Generation Bio Co. (GBIO)
NASDAQ
Market Cap
$186.28M
Sector
Healthcare
Industry
Biotechnology
Rank in Sector
140 of 809
Rank in Industry
93 of 445
Largest Insider Buys in Sector
GBIO Stock Price History Chart
GBIO Stock Performance
About Generation Bio Co.
Generation Bio Co., a genetic medicines company, develops therapies for the treatment of rare and prevalent diseases. The company provides a portfolio of programs, including programs for rare and prevalent diseases of the liver and retina. It also focuses on the diseases of skeletal muscle, central nervous system, and oncology. The company was formerly known as Torus Therapeutics, Inc. and changed its name to Generation Bio Co. in November 2017. Generation Bio Co. was incorporated in 2016 and is headquartered in Cambridge, Massachusetts.
Insider Activity of Generation Bio Co.
Over the last 12 months, insiders at Generation Bio Co. have bought $778,895 and sold $39,767 worth of Generation Bio Co. stock.
On average, over the past 5 years, insiders at Generation Bio Co. have bought $34.75M and sold $18.42M worth of stock each year.
Highest buying activity among insiders over the last 12 months: Rowland Charles A Jr (director) — $1.43M. Nicholson Donald William (director) — $144,000. Quinn Anthony G. (director) — $124,778.
The last purchase of 8,000 shares for transaction amount of $14,339 was made by Appelhans Dannielle (director) on 2023‑12‑08.
List of Insider Buy and Sell Transactions, Generation Bio Co.
| 2024-01-02 | Sale | Samayoa Phillip | CHIEF STRATEGY OFFICER | 2,445 0.0032% | $1.62 | $3,961 | +59.57% | |
| 2024-01-02 | Sale | Paone Antoinette | CHIEF OPERATING OFFICER | 2,445 0.0032% | $1.62 | $3,961 | +59.57% | |
| 2023-12-08 | Appelhans Dannielle | director | 8,000 0.0127% | $1.79 | $14,339 | +66.57% | ||
| 2023-12-04 | Rowland Charles A Jr | director | 150,000 0.2255% | $1.50 | $225,000 | +88.00% | ||
| 2023-12-04 | Appelhans Dannielle | director | 12,000 0.018% | $1.50 | $18,000 | +88.00% | ||
| 2023-12-01 | Rowland Charles A Jr | director | 192,960 0.2723% | $1.31 | $252,778 | +96.85% | ||
| 2023-12-01 | Nicholson Donald William | director | 100,000 0.1551% | $1.44 | $144,000 | +96.85% | ||
| 2023-12-01 | Quinn Anthony G. | director | 88,495 0.1344% | $1.41 | $124,778 | +96.85% | ||
| 2023-08-23 | Sale | Paone Antoinette | CHIEF OPERATING OFFICER | 3,116 0.0046% | $4.93 | $15,362 | -43.43% | |
| 2023-07-03 | Sale | Samayoa Phillip | CHIEF STRATEGY OFFICER | 3,116 0.0054% | $5.29 | $16,484 | -40.51% | |
| 2023-04-25 | Sale | Paone Antoinette | CHIEF OPERATING OFFICER | 2,914 0.0049% | $4.61 | $13,434 | -27.77% | |
| 2023-01-26 | Sale | Paone Antoinette | CHIEF OPERATING OFFICER | 2,695 0.0044% | $5.56 | $14,984 | -26.23% | |
| 2023-01-10 | Sale | Paone Antoinette | CHIEF OPERATING OFFICER | 1,865 0.003% | $4.57 | $8,523 | -9.01% | |
| 2023-01-09 | Sale | Samayoa Phillip | CHIEF STRATEGY OFFICER | 1,865 0.0035% | $5.11 | $9,530 | -6.05% | |
| 2022-10-27 | Sale | Paone Antoinette | CHIEF OPERATING OFFICER | 2,914 0.0051% | $5.03 | $14,657 | -5.45% | |
| 2022-09-29 | Sale | Paone Antoinette | CHIEF OPERATING OFFICER | 2,828 0.0049% | $5.24 | $14,819 | -5.50% | |
