Gunnar Knell

Insider

First SEC filing: June 2, 2026 · Latest: June 2, 2026

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Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.
Initial holdings The stakes this person held when they first started reporting.
Compensation Executive pay disclosed in company proxy statements.

Insider at

Insider transactions

0 buys (P) 9 sells (S) Net: $-1,730,250 + 80 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

80 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Aug. 6, 2026	CRL	S	1,274	$259.07	$330,055	14,878 Direct	-7.89%	Disposed	12.3% (price as of 2026-08-20)
Aug. 6, 2026	CRL	S	901	$260.63	$234,828	13,977 Direct	-6.06%	Disposed	11.7% (price as of 2026-08-20)
Aug. 6, 2026	CRL	S	810	$261.45	$211,774	13,167 Direct	-5.80%	Disposed	11.3% (price as of 2026-08-20)
Aug. 6, 2026	CRL	S	213	$262.37	$55,885	12,954 Direct	-1.62%	Disposed	10.9% (price as of 2026-08-20)
Aug. 6, 2026	CRL	S	620	$263.94	$163,643	12,334 Direct	-4.79%	Disposed	10.3% (price as of 2026-08-20)
Aug. 6, 2026	CRL	S	482	$265.17	$127,812	11,852 Direct	-3.91%	Disposed	9.7% (price as of 2026-08-20)
Aug. 6, 2026	CRL	M	404	$179.66	$72,583	12,256 Direct	+3.41%	Acquired	62.0% (price as of 2026-08-20)
Aug. 6, 2026	CRL	M	1,205	$194.12	$233,915	13,461 Direct	+9.83%	Acquired	49.9% (price as of 2026-08-20)
Aug. 6, 2026	CRL	M	736	$208.44	$153,412	14,197 Direct	+5.47%	Acquired	39.6% (price as of 2026-08-20)
Aug. 6, 2026	CRL	S	404	$258.53	$104,446	13,793 Direct	-2.85%	Disposed	12.6% (price as of 2026-08-20)
Aug. 6, 2026	CRL	S	1,205	$258.53	$311,529	12,588 Direct	-8.74%	Disposed	12.6% (price as of 2026-08-20)
Aug. 6, 2026	CRL	S	736	$258.53	$190,278	11,852 Direct	-5.85%	Disposed	12.6% (price as of 2026-08-20)
Aug. 6, 2026	CRL	M	404	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Aug. 6, 2026	CRL	M	1,205	—	—	402 Direct	-74.98%	Disposed	(price as of 2026-08-20)
Aug. 6, 2026	CRL	M	736	—	—	736 Direct	-50.00%	Disposed	(price as of 2026-08-20)
May 31, 2026	CRL	F	48	$180.71	$8,674	16,152 Direct	-0.30%	Disposed	61.0% (price as of 2026-08-20)
May 30, 2026	CRL	F	152	$180.71	$27,468	16,200 Direct	-0.93%	Disposed	61.0% (price as of 2026-08-20)
May 29, 2026	CRL	A	1,837	$180.71	$331,964	16,352 Direct	+12.66%	Acquired	61.0% (price as of 2026-08-20)
May 27, 2026	CRL	F	37	$156.73	$5,799	14,515 Direct	-0.25%	Disposed	85.7% (price as of 2026-08-20)
May 26, 2026	CRL	F	50	$160.30	$8,015	14,552 Direct	-0.34%	Disposed	81.5% (price as of 2026-08-20)
