SEC Insider Transactions from Norkunas Matthew.

Last updated: 2026-03-14 09:51 UTC | Total transactions: 28

Norkunas Matthew has filed 28 insider transactions across 1 company since January 2024.

Most recent transaction: a option exercise of 1674 shares of Generation Bio Co. ($GBIO) on October 15, 2024.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
Oct. 15, 2024 Generation Bio Co. $GBIO Norkunas Matthew CHIEF FINANCIAL OFFICER M Common Stock 1674 $0.00 56,659.0000 6,673,846 3.04% 0.03%
Oct. 15, 2024 Generation Bio Co. $GBIO Norkunas Matthew CHIEF FINANCIAL OFFICER F Common Stock 492 $2.42 56,167.0000 6,673,846 0.87% 0.01%
Oct. 15, 2024 Generation Bio Co. $GBIO Norkunas Matthew CHIEF FINANCIAL OFFICER M Common Stock 1673 $0.00 57,840.0000 6,673,846 2.98% 0.03%
Oct. 15, 2024 Generation Bio Co. $GBIO Norkunas Matthew CHIEF FINANCIAL OFFICER F Common Stock 492 $2.42 57,348.0000 6,673,846 0.85% 0.01%
Oct. 15, 2024 Generation Bio Co. $GBIO Norkunas Matthew CHIEF FINANCIAL OFFICER M Restricted Stock Units 1674 $0.00 15,059.0000 6,673,846 10.00% 0.03%
Oct. 15, 2024 Generation Bio Co. $GBIO Norkunas Matthew CHIEF FINANCIAL OFFICER M Restricted Stock Units 1673 $0.00 1,673.0000 6,673,846 50.00% 0.03%
July 15, 2024 Generation Bio Co. $GBIO Norkunas Matthew CHIEF FINANCIAL OFFICER M Common Stock 1674 $0.00 54,296.0000 6,653,100 3.18% 0.03%
July 15, 2024 Generation Bio Co. $GBIO Norkunas Matthew CHIEF FINANCIAL OFFICER F Common Stock 492 $2.93 53,804.0000 6,653,100 0.91% 0.01%
July 15, 2024 Generation Bio Co. $GBIO Norkunas Matthew CHIEF FINANCIAL OFFICER M Common Stock 1673 $0.00 55,477.0000 6,653,100 3.11% 0.03%
July 15, 2024 Generation Bio Co. $GBIO Norkunas Matthew CHIEF FINANCIAL OFFICER F Common Stock 492 $2.93 54,985.0000 6,653,100 0.89% 0.01%
July 15, 2024 Generation Bio Co. $GBIO Norkunas Matthew CHIEF FINANCIAL OFFICER M Restricted Stock Units 1674 $0.00 16,733.0000 6,653,100 9.09% 0.03%
July 15, 2024 Generation Bio Co. $GBIO Norkunas Matthew CHIEF FINANCIAL OFFICER M Restricted Stock Units 1673 $0.00 3,346.0000 6,653,100 33.33% 0.03%
April 15, 2024 Generation Bio Co. $GBIO Norkunas Matthew CHIEF FINANCIAL OFFICER M Common Stock 1674 $0.00 51,933.0000 66,433,640 3.33% 0.00%
April 15, 2024 Generation Bio Co. $GBIO Norkunas Matthew CHIEF FINANCIAL OFFICER F Common Stock 492 $3.70 51,441.0000 66,433,640 0.95% 0.00%
April 15, 2024 Generation Bio Co. $GBIO Norkunas Matthew CHIEF FINANCIAL OFFICER M Common Stock 1673 $0.00 53,114.0000 66,433,640 3.25% 0.00%
April 15, 2024 Generation Bio Co. $GBIO Norkunas Matthew CHIEF FINANCIAL OFFICER F Common Stock 492 $3.70 52,622.0000 66,433,640 0.93% 0.00%
April 15, 2024 Generation Bio Co. $GBIO Norkunas Matthew CHIEF FINANCIAL OFFICER M Restricted Stock Units 1674 $0.00 18,407.0000 66,433,640 8.34% 0.00%
April 15, 2024 Generation Bio Co. $GBIO Norkunas Matthew CHIEF FINANCIAL OFFICER M Restricted Stock Units 1673 $0.00 5,019.0000 66,433,640 25.00% 0.00%
Jan. 15, 2024 Generation Bio Co. $GBIO Norkunas Matthew CHIEF FINANCIAL OFFICER M Common Stock 7437 $0.00 47,369.0000 64,483,520 18.62% 0.01%
Jan. 15, 2024 Generation Bio Co. $GBIO Norkunas Matthew CHIEF FINANCIAL OFFICER F Common Stock 2577 $1.91 44,792.0000 64,483,520 5.44% 0.00%
Jan. 15, 2024 Generation Bio Co. $GBIO Norkunas Matthew CHIEF FINANCIAL OFFICER M Common Stock 6694 $0.00 51,486.0000 64,483,520 14.94% 0.01%
Jan. 15, 2024 Generation Bio Co. $GBIO Norkunas Matthew CHIEF FINANCIAL OFFICER F Common Stock 2320 $1.91 49,166.0000 64,483,520 4.51% 0.00%
Jan. 15, 2024 Generation Bio Co. $GBIO Norkunas Matthew CHIEF FINANCIAL OFFICER M Common Stock 1674 $0.00 50,840.0000 64,483,520 3.40% 0.00%
Jan. 15, 2024 Generation Bio Co. $GBIO Norkunas Matthew CHIEF FINANCIAL OFFICER F Common Stock 581 $1.91 50,259.0000 64,483,520 1.14% 0.00%
Jan. 15, 2024 Generation Bio Co. $GBIO Norkunas Matthew CHIEF FINANCIAL OFFICER M Restricted Stock Units 7437 $0.00 0.0000 64,483,520 100.00% 0.01%
Jan. 15, 2024 Generation Bio Co. $GBIO Norkunas Matthew CHIEF FINANCIAL OFFICER M Restricted Stock Units 6694 $0.00 20,081.0000 64,483,520 25.00% 0.01%
Jan. 15, 2024 Generation Bio Co. $GBIO Norkunas Matthew CHIEF FINANCIAL OFFICER M Restricted Stock Units 1674 $0.00 6,692.0000 64,483,520 20.01% 0.00%
Jan. 2, 2024 Generation Bio Co. $GBIO Norkunas Matthew CHIEF FINANCIAL OFFICER A Stock Option (right to buy) 160650 $0.00 160,650.0000 64,483,520 9999.99% 0.25%