December 21, 2018 · STOCK Act disclosure
Representative Thomas MacArthur (Unknown-NJ) bought Interactive Brokers Group, Inc., a stock transaction, valued at $1,001 - $15,000. The trade took place on December 21, 2018 and was disclosed on January 11, 2019 (owner: Joint). Members of Congress must report such transactions within 45 days under the STOCK Act.