MarketPeel
BG

Birgit Girshick

CRL
CORPORATE EXECUTIVE VP & COO · CHARLES RIVER LABORATORIES INTERNATIONAL, INC. · CIK 0001732091
FILING MIX · LIFETIME29%/71%
BUYS
32
SELLS
78
TOTAL VALUE
$35.67M
COMPANIES
1
ACTIVE SINCE
Feb 2020
HOLDINGS NOW
35,485
AVG SELL PX
$257.42
TRADE KIND
SHOWING 110 / 110
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
24 backtested trades · 8 horizons · 1 pendingHow are these numbers computed? →
Forward-return performance of every backtestable P/S trade by Birgit Girshick, measured at 8 horizons from 7 days to 2 years. Deduped per economic event so co-filings count once. Excess return = trade return minus SPY return over the same window.
HORIZONTRADESWIN RATEINSIDER RETURNSPY RETURNMEAN EXCESSMEDIAN EXCESST-STAT
7d24+54.17%-3.45%-0.99%-2.46%+0.87%
14d24+66.67%-3.53%-1.47%-2.06%-3.00%
30d24+75.00%-8.66%-2.33%-6.33%-4.71%
60d24+66.67%-7.80%+1.94%-9.74%-16.28%
90d24+66.67%-5.37%+3.71%-9.08%-21.09%
180d24+62.50%-1.60%+7.30%-8.90%-26.67%
1y24+79.17%+0.29%+16.66%-16.37%-27.86%
2y24(1 pending)+82.61%-28.12%+31.50%-59.62%-56.90%
How to read this: Insider Returnis the average raw return of the filer's trades over the horizon. SPY Return is what SPY did over those same windows — reference only, not a comparison. The headline alpha number is Mean Excess = Insider − SPY; green means the filer beat SPY, red means they trailed it. Win rate is the share of individual trades where the filer beat SPY. T-statvalues above 2 mean the alpha is unlikely to be chance given the sample size. "Pending" counts trades where the horizon hasn't elapsed yet; their stats are not included in the row average.
Holdings over time
CRL · 35,485 shares · as of Aug 19, 2026
016,55733,11449,67066,227202120222023202420252026SHARES HELD
Trading cadence · quarterly flow
BUY SELL
2020
2020
2020
2020
2021
2021
2021
2021
2022
2022
2022
2022
2023
2023
2023
2023
2024
2024
2024
2024
2025
2025
2025
2025
2026
2026
2026
FLOW · 32 buys / 78 sellsCOVERAGE · 27 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALEGRANT
Gift
52835,485Aug 19, 2026Aug 19, 2026View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Chief Executive Officer
6,5000Aug 11, 2026Aug 12, 2026View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE10b5-1
10b5-1 plan
6,500$279.90$1.82M36,013Aug 11, 2026Aug 12, 2026View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
PURCHASE
Chief Executive Officer
6,500$179.66$1.17M42,513Aug 11, 2026Aug 12, 2026View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALEGRANT
Gift
3,38636,013Jun 5, 2026Jun 5, 2026View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
PURCHASEGRANT
Gift
3,38643,803Jun 5, 2026Jun 5, 2026View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Chief Executive Officer
378$180.71$68.3K39,399May 31, 2026Jun 2, 2026View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Chief Executive Officer
1,204$180.71$217.6K39,777May 30, 2026Jun 2, 2026View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
PURCHASEGRANT
Stock grant
9,961$180.71$1.80M40,981May 29, 2026Jun 2, 2026View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Chief Executive Officer
242$156.73$37.9K31,020May 27, 2026May 27, 2026View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Chief Executive Officer
376$160.30$60.3K31,262May 26, 2026May 27, 2026View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALEGRANT
Gift
32840,417Mar 4, 2026Mar 5, 2026View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
PURCHASEGRANT
Stock grant
9,50029,974Jan 30, 2026Feb 2, 2026View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP & COO
3,061$211.68$648.0K26,913Jan 30, 2026Feb 2, 2026View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP & COO
283$135.63$38.4K65,944May 31, 2025Jun 2, 2025View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
PURCHASEGRANT
Stock grant
12,239$135.63$1.66M66,227May 30, 2025Jun 2, 2025View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP & COO
117$138.65$16.2K53,988May 28, 2025May 28, 2025View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP & COO
242$136.73$33.1K54,105May 27, 2025May 28, 2025View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP & COO
281$136.73$38.4K54,347May 26, 2025May 28, 2025View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALEGRANT
Gift
43054,628Feb 25, 2025Feb 26, 2025View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
PURCHASE
Corporate Executive VP & COO
1,514$164.63$249.2K55,058Feb 20, 2025Feb 20, 2025View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP & COO
1,025$165.57$169.7K53,544Jan 31, 2025Feb 1, 2025View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
PURCHASEGRANT
Stock grant
4,05754,569Jan 31, 2025Feb 1, 2025View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
PURCHASEGRANT
Stock grant
8,722$208.44$1.82M8,722May 31, 2024Jun 3, 2024View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
PURCHASEGRANT
Stock grant
