Congress Trades in Charles River Laboratories International, Inc. (CRL)

9 members of Congress have disclosed trading CRL.

Total trades
15
Purchases
10
Sales
5
Members
9
Est. volume
$169,000
Last traded
May 8, 2025
Buyers' avg return
+57.2%
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9 members of Congress have disclosed trading Charles River Laboratories International, Inc. (CRL), with 15 transactions in total — 10 purchases and 5 sales worth an estimated $169,000 at range midpoints, leaning heavily toward buying. The most active CRL trader is Thomas MacArthur (4 disclosures). The most recent disclosed CRL trade was on May 8, 2025. Across the 3 disclosed CRL purchases we can price, the average return since disclosure is +57.2% (information only, not advice). See our full CRL fundamentals page for price, valuation and a return calculator.

Every disclosed CRL trade

DisclosedPoliticianTypeAmountTraded
May 15, 2025 Jefferson Shreve R Purchase $15,001 - $50,000 May 8, 2025 filing ↗
Apr 8, 2025 Rob Bresnahan Purchase $15,001 - $50,000 Apr 8, 2025 filing ↗
Feb 7, 2025 Julie Johnson D Purchase $1,001 - $15,000 Jan 15, 2025 filing ↗
Oct 6, 2023 Lois Frankel D Sale $1,001 - $15,000 Sep 8, 2023 filing ↗
Sep 13, 2022 Zoe Lofgren D Sale $1,001 - $15,000 Aug 25, 2022 filing ↗
Oct 7, 2021 Zoe Lofgren D Purchase $1,001 - $15,000 Sep 30, 2021 filing ↗
Oct 31, 2019 Susie Lee D Sale $1,001 - $15,000 Oct 8, 2019 filing ↗
Sep 1, 2019 Susie Lee D Purchase $1,001 - $15,000 Aug 29, 2019 filing ↗
Jun 30, 2019 Donna Shalala D Sale $1,001 - $15,000 Jun 24, 2019 filing ↗
Oct 1, 2018 Lamar Smith R Sale $1,001 - $15,000 Sep 26, 2018 filing ↗
Oct 1, 2018 Thomas MacArthur R Purchase $1,001 - $15,000 Sep 19, 2018 filing ↗
Oct 1, 2018 Thomas MacArthur R Purchase $1,001 - $15,000 Sep 13, 2018 filing ↗
Oct 1, 2018 Thomas MacArthur R Purchase $1,001 - $15,000 Sep 12, 2018 filing ↗
Oct 1, 2018 Thomas MacArthur R Purchase $1,001 - $15,000 Sep 11, 2018 filing ↗
Mar 5, 2018 Lamar Smith R Purchase $1,001 - $15,000 Feb 13, 2018 filing ↗

Most active CRL traders in Congress

Thomas MacArthur Thomas MacArthur Republican 4 trades Zoe Lofgren Zoe Lofgren Democrat 2 trades Susie Lee Susie Lee Democrat 2 trades Lamar Smith Lamar Smith Republican 2 trades Jefferson Shreve Jefferson Shreve Republican 1 trade RB Rob Bresnahan 1 trade Julie Johnson Julie Johnson Democrat 1 trade Lois Frankel Lois Frankel Democrat 1 trade

Source: US House Clerk Periodic Transaction Reports. Amounts are disclosed as ranges; estimates use range midpoints. Data may be delayed or contain filer errors. Updated Jun 29, 2026. Not investment advice.