CAMBRIDGE, Mass., Nov. 05, 2025 (GLOBE NEWSWIRE) -- Generation Bio Co . (Nasdaq: GBIO), a biotechnology company, today reported third quarter financial results. Third Quarter 2025 Financial Results Cash Position: Cash, cash equivalents, and marketable securities were $89.6 million as of September 30, 2025, compared to $185.2 million as of December 31, 2024. The company expects that its cash, cash equivalents, and marketable... Read More

Geoff McDonough, MD to step down as CEO & President and become Chair of the Company’s Board of Directors Current Chief Legal Officer Yalonda Howze, JD named Interim CEO & President CAMBRIDGE, MASS., Oct. 22, 2025 (GLOBE NEWSWIRE) -- Generation Bio Co . (Nasdaq: GBIO), a biotechnology company working to change what’s possible for people living with T cell-driven autoimmune diseases, today announced that Geoff McDonough, MD... Read More

New data confirm highly selective profile of cell-targeted lipid nanoparticle (ctLNP) and first-ever siRNA delivery to T cells in non-human primates Lead siRNA candidates show potent knockdown of LAT1 and VAV1, targets potentially relevant to T cell-driven autoimmune diseases Company is evaluating strategic alternatives to maximize value of its delivery system and potential therapeutics for T cell-driven autoimmune diseases... Read More

CAMBRIDGE, Mass., July 18, 2025 (GLOBE NEWSWIRE) -- Generation Bio Co. (Nasdaq: GBIO), a biotechnology company working to change what’s possible for people living with T cell-driven autoimmune diseases, today announced that it will implement a 1-for-10 reverse stock split of the issued shares of the Company’s common stock (“Reverse Stock Split”), effective at 5:00 pm Eastern Time on July 21, 2025. The Reverse Stock Split was... Read More

CAMBRIDGE, Mass., July 07, 2025 (GLOBE NEWSWIRE) -- Generation Bio Co. (Nasdaq:GBIO), a biotechnology company working to change what’s possible for people living with T cell-driven autoimmune diseases, today announced that, on July 1, 2025, the company granted equity awards to one new employee, pursuant to the company’s 2025 Inducement Stock Incentive Plan, as an inducement material to such new employee’s entering into... Read More

CAMBRIDGE, Mass., May 28, 2025 (GLOBE NEWSWIRE) -- Generation Bio Co. (Nasdaq:GBIO), a biotechnology company working to change what’s possible for people living with T cell-driven autoimmune diseases, announced that Geoff McDonough, M.D., president and chief executive officer, will present at the Jefferies Global Healthcare Conference on Wednesday, June 4 th at 8:10 a.m. ET. A live webcast of the presentation will be... Read More

Company continues to advance its strategy to develop first-in-class treatments for T cell-driven autoimmune diseases using its cell-targeted lipid nanoparticle (ctLNP) technology to deliver siRNA Lead target and portfolio strategy to be announced mid-2025 Cash balance of $157.6 million expected to fund operations into 2H 2027 CAMBRIDGE, MASS., May 07, 2025 (GLOBE NEWSWIRE) -- Generation Bio Co . (Nasdaq: GBIO), a... Read More

CAMBRIDGE, Mass., April 02, 2025 (GLOBE NEWSWIRE) -- Generation Bio Co . (Nasdaq:GBIO), a biotechnology company working to change what’s possible for people living with T cell-driven autoimmune diseases, announced that Geoff McDonough, M.D., president and chief executive officer, will participate in a fireside chat at the 24th Annual Needham Virtual Healthcare Conference on Wednesday, April 9 th at 12:45 p.m. ET. A live... Read More

Company is applying its T cell-selective lipid nanoparticle to develop siRNA therapeutics for T cell-driven autoimmune diseases Lead target and indication to be announced MY 2025 Cash balance of $185.2 million expected to fund operations into 2H 2027 CAMBRIDGE, MASS., March 13, 2025 (GLOBE NEWSWIRE) -- Generation Bio Co . (Nasdaq:GBIO), a biotechnology company working to change what’s possible for people living with T... Read More

CAMBRIDGE, Mass., Feb. 24, 2025 (GLOBE NEWSWIRE) -- Generation Bio Co . (Nasdaq:GBIO), a biotechnology company working to change what’s possible for people living with T cell-driven autoimmune diseases, announced that Geoff McDonough, M.D., president and chief executive officer, will present at the TD Cowen 45th Annual Health Care Conference on Monday, March 3, 2025 at 9:10 a.m. ET in Boston. A live webcast of the... Read More

