I just ran the numbers... using the same website POET Technologies Inc. (TSX Venture: PTK.V) :: LD Micro
Filtered by year 2021. So this includes a big purchase by Don Listwin.
Total money spent on options exercised $1,673,485.99
Total money spent to pay for the debentures $1,580,000
Total share sold in the opten market $1,380,311.00