Jan. 30, 2026	CRL	F	526	$211.68	$111,344	14,602 Direct	-3.48%	Disposed	37.5% (price as of 2026-08-20)
Jan. 30, 2026	CRL	A	1,668	—	—	15,128 Direct	+12.39%	Acquired	(price as of 2026-08-20)
Nov. 6, 2025	CRL	A	2,926	$170.88	$499,995	13,460 Direct	+27.78%	Acquired	70.3% (price as of 2026-08-20)
June 1, 2025	CRL	F	225	$135.63	$30,517	10,534 Direct	-2.09%	Disposed	114.6% (price as of 2026-08-20)
May 31, 2025	CRL	F	48	$135.63	$6,510	10,759 Direct	-0.44%	Disposed	114.6% (price as of 2026-08-20)
May 30, 2025	CRL	A	2,064	$135.63	$279,940	10,807 Direct	+23.61%	Acquired	114.6% (price as of 2026-08-20)
May 28, 2025	CRL	F	25	$138.65	$3,466	8,743 Direct	-0.29%	Disposed	109.9% (price as of 2026-08-20)
May 27, 2025	CRL	F	37	$136.73	$5,059	8,768 Direct	-0.42%	Disposed	112.8% (price as of 2026-08-20)
May 26, 2025	CRL	F	50	$136.73	$6,836	8,805 Direct	-0.56%	Disposed	112.8% (price as of 2026-08-20)
Jan. 31, 2025	CRL	F	282	$165.57	$46,691	8,855 Direct	-3.09%	Disposed	75.8% (price as of 2026-08-20)
Jan. 31, 2025	CRL	A	811	—	—	9,137 Direct	+9.74%	Acquired	(price as of 2026-08-20)
May 31, 2024	CRL	A	1,472	$208.44	$306,824	1,472 Direct	—	Acquired	39.6% (price as of 2026-08-20)
May 31, 2024	CRL	A	648	—	—	8,326 Direct	+8.44%	Acquired	(price as of 2026-08-20)
May 29, 2024	CRL	F	36	$214.51	$7,722	7,678 Direct	-0.47%	Disposed	35.7% (price as of 2026-08-20)
May 28, 2024	CRL	F	24	$217.21	$5,213	7,714 Direct	-0.31%	Disposed	34.0% (price as of 2026-08-20)
May 27, 2024	CRL	F	37	$217.21	$8,037	7,738 Direct	-0.48%	Disposed	34.0% (price as of 2026-08-20)
May 26, 2024	CRL	F	50	$217.21	$10,860	7,775 Direct	-0.64%	Disposed	34.0% (price as of 2026-08-20)
March 8, 2024	CRL	M	808	—	—	404 Direct	-66.67%	Disposed	(price as of 2026-08-20)
March 8, 2024	CRL	S	808	$267.52	$216,156	7,825 Direct	-9.36%	Disposed	8.8% (price as of 2026-08-20)
March 8, 2024	CRL	M	808	$267.52	$216,156	8,633 Direct	+10.33%	Acquired	8.8% (price as of 2026-08-20)
March 8, 2024	CRL	S	808	$267.52	$216,156	7,024 Direct	-10.32%	Disposed	8.8% (price as of 2026-08-20)
March 4, 2024	CRL	S	1,000	$261.35	$261,350	7,832 Direct	-11.32%	Disposed	11.3% (price as of 2026-08-20)
March 4, 2024	CRL	S	1,750	$260.88	$456,540	8,832 Direct	-16.54%	Disposed	11.5% (price as of 2026-08-20)
Jan. 29, 2024	CRL	F	313	$220.28	$68,948	10,575 Direct	-2.87%	Disposed	32.1% (price as of 2026-08-20)
Jan. 29, 2024	CRL	A	948	—	—	10,888 Direct	+9.54%	Acquired	(price as of 2026-08-20)
Jan. 29, 2024	CRL	F	326	$220.28	$71,811	10,582 Direct	-2.99%	Disposed	32.1% (price as of 2026-08-20)
