Birgit Girshick
First SEC filing: Feb. 21, 2018 · Latest: June 8, 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. 19, 2026 | CRL | G | 528 | · | · | 35,485 Direct | -1.47% | Disposed | (price as of 2026-10-02) |
| Aug. 11, 2026 | CRL | M | 6,500 | $179.66 | $1,167,790 | 42,513 Direct | +18.05% | Acquired | 61.5% (price as of 2026-10-02) |
| Aug. 11, 2026 | CRL | S 10b5-1 | 6,500 | $279.90 | $1,819,350 | 36,013 Direct | -15.29% | Disposed | 3.7% (price as of 2026-10-02) |
| Aug. 11, 2026 | CRL | M | 6,500 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| June 5, 2026 | CRL | G | 3,386 | · | · | 43,803 Indirect | +8.38% | Acquired | (price as of 2026-10-02) |
| June 5, 2026 | CRL | G | 3,386 | · | · | 36,013 Direct | -8.59% | Disposed | (price as of 2026-10-02) |
| May 31, 2026 | CRL | F | 378 | $180.71 | $68,308 | 39,399 Direct | -0.95% | Disposed | 60.6% (price as of 2026-10-02) |
| May 30, 2026 | CRL | F | 1,204 | $180.71 | $217,575 | 39,777 Direct | -2.94% | Disposed | 60.6% (price as of 2026-10-02) |
| May 29, 2026 | CRL | A | 9,961 | $180.71 | $1,800,052 | 40,981 Direct | +32.11% | Acquired | 60.6% (price as of 2026-10-02) |
| May 27, 2026 | CRL | F | 242 | $156.73 | $37,929 | 31,020 Direct | -0.77% | Disposed | 85.2% (price as of 2026-10-02) |
| May 26, 2026 | CRL | F | 376 | $160.30 | $60,273 | 31,262 Direct | -1.19% | Disposed | 81.0% (price as of 2026-10-02) |
| March 4, 2026 | CRL | G | 328 | · | · | 40,417 Indirect | -0.81% | Disposed | (price as of 2026-10-02) |
| Jan. 30, 2026 | CRL | F | 3,061 | $211.68 | $647,952 | 26,913 Direct | -10.21% | Disposed | 37.1% (price as of 2026-10-02) |
| Jan. 30, 2026 | CRL | A | 9,500 | · | · | 29,974 Direct | +46.40% | Acquired | (price as of 2026-10-02) |
| May 31, 2025 | CRL | F | 283 | $135.63 | $38,383 | 65,944 Direct | -0.43% | Disposed | 114.0% (price as of 2026-10-02) |
| May 30, 2025 | CRL | A | 12,239 | $135.63 | $1,659,976 | 66,227 Direct | +22.67% | Acquired | 114.0% (price as of 2026-10-02) |
| May 28, 2025 | CRL | F | 117 | $138.65 | $16,222 | 53,988 Direct | -0.22% | Disposed | 109.3% (price as of 2026-10-02) |
| May 27, 2025 | CRL | F | 242 | $136.73 | $33,089 | 54,105 Direct | -0.45% | Disposed | 112.2% (price as of 2026-10-02) |
| May 26, 2025 | CRL | F | 281 | $136.73 | $38,421 | 54,347 Direct | -0.51% | Disposed | 112.2% (price as of 2026-10-02) |
| Feb. 25, 2025 | CRL | G | 430 | · | · | 54,628 Direct | -0.78% | Disposed | (price as of 2026-10-02) |
| Feb. 20, 2025 | CRL | P | 1,514 | $164.63 | $249,250 | 55,058 Direct | +2.83% | Acquired | 76.3% (price as of 2026-10-02) |
| Jan. 31, 2025 | CRL | F | 1,025 | $165.57 | $169,709 | 53,544 Direct | -1.88% | Disposed | 75.3% (price as of 2026-10-02) |
| Jan. 31, 2025 | CRL | A | 4,057 | · | · | 54,569 Direct | +8.03% | Acquired | (price as of 2026-10-02) |
| May 31, 2024 | CRL | A | 8,722 | $208.44 | $1,818,014 | 8,722 Direct | · | Acquired | 39.2% (price as of 2026-10-02) |
| May 31, 2024 | CRL | A | 3,838 | · | · | 50,512 Direct | +8.22% | Acquired | (price as of 2026-10-02) |
| May 29, 2024 | CRL | F | 216 | $214.51 | $46,334 | 46,674 Direct | -0.46% | Disposed | 35.3% (price as of 2026-10-02) |
