Michael Gunnar Knell
First SEC filing: June 2, 2026 · Latest: June 2, 2026
Insider at
Insider transactions
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| 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 | 13.9% (price as of 2026-10-05) |
| Aug. 6, 2026 | CRL | S | 901 | $260.63 | $234,828 | 13,977 Direct | -6.06% | Disposed | 13.2% (price as of 2026-10-05) |
| Aug. 6, 2026 | CRL | S | 810 | $261.45 | $211,774 | 13,167 Direct | -5.80% | Disposed | 12.9% (price as of 2026-10-05) |
| Aug. 6, 2026 | CRL | S | 213 | $262.37 | $55,885 | 12,954 Direct | -1.62% | Disposed | 12.5% (price as of 2026-10-05) |
| Aug. 6, 2026 | CRL | S | 620 | $263.94 | $163,643 | 12,334 Direct | -4.79% | Disposed | 11.8% (price as of 2026-10-05) |
| Aug. 6, 2026 | CRL | S | 482 | $265.17 | $127,812 | 11,852 Direct | -3.91% | Disposed | 11.3% (price as of 2026-10-05) |
| Aug. 6, 2026 | CRL | M | 404 | $179.66 | $72,583 | 12,256 Direct | +3.41% | Acquired | 64.2% (price as of 2026-10-05) |
| Aug. 6, 2026 | CRL | M | 1,205 | $194.12 | $233,915 | 13,461 Direct | +9.83% | Acquired | 52.0% (price as of 2026-10-05) |
| Aug. 6, 2026 | CRL | M | 736 | $208.44 | $153,412 | 14,197 Direct | +5.47% | Acquired | 41.6% (price as of 2026-10-05) |
| Aug. 6, 2026 | CRL | S | 404 | $258.53 | $104,446 | 13,793 Direct | -2.85% | Disposed | 14.1% (price as of 2026-10-05) |
| Aug. 6, 2026 | CRL | S | 1,205 | $258.53 | $311,529 | 12,588 Direct | -8.74% | Disposed | 14.1% (price as of 2026-10-05) |
| Aug. 6, 2026 | CRL | S | 736 | $258.53 | $190,278 | 11,852 Direct | -5.85% | Disposed | 14.1% (price as of 2026-10-05) |
| Aug. 6, 2026 | CRL | M | 404 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Aug. 6, 2026 | CRL | M | 1,205 | · | · | 402 Direct | -74.98% | Disposed | (price as of 2026-10-05) |
| Aug. 6, 2026 | CRL | M | 736 | · | · | 736 Direct | -50.00% | Disposed | (price as of 2026-10-05) |
| May 31, 2026 | CRL | F | 48 | $180.71 | $8,674 | 16,152 Direct | -0.30% | Disposed | 63.3% (price as of 2026-10-05) |
| May 30, 2026 | CRL | F | 152 | $180.71 | $27,468 | 16,200 Direct | -0.93% | Disposed | 63.3% (price as of 2026-10-05) |
| May 29, 2026 | CRL | A | 1,837 | $180.71 | $331,964 | 16,352 Direct | +12.66% | Acquired | 63.3% (price as of 2026-10-05) |
| May 27, 2026 | CRL | F | 37 | $156.73 | $5,799 | 14,515 Direct | -0.25% | Disposed | 88.3% (price as of 2026-10-05) |
| May 26, 2026 | CRL | F | 50 | $160.30 | $8,015 | 14,552 Direct | -0.34% | Disposed | 84.1% (price as of 2026-10-05) |
| Jan. 30, 2026 | CRL | F | 526 | $211.68 | $111,344 | 14,602 Direct | -3.48% | Disposed | 39.4% (price as of 2026-10-05) |
| Jan. 30, 2026 | CRL | A | 1,668 | · | · | 15,128 Direct | +12.39% | Acquired | (price as of 2026-10-05) |
| Nov. 6, 2025 | CRL | A | 2,926 | $170.88 | $499,995 | 13,460 Direct | +27.78% | Acquired | 72.7% (price as of 2026-10-05) |
| June 1, 2025 | CRL | F | 225 | $135.63 | $30,517 | 10,534 Direct | -2.09% | Disposed | 117.5% (price as of 2026-10-05) |
