GBIO Insider Trading

Insider Ownership Percentage: 20.80%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $69,793.41

Generation Bio Insider Trading History Chart

This chart shows the insider buying and selling history at Generation Bio by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

Generation Bio Share Price & Price History

Current Price: $1.39
Price Change: Price Increase of +0.26 (23.01%)
As of 12/1/2023 01:00 AM ET

This chart shows the closing price history over time for GBIO up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365

Generation Bio Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
8/23/2023Antoinette PaoneCOOSell3,116$4.93$15,361.882,914View SEC Filing Icon  
7/3/2023Phillip SamayoaInsiderSell3,116$5.29$16,483.64101,428View SEC Filing Icon  
4/25/2023Antoinette PaoneCOOSell2,914$4.61$13,433.54View SEC Filing Icon  
1/26/2023Antoinette PaoneCOOSell2,695$5.56$14,984.20View SEC Filing Icon  
1/9/2023Phillip SamayoaInsiderSell1,865$5.11$9,530.1595,819View SEC Filing Icon  
10/27/2022Antoinette PaoneCOOSell2,914$5.03$14,657.42View SEC Filing Icon  
9/29/2022Antoinette PaoneCOOSell2,828$5.24$14,818.72View SEC Filing Icon  
9/19/2022Charles A Rowland JrDirectorBuy15,750$5.26$82,845.00191,797View SEC Filing Icon  
9/15/2022Antoinette PaoneCOOSell4,610$5.32$24,525.202,828View SEC Filing Icon  
9/15/2022Charles A Rowland JrDirectorBuy17,147$5.41$92,765.27142,566View SEC Filing Icon  
9/13/2022Charles A Rowland JrDirectorBuy18,784$5.20$97,676.80119,819View SEC Filing Icon  
3/9/2022Donald William NicholsonDirectorBuy2,293$4.79$10,983.47View SEC Filing Icon  
9/29/2021Jason P. RhodesDirectorSell16,586$24.59$407,849.74View SEC Filing Icon  
9/29/2021Venture Associates X L AtlasMajor ShareholderSell16,556$24.59$407,112.04View SEC Filing Icon  
9/27/2021Jason P. RhodesDirectorSell51,389$25.70$1,320,697.30View SEC Filing Icon  
9/27/2021Venture Associates X L AtlasMajor ShareholderSell51,294$25.70$1,318,255.80View SEC Filing Icon  
9/24/2021Jason P. RhodesDirectorSell28,916$25.84$747,189.44View SEC Filing Icon  
9/24/2021Venture Associates X L AtlasMajor ShareholderSell28,862$25.84$745,794.08View SEC Filing Icon  
9/22/2021Jason P. RhodesDirectorSell30,617$25.89$792,674.13View SEC Filing Icon  
9/22/2021Venture Associates X L AtlasMajor ShareholderSell30,560$25.89$791,198.40View SEC Filing Icon  
8/23/2021Matthew StantonInsiderSell1,500$25.04$37,560.00View SEC Filing Icon  
8/10/2021Matthew StantonInsiderSell1,500$22.63$33,945.00View SEC Filing Icon  
7/12/2021Matthew StantonInsiderSell3,000$25.03$75,090.00View SEC Filing Icon  
7/8/2021Douglas KerrInsiderSell3,518$25.20$88,653.60330,076View SEC Filing Icon  
6/23/2021Jason P. RhodesDirectorSell62,609$25.36$1,587,764.24View SEC Filing Icon  
6/23/2021Venture Associates X L AtlasMajor ShareholderSell62,493$25.36$1,584,822.48View SEC Filing Icon  
6/21/2021Jason P. RhodesDirectorSell63,892$24.84$1,587,077.28View SEC Filing Icon  
6/21/2021Venture Associates X L AtlasMajor ShareholderSell63,774$24.84$1,584,146.16View SEC Filing Icon  
6/15/2021Matthew StantonInsiderSell1,500$28.08$42,120.00199,654View SEC Filing Icon  
6/10/2021Matthew StantonInsiderSell6,000$27.23$163,380.00204,154View SEC Filing Icon  
5/27/2021Matthew StantonInsiderSell1,500$34.05$51,075.00199,654View SEC Filing Icon  
5/11/2021Matthew StantonInsiderSell400$31.05$12,420.00206,754View SEC Filing Icon  
4/23/2021Geoff McDonoughCEOSell10,000$35.10$351,000.001,184,080View SEC Filing Icon  
4/22/2021Matthew StantonInsiderSell3,000$32.55$97,650.00
4/16/2021Matthew StantonInsiderSell1,500$28.03$42,045.00199,654View SEC Filing Icon  
4/14/2021Jason P. RhodesDirectorSell23,413$26.61$623,019.93View SEC Filing Icon  
4/13/2021Venture Associates X L AtlasMajor ShareholderSell43,145$25.16$1,085,528.20View SEC Filing Icon  
4/12/2021Jason P. RhodesDirectorSell74,124$26.15$1,938,342.60View SEC Filing Icon  
4/12/2021Matthew StantonInsiderSell6,000$26.24$157,440.00204,154View SEC Filing Icon  
4/9/2021Venture Associates X L AtlasMajor ShareholderSell43,681$27.61$1,206,032.41View SEC Filing Icon  
4/8/2021Jason P. RhodesDirectorSell43,550$28.50$1,241,175.00View SEC Filing Icon  
4/7/2021Venture Associates X L AtlasMajor ShareholderSell39,864$28.51$1,136,522.64View SEC Filing Icon  
4/5/2021Douglas KerrInsiderSell14,072$30.09$423,426.48340,630View SEC Filing Icon  
3/10/2021Matthew StantonInsiderSell10,500$34.97$367,185.00208,654View SEC Filing Icon  
1/14/2021Matthew StantonInsiderSell5,630$32.54$183,200.20203,784View SEC Filing Icon  
1/11/2021Donald William NicholsonDirectorBuy4,081$24.50$99,984.50103,157View SEC Filing Icon  
1/11/2021Douglas KerrInsiderSell11,267$27.58$310,743.86337,825View SEC Filing Icon  
12/10/2020Matthew StantonInsiderSell10,540$37.62$396,514.80208,694View SEC Filing Icon  
See Full Table