Novel programs will combine validated cell-targeted LNP (ctLNP) delivery with siRNA to selectively modulate T cells in vivo Programs to focus on silencing hard-to-drug targets of high therapeutic value in T cell-driven autoimmune diseases Company reorganization supports evolution of ctLNP-enabled strategy and buildout of clinical capabilities ahead of first IND expected in 2H 2026 CAMBRIDGE, Mass., Jan. 06, 2025 (GLOBE... Read More

Non-human primate data presented at ESGCT demonstrated selective in vivo delivery of mRNA with T cell-targeted lipid nanoparticle (ctLNP) Cash balance of $199.8 million expected to fund operations into 2H 2027 CAMBRIDGE, Mass., Nov. 06, 2024 (GLOBE NEWSWIRE) -- Generation Bio Co . (Nasdaq:GBIO), a biotechnology company innovating genetic medicines for people living with rare and prevalent diseases, reported business... Read More

New non-human primate data show highly selective in vivo delivery of mRNA to T cells with a cell-targeted lipid nanoparticle (ctLNP) CAMBRIDGE, Mass., Oct. 22, 2024 (GLOBE NEWSWIRE) -- Generation Bio Co. (Nasdaq:GBIO) a biotechnology company innovating genetic medicines for people living with rare and prevalent diseases, today... Read More

CAMBRIDGE, Mass., Sept. 12, 2024 (GLOBE NEWSWIRE) -- Generation Bio Co. (Nasdaq:GBIO) a biotechnology company innovating genetic medicines for people living with rare and prevalent diseases, announced that Geoff McDonough, M.D., president and chief executive officer, will participate in a fireside chat at the 2024 Cantor Global Healthcare Conference on Thursday, September 19, 2024 at 10:20 a.m. ET in New York. A live webcast... Read More

CAMBRIDGE, Mass., Aug. 07, 2024 (GLOBE NEWSWIRE) -- Generation Bio Co . (Nasdaq: GBIO), a biotechnology company innovating genetic medicines for people living with rare and prevalent diseases, reported business highlights and second quarter 2024 financial results. “We continue to apply our proprietary cell-targeted LNP delivery system to develop in vivo genetic medicines for T cells, hematopoietic stem cells and... Read More

CAMBRIDGE, Mass., Aug. 06, 2024 (GLOBE NEWSWIRE) -- Generation Bio Co. (Nasdaq:GBIO) a biotechnology company innovating genetic medicines for people living with rare and prevalent diseases, announced that Geoff McDonough, M.D., president and chief executive officer, will participate in a fireside chat at the Canaccord Genuity 44th Annual Growth Conference on Tuesday, August 13 th , 2024 at 2:30 p.m. ET in Boston. A live... Read More

CAMBRIDGE, Mass., June 14, 2024 (GLOBE NEWSWIRE) -- Generation Bio Co. (Nasdaq:GBIO) a biotechnology company innovating genetic medicines for people living with rare and prevalent diseases, announced that Geoff McDonough, M.D., president and chief executive officer, will participate in a fireside chat at the virtual 2024 TD Cowen Genetic Medicines & RNA Summit on Friday, June 21 st , 2024 at 1:50 p.m. ET. A live webcast of... Read More

Oral presentation at ASGCT described selective, high levels of therapeutic transgene delivery to T cells in vivo by cell-targeted lipid nanoparticle (ctLNP) ASGCT poster presentations described immune-quiet DNA (iqDNA) as partially single-stranded, produced by flexible, scalable, proprietary rapid enzymatic synthesis Cash balance of $233.9 million still expected to fund operations into 2H 2027 CAMBRIDGE, Mass., May 13, 2024... Read More

Data presented show immune-quiet DNA (iqDNA) is a partially single-stranded DNA cargo that maintains expression while evading innate immune sensors Rapid enzymatic synthesis continues to improve iqDNA performance through process development and the identification of novel structural elements Data on cell-targeted LNP (ctLNP) in vivo delivery of therapeutic transgenes to T cells to be discussed in an oral presentation on... Read More

CAMBRIDGE, Mass., April 22, 2024 (GLOBE NEWSWIRE) -- Generation Bio Co. (Nasdaq:GBIO) a biotechnology company innovating genetic medicines for people living with rare and prevalent diseases, today announced that six abstracts highlighting preclinical data from its cell-targeted lipid nanoparticle (ctLNP) and immune-quiet DNA (iqDNA) platforms have been accepted for presentation, including one oral presentation, at the... Read More