| May 31, 2025 | CRL | F | 48 | $135.63 | $6,510 | 10,759 Direct | -0.44% | Disposed | 117.5% (price as of 2026-10-05) |
| May 30, 2025 | CRL | A | 2,064 | $135.63 | $279,940 | 10,807 Direct | +23.61% | Acquired | 117.5% (price as of 2026-10-05) |
| May 28, 2025 | CRL | F | 25 | $138.65 | $3,466 | 8,743 Direct | -0.29% | Disposed | 112.8% (price as of 2026-10-05) |
| May 27, 2025 | CRL | F | 37 | $136.73 | $5,059 | 8,768 Direct | -0.42% | Disposed | 115.8% (price as of 2026-10-05) |
| May 26, 2025 | CRL | F | 50 | $136.73 | $6,836 | 8,805 Direct | -0.56% | Disposed | 115.8% (price as of 2026-10-05) |
| Jan. 31, 2025 | CRL | F | 282 | $165.57 | $46,691 | 8,855 Direct | -3.09% | Disposed | 78.2% (price as of 2026-10-05) |
| Jan. 31, 2025 | CRL | A | 811 | · | · | 9,137 Direct | +9.74% | Acquired | (price as of 2026-10-05) |
| May 31, 2024 | CRL | A | 1,472 | $208.44 | $306,824 | 1,472 Direct | · | Acquired | 41.6% (price as of 2026-10-05) |
| May 31, 2024 | CRL | A | 648 | · | · | 8,326 Direct | +8.44% | Acquired | (price as of 2026-10-05) |
| May 29, 2024 | CRL | F | 36 | $214.51 | $7,722 | 7,678 Direct | -0.47% | Disposed | 37.6% (price as of 2026-10-05) |
| May 28, 2024 | CRL | F | 24 | $217.21 | $5,213 | 7,714 Direct | -0.31% | Disposed | 35.8% (price as of 2026-10-05) |
| May 27, 2024 | CRL | F | 37 | $217.21 | $8,037 | 7,738 Direct | -0.48% | Disposed | 35.8% (price as of 2026-10-05) |
| May 26, 2024 | CRL | F | 50 | $217.21 | $10,860 | 7,775 Direct | -0.64% | Disposed | 35.8% (price as of 2026-10-05) |
| March 8, 2024 | CRL | M | 808 | · | · | 404 Direct | -66.67% | Disposed | (price as of 2026-10-05) |
| March 8, 2024 | CRL | S | 808 | $267.52 | $216,156 | 7,825 Direct | -9.36% | Disposed | 10.3% (price as of 2026-10-05) |
| March 8, 2024 | CRL | M | 808 | $267.52 | $216,156 | 8,633 Direct | +10.33% | Acquired | 10.3% (price as of 2026-10-05) |
| March 8, 2024 | CRL | S | 808 | $267.52 | $216,156 | 7,024 Direct | -10.32% | Disposed | 10.3% (price as of 2026-10-05) |
| March 4, 2024 | CRL | S | 1,000 | $261.35 | $261,350 | 7,832 Direct | -11.32% | Disposed | 12.9% (price as of 2026-10-05) |
| March 4, 2024 | CRL | S | 1,750 | $260.88 | $456,540 | 8,832 Direct | -16.54% | Disposed | 13.1% (price as of 2026-10-05) |
| Jan. 29, 2024 | CRL | F | 313 | $220.28 | $68,948 | 10,575 Direct | -2.87% | Disposed | 33.9% (price as of 2026-10-05) |
| Jan. 29, 2024 | CRL | A | 948 | · | · | 10,888 Direct | +9.54% | Acquired | (price as of 2026-10-05) |
| Jan. 29, 2024 | CRL | F | 326 | $220.28 | $71,811 | 10,582 Direct | -2.99% | Disposed | 33.9% (price as of 2026-10-05) |
| Jan. 29, 2024 | CRL | A | 968 | · | · | 10,908 Direct | +9.74% | Acquired | (price as of 2026-10-05) |
| Aug. 10, 2023 | CRL | M | 1,471 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Aug. 10, 2023 | CRL | S | 1,471 | $216.54 | $318,530 | 9,940 Direct | -12.89% | Disposed | 36.3% (price as of 2026-10-05) |
| Aug. 10, 2023 | CRL | M | 1,471 | $144.67 | $212,810 | 11,411 Direct | +14.80% | Acquired | 104.0% (price as of 2026-10-05) |
