
Thomas MacArthur bought Charles River Laboratories (NYSE: CRL)
Thomas MacArthur (R-NJ), a U.S. Representative, has disclosed 4 trades in Charles River Laboratories (CRL) since 2018, all purchases, worth an estimated $32K in disclosed volume (the midpoint of the dollar ranges members report, not exact amounts).
The trade highlighted here is a purchase: Thomas MacArthur bought $1,001 - $15,000 of Charles River Laboratories (NYSE: CRL) on September 13, 2018. Since that trade, CRL is up +79.31% against the S&P 500 up +182.57%, an outperformance of -103.26%.
Across these filings, Thomas MacArthur has been a net buyer of CRL. The most recent disclosed CRL transaction shown was dated September 19, 2018. Each row in the table below links to that trade and its post-trade performance versus the market.
Data updated
Thomas MacArthur's CRL trades vs the price
CRL is up +79.31% since Thomas MacArthur bought on September 13, 2018, versus +182.57% for the S&P 500.
Performance since this trade
All Thomas MacArthur CRL trades
| Traded | Type | Size | Return | Est. profit | |
|---|---|---|---|---|---|
| September 19, 2018 | BUY | $127.85 | +83.65% | +$7K | |
| September 13, 2018 | BUY | $130.95 | +79.31% | +$6K | |
| September 12, 2018 | BUY | $129.11 | +81.86% | +$7K | |
| September 11, 2018 | BUY | $127.92 | +83.55% | +$7K |
Estimated profit is shown for buys only, marked to the latest close. It is an estimate and does not net later sells, taxes, or fees.
Thomas MacArthur & CRL trading FAQ
Is it legal for Thomas MacArthur to trade Charles River Laboratories (CRL) stock?
Yes. Members of Congress are allowed to trade individual stocks, including Charles River Laboratories (CRL), but the STOCK Act of 2012 requires them to publicly disclose each transaction within 45 days. Quantellect tracks those disclosures; this page does not imply the trade was improper.
When did Thomas MacArthur buy CRL?
Thomas MacArthur disclosed a purchase of $1,001 - $15,000 of Charles River Laboratories (CRL) on September 13, 2018, according to public STOCK Act filings.
How has CRL performed since Thomas MacArthur's trade?
Since Thomas MacArthur bought CRL on September 13, 2018, the stock is up +79.31%, versus +182.57% for the S&P 500 over the same period, an outperformance of -103.26%.
How many times has Thomas MacArthur traded CRL?
Thomas MacArthur has disclosed 4 CRL trades since 2018. Every disclosed trade is listed on this page.
How soon must members of Congress disclose a trade?
Under the STOCK Act, members of Congress must publicly report a covered transaction within 45 days of the trade. Filings can still be delayed, amended, or contain errors.
Where can I see all congressional CRL trades?
Quantellect tracks every disclosed congressional trade in Charles River Laboratories (CRL) on the Charles River Laboratories congressional trading page, which aggregates filings across all members of Congress.
Thomas MacArthur's CRL tradesAll congressional filings for Charles River LaboratoriesThomas MacArthur's full profile
Not investment advice. Congressional trading data is sourced from public STOCK Act disclosures, which are filed with a delay and may contain errors or be revised. Estimated prices and post-trade returns are derived algorithmically from public filings and end-of-day market data and describe historical activity, not a recommendation. Always do your own research and consult a licensed financial advisor before making investment decisions.