| 2022-03-09 | Nicholson Donald William | 8,126 0.0137% | $4.71 | $38,273 | +14.72% | |||
| 2021-09-29 | Sale | Rhodes Jason P | director | 16,586 0.0297% | $24.59 | $407,850 | -72.60% | |
| 2021-09-29 | Sale | ATLAS VENTURE ASSOCIATES X, L.P. | 10 percent owner | 16,586 0.0297% | $24.59 | $407,850 | -72.60% | |
| 2021-09-28 | Sale | Rhodes Jason P | director | 13,113 0.0234% | $25.24 | $330,972 | -73.34% |
Insider Historical Profitability
33.7%
| Rowland Charles A Jr | director | 534757 0.8093% | $2.80 | 4 | 0 | +21.36% |
| Nicholson Donald William | director | 213576 0.3232% | $2.80 | 3 | 0 | +5.04% |
| Samayoa Phillip | CHIEF STRATEGY OFFICER | 107256 0.1623% | $2.80 | 0 | 3 | |
| Quinn Anthony G. | director | 88495 0.1339% | $2.80 | 1 | 0 | |
| Appelhans Dannielle | director | 12637 0.0191% | $2.80 | 2 | 0 | |
| Paone Antoinette | CHIEF OPERATING OFFICER | 5828 0.0088% | $2.80 | 0 | 7 | |
| Invus Public Equities, L.P. | 10 percent owner | 2814191 4.2589% | $2.80 | 1 | 0 | +47.36% |
| Wellington Biomedical Innovation Master Investors (Cayman) I L.P. | 10 percent owner | 2112546 3.197% | $2.80 | 1 | 0 | +47.36% |
| Seybold William | 10 percent owner | 1918819 2.9039% | $2.80 | 1 | 0 | +47.36% |
| Zone Healthcare Holdings, LLC | 10 percent owner | 1918819 2.9039% | $2.80 | 1 | 0 | +47.36% |
| Casdin Capital, LLC | 10 percent owner | 1611215 2.4384% | $2.80 | 1 | 0 | +47.36% |
| Flynn James E | 10 percent owner | 1186215 1.7952% | $2.80 | 1 | 0 | +47.36% |
| MCDONOUGH GEOFF | PRESIDENT AND CEO | 1174080 1.7768% | $2.80 | 0 | 3 | |
| Angelino Mark D. | CHIEF OPERATING OFFICER | 345637 0.5231% | $2.80 | 0 | 2 | |
| Kerr Douglas | CHIEF MEDICAL OFFICER | 326558 0.4942% | $2.80 | 0 | 5 | |
| Stanton Matthew | CHIEF SCIENTIFIC OFFICER | 198154 0.2999% | $2.80 | 0 | 19 | |
| Rhodes Jason P | director | 0 0% | $2.80 | 0 | 16 | |
| Zimmermann Tracy | CHIEF DEVELOPMENT OFFICER | 0 0% | $2.80 | 0 | 6 | |
| ATLAS VENTURE ASSOCIATES X, L.P. | 10 percent owner | 0 0% | $2.80 | 0 | 16 |
Institutional Investor Ownership
Top Shareholders
Top Buyers
Top Sellers
New Shareholders
Sold-Out Shareholders
| T. Rowe Price | $36.14M | 13.35 | 8.88M | +28.19% | +$7.95M | <0.01 | |
| Atlas Venture Life Science Advisors Llc | $33.7M | 12.45 | 8.28M | 0% | +$0 | 3.22 | |
| Fidelity Investments | $21.71M | 8.02 | 5.33M | -0.34% | -$73,829.80 | <0.01 | |
| Bellevue Group | $15.72M | 5.8 | 3.86M | +6.76% | +$995,094.63 | 0.24 | |
| BlackRock | $12.41M | 4.58 | 3.05M | -3.77% | -$486,633.64 | <0.0001 | |
| Bank of America | $12.17M | 4.49 | 2.99M | +18.27% | +$1.88M | <0.01 | |
| Artal Group S A | $11.52M | 4.26 | 2.83M | +0.58% | +$66,748.00 | 0.06 | |
| The Vanguard Group | $10.46M | 3.86 | 2.57M | +0.71% | +$74,094.34 | <0.0001 | |
| Ecor1 Capital Llc | $8.33M | 3.08 | 2.05M | 0% | +$0 | 0.21 | |
| PFM Health Sciences | $6.6M | 2.44 | 1.62M | 0% | +$0 | 0.18 | |
| Deutsche Bank | $5.09M | 1.88 | 1.25M | +1.56% | +$78,347.51 | <0.01 | |
| Goldman Sachs | $5.06M | 1.87 | 1.24M | +7.12% | +$336,120.92 | <0.01 | |
| Geode Capital Management | $4.36M | 1.61 | 1.07M | -0.68% | -$29,608.66 | <0.0001 | |