| June 1, 2023 | CRL | A | 1,528 | · | · | 9,940 Direct | +18.16% | Acquired | (price as of 2026-10-05) |
| May 29, 2023 | CRL | F | 36 | $194.12 | $6,988 | 8,412 Direct | -0.43% | Disposed | 52.0% (price as of 2026-10-05) |
| May 28, 2023 | CRL | F | 24 | $194.12 | $4,659 | 8,448 Direct | -0.28% | Disposed | 52.0% (price as of 2026-10-05) |
| May 27, 2023 | CRL | F | 36 | $194.12 | $6,988 | 8,472 Direct | -0.42% | Disposed | 52.0% (price as of 2026-10-05) |
| May 26, 2023 | CRL | A | 1,607 | $194.12 | $311,951 | 1,607 Direct | · | Acquired | 52.0% (price as of 2026-10-05) |
| May 26, 2023 | CRL | A | 670 | · | · | 8,508 Direct | +8.55% | Acquired | (price as of 2026-10-05) |
| Feb. 22, 2023 | CRL | F | 51 | $243.60 | $12,424 | 7,838 Direct | -0.65% | Disposed | 21.1% (price as of 2026-10-05) |
| Jan. 27, 2023 | CRL | F | 645 | $244.29 | $157,567 | 7,889 Direct | -7.56% | Disposed | 20.8% (price as of 2026-10-05) |
| Jan. 27, 2023 | CRL | A | 2,096 | · | · | 8,534 Direct | +32.56% | Acquired | (price as of 2026-10-05) |
| Nov. 16, 2022 | CRL | M | 855 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Nov. 16, 2022 | CRL | S | 855 | $248.59 | $212,544 | 6,438 Direct | -11.72% | Disposed | 18.7% (price as of 2026-10-05) |
| Nov. 16, 2022 | CRL | M | 855 | $109.34 | $93,486 | 7,293 Direct | +13.28% | Acquired | 169.9% (price as of 2026-10-05) |
| May 29, 2022 | CRL | F | 54 | $244.41 | $13,198 | 6,438 Direct | -0.83% | Disposed | 20.7% (price as of 2026-10-05) |
| May 28, 2022 | CRL | F | 37 | $244.41 | $9,043 | 6,492 Direct | -0.57% | Disposed | 20.7% (price as of 2026-10-05) |
| May 27, 2022 | CRL | A | 1,327 | $244.41 | $324,332 | 1,327 Direct | · | Acquired | 20.7% (price as of 2026-10-05) |
| May 27, 2022 | CRL | A | 491 | · | · | 6,529 Direct | +8.13% | Acquired | (price as of 2026-10-05) |
| Feb. 23, 2022 | CRL | F | 56 | $289.58 | $16,216 | 6,038 Direct | -0.92% | Disposed | 1.9% (price as of 2026-10-05) |
| Feb. 22, 2022 | CRL | F | 51 | $293.61 | $14,974 | 6,094 Direct | -0.83% | Disposed | 0.5% (price as of 2026-10-05) |
| Jan. 28, 2022 | CRL | F | 826 | $312.24 | $257,910 | 6,145 Direct | -11.85% | Disposed | -5.5% (price as of 2026-10-05) |
| Jan. 28, 2022 | CRL | A | 2,741 | · | · | 6,971 Direct | +64.80% | Acquired | (price as of 2026-10-05) |
| June 4, 2021 | CRL | M | 404 | · | · | 1,212 Direct | -25.00% | Disposed | (price as of 2026-10-05) |
| June 4, 2021 | CRL | M | 735 | · | · | 1,471 Direct | -33.32% | Disposed | (price as of 2026-10-05) |
| June 4, 2021 | CRL | M | 388 | · | · | 855 Direct | -31.21% | Disposed | (price as of 2026-10-05) |
| June 4, 2021 | CRL | S | 1,527 | $335.24 | $511,911 | 4,230 Direct | -26.52% | Disposed | -12.0% (price as of 2026-10-05) |
| June 4, 2021 | CRL | M | 404 | $179.66 | $72,583 | 5,757 Direct | +7.55% | Acquired | 64.2% (price as of 2026-10-05) |
| June 4, 2021 | CRL | M | 735 | $144.67 | $106,332 | 5,353 Direct | +15.92% | Acquired | 104.0% (price as of 2026-10-05) |