Jan. 29, 2024	CRL	A	968	—	—	10,908 Direct	+9.74%	Acquired	(price as of 2026-08-20)
Aug. 10, 2023	CRL	M	1,471	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Aug. 10, 2023	CRL	S	1,471	$216.54	$318,530	9,940 Direct	-12.89%	Disposed	34.4% (price as of 2026-08-20)
Aug. 10, 2023	CRL	M	1,471	$144.67	$212,810	11,411 Direct	+14.80%	Acquired	101.1% (price as of 2026-08-20)
June 1, 2023	CRL	A	1,528	—	—	9,940 Direct	+18.16%	Acquired	(price as of 2026-08-20)
May 29, 2023	CRL	F	36	$194.12	$6,988	8,412 Direct	-0.43%	Disposed	49.9% (price as of 2026-08-20)
May 28, 2023	CRL	F	24	$194.12	$4,659	8,448 Direct	-0.28%	Disposed	49.9% (price as of 2026-08-20)
May 27, 2023	CRL	F	36	$194.12	$6,988	8,472 Direct	-0.42%	Disposed	49.9% (price as of 2026-08-20)
May 26, 2023	CRL	A	1,607	$194.12	$311,951	1,607 Direct	—	Acquired	49.9% (price as of 2026-08-20)
May 26, 2023	CRL	A	670	—	—	8,508 Direct	+8.55%	Acquired	(price as of 2026-08-20)
Feb. 22, 2023	CRL	F	51	$243.60	$12,424	7,838 Direct	-0.65%	Disposed	19.5% (price as of 2026-08-20)
Jan. 27, 2023	CRL	F	645	$244.29	$157,567	7,889 Direct	-7.56%	Disposed	19.1% (price as of 2026-08-20)
Jan. 27, 2023	CRL	A	2,096	—	—	8,534 Direct	+32.56%	Acquired	(price as of 2026-08-20)
Nov. 16, 2022	CRL	M	855	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Nov. 16, 2022	CRL	S	855	$248.59	$212,544	6,438 Direct	-11.72%	Disposed	17.1% (price as of 2026-08-20)
Nov. 16, 2022	CRL	M	855	$109.34	$93,486	7,293 Direct	+13.28%	Acquired	166.1% (price as of 2026-08-20)
May 29, 2022	CRL	F	54	$244.41	$13,198	6,438 Direct	-0.83%	Disposed	19.1% (price as of 2026-08-20)
May 28, 2022	CRL	F	37	$244.41	$9,043	6,492 Direct	-0.57%	Disposed	19.1% (price as of 2026-08-20)
May 27, 2022	CRL	A	1,327	$244.41	$324,332	1,327 Direct	—	Acquired	19.1% (price as of 2026-08-20)
May 27, 2022	CRL	A	491	—	—	6,529 Direct	+8.13%	Acquired	(price as of 2026-08-20)
Feb. 23, 2022	CRL	F	56	$289.58	$16,216	6,038 Direct	-0.92%	Disposed	0.5% (price as of 2026-08-20)
Feb. 22, 2022	CRL	F	51	$293.61	$14,974	6,094 Direct	-0.83%	Disposed	-0.9% (price as of 2026-08-20)
Jan. 28, 2022	CRL	F	826	$312.24	$257,910	6,145 Direct	-11.85%	Disposed	-6.8% (price as of 2026-08-20)
Jan. 28, 2022	CRL	A	2,741	—	—	6,971 Direct	+64.80%	Acquired	(price as of 2026-08-20)
June 4, 2021	CRL	M	404	—	—	1,212 Direct	-25.00%	Disposed	(price as of 2026-08-20)
June 4, 2021	CRL	M	735	—	—	1,471 Direct	-33.32%	Disposed	(price as of 2026-08-20)
June 4, 2021	CRL	M	388	—	—	855 Direct	-31.21%	Disposed	(price as of 2026-08-20)