SEC Filings (Institutional Ownership Changes) for Generation Bio (NASDAQ:GBIO)

95.81% of Generation Bio stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at GBIO by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

Generation Bio Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
12/1/2023Wellington Management Group LLP176,165$0.67M0.0%+214.7%0.267%Search for SEC Filing on Google Icon
11/30/2023American Century Companies Inc.30,889$0.12M0.0%+73.7%0.047%Search for SEC Filing on Google Icon
11/15/2023GSA Capital Partners LLP42,319$0.16M0.0%N/A0.064%Search for SEC Filing on Google Icon
11/13/2023FMR LLC8,432,773$31.96M0.0%-2.2%12.790%Search for SEC Filing on Google Icon
10/27/2023TD Asset Management Inc406,598$1.54M0.0%+72.1%0.617%Search for SEC Filing on Google Icon
10/13/2023SG Americas Securities LLC13,430$51K0.0%N/A0.020%Search for SEC Filing on Google Icon
9/21/2023Barclays PLC17,395$95K0.0%-42.4%0.026%Search for SEC Filing on Google Icon
8/21/2023California State Teachers Retirement System15,064$83K0.0%-15.7%0.023%Search for SEC Filing on Google Icon
8/21/2023Osaic Holdings Inc.4,645$26K0.0%N/A0.007%Search for SEC Filing on Google Icon
8/16/2023Nuveen Asset Management LLC272,324$1.50M0.0%-3.0%0.413%Search for SEC Filing on Google Icon
8/15/2023Alliancebernstein L.P.69,816$0.38M0.0%+25.1%0.106%Search for SEC Filing on Google Icon
8/15/2023Wells Fargo & Company MN19,404$0.11M0.0%+82.2%0.029%Search for SEC Filing on Google Icon
8/15/2023XTX Topco Ltd16,836$93K0.0%N/A0.026%Search for SEC Filing on Google Icon
8/15/2023Goldman Sachs Group Inc.720,954$3.97M0.0%+4.6%1.094%Search for SEC Filing on Google Icon
8/14/2023PDT Partners LLC22,187$0.12M0.0%-27.7%0.034%Search for SEC Filing on Google Icon
8/14/2023State of Wisconsin Investment Board118,000$0.65M0.0%+36.3%0.179%Search for SEC Filing on Google Icon
8/14/2023State Street Corp908,713$5M0.0%+1.3%1.378%Search for SEC Filing on Google Icon
8/14/2023Nuveen Asset Management LLC272,324$1.50M0.0%-3.0%0.413%Search for SEC Filing on Google Icon
8/11/2023Renaissance Technologies LLC308,100$1.70M0.0%+7.4%0.467%Search for SEC Filing on Google Icon
8/11/2023BlackRock Inc.3,536,962$19.45M0.0%+2.6%5.365%Search for SEC Filing on Google Icon
8/11/2023SVB Financial Group27,882$0.15M0.3%-31.0%0.042%Search for SEC Filing on Google Icon
8/11/2023Sectoral Asset Management Inc.356,740$1.96M0.3%-7.4%0.541%Search for SEC Filing on Google Icon
8/11/2023State Board of Administration of Florida Retirement System12,860$71K0.0%N/A0.020%Search for SEC Filing on Google Icon
8/11/2023Geode Capital Management LLC1,004,698$5.53M0.0%+7.6%1.524%Search for SEC Filing on Google Icon
8/11/2023JPMorgan Chase & Co.901,317$4.96M0.0%+94.3%1.367%Search for SEC Filing on Google Icon
8/11/2023Northern Trust Corp374,286$2.06M0.0%-2.8%0.568%Search for SEC Filing on Google Icon
8/10/2023MetLife Investment Management LLC24,031$0.13M0.0%+51.6%0.036%Search for SEC Filing on Google Icon
8/10/2023Osaic Holdings Inc.4,645$26K0.0%N/A0.007%Search for SEC Filing on Google Icon
8/10/2023ProShare Advisors LLC10,139$56K0.0%N/A0.015%Search for SEC Filing on Google Icon
8/10/2023Charles Schwab Investment Management Inc.383,524$2.11M0.0%+15.0%0.582%Search for SEC Filing on Google Icon
8/10/2023Citigroup Inc.14,599$80K0.0%+2,050.1%0.022%Search for SEC Filing on Google Icon
8/9/2023Dimensional Fund Advisors LP644,500$3.54M0.0%+18.3%0.978%Search for SEC Filing on Google Icon