| June 4, 2021 | CRL | M | 388 | $109.34 | $42,424 | 4,618 Direct | +9.17% | Acquired | 169.9% (price as of 2026-10-05) |
| June 3, 2021 | CRL | M | 467 | · | · | 1,243 Direct | -27.31% | Disposed | (price as of 2026-10-05) |
| June 3, 2021 | CRL | M | 333 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| June 3, 2021 | CRL | S | 800 | $329.76 | $263,808 | 4,230 Direct | -15.90% | Disposed | -10.5% (price as of 2026-10-05) |
| June 3, 2021 | CRL | M | 467 | $109.34 | $51,062 | 5,030 Direct | +10.23% | Acquired | 169.9% (price as of 2026-10-05) |
| June 3, 2021 | CRL | M | 333 | $90.43 | $30,113 | 4,563 Direct | +7.87% | Acquired | 226.3% (price as of 2026-10-05) |
| May 29, 2021 | CRL | F | 54 | $337.99 | $18,251 | 4,230 Direct | -1.26% | Disposed | -12.7% (price as of 2026-10-05) |
| May 28, 2021 | CRL | A | 1,006 | $337.99 | $340,018 | 1,006 Direct | · | Acquired | -12.7% (price as of 2026-10-05) |
| May 28, 2021 | CRL | A | 325 | · | · | 4,284 Direct | +8.21% | Acquired | (price as of 2026-10-05) |
| May 1, 2021 | CRL | F | 93 | $332.45 | $30,918 | 3,959 Direct | -2.30% | Disposed | -11.2% (price as of 2026-10-05) |
| Feb. 23, 2021 | CRL | F | 84 | $283.59 | $23,822 | 4,052 Direct | -2.03% | Disposed | 4.0% (price as of 2026-10-05) |
| Feb. 22, 2021 | CRL | F | 62 | $289.55 | $17,952 | 4,136 Direct | -1.48% | Disposed | 1.9% (price as of 2026-10-05) |
| Feb. 19, 2021 | CRL | S | 410 | $290.99 | $119,306 | 4,198 Direct | -8.90% | Disposed | 1.4% (price as of 2026-10-05) |
| Jan. 29, 2021 | CRL | F | 953 | $260.88 | $248,619 | 4,608 Direct | -17.14% | Disposed | 13.1% (price as of 2026-10-05) |
| Jan. 29, 2021 | CRL | A | 3,162 | · | · | 5,561 Direct | +131.80% | Acquired | (price as of 2026-10-05) |
| Aug. 7, 2020 | CRL | S | 663 | $216.93 | $143,825 | 2,399 Direct | -21.65% | Disposed | 36.0% (price as of 2026-10-05) |
| Aug. 7, 2020 | CRL | M | 735 | · | · | 2,206 Direct | -24.99% | Disposed | (price as of 2026-10-05) |
| Aug. 7, 2020 | CRL | M | 1,709 | · | · | 1,710 Direct | -49.99% | Disposed | (price as of 2026-10-05) |
| Aug. 7, 2020 | CRL | M | 997 | · | · | 333 Direct | -74.96% | Disposed | (price as of 2026-10-05) |
| Aug. 7, 2020 | CRL | S | 2,793 | $216.52 | $604,740 | 3,062 Direct | -47.70% | Disposed | 36.3% (price as of 2026-10-05) |
| Aug. 7, 2020 | CRL | M | 735 | $144.67 | $106,332 | 5,855 Direct | +14.36% | Acquired | 104.0% (price as of 2026-10-05) |
| Aug. 7, 2020 | CRL | M | 1,709 | $109.34 | $186,862 | 5,120 Direct | +50.10% | Acquired | 169.9% (price as of 2026-10-05) |
| Aug. 7, 2020 | CRL | M | 997 | $90.43 | $90,159 | 3,411 Direct | +41.30% | Acquired | 226.3% (price as of 2026-10-05) |
| May 29, 2020 | CRL | A | 1,616 | · | · | 1,616 Direct | · | Acquired | (price as of 2026-10-05) |
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 | $179.66 | May 29, 2030 | 404 | Disposed |
| Aug. 6, 2026 | CRL | Stock Options (Right to Buy) | Common Stock | $194.12 | May 26, 2033 | 1,205 | Disposed |