June 4, 2021	CRL	S	1,527	$335.24	$511,911	4,230 Direct	-26.52%	Disposed	-13.2% (price as of 2026-08-20)
June 4, 2021	CRL	M	404	$179.66	$72,583	5,757 Direct	+7.55%	Acquired	62.0% (price as of 2026-08-20)
June 4, 2021	CRL	M	735	$144.67	$106,332	5,353 Direct	+15.92%	Acquired	101.1% (price as of 2026-08-20)
June 4, 2021	CRL	M	388	$109.34	$42,424	4,618 Direct	+9.17%	Acquired	166.1% (price as of 2026-08-20)
June 3, 2021	CRL	M	467	—	—	1,243 Direct	-27.31%	Disposed	(price as of 2026-08-20)
June 3, 2021	CRL	M	333	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
June 3, 2021	CRL	S	800	$329.76	$263,808	4,230 Direct	-15.90%	Disposed	-11.8% (price as of 2026-08-20)
June 3, 2021	CRL	M	467	$109.34	$51,062	5,030 Direct	+10.23%	Acquired	166.1% (price as of 2026-08-20)
June 3, 2021	CRL	M	333	$90.43	$30,113	4,563 Direct	+7.87%	Acquired	221.8% (price as of 2026-08-20)
May 29, 2021	CRL	F	54	$337.99	$18,251	4,230 Direct	-1.26%	Disposed	-13.9% (price as of 2026-08-20)
May 28, 2021	CRL	A	1,006	$337.99	$340,018	1,006 Direct	—	Acquired	-13.9% (price as of 2026-08-20)
May 28, 2021	CRL	A	325	—	—	4,284 Direct	+8.21%	Acquired	(price as of 2026-08-20)
May 1, 2021	CRL	F	93	$332.45	$30,918	3,959 Direct	-2.30%	Disposed	-12.5% (price as of 2026-08-20)
Feb. 23, 2021	CRL	F	84	$283.59	$23,822	4,052 Direct	-2.03%	Disposed	2.6% (price as of 2026-08-20)
Feb. 22, 2021	CRL	F	62	$289.55	$17,952	4,136 Direct	-1.48%	Disposed	0.5% (price as of 2026-08-20)
Feb. 19, 2021	CRL	S	410	$290.99	$119,306	4,198 Direct	-8.90%	Disposed	0.0% (price as of 2026-08-20)
Jan. 29, 2021	CRL	F	953	$260.88	$248,619	4,608 Direct	-17.14%	Disposed	11.5% (price as of 2026-08-20)
Jan. 29, 2021	CRL	A	3,162	—	—	5,561 Direct	+131.80%	Acquired	(price as of 2026-08-20)
Aug. 7, 2020	CRL	S	663	$216.93	$143,825	2,399 Direct	-21.65%	Disposed	34.1% (price as of 2026-08-20)
Aug. 7, 2020	CRL	M	735	—	—	2,206 Direct	-24.99%	Disposed	(price as of 2026-08-20)
Aug. 7, 2020	CRL	M	1,709	—	—	1,710 Direct	-49.99%	Disposed	(price as of 2026-08-20)
Aug. 7, 2020	CRL	M	997	—	—	333 Direct	-74.96%	Disposed	(price as of 2026-08-20)
Aug. 7, 2020	CRL	S	2,793	$216.52	$604,740	3,062 Direct	-47.70%	Disposed	34.4% (price as of 2026-08-20)
Aug. 7, 2020	CRL	M	735	$144.67	$106,332	5,855 Direct	+14.36%	Acquired	101.1% (price as of 2026-08-20)
Aug. 7, 2020	CRL	M	1,709	$109.34	$186,862	5,120 Direct	+50.10%	Acquired	166.1% (price as of 2026-08-20)
Aug. 7, 2020	CRL	M	997	$90.43	$90,159	3,411 Direct	+41.30%	Acquired	221.8% (price as of 2026-08-20)
May 29, 2020	CRL	A	1,616	—	—	1,616 Direct	—	Acquired	(price as of 2026-08-20)

