Insider · CIK 0001946316
Phillip Samayoa
Files at GBIO (Generation Bio Co.). First filing Jan 3, 2024, latest Jan 3, 2024.
In brief
Phillip Samayoa files SEC Form 4 as officer at GBIO (Generation Bio Co.). Since Jan 3, 2024, Phillip Samayoa has reported 0 open-market buys worth $0 and 1 open-market sell worth $3,961, the latest filed on Jan 3, 2024.
A track record needs three past buys with six months of prices behind them; Phillip Samayoa has 0, so none is measured yet.
The newest scored trade: sold $3,961 of GBIO on Jan 2, 2024, filed Jan 3, 2024, scored 3 (weak), under a 10b5-1 plan.
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 3Weak | Generation Bio Co. | $3,961 2,445 shares | -2% | - |
Transactions
Every row this insider has filed, 31 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Oct 15, 2025 | GBIO Generation Bio Co. | MOption exercise Common Stock | +114 | - | - | 14,172 | Oct 17, 2025 |
| Oct 15, 2025 | GBIO Generation Bio Co. | FTax withholding Common Stock | -34 | $6.71 | $228 | 14,138 | Oct 17, 2025 |
| Oct 15, 2025 | GBIO Generation Bio Co. | MOption exercise Restricted Stock Unitsderivative | -114 | $0.00 | $0 | 573 | Oct 17, 2025 |
| Jul 15, 2025 | GBIO Generation Bio Co. | MOption exercise Common Stock | +1,147 | - | - | 140,925 | Jul 17, 2025 |
| Jul 15, 2025 | GBIO Generation Bio Co. | FTax withholding Common Stock | -337 | $0.43 | $144 | 140,588 | Jul 17, 2025 |
| Jul 15, 2025 | GBIO Generation Bio Co. | MOption exercise Restricted Stock Unitsderivative | -1,147 | $0.00 | $0 | 6,876 | Jul 17, 2025 |
| Apr 15, 2025 | GBIO Generation Bio Co. | MOption exercise Common Stock | +1,147 | - | - | 128,856 | Apr 17, 2025 |
| Apr 15, 2025 | GBIO Generation Bio Co. | FTax withholding Common Stock | -337 | $0.37 | $124 | 128,519 | Apr 17, 2025 |
| Apr 15, 2025 | GBIO Generation Bio Co. | MOption exercise Restricted Stock Unitsderivative | -1,147 | $0.00 | $0 | 8,023 | Apr 17, 2025 |
| Jan 15, 2025 | GBIO Generation Bio Co. | MOption exercise Common Stock | +1,147 | - | - | 128,107 | Jan 17, 2025 |
| Jan 15, 2025 | GBIO Generation Bio Co. | FTax withholding Common Stock | -398 | $0.89 | $353 | 127,709 | Jan 17, 2025 |
| Jan 15, 2025 | GBIO Generation Bio Co. | MOption exercise Restricted Stock Unitsderivative | -1,147 | $0.00 | $0 | 9,170 | Jan 17, 2025 |
| Jan 10, 2025 | GBIO Generation Bio Co. | AGrant or award Stock Option (right to buy)derivative | +251,030 | $0.00 | $0 | 251,030 | Jan 14, 2025 |
| Oct 15, 2024 | GBIO Generation Bio Co. | MOption exercise Common Stock | +1,147 | - | - | 122,434 | Oct 17, 2024 |
| Oct 15, 2024 | GBIO Generation Bio Co. | FTax withholding Common Stock | -337 | $2.42 | $816 | 122,097 | Oct 17, 2024 |
| Oct 15, 2024 | GBIO Generation Bio Co. | MOption exercise Restricted Stock Unitsderivative | -1,147 | $0.00 | $0 | 10,317 | Oct 17, 2024 |
| Apr 15, 2024 | GBIO Generation Bio Co. | MOption exercise Common Stock | +1,147 | - | - | 114,095 | Apr 17, 2024 |
| Apr 15, 2024 | GBIO Generation Bio Co. | FTax withholding Common Stock | -337 | $3.70 | $1,247 | 113,758 | Apr 17, 2024 |
| Apr 15, 2024 | GBIO Generation Bio Co. | MOption exercise Restricted Stock Unitsderivative | -1,147 | $0.00 | $0 | 12,611 | Apr 17, 2024 |
| Jan 15, 2024 | GBIO Generation Bio Co. | MOption exercise Common Stock | +4,125 | - | - | 111,381 | Jan 17, 2024 |
| Jan 15, 2024 | GBIO Generation Bio Co. | FTax withholding Common Stock | -1,430 | $1.91 | $2,731 | 109,951 | Jan 17, 2024 |
| Jan 15, 2024 | GBIO Generation Bio Co. | MOption exercise Common Stock | +4,587 | - | - | 114,538 | Jan 17, 2024 |
| Jan 15, 2024 | GBIO Generation Bio Co. | FTax withholding Common Stock | -1,590 | $1.91 | $3,037 | 112,948 | Jan 17, 2024 |
| Jan 15, 2024 | GBIO Generation Bio Co. | MOption exercise Restricted Stock Unitsderivative | -4,125 | $0.00 | $0 | 0 | Jan 17, 2024 |
| Jan 15, 2024 | GBIO Generation Bio Co. | MOption exercise Restricted Stock Unitsderivative | -4,587 | $0.00 | $0 | 13,758 | Jan 17, 2024 |
| Jan 2, 2024 | GBIO Generation Bio Co. | SOpen-market sale Common Stock10b5-1 | -2,445 | $1.62 | $3,961 | 107,256 | Jan 3, 2024 |
| Jan 2, 2024 | GBIO Generation Bio Co. | AGrant or award Stock Option (right to buy)derivative10b5-1 | +160,650 | $0.00 | $0 | 160,650 | Jan 3, 2024 |
| Dec 1, 2023 | GBIO Generation Bio Co. | AGrant or award Stock Option (right to buy)derivative | +76,310 | $0.00 | $0 | 76,310 | Dec 5, 2023 |
| Oct 15, 2023 | GBIO Generation Bio Co. | MOption exercise Common Stock | +4,125 | - | - | 108,467 | Oct 17, 2023 |
| Oct 15, 2023 | GBIO Generation Bio Co. | FTax withholding Common Stock | -1,211 | $3.24 | $3,924 | 107,256 | Oct 17, 2023 |
| Oct 15, 2023 | GBIO Generation Bio Co. | MOption exercise Restricted Stock Unitsderivative | -4,125 | $0.00 | $0 | 4,125 | Oct 17, 2023 |
Questions about Phillip Samayoa
Answered from the filings on this page, as of the latest one.
Is Phillip Samayoa buying or selling?
Not in the last 12 months. Phillip Samayoa's latest open-market trade on SEC Form 4 was sold $3,961 of GBIO on Jan 2, 2024.
How did Phillip Samayoa's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Phillip Samayoa has 0.
Where does Phillip Samayoa file Form 4?
Phillip Samayoa has filed Form 4 at GBIO (Generation Bio Co.) as CHIEF STRATEGY OFFICER. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.