SEC Insider Transactions from Cooper Ronald Harold Wilfred.

Last updated: 2026-03-14 11:48 UTC | Total transactions: 14

Cooper Ronald Harold Wilfred has filed 14 insider transactions across 3 companies since June 2024.

Most recent transaction: a transaction of 950 shares of Generation Bio Co. ($GBIO) on February 09, 2026.

Activity breakdown: 1 open-market purchase and 0 sales.

Set Up your own filters →
Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
Feb. 9, 2026 Generation Bio Co. $GBIO Cooper Ronald Harold Wilfred Director U Common Stock 950 $0.00 0.0000 6,735,454 100.00% 0.01%
Feb. 9, 2026 Generation Bio Co. $GBIO Cooper Ronald Harold Wilfred Director D Stock Option (right to buy) 6000 $0.00 0.0000 6,735,454 100.00% 0.09%
Feb. 9, 2026 Generation Bio Co. $GBIO Cooper Ronald Harold Wilfred Director D Stock Option (right to buy) 2500 $0.00 0.0000 6,735,454 100.00% 0.04%
Feb. 9, 2026 Generation Bio Co. $GBIO Cooper Ronald Harold Wilfred Director D Stock Option (right to buy) 1920 $0.00 0.0000 6,735,454 100.00% 0.03%
Feb. 9, 2026 Generation Bio Co. $GBIO Cooper Ronald Harold Wilfred Director D Stock Option (right to buy) 3000 $0.00 0.0000 6,735,454 100.00% 0.04%
Feb. 9, 2026 Generation Bio Co. $GBIO Cooper Ronald Harold Wilfred Director D Stock Option (right to buy) 3000 $0.00 0.0000 6,735,454 100.00% 0.04%
Jan. 30, 2026 enGene Holdings Inc. $ENGN Cooper Ronald Harold Wilfred CEO & President A Stock Option (Right to Buy) 801000 $0.00 801,000.0000 66,984,661 9999.99% 1.20%
June 18, 2025 C4 Therapeutics, Inc. $CCCC Cooper Ronald Harold Wilfred Director A Stock Option (Right to Buy) 35500 $0.00 35,500.0000 70,989,661 9999.99% 0.05%
June 4, 2025 Generation Bio Co. $GBIO Cooper Ronald Harold Wilfred Not found A Stock Option (right to buy) 30000 $0.00 30,000.0000 67,002,511 9999.99% 0.04%
Jan. 29, 2025 enGene Holdings Inc. $ENGN Cooper Ronald Harold Wilfred CEO & President A Stock Option (Right to Buy) 850000 $0.00 850,000.0000 0 9999.99% 0.00%
Sept. 27, 2024 enGene Holdings Inc. $ENGN Cooper Ronald Harold Wilfred Chief Executive Officer P Common Shares 10000 $5.70 10,000.0000 0 9999.99% 0.00%
July 22, 2024 enGene Holdings Inc. $ENGN Cooper Ronald Harold Wilfred Chief Executive Officer A Stock Option (Right to Buy) 1250000 $0.00 1,250,000.0000 0 9999.99% 0.00%
June 7, 2024 C4 Therapeutics, Inc. $CCCC Cooper Ronald Harold Wilfred Director A Stock Option (Right to Buy) 65000 $0.00 65,000.0000 0 9999.99% 0.00%
June 6, 2024 Generation Bio Co. $GBIO Cooper Ronald Harold Wilfred Not found A Stock Option (right to buy) 60000 $0.00 60,000.0000 66,433,640 9999.99% 0.09%