John Joseph Giamatteo has an estimated net worth of $9.2 Million. This is based on reported shares across multiple companies, which include NORTEL NETWORKS CORP, BLACKBERRY Ltd, REALNETWORKS INC, and SOLERA HOLDINGS, INC.

2025 was John Joseph Giamatteo's most active year for acquiring shares with 8 total transactions. John Joseph Giamatteo's most active month to acquire stocks was the month of December. 2026 was John Joseph Giamatteo's most active year for disposing of shares, totalling 12 transactions. John Joseph Giamatteo's most active month to dispose stocks was the month of December. 2024 saw John Joseph Giamatteo paying a total of $0.00 for 1,183,576 shares, this is the most they've acquired in one year. In 2026 John Joseph Giamatteo cashed out on 1,024,090 shares for a total of $1,322,062.50, their largest year based on trade value.