| May 28, 2024 | CRL | F | 132 | $217.21 | $28,672 | 46,890 Direct | -0.28% | Disposed | 33.6% (price as of 2026-10-02) |
| May 27, 2024 | CRL | F | 242 | $217.21 | $52,565 | 47,022 Direct | -0.51% | Disposed | 33.6% (price as of 2026-10-02) |
| May 26, 2024 | CRL | F | 376 | $217.21 | $81,671 | 47,264 Direct | -0.79% | Disposed | 33.6% (price as of 2026-10-02) |
| Feb. 15, 2024 | CRL | G | 424 | · | · | 47,691 Direct | -0.88% | Disposed | (price as of 2026-10-02) |
| Jan. 29, 2024 | CRL | F | 1,135 | $220.28 | $250,018 | 48,064 Direct | -2.31% | Disposed | 31.7% (price as of 2026-10-02) |
| Jan. 29, 2024 | CRL | A | 3,451 | · | · | 49,199 Direct | +7.54% | Acquired | (price as of 2026-10-02) |
| Jan. 29, 2024 | CRL | F | 1,159 | $220.28 | $255,305 | 48,115 Direct | -2.35% | Disposed | 31.7% (price as of 2026-10-02) |
| Jan. 29, 2024 | CRL | A | 3,526 | · | · | 49,274 Direct | +7.71% | Acquired | (price as of 2026-10-02) |
| Jan. 10, 2024 | CRL | M | 5,916 | $144.67 | $855,868 | 50,365 Direct | +13.31% | Acquired | 100.6% (price as of 2026-10-02) |
| Jan. 10, 2024 | CRL | F | 4,617 | $213.14 | $984,067 | 45,748 Direct | -9.17% | Disposed | 36.1% (price as of 2026-10-02) |
| Jan. 10, 2024 | CRL | M | 5,916 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Jan. 10, 2024 | CRL | F | 4,590 | $215.19 | $987,722 | 45,775 Direct | -9.11% | Disposed | 34.9% (price as of 2026-10-02) |
| Jan. 10, 2024 | CRL | M | 5,916 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Jan. 10, 2024 | CRL | M | 5,916 | $215.19 | $1,273,064 | 50,365 Direct | +13.31% | Acquired | 34.9% (price as of 2026-10-02) |
| Nov. 20, 2023 | CRL | P | 1,322 | $187.82 | $248,298 | 44,449 Direct | +3.07% | Acquired | 54.5% (price as of 2026-10-02) |
| May 29, 2023 | CRL | F | 216 | $194.12 | $41,930 | 43,477 Direct | -0.49% | Disposed | 49.5% (price as of 2026-10-02) |
| May 28, 2023 | CRL | F | 132 | $194.12 | $25,624 | 43,693 Direct | -0.30% | Disposed | 49.5% (price as of 2026-10-02) |
| May 27, 2023 | CRL | F | 242 | $194.12 | $46,977 | 43,825 Direct | -0.55% | Disposed | 49.5% (price as of 2026-10-02) |
| May 26, 2023 | CRL | A | 9,145 | $194.12 | $1,775,227 | 9,145 Direct | · | Acquired | 49.5% (price as of 2026-10-02) |
| May 26, 2023 | CRL | A | 3,812 | · | · | 44,067 Direct | +9.47% | Acquired | (price as of 2026-10-02) |
| March 7, 2023 | CRL | G | 475 | · | · | 40,255 Direct | -1.17% | Disposed | (price as of 2026-10-02) |
| Feb. 22, 2023 | CRL | F | 308 | $243.60 | $75,029 | 40,730 Direct | -0.75% | Disposed | 19.1% (price as of 2026-10-02) |
| Feb. 16, 2023 | CRL | M | 3,205 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 16, 2023 | CRL | S 10b5-1 | 502 | $256.48 | $128,753 | 41,038 Direct | -1.21% | Disposed | 13.1% (price as of 2026-10-02) |
| Feb. 16, 2023 | CRL | S 10b5-1 | 1,392 | $255.65 | $355,865 | 41,540 Direct | -3.24% | Disposed | 13.5% (price as of 2026-10-02) |
| Feb. 16, 2023 | CRL | S 10b5-1 | 417 | $254.55 | $106,147 | 42,932 Direct | -0.96% | Disposed | 14.0% (price as of 2026-10-02) |
