Korro Bio

KRRO

Market cap $193M

CAMBRIDGE, Mass., May 27, 2026 (GLOBE NEWSWIRE) -- Korro Bio, Inc. (Korro) (Nasdaq: KRRO), a biopharmaceutical company leveraging a novel Oligonucleotide Promoted Editing of RNA (OPERA®) platform to develop a new class of genetic medicines for rare and highly prevalent diseases, today announced that Ram Aiyar, Ph.D.

Potential best-in-class therapeutic delivered subcutaneously (GalNAc-conjugated oligonucleotide) for a debilitating genetic condition impacting both the liver and lungs Demonstrated >90% editing of SERPINA1 transcript in vivo translating into ~90% repaired functional alpha-1 antitrypsin (AAT) protein in plasma in a mouse model of AATD Demonstrated a near elimination of active Z-protein production while showing progressive clearance of pre-existing aggregates in a mouse model of AATD Pre-clinical data highlighted the possibility of repeat dose therapy to achieve the functional equivalent of a DNA modification without altering the genome CAMBRIDGE, Mass., May 19, 2026 (GLOBE NEWSWIRE) -- Korro Bio, Inc. (Korro) (Nasdaq: KRRO), a biopharmaceutical company leveraging a novel Oligonucleotide Promoted Editing of RNA (OPERA®) platform to develop a new class of genetic medicines for rare and highly prevalent diseases, today announced the addition of KRRO-111 for the potential treatment of AATD to its pipeline of therapeutic programs in development.

CAMBRIDGE, Mass., May 15, 2026 (GLOBE NEWSWIRE) -- Korro Bio, Inc. (Korro) (Nasdaq: KRRO), a biopharmaceutical company leveraging a novel Oligonucleotide Promoted Editing of RNA (OPERA®) platform to develop a new class of genetic medicines for rare and highly prevalent diseases, today announced the grant of a non-statutory stock option to one newly hired employee.

Hosted virtual Analyst Day showcasing lead program KRRO-121's potential to be a first-in-class transformational treatment for hyperammonemia in patients with urea cycle disorders (UCDs) and hepatic encephalopathy (HE); regulatory filing for KRRO-121 expected in the second half of 2026 Advanced early-stage research and development programs highlighted by a GalNac-conjugated oligonucleotide for alpha-1 antitrypsin deficiency (AATD); on track to announce development candidate in second quarter of 2026 Executed oversubscribed $85 million private placement to support the achievement of value inflection points for multiple RNA editing clinical programs and extend cash runway into the second half of 2028 CAMBRIDGE, Mass., May 07, 2026 (GLOBE NEWSWIRE) -- Korro Bio, Inc. (Korro) (Nasdaq: KRRO), a biopharmaceutical company leveraging a novel oligonucleotide promoted editing of RNA (OPERA®) platform to develop a new class of genetic medicines for rare and highly prevalent diseases, today reported results for the first quarter ended March 31, 2026, and provided a corporate update.

CAMBRIDGE, Mass., May 05, 2026 (GLOBE NEWSWIRE) -- Korro, Bio, Inc. (Korro) (Nasdaq: KRRO), a biopharmaceutical company leveraging a novel oligonucleotide promoted editing of RNA (OPERA®) platform to develop a new class of genetic medicines for rare and highly prevalent diseases, today announced that Ram Aiyar, Chief Executive Officer and President, Jeffrey Cerio, SVP and General Counsel, Todd Chappell, Chief Operating Officer, and Loïc Vincent, Chief Scientific Officer, will participate in the following investor conferences: HCW 4th Annual BioConnect Nasdaq Investor Conference Format: Fireside chat moderated by Mitchell Kapoor, Director and Senior Analyst, Biotechnology Equity Research, H.C.

Korro Bio, Inc. (KRRO) has been upgraded to a Zacks Rank #2 (Buy), reflecting growing optimism about the company's earnings prospects. This might drive the stock higher in the near term.

CAMBRIDGE, Mass., April 16, 2026 (GLOBE NEWSWIRE) -- Korro, Bio, Inc. (Korro) (Nasdaq: KRRO),  a biopharmaceutical company developing a new class of genetic medicines based on editing RNA for rare and highly prevalent diseases, today announced oral and poster presentations highlighting data from its oligonucleotide delivery based RNA editing technology (OPERA®) will take place at the following scientific conferences:

CAMBRIDGE, Mass., April 10, 2026 (GLOBE NEWSWIRE) -- Korro Bio, Inc. (Korro) (Nasdaq: KRRO), a biopharmaceutical company developing a new class of genetic medicines based on editing RNA for rare and highly prevalent diseases, today announced the grant of a non-statutory stock option to one newly hired employee.

Korro Bio reported a net loss of $117.3 million for the year ended December 31, 2025, compared to a loss of $83.6 million in the previous year, driven by non-cash impairment charges.

Korro Bio, Inc. (KRRO) came out with a quarterly loss of $5.32 per share versus the Zacks Consensus Estimate of a loss of $1.93. This compares to a loss of $2.26 per share a year ago.