GENERATION BIO CO (GBIO) Stock Ownership
NASDAQ:GBIO • US37148K2096
5.34 USD
-0.4 (-6.97%)
At close: Feb 6, 2026
5.4198 USD
+0.08 (+1.49%)
After Hours: 2/6/2026, 8:00:00 PM
| Shares Outstanding | 6.74M |
| Float | 5.78M |
| Float Short Interest Percentage | 0.14% |
| Owners (insider) | 2.79% |
| Owners (institutional) | 65.38% |
| Owners (insider) change | -9.9% |
| Owners (institutional) change | -12.98% |
| Date | Name | Type | Shares | Price | Amount |
|---|---|---|---|---|---|
| Feb 9, 2026 | Christensen Gustav | Other Disposition | 13142 | $ 0.00 | |
| Feb 9, 2026 | Appelhans Dannielle | Other Disposition | 1999 | $ 0.00 | |
| Feb 9, 2026 | Stehman-Breen Catherine | Other Disposition | 4752 | $ 0.00 | |
| Feb 9, 2026 | Rowland Charles A Jr | Other Disposition | 53475 | $ 0.00 | |
| Feb 9, 2026 | Rhodes Jason P | Other Disposition | 827946 | $ 0.00 | |
| Feb 9, 2026 | Quinn Anthony G. | Other Disposition | 37211 | $ 0.00 | |
| Feb 9, 2026 | Nicholson Donald William | Other Disposition | 21357 | $ 0.00 | |
| Feb 9, 2026 | MCDONOUGH GEOFF | Other Disposition | 188638 | $ 0.00 | |
| Feb 9, 2026 | Howze Yalonda | Other Disposition | 3759 | $ 0.00 | |
| Feb 9, 2026 | Cooper Ronald Harold Wilfred | Other Disposition | 950 | $ 0.00 | |
| Feb 9, 2026 | Conway Kevin John | Other Disposition | 2072 | $ 0.00 | |
| Feb 9, 2026 | Atlas Venture Fund X, L.P. | Other Disposition | 827946 | $ 0.00 | |
| Feb 9, 2026 | ATLAS VENTURE ASSOCIATES X, L.P. | Other Disposition | 827946 | $ 0.00 | |
| Feb 9, 2026 | Atlas Venture Associates X, LLC | Other Disposition | 827946 | $ 0.00 | |
| Feb 9, 2026 | Atlas Venture Opportunity Fund I, L.P. | Other Disposition | 827946 | $ 0.00 | |
| Feb 9, 2026 | Atlas Venture Associates Opportunity I, L.P. | Other Disposition | 827946 | $ 0.00 | |
| Feb 9, 2026 | Atlas Venture Associates Opportunity I, LLC | Other Disposition | 827946 | $ 0.00 | |
| Feb 2, 2026 | Conway Kevin John | Option Excercise | 235 | $ 0.00 | |
| Feb 2, 2026 | Conway Kevin John | Option Excercise | 72 | 5.64 | $ 406.08 |
| Feb 2, 2026 | MCDONOUGH GEOFF | Option Excercise | 1582 | $ 0.00 | |
| Feb 2, 2026 | MCDONOUGH GEOFF | Option Excercise | 550 | 5.64 | $ 3,102.00 |
| Feb 2, 2026 | Howze Yalonda | Option Excercise | 1673 | $ 0.00 | |
| Feb 2, 2026 | Howze Yalonda | Option Excercise | 495 | 5.64 | $ 2,791.80 |
| Jan 15, 2026 | Howze Yalonda | Option Excercise | 99 | 5.64 | $ 558.36 |
| Jan 15, 2026 | Conway Kevin John | Option Excercise | 59 | $ 0.00 | |
| Jan 15, 2026 | Conway Kevin John | Option Excercise | 17 | 5.64 | $ 95.88 |
| Jan 15, 2026 | MCDONOUGH GEOFF | Option Excercise | 395 | $ 0.00 | |
| Jan 15, 2026 | MCDONOUGH GEOFF | Option Excercise | 137 | 5.64 | $ 772.68 |
| Jan 15, 2026 | Howze Yalonda | Option Excercise | 335 | $ 0.00 | |
| Oct 15, 2025 | MCDONOUGH GEOFF | Option Excercise | 527 | $ 0.00 | |
| Oct 15, 2025 | MCDONOUGH GEOFF | Option Excercise | 155 | 6.71 | $ 1,040.05 |
| Oct 15, 2025 | Howze Yalonda | Option Excercise | 334 | $ 0.00 | |
| Oct 15, 2025 | Howze Yalonda | Option Excercise | 99 | 6.71 | $ 664.29 |
| Oct 15, 2025 | Paone Antoinette | Option Excercise | 159 | $ 0.00 | |
| Oct 15, 2025 | Paone Antoinette | Option Excercise | 47 | 6.71 | $ 315.37 |
| Oct 15, 2025 | Samayoa Phillip | Option Excercise | 114 | $ 0.00 | |
| Oct 15, 2025 | Samayoa Phillip | Option Excercise | 34 | 6.71 | $ 228.14 |
| Oct 15, 2025 | Conway Kevin John | Option Excercise | 58 | $ 0.00 | |
| Oct 15, 2025 | Conway Kevin John | Option Excercise | 18 | 6.71 | $ 120.78 |
| Jul 15, 2025 | Howze Yalonda | Option Excercise | 3347 | $ 0.00 | |
| Jul 15, 2025 | Howze Yalonda | Option Excercise | 983 | 0.43 | $ 418.76 |
| Jul 15, 2025 | Conway Kevin John | Option Excercise | 587 | $ 0.00 | |
| Jul 15, 2025 | Conway Kevin John | Option Excercise | 173 | 0.43 | $ 73.70 |
| Jul 15, 2025 | Paone Antoinette | Option Excercise | 1592 | $ 0.00 | |
| Jul 15, 2025 | Paone Antoinette | Option Excercise | 468 | 0.43 | $ 199.37 |
| Jul 15, 2025 | Samayoa Phillip | Option Excercise | 1147 | $ 0.00 | |
| Jul 15, 2025 | Samayoa Phillip | Option Excercise | 337 | 0.43 | $ 143.56 |
| Jul 15, 2025 | MCDONOUGH GEOFF | Option Excercise | 5273 | $ 0.00 | |
| Jul 15, 2025 | MCDONOUGH GEOFF | Option Excercise | 1548 | 0.43 | $ 659.45 |
| Apr 15, 2025 | Paone Antoinette | Option Excercise | 468 | 0.37 | $ 172.13 |
| Apr 15, 2025 | MCDONOUGH GEOFF | Option Excercise | 5274 | $ 0.00 | |
| Apr 15, 2025 | MCDONOUGH GEOFF | Option Excercise | 1548 | 0.37 | $ 569.35 |
| Apr 15, 2025 | Conway Kevin John | Option Excercise | 587 | $ 0.00 | |
| Apr 15, 2025 | Conway Kevin John | Option Excercise | 173 | 0.37 | $ 63.63 |
| Apr 15, 2025 | Howze Yalonda | Option Excercise | 3347 | $ 0.00 | |
| Apr 15, 2025 | Howze Yalonda | Option Excercise | 983 | 0.37 | $ 361.55 |
| Apr 15, 2025 | Samayoa Phillip | Option Excercise | 1147 | $ 0.00 | |
| Apr 15, 2025 | Samayoa Phillip | Option Excercise | 337 | 0.37 | $ 123.95 |
| Apr 15, 2025 | Paone Antoinette | Option Excercise | 1592 | $ 0.00 |