| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Director | President and CEO | See Remarks
1 company
Geoff McDonough is Director at GBIO. Geoff McDonough's net worth is not public. Form 4 filings only show shares in the companies where this person is an insider; those holdings are worth an estimated $775K at current prices.
The GBIO filings lean toward selling, a net 30,000 shares.
Geoff McDonough has 27 Form 4 filings on record from June 2020 to January 2026, all as Director at Generation Bio (GBIO), 2020–2026.
The 51 reported transactions were 17 option exercises, 17 tax withholdings, 8 option or other derivative awards and 6 open-market sales, plus smaller numbers of other types.
Counted by filing, the open-market trades come to no purchases and 3 sales worth about $1.1M.
The largest open-market sale was 10,000 shares of GBIO at an average $37.58 on March 1, 2021, about $376K.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| May 3, 2021 | GBIO Generation Bio Co. | President and CEO | Sell | 10,000 | $35.63 | $356,335.40 | -0.8% | -38.1% | -80.4% | |
| Apr 23, 2021 | GBIO Generation Bio Co. | President and CEO | Sell | 10,000 | $35.10 | $351,000.00 | -0.8% | -40.4% | -81.0% | |
| Mar 1, 2021 | GBIO Generation Bio Co. | President and CEO | Sell | 10,000 | $37.58 | $375,801.42 | -0.8% | - | - |