| Feb. 16, 2023 | CRL | S 10b5-1 | 219 | $253.78 | $55,578 | 43,349 Direct | -0.50% | Disposed | 14.3% (price as of 2026-10-02) |
| Feb. 16, 2023 | CRL | S 10b5-1 | 157 | $252.87 | $39,701 | 43,568 Direct | -0.36% | Disposed | 14.8% (price as of 2026-10-02) |
| Feb. 16, 2023 | CRL | S 10b5-1 | 183 | $251.56 | $46,035 | 43,725 Direct | -0.42% | Disposed | 15.4% (price as of 2026-10-02) |
| Feb. 16, 2023 | CRL | S 10b5-1 | 78 | $250.69 | $19,554 | 43,908 Direct | -0.18% | Disposed | 15.8% (price as of 2026-10-02) |
| Feb. 16, 2023 | CRL | S 10b5-1 | 73 | $249.22 | $18,193 | 43,986 Direct | -0.17% | Disposed | 16.4% (price as of 2026-10-02) |
| Feb. 16, 2023 | CRL | S 10b5-1 | 100 | $248.06 | $24,806 | 44,059 Direct | -0.23% | Disposed | 17.0% (price as of 2026-10-02) |
| Feb. 16, 2023 | CRL | S 10b5-1 | 84 | $246.13 | $20,675 | 44,159 Direct | -0.19% | Disposed | 17.9% (price as of 2026-10-02) |
| Feb. 16, 2023 | CRL | M | 3,205 | $109.34 | $350,435 | 44,243 Direct | +7.81% | Acquired | 165.4% (price as of 2026-10-02) |
| Jan. 27, 2023 | CRL | F | 3,153 | $244.29 | $770,246 | 41,038 Direct | -7.13% | Disposed | 18.8% (price as of 2026-10-02) |
| Jan. 27, 2023 | CRL | A | 8,435 | · | · | 44,191 Direct | +23.59% | Acquired | (price as of 2026-10-02) |
| May 29, 2022 | CRL | F | 218 | $244.41 | $53,281 | 35,756 Direct | -0.61% | Disposed | 18.7% (price as of 2026-10-02) |
| May 28, 2022 | CRL | F | 150 | $244.41 | $36,662 | 35,974 Direct | -0.42% | Disposed | 18.7% (price as of 2026-10-02) |
| May 27, 2022 | CRL | A | 6,634 | $244.41 | $1,621,416 | 6,634 Direct | · | Acquired | 18.7% (price as of 2026-10-02) |
| May 27, 2022 | CRL | A | 2,455 | · | · | 36,124 Direct | +7.29% | Acquired | (price as of 2026-10-02) |
| Feb. 23, 2022 | CRL | F | 280 | $289.58 | $81,082 | 33,669 Direct | -0.82% | Disposed | 0.2% (price as of 2026-10-02) |
| Feb. 22, 2022 | CRL | F | 274 | $293.61 | $80,449 | 33,949 Direct | -0.80% | Disposed | -1.2% (price as of 2026-10-02) |
| Jan. 28, 2022 | CRL | F | 3,877 | $312.24 | $1,210,554 | 34,223 Direct | -10.18% | Disposed | -7.1% (price as of 2026-10-02) |
| Jan. 28, 2022 | CRL | A | 11,029 | · | · | 38,100 Direct | +40.74% | Acquired | (price as of 2026-10-02) |
| Sept. 23, 2021 | CRL | G | 531 | · | · | 27,071 Direct | -1.92% | Disposed | (price as of 2026-10-02) |
| Sept. 14, 2021 | CRL | S 10b5-1 | 2,344 | $439.90 | $1,031,126 | 27,602 Direct | -7.83% | Disposed | -34.0% (price as of 2026-10-02) |
| Sept. 13, 2021 | CRL | S 10b5-1 | 7 | $442.73 | $3,099 | 29,946 Direct | -0.02% | Disposed | -34.5% (price as of 2026-10-02) |
| Sept. 13, 2021 | CRL | S 10b5-1 | 72 | $442.15 | $31,835 | 29,953 Direct | -0.24% | Disposed | -34.4% (price as of 2026-10-02) |
| Sept. 13, 2021 | CRL | S 10b5-1 | 2 | $441.66 | $883 | 30,025 Direct | -0.01% | Disposed | -34.3% (price as of 2026-10-02) |
| May 29, 2021 | CRL | F | 216 | $337.99 | $73,006 | 30,027 Direct | -0.71% | Disposed | -14.1% (price as of 2026-10-02) |
| May 28, 2021 | CRL | A | 3,659 | $337.99 | $1,236,705 | 3,659 Direct | · | Acquired | -14.1% (price as of 2026-10-02) |
| May 28, 2021 | CRL | A | 1,183 | · | · | 30,243 Direct | +4.07% | Acquired | (price as of 2026-10-02) |