| Aug. 6, 2026 | CRL | Stock Options (Right to Buy) | Common Stock | $208.44 | May 31, 2034 | 736 | Disposed |
| May 31, 2024 | CRL | Stock Options (Right to Buy) | Common Stock | $208.44 | May 31, 2034 | 1,472 | Acquired |
| March 8, 2024 | CRL | Stock Options (Right to Buy) | Common Stock | $179.66 | May 29, 2030 | 808 | Disposed |
| Aug. 10, 2023 | CRL | Stock Options (Right to Buy) | Common Stock | $144.67 | Feb. 22, 2024 | 1,471 | Disposed |
| May 26, 2023 | CRL | Stock Options (Right to Buy) | Common Stock | $194.12 | May 26, 2033 | 1,607 | Acquired |
| Nov. 16, 2022 | CRL | Stock Options (Right to Buy) | Common Stock | $109.34 | Feb. 23, 2023 | 855 | Disposed |
| May 27, 2022 | CRL | Stock Options (Right to Buy) | Common Stock | $244.41 | May 27, 2032 | 1,327 | Acquired |
| June 4, 2021 | CRL | Stock Options (Right to Buy) | Common Stock | $179.66 | May 29, 2030 | 404 | Disposed |
| June 4, 2021 | CRL | Stock Options (Right to Buy) | Common Stock | $144.67 | Feb. 22, 2024 | 735 | Disposed |
| June 4, 2021 | CRL | Stock Options (Right to Buy) | Common Stock | $109.34 | Feb. 23, 2023 | 388 | Disposed |
| June 3, 2021 | CRL | Stock Options (Right to Buy) | Common Stock | $109.34 | Feb. 23, 2023 | 467 | Disposed |
| June 3, 2021 | CRL | Stock Options (Right to Buy) | Common Stock | $90.43 | May 1, 2022 | 333 | Disposed |
| May 28, 2021 | CRL | Stock Options (Right to Buy) | Common Stock | $337.99 | May 28, 2031 | 1,006 | Acquired |
| Aug. 7, 2020 | CRL | Stock Options (Right to Buy) | Common Stock | $144.67 | Feb. 22, 2024 | 735 | Disposed |
| Aug. 7, 2020 | CRL | Stock Options (Right to Buy) | Common Stock | $109.34 | Feb. 23, 2023 | 1,709 | Disposed |
| Aug. 7, 2020 | CRL | Stock Options (Right to Buy) | Common Stock | $90.43 | May 1, 2022 | 997 | Disposed |
| May 29, 2020 | CRL | Stock Options (Right to Buy) | Common Stock | $179.66 | May 29, 2030 | 1,616 | Acquired |
| Feb. 22, 2019 | CRL | Stock Options (Right to Buy) | Common Stock | $144.67 | Feb. 22, 2024 | 2,941 | Acquired |
| Feb. 23, 2018 | CRL | Stock Options (Right to Buy) | Common Stock | $109.34 | Feb. 23, 2023 | 3,419 | Acquired |
| May 1, 2017 | CRL | Stock Options (Right to Buy) | Common Stock | $90.43 | May 1, 2022 | 1,330 | Acquired |
| Oct. 4, 2016 | BRKRP | Stock Option (Right to Buy) | Common Stock | $22.19 | Oct. 4, 2026 | 5,856 | Acquired |
| Aug. 7, 2015 | BRKRP | Stock Option (Right to Buy) | Common Stock | $19.82 | Aug. 7, 2025 | 9,380 | Acquired |
| Aug. 8, 2014 | BRKRP | Stock Option (Right to Buy) | Common Stock | $20.68 | Aug. 8, 2024 | 6,583 | Acquired |
| Aug. 30, 2013 | BRKRP | Stock Option (Right to Buy) | Common Stock | $20.04 | Aug. 30, 2023 | 7,274 | Acquired |
| March 1, 2012 | BRKRP | Stock Option (Right to Purchase) | Common Stock | $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.
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| 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.