CAMBRIDGE, Mass., April 02, 2024 (GLOBE NEWSWIRE) -- Generation Bio Co. (Nasdaq:GBIO) a biotechnology company innovating genetic medicines for people living with rare and prevalent diseases, announced that Geoff McDonough, M.D., president and chief executive officer, will participate in a fireside chat at the 23rd Annual Needham Virtual Healthcare Conference on Tuesday, April 9, 2024 at 12:45 p.m. ET. A live webcast of the... Read More

Company is leveraging proprietary cell-targeted lipid nanoparticle delivery to develop wholly-owned in vivo program for sickle cell disease and beta-thalassemia Development of breakthrough immune-quiet DNA for hemophilia A program continues Cash balance of $264.4 million expected to fund operations into 2H 2027 CAMBRIDGE, Mass., March 06, 2024 (GLOBE NEWSWIRE) -- Generation Bio Co . (Nasdaq:GBIO), a biotechnology company... Read More

CAMBRIDGE, Mass., Feb. 27, 2024 (GLOBE NEWSWIRE) -- Generation Bio Co. (Nasdaq:GBIO) a biotechnology company innovating genetic medicines for people living with rare and prevalent diseases, announced that Geoff McDonough, M.D., president and chief executive officer, will present at the 2024 TD Cowen Health Care Conference on Tuesday, March 5, 2024 at 9:10 a.m. ET in Boston. A live webcast of the presentation will be... Read More

CAMBRIDGE, Mass., Jan. 03, 2024 (GLOBE NEWSWIRE) -- Generation Bio Co. (Nasdaq:GBIO) a biotechnology company innovating genetic medicines for people living with rare and prevalent diseases, announced that Geoff McDonough, M.D., president and chief executive officer, will present at the 42 nd Annual J.P. Morgan Healthcare Conference on Wednesday, January 10, 2024 at 3:45 p.m. PT in San Francisco. A live webcast of the... Read More

Company to invest in highly selective cell-targeted lipid nanoparticle (ctLNP) delivery platform to develop wholly-owned programs for extrahepatic cell types Development of immune-quiet DNA (iqDNA) platform for lead hemophilia A program to continue Strategic reorganization will result in a 40% reduction of workforce Anticipated cost savings to extend cash runway into 2H 2027 CAMBRIDGE, Mass., Nov. 29, 2023 (GLOBE NEWSWIRE)... Read More

Immune-quiet DNA evades innate immune sensors in both mice and non-human primates addressing a central challenge for non-viral DNA therapeutics Proprietary cell-targeted LNP delivery system showed highly selective T cell transduction in humanized mouse model, demonstrating in vivo targeting for T cells and potentially for other extrahepatic tissues and cell types Third quarter 2023 cash balance of $291.0 million expected to... Read More

70% of circulating and splenic T cells positive for mRNA expression in humanized mice with less than 8% delivery to off-target immune cells Stealth properties of cell-targeted lipid nanoparticle (ctLNP) platform confirmed in non-human primates, demonstrating prolonged circulation and less than 0.1% delivery to liver and spleen... Read More

Immune-quiet DNA (iqDNA) is a novel variant of closed-ended DNA (ceDNA) that evades host innate immune detection in both mice and non-human primates (NHPs) with a systemic cytokine profile and tolerability comparable to mRNA Company is advancing iqDNA in lieu of prior ceDNA constructs across all programs, including its lead... Read More

CAMBRIDGE, Mass., Sept. 19, 2023 (GLOBE NEWSWIRE) -- Generation Bio Co. (Nasdaq:GBIO), a biotechnology company innovating genetic medicines for people living with rare and prevalent diseases, announced that Geoff McDonough, M.D., president and chief executive officer, will participate in a fireside chat at the Jefferies Cell & Genetic Medicine Summit on Tuesday, September 26, 2023 at 9:30 a.m. ET in New York. A live webcast... Read More

CAMBRIDGE, Mass., Aug. 03, 2023 (GLOBE NEWSWIRE) -- Generation Bio Co. (Nasdaq:GBIO), a biotechnology company innovating genetic medicines for people living with rare and prevalent diseases, announced that Matt Norkunas, M.D., chief financial officer, will present at the 2023 Canaccord Healthcare Conference on Thursday, August 10, 2023 at 11:00 a.m. ET in Boston. A live webcast of the presentation will be available on the... Read More

CAMBRIDGE, Mass., Aug. 02, 2023 (GLOBE NEWSWIRE) -- Generation Bio Co . (Nasdaq: GBIO), a biotechnology company innovating genetic medicines for people living with rare and prevalent diseases, reported business highlights and second quarter 2023 financial results. “We continue to make encouraging progress in the development of our cell-targeted lipid nanoparticle (ctLNP) technology, which is a unique, highly specific,... Read More