| April 6, 2021 | CRL | M | 5,916 | · | · | 5,916 Direct | -50.00% | Disposed | (price as of 2026-10-02) |
| April 6, 2021 | CRL | M | 6,409 | · | · | 3,205 Direct | -66.66% | Disposed | (price as of 2026-10-02) |
| April 6, 2021 | CRL | M | 5,986 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| April 6, 2021 | CRL | S 10b5-1 | 5,916 | $304.85 | $1,803,493 | 29,060 Direct | -16.91% | Disposed | -4.8% (price as of 2026-10-02) |
| April 6, 2021 | CRL | M | 5,916 | $144.67 | $855,868 | 34,976 Direct | +20.36% | Acquired | 100.6% (price as of 2026-10-02) |
| April 6, 2021 | CRL | S 10b5-1 | 6,409 | $304.85 | $1,953,784 | 29,060 Direct | -18.07% | Disposed | -4.8% (price as of 2026-10-02) |
| April 6, 2021 | CRL | M | 6,409 | $109.34 | $700,760 | 35,469 Direct | +22.05% | Acquired | 165.4% (price as of 2026-10-02) |
| April 6, 2021 | CRL | S 10b5-1 | 5,986 | $298.00 | $1,783,828 | 29,060 Direct | -17.08% | Disposed | -2.6% (price as of 2026-10-02) |
| April 6, 2021 | CRL | M | 5,986 | $88.05 | $527,067 | 35,046 Direct | +20.60% | Acquired | 229.6% (price as of 2026-10-02) |
| April 5, 2021 | CRL | M | 999 | · | · | 5,986 Direct | -14.30% | Disposed | (price as of 2026-10-02) |
| April 5, 2021 | CRL | S 10b5-1 | 999 | $298.00 | $297,702 | 29,060 Direct | -3.32% | Disposed | -2.6% (price as of 2026-10-02) |
| April 5, 2021 | CRL | M | 999 | $88.05 | $87,962 | 30,059 Direct | +3.44% | Acquired | 229.6% (price as of 2026-10-02) |
| March 1, 2021 | CRL | G | 350 | · | · | 28,710 Direct | -1.20% | Disposed | (price as of 2026-10-02) |
| Feb. 24, 2021 | CRL | F | 322 | $282.98 | $91,120 | 29,060 Direct | -1.10% | Disposed | 2.5% (price as of 2026-10-02) |
| Feb. 23, 2021 | CRL | F | 315 | $283.59 | $89,331 | 29,382 Direct | -1.06% | Disposed | 2.3% (price as of 2026-10-02) |
| Feb. 22, 2021 | CRL | F | 308 | $289.55 | $89,181 | 29,697 Direct | -1.03% | Disposed | 0.2% (price as of 2026-10-02) |
| Feb. 19, 2021 | CRL | M | 1,675 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 19, 2021 | CRL | S | 1,675 | $293.92 | $492,316 | 30,005 Direct | -5.29% | Disposed | -1.3% (price as of 2026-10-02) |
| Feb. 19, 2021 | CRL | M | 1,675 | $73.70 | $123,448 | 31,680 Direct | +5.58% | Acquired | 293.7% (price as of 2026-10-02) |
| Jan. 29, 2021 | CRL | F | 4,709 | $260.88 | $1,228,484 | 30,005 Direct | -13.57% | Disposed | 11.2% (price as of 2026-10-02) |
| Jan. 29, 2021 | CRL | A | 11,862 | · | · | 34,714 Direct | +51.91% | Acquired | (price as of 2026-10-02) |
| Aug. 20, 2020 | CRL | S | 933 | $213.51 | $199,205 | 22,852 Direct | -3.92% | Disposed | 35.9% (price as of 2026-10-02) |
Showing latest 100 of 274 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. 11, 2026 | CRL | Stock Options (Right to Buy) | Common Stock | $179.66 | May 29, 2030 | 6,500 | Disposed |
| May 31, 2024 | CRL | Stock Options (Right to Buy) | Common Stock | $208.44 | May 31, 2034 | 8,722 | Acquired |
| Jan. 10, 2024 | CRL | Stock Options (Right to Buy) | Common Stock | $144.67 | Feb. 22, 2024 | 5,916 | Disposed |
| Jan. 10, 2024 | CRL | Stock Options (Right to Buy) | Common Stock | $144.67 | Feb. 22, 2024 | 5,916 | Disposed |
