| 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 |
|---|---|---|---|---|---|---|---|---|---|
Chief Development Officer
1 company
Tracy Zimmermann last filed a Form 4 in January 2024, as Chief Development Officer at GBIO. Tracy Zimmermann's net worth is not public. Form 4 filings only show shares in the companies where this person was an insider, as of the last filing.
At the last filing, the largest reported position was 49,164 shares of GBIO. The GBIO filings lean toward selling, a net 15,500 shares.
Tracy Zimmermann has 17 Form 4 filings on record from November 2020 to January 2024, all as Chief Development Officer at Generation Bio (GBIO), 2020–2024.
The 41 reported transactions were 15 option exercises, 11 open-market sales, 9 tax withholdings and 6 option or other derivative awards.
Counted by filing, the open-market trades come to no purchases and 6 sales worth about $559K.
The largest open-market sale was 3,000 shares of GBIO at an average $41.38 on March 3, 2021, about $124K.
Shares as reported in the last Form 4 for each company; the most recent is from January 2024. Values use today's prices. Any trades after the last filing were not reported, so current holdings may differ.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| May 3, 2021 | GBIO Generation Bio Co. | Chief Development Officer | Sale+OE | 2,500 | $35.70 | $89,237.60 | - | -38.1% | -80.4% | |
| Apr 22, 2021 | GBIO Generation Bio Co. | Chief Development Officer | Sale+OE | 2,500 | $33.32 | $83,300.00 | - | -36.2% | -80.5% | |
| Mar 3, 2021 | GBIO Generation Bio Co. | Chief Development Officer | Sale+OE | 3,000 | $41.38 | $124,140.00 | - | - | - | |
| Mar 1, 2021 | GBIO Generation Bio Co. | Chief Development Officer | Sale+OE | 2,500 | $38.84 | $97,099.00 | - | - | - | |
| Feb 2, 2021 | GBIO Generation Bio Co. | Chief Development Officer | Sale+OE | 2,500 | $33.05 | $82,625.00 | - | - | - | |
| Jan 14, 2021 | GBIO Generation Bio Co. | Chief Development Officer | Sale+OE | 2,500 | $33.09 | $82,725.00 | - | - | - |