Showing latest 100 of 119 transactions

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
Aug. 6, 2026	CRL	Stock Options (Right to Buy)	Common Stock (404)	$179.66	May 29, 2030	404	Disposed
Aug. 6, 2026	CRL	Stock Options (Right to Buy)	Common Stock (1,205)	$194.12	May 26, 2033	1,205	Disposed
Aug. 6, 2026	CRL	Stock Options (Right to Buy)	Common Stock (736)	$208.44	May 31, 2034	736	Disposed
May 31, 2024	CRL	Stock Options (Right to Buy)	Common Stock (1,472)	$208.44	May 31, 2034	1,472	Acquired
March 8, 2024	CRL	Stock Options (Right to Buy)	Common Stock (808)	$179.66	May 29, 2030	808	Disposed
Aug. 10, 2023	CRL	Stock Options (Right to Buy)	Common Stock (1,471)	$144.67	Feb. 22, 2024	1,471	Disposed
May 26, 2023	CRL	Stock Options (Right to Buy)	Common Stock (1,607)	$194.12	May 26, 2033	1,607	Acquired
Nov. 16, 2022	CRL	Stock Options (Right to Buy)	Common Stock (855)	$109.34	Feb. 23, 2023	855	Disposed
May 27, 2022	CRL	Stock Options (Right to Buy)	Common Stock (1,327)	$244.41	May 27, 2032	1,327	Acquired
June 4, 2021	CRL	Stock Options (Right to Buy)	Common Stock (404)	$179.66	May 29, 2030	404	Disposed
June 4, 2021	CRL	Stock Options (Right to Buy)	Common Stock (735)	$144.67	Feb. 22, 2024	735	Disposed
June 4, 2021	CRL	Stock Options (Right to Buy)	Common Stock (388)	$109.34	Feb. 23, 2023	388	Disposed
June 3, 2021	CRL	Stock Options (Right to Buy)	Common Stock (467)	$109.34	Feb. 23, 2023	467	Disposed
June 3, 2021	CRL	Stock Options (Right to Buy)	Common Stock (333)	$90.43	May 1, 2022	333	Disposed
May 28, 2021	CRL	Stock Options (Right to Buy)	Common Stock (1,006)	$337.99	May 28, 2031	1,006	Acquired
Aug. 7, 2020	CRL	Stock Options (Right to Buy)	Common Stock (735)	$144.67	Feb. 22, 2024	735	Disposed
Aug. 7, 2020	CRL	Stock Options (Right to Buy)	Common Stock (1,709)	$109.34	Feb. 23, 2023	1,709	Disposed
Aug. 7, 2020	CRL	Stock Options (Right to Buy)	Common Stock (997)	$90.43	May 1, 2022	997	Disposed
May 29, 2020	CRL	Stock Options (Right to Buy)	Common Stock (1,616)	$179.66	May 29, 2030	1,616	Acquired
Feb. 22, 2019	CRL	Stock Options (Right to Buy)	Common Stock (2,941)	$144.67	Feb. 22, 2024	2,941	Acquired
Feb. 23, 2018	CRL	Stock Options (Right to Buy)	Common Stock (3,419)	$109.34	Feb. 23, 2023	3,419	Acquired
May 1, 2017	CRL	Stock Options (Right to Buy)	Common Stock (1,330)	$90.43	May 1, 2022	1,330	Acquired
Oct. 4, 2016	BRKRP	Stock Option (Right to Buy)	Common Stock (5,856)	$22.19	Oct. 4, 2026	5,856	Acquired
Aug. 7, 2015	BRKRP	Stock Option (Right to Buy)	Common Stock (9,380)	$19.82	Aug. 7, 2025	9,380	Acquired
Aug. 8, 2014	BRKRP	Stock Option (Right to Buy)	Common Stock (6,583)	$20.68	Aug. 8, 2024	6,583	Acquired
Aug. 30, 2013	BRKRP	Stock Option (Right to Buy)	Common Stock (7,274)	$20.04	Aug. 30, 2023	7,274	Acquired
March 1, 2012	BRKRP	Stock Option (Right to Purchase)	Common Stock (35,000)	$16.05	March 1, 2022	35,000	Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 2 holdings

Securities held when first becoming an insider, per SEC Form 3.

Date	Ticker	Security	Shares	Ownership
May 3, 2017	CRL	Common Stock	0	Direct
March 6, 2012	BRKRP	No securities are beneficially owned	0	Direct

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

BRKRP

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2017	$76,221	—	—	—	—	—	$121,055	$197,276
2015	$231,697	—	—	$72,789	$171,962	—	$7,950	$484,398

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.