| May 26, 2023 | CRL | Stock Options (Right to Buy) | Common Stock | $194.12 | May 26, 2033 | 9,145 | Acquired |
| Feb. 16, 2023 | CRL | Stock Options (Right to Buy) | Common Stock | $109.34 | Feb. 23, 2023 | 3,205 | Disposed |
| May 27, 2022 | CRL | Stock Options (Right to Buy) | Common Stock | $244.41 | May 27, 2032 | 6,634 | Acquired |
| May 28, 2021 | CRL | Stock Options (Right to Buy) | Common Stock | $337.99 | May 28, 2031 | 3,659 | Acquired |
| April 6, 2021 | CRL | Stock Options (Right to Buy) | Common Stock | $144.67 | Feb. 22, 2024 | 5,916 | Disposed |
| April 6, 2021 | CRL | Stock Options (Right to Buy) | Common Stock | $109.34 | Feb. 23, 2023 | 6,409 | Disposed |
| April 6, 2021 | CRL | Stock Options (Right to Buy) | Common Stock | $88.05 | Feb. 24, 2022 | 5,986 | Disposed |
| April 5, 2021 | CRL | Stock Options (Right to Buy) | Common Stock | $88.05 | Feb. 24, 2022 | 999 | Disposed |
| Feb. 19, 2021 | CRL | Stock Options (Right to Buy) | Common Stock | $73.70 | Feb. 26, 2021 | 1,675 | Disposed |
| May 29, 2020 | CRL | Stock Options (Right to Buy) | Common Stock | $179.66 | May 29, 2030 | 6,500 | Acquired |
| Nov. 13, 2019 | CRL | Stock Options (Right to Buy) | Common Stock | $109.34 | Feb. 23, 2023 | 3,204 | Disposed |
| Nov. 13, 2019 | CRL | Stock Options (Right to Buy) | Common Stock | $88.05 | Feb. 24, 2022 | 3,492 | Disposed |
| Nov. 13, 2019 | CRL | Stock Options (Right to Buy) | Common Stock | $73.70 | Feb. 26, 2021 | 1,675 | Disposed |
| Nov. 13, 2019 | CRL | Stock Options (Right to Buy) | Common Stock | $76.67 | Feb. 27, 2020 | 1,233 | Disposed |
| Feb. 22, 2019 | CRL | Stock Options (Right to Buy) | Common Stock | $144.67 | Feb. 22, 2024 | 11,832 | Acquired |
| March 6, 2018 | CRL | Stock Options (Right to Buy) | Common Stock | $88.05 | Feb. 24, 2022 | 3,492 | Disposed |
| March 6, 2018 | CRL | Stock Options (Right to Buy) | Common Stock | $73.70 | Feb. 26, 2021 | 1,675 | Disposed |
| March 6, 2018 | CRL | Stock Options (Right to Buy) | Common Stock | $76.67 | Feb. 27, 2020 | 1,233 | Disposed |
| March 6, 2018 | CRL | Stock Options (Right to Buy) | Common Stock | $59.41 | Feb. 28, 2021 | 913 | Disposed |
| Feb. 23, 2018 | CRL | Stock Options (Right to Buy) | Common Stock | $109.34 | Feb. 23, 2023 | 12,818 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 5 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Feb. 21, 2018 | CRL | Common Stock | · | Direct |
| Feb. 21, 2018 | CRL | Stock Options (Right to Buy) | 913 | Direct |
| Feb. 21, 2018 | CRL | Stock Options (Right to Buy) | 2,466 | Direct |
| Feb. 21, 2018 | CRL | Stock Options (Right to Buy) | 5,025 | Direct |
| Feb. 21, 2018 | CRL | Stock Options (Right to Buy) | 13,969 | Direct |
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 |
|---|---|---|---|---|---|---|---|---|
| 2024 | $742,485 | · | $3,155,595 | $798,237 | $242,352 | · | $117,806 | $5,056,475 |
| 2023 | $704,811 | · | $2,964,471 | $744,677 | $442,830 | · | $132,882 | $4,989,672 |
| 2022 | $650,000 | · | $2,412,795 | $601,505 | $379,600 | · | $121,630 | $4,165,529 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.