Over the past 12 months, 0 insiders at Generation Bio Co. filed 0 open-market SEC Form 4 transactions on GBIO: 0 purchases worth $0 and 0 sales worth $0. Insiders have been mixed over this period. The most recent filing was on .
| Date | Insider | Type | Shares | Price | Value |
|---|---|---|---|---|---|
| Jan 13, 25 | Anthony G. QuinnDirector | BUY | 85.0K | $0.97 | $82K |
| Jan 10, 25 | Anthony G. QuinnDirector | BUY | 125.8K | $0.96 | $121K |
| Jul 1, 24 | Antoinette PaoneCHIEF OPERATING OFFICER | SELL | 6.7K | $2.74 | $18K |
| Jan 2, 24 | Antoinette PaoneCHIEF OPERATING OFFICER | SELL | 2.4K | $1.62 | $4K |
| Jan 2, 24 | Phillip SamayoaCHIEF STRATEGY OFFICER | SELL | 2.4K | $1.62 | $4K |
| Dec 8, 23 | Dannielle AppelhansDirector | BUY | 7.4K | $1.82 | $13K |
| Dec 4, 23 | Dannielle AppelhansDirector | BUY | 12.0K | $1.50 | $18K |
| Dec 4, 23 | Charles A Rowland JrDirector | BUY | 150.0K | $1.50 | $225K |
| Dec 1, 23 | Donald William NicholsonDirector | BUY | 100.0K | $1.44 | $144K |
| Dec 1, 23 | Anthony G. QuinnDirector | BUY | 88.5K | $1.41 | $125K |
| Dec 1, 23 | Charles A Rowland JrDirector | BUY | 193.0K | $1.31 | $253K |
| Aug 23, 23 | Antoinette PaoneCHIEF OPERATING OFFICER | SELL | 3.1K | $4.93 | $15K |
| Jul 3, 23 | Phillip SamayoaCHIEF STRATEGY OFFICER | SELL | 3.1K | $5.29 | $16K |
| Apr 25, 23 | Antoinette PaoneCHIEF OPERATING OFFICER | SELL | 2.9K | $4.61 | $13K |
| Jan 26, 23 | Antoinette PaoneCHIEF OPERATING OFFICER | SELL | 2.7K | $5.56 | $15K |
| Jan 10, 23 | Antoinette PaoneCHIEF OPERATING OFFICER | SELL | 1.9K | $4.57 | $9K |
| Jan 9, 23 | Phillip SamayoaCHIEF STRATEGY OFFICER | SELL | 1.9K | $5.11 | $10K |
| Oct 27, 22 | Antoinette PaoneCHIEF OPERATING OFFICER | SELL | 2.9K | $5.03 | $15K |
| Sep 29, 22 | Antoinette PaoneCHIEF OPERATING OFFICER | SELL | 2.8K | $5.24 | $15K |
| Sep 19, 22 | Charles A Rowland JrDirector | BUY | 15.8K | $5.26 | $83K |
| Sep 16, 22 | Charles A Rowland JrDirector | BUY | 33.5K | $5.48 | $183K |
| Sep 15, 22 | Antoinette PaoneCHIEF OPERATING OFFICER | SELL | 4.6K | $5.32 | $25K |
| Sep 15, 22 | Charles A Rowland JrDirector | BUY | 17.1K | $5.41 | $93K |
| Sep 14, 22 | Charles A Rowland JrDirector | BUY | 5.6K | $5.30 | $30K |
| Sep 13, 22 | Charles A Rowland JrDirector | BUY | 18.8K | $5.20 | $98K |
| Mar 10, 22 | Donald William NicholsonDirector | BUY | 8.1K | $4.71 | $38K |
| Mar 9, 22 | Donald William NicholsonDirector | BUY | 2.3K | $4.79 | $11K |
| Sep 29, 21 | Atlas Venture Associates X, LlcTenPercentOwner | SELL | 16.6K | $24.59 | $407K |
| Sep 29, 21 | Jason P RhodesDirector | SELL | 16.6K | $24.59 | $407K |
| Sep 28, 21 | Atlas Venture Associates X, LlcTenPercentOwner | SELL | 13.1K | $25.24 | $330K |
| Sep 28, 21 | Jason P RhodesDirector | SELL | 13.1K | $25.24 | $330K |
| Sep 27, 21 | Atlas Venture Associates X, LlcTenPercentOwner | SELL | 51.3K | $25.70 | $1.3M |
| Sep 27, 21 | Jason P RhodesDirector | SELL | 51.3K | $25.70 | $1.3M |
| Sep 24, 21 | Atlas Venture Associates X, LlcTenPercentOwner | SELL | 28.9K | $25.84 | $746K |
| Sep 24, 21 | Jason P RhodesDirector | SELL | 28.9K | $25.84 | $746K |
| Sep 23, 21 | Atlas Venture Associates X, LlcTenPercentOwner | SELL | 75.3K | $26.55 | $2.0M |
| Sep 23, 21 | Jason P RhodesDirector | SELL | 75.3K | $26.55 | $2.0M |
| Sep 22, 21 | Atlas Venture Associates X, LlcTenPercentOwner | SELL | 30.6K | $25.89 | $791K |
| Sep 22, 21 | Jason P RhodesDirector | SELL | 30.6K | $25.89 | $791K |
| Sep 14, 21 | Matthew StantonCHIEF SCIENTIFIC OFFICER | SELL | 4.5K | $28.07 | $126K |
| Sep 10, 21 | Matthew StantonCHIEF SCIENTIFIC OFFICER | SELL | 2.2K | $26.74 | $57K |
| Aug 23, 21 | Matthew StantonCHIEF SCIENTIFIC OFFICER | SELL | 1.5K | $25.04 | $38K |
| Aug 10, 21 | Matthew StantonCHIEF SCIENTIFIC OFFICER | SELL | 1.0K | $24.19 | $22K |
Over the past 12 months, insiders at Generation Bio Co. filed 0 open-market purchases worth $0 and 0 sales worth $0 on GBIO, which makes them mixed over the period. The most recent Form 4 was filed on .
The largest recent open-market GBIO insider purchase in our data was $253K by Charles A Rowland Jr, Director, filed on Dec 1, 23.
0 different insiders at Generation Bio Co. filed open-market SEC Form 4 transactions on GBIO over the last 12 months.
InsiderTape plots every GBIO insider buy and sell directly on the price chart and flags new SEC Form 4 filings as they arrive, with cluster detection and buy/sell pressure. The data updates daily from SEC EDGAR.
InsiderTape plots every Generation Bio Co. insider buy and sell on the price chart, with buy/sell pressure, cluster detection, and alerts the moment new Form 4s hit. Start a free 7-day trial, cancel anytime.
Does it work? In five years of data, insider clusters beat the Russell 2000 about 60% of the time and the CFO's buy was the sharpest signal of all. See the backtest →
START FREE TRIAL →