3,83850,512May 31, 2024Jun 3, 2024View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP & COO
216$214.51$46.3K46,674May 29, 2024May 29, 2024View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP & COO
132$217.21$28.7K46,890May 28, 2024May 28, 2024View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP & COO
242$217.21$52.6K47,022May 27, 2024May 28, 2024View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP & COO
376$217.21$81.7K47,264May 26, 2024May 28, 2024View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALEGRANT
Gift
42447,691Feb 15, 2024Feb 16, 2024View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
PURCHASEGRANT
Stock grant
3,52649,274Jan 29, 2024Jan 31, 2024View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP & COO
1,159$220.28$255.3K48,115Jan 29, 2024Jan 31, 2024View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
PURCHASEGRANT
Stock grant
3,45149,199Jan 29, 2024Mar 22, 2024View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP & COO
1,135$220.28$250.0K48,064Jan 29, 2024Mar 22, 2024View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
PURCHASE
Corporate Executive VP & COO
5,916$215.19$1.27M50,365Jan 10, 2024Jan 11, 2024View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP & COO
5,9160Jan 10, 2024Jan 11, 2024View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
PURCHASE
Corporate Executive VP & COO
5,916$144.67$855.9K50,365Jan 10, 2024Jan 31, 2024View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP & COO
4,617$213.14$984.1K45,748Jan 10, 2024Jan 31, 2024View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP & COO
5,9160Jan 10, 2024Jan 31, 2024View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP & COO
4,590$215.19$987.7K45,775Jan 10, 2024Jan 11, 2024View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
PURCHASE
Corporate Executive VP & COO
1,322$187.82$248.3K44,449Nov 20, 2023Nov 21, 2023View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP & COO
216$194.12$41.9K43,477May 29, 2023May 31, 2023View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP & COO
132$194.12$25.6K43,693May 28, 2023May 31, 2023View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP & COO
242$194.12$47.0K43,825May 27, 2023May 31, 2023View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
PURCHASEGRANT
Stock grant
3,81244,067May 26, 2023May 31, 2023View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
PURCHASEGRANT
Stock grant
9,145$194.12$1.78M9,145May 26, 2023May 31, 2023View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALEGRANT
Gift
47540,255Mar 7, 2023Mar 8, 2023View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP & COO
308$243.60$75.0K40,730Feb 22, 2023Feb 22, 2023View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP & COO
417$254.55$106.1K42,932Feb 16, 2023Feb 17, 2023View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP & COO
3,2050Feb 16, 2023Feb 17, 2023View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP & COO
157$252.87$39.7K43,568Feb 16, 2023Feb 17, 2023View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP & COO
73$249.22$18.2K43,986Feb 16, 2023Feb 17, 2023View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP & COO
78$250.69$19.6K43,908Feb 16, 2023Feb 17, 2023View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP & COO
183$251.56$46.0K43,725Feb 16, 2023Feb 17, 2023View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP & COO
219$253.78$55.6K43,349Feb 16, 2023Feb 17, 2023View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP & COO
502$256.48$128.8K41,038Feb 16, 2023Feb 17, 2023View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
PURCHASE
Corporate Executive VP & COO
3,205$109.34$350.4K44,243Feb 16, 2023Feb 17, 2023View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP & COO
84$246.13$20.7K44,159Feb 16, 2023Feb 17, 2023View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP & COO
1,392$255.65$355.9K41,540Feb 16, 2023Feb 17, 2023View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP & COO
100$248.07$24.8K44,059Feb 16, 2023Feb 17, 2023View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
PURCHASEGRANT
Stock grant
8,43544,191Jan 27, 2023Jan 30, 2023View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP & COO
3,153$244.29$770.2K41,038Jan 27, 2023Jan 30, 2023View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP & COO
218$244.41$53.3K35,756May 29, 2022May 31, 2022View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP & COO
150$244.41$36.7K35,974May 28, 2022May 31, 2022View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
PURCHASEGRANT
Stock grant
6,634$244.41$1.62M6,634May 27, 2022May 31, 2022View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
PURCHASEGRANT
Stock grant
2,45536,124May 27, 2022May 31, 2022View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP & COO
280$289.58$81.1K33,669Feb 23, 2022Feb 23, 2022View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP & COO