8/9/2023TD Asset Management Inc236,255$1.30M0.0%+2.1%0.358%Search for SEC Filing on Google Icon
8/3/2023Barclays PLC17,395$95K0.0%-42.4%0.026%Search for SEC Filing on Google Icon
8/3/2023Innovis Asset Management LLC10,022$55K0.0%-49.6%0.015%Search for SEC Filing on Google Icon
8/3/2023Bank of New York Mellon Corp166,401$0.92M0.0%+3.1%0.253%Search for SEC Filing on Google Icon
7/24/2023Vontobel Holding Ltd.356,740$1.96M0.0%-7.4%0.543%Search for SEC Filing on Google Icon
5/18/2023JPMorgan Chase & Co.463,854$1.99M0.0%+0.6%0.706%Search for SEC Filing on Google Icon
5/16/2023Jane Street Group LLC23,540$0.10M0.0%N/A0.036%Search for SEC Filing on Google Icon
5/16/2023State Street Corp896,746$3.86M0.0%-3.0%1.365%Search for SEC Filing on Google Icon
5/16/2023Geode Capital Management LLC933,757$4.02M0.0%+7.5%1.565%Search for SEC Filing on Google Icon
5/15/2023Cubist Systematic Strategies LLC13,515$58K0.0%N/A0.023%Search for SEC Filing on Google Icon
5/15/2023EcoR1 Capital LLC1,956,579$8.41M0.3%N/A3.279%Search for SEC Filing on Google Icon
5/15/2023Deutsche Bank AG29,177$0.13M0.0%-80.6%0.049%Search for SEC Filing on Google Icon
5/15/2023Ensign Peak Advisors Inc30,640$0.13M0.0%+101.0%0.051%Search for SEC Filing on Google Icon
5/15/2023Price T Rowe Associates Inc. MD7,644,195$32.87M0.0%+5.3%12.812%Search for SEC Filing on Google Icon
5/12/2023Renaissance Technologies LLC287,000$1.23M0.0%+13.9%0.481%Search for SEC Filing on Google Icon
5/12/2023BlackRock Inc.3,446,364$14.82M0.0%-7.1%5.776%Search for SEC Filing on Google Icon
5/12/2023Sectoral Asset Management Inc.385,070$1.66M0.3%+40.6%0.645%Search for SEC Filing on Google Icon
5/12/2023Bank of America Corp DE542,800$2.33M0.0%-37.3%0.910%Search for SEC Filing on Google Icon
5/12/2023UBS Group AG387,283$1.67M0.0%+2.1%0.649%Search for SEC Filing on Google Icon
5/12/2023Dimensional Fund Advisors LP544,835$2.34M0.0%+20.4%0.913%Search for SEC Filing on Google Icon
5/12/2023Charles Schwab Investment Management Inc.333,545$1.43M0.0%-3.7%0.559%Search for SEC Filing on Google Icon
5/11/2023FMR LLC8,949,863$38.48M0.0%+0.4%15.000%Search for SEC Filing on Google Icon
5/11/2023American Century Companies Inc.10,447$49K0.0%N/A0.018%Search for SEC Filing on Google Icon
5/9/2023Bank of New York Mellon Corp161,363$0.69M0.0%-1.6%0.270%Search for SEC Filing on Google Icon
5/9/2023California State Teachers Retirement System17,879$77K0.0%-69.0%0.030%Search for SEC Filing on Google Icon
5/9/2023Y Intercept Hong Kong Ltd10,836$47K0.0%N/A0.018%Search for SEC Filing on Google Icon
5/4/2023Barclays PLC30,186$0.13M0.0%+133.8%0.051%Search for SEC Filing on Google Icon
4/28/2023SG Americas Securities LLC12,699$55K0.0%-25.5%0.021%Search for SEC Filing on Google Icon
4/12/2023Vontobel Holding Ltd.385,070$1.66M0.0%+40.6%0.645%Search for SEC Filing on Google Icon
2/16/2023Alliancebernstein L.P.56,906$0.22M0.0%+7.4%0.096%Search for SEC Filing on Google Icon
2/15/2023Public Employees Retirement System of Ohio11,003$43K0.0%-18.5%0.019%Search for SEC Filing on Google Icon
2/15/2023State of Wisconsin Investment Board122,928$0.48M0.0%-5.2%0.207%Search for SEC Filing on Google Icon
2/15/2023SVB Financial Group52,920$0.21M0.6%N/A0.089%Search for SEC Filing on Google Icon
2/15/2023T. Rowe Price Investment Management Inc.3,577,755$14.06M0.0%+2.7%6.021%Search for SEC Filing on Google Icon
2/15/2023Millennium Management LLC25,918$0.10M0.0%+150.5%0.044%Search for SEC Filing on Google Icon