| State Street | $3.93M | 1.45 | 964,609 | +4.62% | +$173,471.56 | <0.0001 | |
| Morgan Stanley | $3.83M | 1.42 | 941,782 | -11.49% | -$497,687.90 | <0.0001 | |
| UBS | $3.53M | 1.31 | 868,100 | +0.08% | +$2,853.07 | <0.01 | |
| Renaissance Technologies | $2.71M | 1 | 664,500 | -3.61% | -$101,361.17 | <0.01 | |
| Dimensional Fund Advisors | $2.05M | 0.76 | 504,251 | -26.18% | -$727,915.23 | <0.01 | |
| Acadian Asset Management | $1.95M | 0.72 | 479,835 | +113.86% | +$1.04M | 0.01 | |
| D. E. Shaw & Co. | $1.81M | 0.67 | 443,708 | +56.73% | +$653,642.16 | <0.01 | |
| Charles Schwab | $1.58M | 0.59 | 389,255 | +2.04% | +$31,644.25 | <0.0001 | |
| Northern Trust | $1.56M | 0.58 | 383,286 | +2.73% | +$41,518.07 | <0.0001 | |
| Los Angeles Capital Management LLC | $1.55M | 0.57 | 381,661 | +38.37% | +$430,715.82 | 0.01 | |
| Baker Bros Advisors LP | $1.51M | 0.56 | 371,219 | New | +$1.51M | 0.02 | |
| Td Asset Management Inc | $1.39M | 0.51 | 340,686 | 0% | +$0 | <0.01 | |
| Two Sigma Advisers LP | $1.36M | 0.5 | 333,600 | +57.06% | +$493,284.00 | <0.01 | |
| Two Sigma | $1.28M | 0.47 | 314,151 | -0.92% | -$11,908.82 | <0.01 | |
| JPMorgan Chase | $1.09M | 0.4 | 268,078 | -6.23% | -$72,478.60 | <0.0001 | |
| Bridgeway Capital Management | $983,312.00 | 0.36 | 241,600 | -0.58% | -$5,698.00 | 0.02 | |
| Millennium Management LLC | $906,564.00 | 0.34 | 222,743 | -70.41% | -$2.16M | <0.01 | |
| Yiheng Capital Llc | $779,527.00 | 0.29 | 191,530 | New | +$779,527.00 | 0.11 | |
| Nuveen | $688,909.00 | 0.25 | 169,265 | -26.07% | -$242,897.76 | <0.0001 | |
| Xtx Topco Ltd | $676,462.00 | 0.25 | 166,207 | +13.53% | +$80,602.22 | 0.04 | |
| The Manufacturers Life Insurance Company | $616,479.00 | 0.23 | 151,469 | +4.95% | +$29,100.51 | <0.01 | |
| BNY Mellon | $579,478.00 | 0.21 | 142,378 | -10.76% | -$69,837.07 | <0.0001 | |
| Connor Clark & Lunn Investment Management Ltd | $369,389.00 | 0.14 | 90,759 | +218.26% | +$253,324.85 | <0.01 | |
| Panagora | $357,928.00 | 0.13 | 87,943 | +196.72% | +$237,301.34 | <0.01 | |
| Cornercap Investment Counsel Inc | $301,872.00 | 0.11 | 74,170 | +92.86% | +$145,347.89 | 0.05 | |
| RhumbLine Advisers | $299,025.00 | 0.11 | 73,473 | +2.23% | +$6,528.06 | <0.0001 | |
| AllianceBernstein | $265,710.00 | 0.1 | 65,285 | 0% | +$0 | <0.0001 | |
| Gsa Capital Partners Llp | $261,000.00 | 0.1 | 64,244 | -50.61% | -$267,427.09 | 0.02 | |
| Citadel Advisors LLC | $234,517.00 | 0.09 | 57,621 | -54.33% | -$279,034.57 | <0.0001 | |
| Kestra Private Wealth Services | $212,861.00 | 0.08 | 52,300 | +71.47% | +$88,726.00 | 0.01 | |
| Prudential Financial | $167,582.00 | 0.06 | 41,175 | +45.11% | +$52,095.92 | <0.0001 | |
| Man Group Plc | $155,950.00 | 0.06 | 38,317 | New | +$155,950.00 | <0.0001 | |
| Barclays | $152,000.00 | 0.06 | 37,405 | -44.88% | -$123,761.85 | <0.0001 | |
| Jacobs Levy Equity Management | $131,673.00 | 0.05 | 32,352 | -63.46% | -$228,665.43 | <0.01 | |
| Jane Street Capital | $115,681.00 | 0.04 | 28,423 | -73.44% | -$319,920.66 | <0.0001 | |
| Simplex Trading Llc | $102,000.00 | 0.04 | 25,092 | +95.79% | +$49,902.44 | <0.01 | |
| MetLife Investment Management | $99,129.00 | 0.04 | 24,356 | New | +$99,129.00 | <0.01 |