CAMBRIDGE, Mass., May 31, 2023 (GLOBE NEWSWIRE) -- Generation Bio Co. (Nasdaq:GBIO), a biotechnology company innovating genetic medicines for people living with rare and prevalent diseases, announced that Geoff McDonough, M.D., president and chief executive officer, will present at the 2023 Jefferies Healthcare Conference Wednesday, June 7, 2023 at 1:30 p.m. EST in New York. A live webcast of the presentation will be... Read More

Company entered into strategic collaboration with Moderna to use Generation Bio’s proprietary non-viral genetic medicine delivery system for two liver disease programs and to co-develop novel targeting for immune cells Factor VIII expression data in non-human primates for wholly-owned hemophilia A program expected in 2023 First quarter 2023 cash balance of $288.6 million expected to fund operations into 2025; additional... Read More

CAMBRIDGE, Mass., May 09, 2023 (GLOBE NEWSWIRE) -- Generation Bio Co. (Nasdaq:GBIO), a biotechnology company innovating genetic medicines for people living with rare and prevalent diseases, announced that Matt Norkunas, M.D., chief financial officer, will present at the JMP Securities Life Sciences on Tuesday, May 16, 2023 at 1:00 p.m. EST in New York. A live webcast of the presentation will be available on the investor... Read More

CAMBRIDGE, Mass., April 11, 2023 (GLOBE NEWSWIRE) -- Generation Bio Co. (Nasdaq:GBIO), a biotechnology company innovating genetic medicines for people living with rare and prevalent diseases, announced that Geoff McDonough, M.D., president and chief executive officer, will participate in a fireside chat at the 22 nd Annual Needham Virtual Healthcare on Tuesday, April 18 th at 3:00 p.m. EST. A live webcast of the panel will... Read More

CAMBRIDGE, Mass., April 05, 2023 (GLOBE NEWSWIRE) -- Generation Bio Co. (Nasdaq:GBIO), a biotechnology company innovating genetic medicines for people living with rare and prevalent diseases, announced that Yalonda Howze, J.D. has been appointed chief legal officer and secretary. “We are delighted to welcome Yalonda to the Generation Bio leadership team and look forward to drawing on her extensive legal expertise as we... Read More

Collaboration will extend the applications of each company’s platform through discovery and development of novel lipid nanoparticles using Generation Bio’s proprietary stealth cell-targeted lipid nanoparticle (ctLNP) delivery system Moderna has acquired an option to license Generation Bio’s ctLNP and closed-ended DNA (ceDNA) technology for two immune cell programs and two liver programs, with an additional option for a third... Read More

CAMBRIDGE, Mass., March 21, 2023 (GLOBE NEWSWIRE) -- Generation Bio Co. (Nasdaq:GBIO), a biotechnology company innovating genetic medicines for people living with rare and prevalent diseases, announced that the company will participate in the Novel LNPs Targeting Diverse Tissues panel at the BMO Biopharma Spotlight Series: Novel Technologies for the Delivery of Genetic Medicines, which will take place virtually on Tuesday,... Read More

CAMBRIDGE, Mass., Feb. 27, 2023 (GLOBE NEWSWIRE) -- Generation Bio Co. (Nasdaq:GBIO), a biotechnology company innovating genetic medicines for people living with rare and prevalent diseases, announced that Geoff McDonough, M.D., president and chief executive officer, will participate in the Gene Therapy panel discussion at the 43 rd Annual Cowen Healthcare Conference on Monday, March 6 th at 10:30 a.m. EST in Boston, MA. A... Read More

Company expects to announce data for Factor VIII expression in non-human primates in 2023 Strong cash balance of $279.1M provides expected runway into 2025 CAMBRIDGE, Mass., Feb. 23, 2023 (GLOBE NEWSWIRE) -- Generation Bio Co . (Nasdaq: GBIO), a biotechnology company innovating genetic medicines for people living with rare and prevalent diseases, outlined its strategic priorities for 2023 and reported fourth quarter and full... Read More

CAMBRIDGE, Mass., Jan. 03, 2023 (GLOBE NEWSWIRE) -- Generation Bio Co. (Nasdaq: GBIO), a biotechnology company innovating genetic medicines for people living with rare and prevalent diseases, announced that the company will present at the 41 st Annual J.P. Morgan Healthcare Conference on January 10 th at 4:30 p.m. PST in San Francisco, CA. A live webcast of the company presentation will be available on the investor section... Read More