2/15/2023Morgan Stanley491,976$1.93M0.0%+1.0%0.828%Search for SEC Filing on Google Icon
2/14/2023PDT Partners LLC14,560$57K0.0%-64.1%0.025%Search for SEC Filing on Google Icon
2/14/2023Price T Rowe Associates Inc. MD7,261,046$28.54M0.0%-1.8%12.220%Search for SEC Filing on Google Icon
2/13/2023Charles Schwab Investment Management Inc.346,307$1.36M0.0%+1.7%0.583%Search for SEC Filing on Google Icon
2/13/2023Deutsche Bank AG150,284$0.59M0.0%+7.4%0.253%Search for SEC Filing on Google Icon
2/13/2023Panagora Asset Management Inc.58,613$0.23M0.0%N/A0.099%Search for SEC Filing on Google Icon
2/13/2023Barclays PLC12,913$51K0.0%+533.0%0.022%Search for SEC Filing on Google Icon
2/13/2023Renaissance Technologies LLC252,000$0.99M0.0%-13.2%0.424%Search for SEC Filing on Google Icon
2/13/2023Geode Capital Management LLC868,500$3.41M0.0%+1.6%1.462%Search for SEC Filing on Google Icon
2/13/2023GSA Capital Partners LLP86,154$0.34M0.0%+3.9%0.145%Search for SEC Filing on Google Icon
2/13/2023JPMorgan Chase & Co.461,140$1.81M0.0%+0.7%0.776%Search for SEC Filing on Google Icon
2/10/2023Bank of America Corp DE865,262$3.40M0.0%+42.7%1.456%Search for SEC Filing on Google Icon
2/10/2023Connor Clark & Lunn Investment Management Ltd.10,003$39K0.0%N/A0.017%Search for SEC Filing on Google Icon
2/10/2023Sectoral Asset Management Inc.273,787$1.08M0.2%N/A0.461%Search for SEC Filing on Google Icon
2/10/2023Cheyne Capital Management UK LLP51,126$0.20M0.4%N/A0.086%Search for SEC Filing on Google Icon
2/9/2023Dimensional Fund Advisors LP452,460$1.78M0.0%+35.9%0.761%Search for SEC Filing on Google Icon
2/9/2023Denali Advisors LLC10,600$42K0.0%+43.2%0.018%Search for SEC Filing on Google Icon
2/8/2023UBS Group AG379,465$1.49M0.0%+2.0%0.639%Search for SEC Filing on Google Icon
2/8/2023Swiss National Bank106,800$0.42M0.0%+6.1%0.180%Search for SEC Filing on Google Icon
2/2/2023Nisa Investment Advisors LLC46,700$0.18M0.0%+29.0%0.079%Search for SEC Filing on Google Icon
12/8/2022Bank of New York Mellon Corp165,415$0.88M0.0%+13.3%0.278%Search for SEC Filing on Google Icon
11/15/2022Alliancebernstein L.P.53,006$0.28M0.0%+5.8%0.089%Search for SEC Filing on Google Icon
11/15/2022State Street Corp918,491$4.88M0.0%+0.4%1.546%Search for SEC Filing on Google Icon
11/15/2022Public Employees Retirement System of Ohio13,500$72K0.0%N/A0.023%Search for SEC Filing on Google Icon
11/15/2022Jacobs Levy Equity Management Inc.146,267$0.78M0.0%+302.5%0.246%Search for SEC Filing on Google Icon
11/15/2022Algert Global LLC27,746$0.15M0.0%N/A0.047%Search for SEC Filing on Google Icon
11/15/2022Two Sigma Advisers LP37,200$0.20M0.0%+78.8%0.063%Search for SEC Filing on Google Icon
11/15/2022Two Sigma Investments LP31,567$0.17M0.0%+163.1%0.053%Search for SEC Filing on Google Icon
11/15/2022Trexquant Investment LP32,905$0.18M0.0%N/A0.055%Search for SEC Filing on Google Icon
11/15/2022Vanguard Group Inc.2,218,522$11.78M0.0%+0.4%3.733%Search for SEC Filing on Google Icon
11/15/2022PFM Health Sciences LP3,013,712$16M0.6%+8.7%5.072%Search for SEC Filing on Google Icon
11/15/2022Price T Rowe Associates Inc. MD7,395,573$39.27M0.0%-17.2%12.446%Search for SEC Filing on Google Icon
11/15/2022Farallon Capital Management LLC2,500,000$13.28M0.1%-13.7%4.207%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
Generation Bio logo
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.
Read More on Generation Bio

