George Siber serves as Executive at GENOCEA BIOSCIENCES, INC., where they oversee executive responsibilities. Since joining the company, George Siber has executed 15 insider transactions totaling $423.8K, demonstrating a bullish approach to their equity position. Their most recent transaction on May 27, 2022 involved selling 20,425 shares valued at $1.4K.
George Siber currently holds 252 shares of GENOCEA BIOSCIENCES, INC. (GNCA), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, George Siber has been a net buyer of GNCA stock. They have purchased $422.3K and sold $1.4K worth of shares.
George Siber's most recent insider trade was on May 27, 2022, when they sold 20,425 shares at $0.07 per share.
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| $0.61 |
| Discretionary |
| Sep 6, 2018 | GNCA | $15.3K | Purchase | 25,000 | $0.61 | Discretionary |
| Sep 5, 2018 | GNCA | $15.5K | Purchase | 25,000 | $0.62 | Discretionary |
| Sep 4, 2018 | GNCA | $15.5K | Purchase | 25,000 | $0.62 | Discretionary |
| Aug 31, 2018 | GNCA | $15.3K | Purchase | 25,000 | $0.61 | Discretionary |
| Aug 30, 2018 | GNCA | $15.3K | Purchase | 25,000 | $0.61 | Discretionary |
| Aug 29, 2018 | GNCA | $15.3K | Purchase | 25,000 | $0.61 | Discretionary |
| May 19, 2017 | GNCA | $31.6K | Option Exercise | 11,057 | $2.86 | Discretionary |
| May 19, 2017 | GNCA | $26.7K | Option Exercise | 11,230 | $2.38 | Discretionary |
| May 19, 2017 | GNCA | $135.3K | Purchase | 22,287 | $6.07 | Discretionary |
| May 18, 2017 | GNCA | $186.9K | Purchase | 31,045 | $6.02 | Discretionary |
| May 18, 2017 | GNCA | $45.9K | Option Exercise | 19,281 | $2.38 | Discretionary |
| May 18, 2017 | GNCA | $16.8K | Option Exercise | 10,084 | $1.67 | Discretionary |
| May 18, 2017 | GNCA | $4.0K | Option Exercise | 1,680 | $2.38 | Discretionary |