
Thomas MacArthur sold Dolby Laboratories (NYSE: DLB)
Thomas MacArthur (R-NJ), a U.S. Representative, has disclosed 3 trades in Dolby Laboratories (DLB) since 2015, 1 purchase and 2 sales, worth an estimated $73K in disclosed volume (the midpoint of the dollar ranges members report, not exact amounts).
The trade highlighted here is a sale: Thomas MacArthur sold $1,001 - $15,000 of Dolby Laboratories (NYSE: DLB) on May 27, 2015. Since that trade, DLB is up +53.55% against the S&P 500 up +312.29%, an outperformance of -258.75%.
Across these filings, Thomas MacArthur has been a net seller of DLB (a buy-to-sell ratio of 0.50). The most recent disclosed DLB transaction shown was dated January 19, 2016. Each row in the table below links to that trade and its post-trade performance versus the market.
Data updated
Thomas MacArthur's DLB trades vs the price
DLB is up +53.55% since Thomas MacArthur sold on May 27, 2015, versus +312.29% for the S&P 500.
Performance since this trade
All Thomas MacArthur DLB trades
Thomas MacArthur & DLB trading FAQ
Is it legal for Thomas MacArthur to trade Dolby Laboratories (DLB) stock?
Yes. Members of Congress are allowed to trade individual stocks, including Dolby Laboratories (DLB), 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 sell DLB?
Thomas MacArthur disclosed a sale of $1,001 - $15,000 of Dolby Laboratories (DLB) on May 27, 2015, according to public STOCK Act filings.
How has DLB performed since Thomas MacArthur's trade?
Since Thomas MacArthur sold DLB on May 27, 2015, the stock is up +53.55%, versus +312.29% for the S&P 500 over the same period, an outperformance of -258.75%.
How many times has Thomas MacArthur traded DLB?
Thomas MacArthur has disclosed 3 DLB trades since 2015 (1 purchase and 2 sales). 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 DLB trades?
Quantellect tracks every disclosed congressional trade in Dolby Laboratories (DLB) on the Dolby Laboratories congressional trading page, which aggregates filings across all members of Congress.
Thomas MacArthur's DLB tradesAll congressional filings for Dolby 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.

