Thomas Joseph Gallagher has an estimated net worth of $152 Million. This is based on reported shares in Arthur J. Gallagher & Co..

2015 was Thomas Joseph Gallagher's most active year for acquiring shares with 10 total transactions. Thomas Joseph Gallagher's most active month to acquire stocks was the month of February. 2024 was Thomas Joseph Gallagher's most active year for disposing of shares, totalling 10 transactions. Thomas Joseph Gallagher's most active month to dispose stocks was the month of February. 2026 saw Thomas Joseph Gallagher paying a total of $7,818,508.41 for 72,786.437 shares, this is the most they've acquired in one year. In 2020 Thomas Joseph Gallagher cashed out on 271,502 shares for a total of $9,097,966.56, their largest year based on trade value.