274$293.61$80.4K33,949Feb 22, 2022Feb 23, 2022View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
PURCHASEGRANT
Stock grant
11,02938,100Jan 28, 2022Feb 1, 2022View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP & COO
3,877$312.24$1.21M34,223Jan 28, 2022Feb 1, 2022View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALEGRANT
Gift
53127,071Sep 23, 2021Feb 1, 2022View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP
2,344$439.90$1.03M27,602Sep 14, 2021Sep 15, 2021View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP
7$442.73$3.1K29,946Sep 13, 2021Sep 15, 2021View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP
72$442.15$31.8K29,953Sep 13, 2021Sep 15, 2021View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP
2$441.66$88330,025Sep 13, 2021Sep 15, 2021View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP
216$337.99$73.0K30,027May 29, 2021Jun 1, 2021View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
PURCHASEGRANT
Stock grant
1,18330,243May 28, 2021Jun 1, 2021View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
PURCHASEGRANT
Stock grant
3,659$337.99$1.24M3,659May 28, 2021Jun 1, 2021View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP
5,916$304.85$1.80M29,060Apr 6, 2021Apr 7, 2021View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP
5,9860Apr 6, 2021Apr 7, 2021View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
PURCHASE
Corporate Executive VP
5,986$88.05$527.1K35,046Apr 6, 2021Apr 7, 2021View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP
5,9165,916Apr 6, 2021Apr 7, 2021View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP
6,4093,205Apr 6, 2021Apr 7, 2021View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
PURCHASE
Corporate Executive VP
5,916$144.67$855.9K34,976Apr 6, 2021Apr 7, 2021View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
PURCHASE
Corporate Executive VP
6,409$109.34$700.8K35,469Apr 6, 2021Apr 7, 2021View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP
5,986$298.00$1.78M29,060Apr 6, 2021Apr 7, 2021View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP
6,409$304.85$1.95M29,060Apr 6, 2021Apr 7, 2021View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
PURCHASE
Corporate Executive VP
999$88.05$88.0K30,059Apr 5, 2021Apr 7, 2021View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP
9995,986Apr 5, 2021Apr 7, 2021View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP
999$298.00$297.7K29,060Apr 5, 2021Apr 7, 2021View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALEGRANT
Gift
35028,710Mar 1, 2021Nov 21, 2023View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP
322$282.98$91.1K29,060Feb 24, 2021Feb 25, 2021View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP
315$283.59$89.3K29,382Feb 23, 2021Feb 23, 2021View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP
308$289.55$89.2K29,697Feb 22, 2021Feb 23, 2021View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
PURCHASE
Corporate Executive VP
1,675$73.70$123.4K31,680Feb 19, 2021Feb 23, 2021View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP
1,675$293.92$492.3K30,005Feb 19, 2021Feb 23, 2021View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP
1,6750Feb 19, 2021Feb 23, 2021View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
PURCHASEGRANT
Stock grant
11,86234,714Jan 29, 2021Feb 2, 2021View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP
4,709$260.88$1.23M30,005Jan 29, 2021Feb 2, 2021View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP
933$213.51$199.2K22,852Aug 20, 2020Aug 21, 2020View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
PURCHASEGRANT
Stock grant
6,5006,500May 29, 2020Jun 2, 2020View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
PURCHASEGRANT
Stock grant
1,94823,785May 29, 2020Jun 2, 2020View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP
780$165.74$129.3K21,837May 12, 2020May 12, 2020View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP
152$162.46$24.7K22,617Feb 26, 2020Feb 26, 2020View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP
322$173.64$55.9K22,769Feb 24, 2020Feb 24, 2020View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP
315$173.64$54.7K23,091Feb 23, 2020Feb 24, 2020View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP
308$173.64$53.5K23,406Feb 22, 2020Feb 24, 2020View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP
900$172.05$154.8K23,714Feb 13, 2020Feb 13, 2020View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
SALE
Corporate Executive VP
3,846$159.07$611.8K24,614Feb 7, 2020Feb 10, 2020View →
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
PURCHASEGRANT
Stock grant
10,74528,460Feb 7, 2020Feb 10, 2020View →
Other insiders · CRL
Loading peer insiders…
About this filer
CIK 0001732091
ROLE
Corporate Executive VP & COO
PRIMARY
CRL
COMPANIES
1
ACTIVE SINCE
Feb 2020
MARKETPEEL · /INSIDER/0001732091DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
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