Today's Range

Now: $1.39
Low: $1.13
High: $1.56

50 Day Range

MA: $1.91
Low: $0.91
High: $3.79

52 Week Range

Now: $1.39
Low: $0.86
High: $7.35

Volume

3,098,299 shs

Average Volume

382,907 shs

Market Capitalization

$91.85 million

P/E Ratio

N/A

Dividend Yield

N/A

Beta

2.47

Who are the company insiders with the largest holdings of Generation Bio?

Generation Bio's top insider shareholders include:
  1. Charles A Rowland Jr (Director)
  2. Phillip Samayoa (Insider)
  3. Antoinette Paone (COO)
  4. Donald William Nicholson (Director)
Learn More about top insider investors at Generation Bio.

Who are the major institutional investors of Generation Bio?

Generation Bio's top institutional investors include:
  1. FMR LLC — 12.79%
  2. TD Asset Management Inc — 0.62%
  3. Wellington Management Group LLP — 0.27%
  4. GSA Capital Partners LLP — 0.06%
  5. American Century Companies Inc. — 0.05%
  6. SG Americas Securities LLC — 0.02%
Learn More about top institutional investors of Generation Bio stock.

Which institutional investors are selling Generation Bio stock?

In the previous quarter, GBIO stock was sold by these institutional investors:
  1. FMR LLC
Within the last year, company insiders that have sold Generation Bio company stock include:
  1. Charles A Rowland Jr (Director)
  2. Phillip Samayoa (Insider)
Learn More investors selling Generation Bio stock.

Which institutional investors are buying Generation Bio stock?

In the last quarter, GBIO stock was purchased by institutional investors including:
  1. TD Asset Management Inc
  2. Wellington Management Group LLP
  3. GSA Capital Partners LLP
  4. SG Americas Securities LLC
  5. American Century Companies Inc.
During the last year, these company insiders have bought Generation Bio stock:
  1. Charles A Rowland Jr (Director)
  2. Phillip Samayoa (Insider)
Learn More investors buying Generation Bio stock.