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MREO

Mereo BioPharma

MREO

Market cap $48.4M

0.3030 USD

+0.0129

4.45%

At close Updated Sep 18, 4:00 PM EDT

Pre-market

After hours

0.3100

+0.0070

2.31%

1 day

4.45%

5 days

8.21%

1 month

-3.19%

3 months

-2.07%

6 months

-13.85%

Year to date

-40.63%

1 year

-82.88%

5 years

-87.88%

10 years

-95.34%

About: Mereo BioPharma Group PLC is a United Kingdom (U.K.) based biopharmaceutical company focused on the development of therapeutics for rare diseases. The company has developed a portfolio of late-stage clinical product candidates, and its two rare disease product candidates are setrusumab for the treatment of osteogenesis imperfecta (OI) and alvelestat, mainly for the treatment of severe alpha-1 antitrypsin deficiency-associated lung disease (AATD-LD).

Employees: 39

Healthcare Biotechnology

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Sentynl Therapeutics and Mereo BioPharma Announce Option and License Agreement for alvelestat in Alpha-1 Antitrypsin Deficiency-Associated Lung Disease (AATD-LD)

Sentynl expands its rare disease portfolio with potential first-in-class oral treatment for AATD-LD, a rare genetic respiratory disease On option exercise, Sentynl will have the right to commercialize the product in the United States; Mereo to lead global development and retains rest of the world rights Mereo will receive an upfront option fee and, on option exercise, is eligible to receive up to $40 million in upfront and R&D payments until NDA filing, and double-digit tiered royalties on U.S. sales Companies will collaborate to refine the Phase 3 design during short option period SOLANA BEACH, Calif. and AHMEDABAD, India and LONDON, Aug. 11, 2026 /PRNewswire/ -- Sentynl Therapeutics, Inc. ("Sentynl"), a U.S.-based biopharmaceutical company and wholly-owned subsidiary of Zydus Lifesciences Limited ("Zydus") and Mereo BioPharma Group plc (Nasdaq: MREO) ("Mereo" or the "Company"), a clinical-stage biopharmaceutical company focused on rare diseases, today announced that they have entered into an option and license agreement for the U.S. commercial and global manufacturing rights to alvelestat for AATD-LD.

Sentynl Therapeutics and Mereo BioPharma Announce Option and License Agreement for alvelestat in Alpha-1 Antitrypsin Deficiency-Associated Lung Disease (AATD-LD)

4basebio Announces Appointment of Chief Financial Officer and Board Changes

Richard Bungay appointed as CFO, bringing a strong track record in fundraising, M&A and partnering for listed and private companies, including two major exits and over $400m raised Cambridge, UK, 14 May 2026 – 4basebio PLC (AIM: 4BB), a specialist in synthetic DNA manufacturing and nucleic acids for next-generation therapeutics, announces the appointment of Richard Bungay as Chief Financial Officer, with effect from July 2026. Richard takes over the role from David Roth, who stepped down from the Board earlier this year and remained working with the Company over the orderly handover period.

4basebio Announces Appointment of Chief Financial Officer and Board Changes

Mereo BioPharma Reports First Quarter 2026 Financial Results and Provides Corporate Updates

LONDON, May 12, 2026 (GLOBE NEWSWIRE) -- Mereo BioPharma Group plc (NASDAQ: MREO) (“Mereo” or the “Company”), a clinical-stage biopharmaceutical company focused on rare diseases, today announced financial results for the first quarter ended March 31, 2026, and provided an update on recent corporate developments.

Mereo BioPharma Reports First Quarter 2026 Financial Results and Provides Corporate Updates

Class Action Filed Against Mereo BioPharma Group plc (MREO) - April 6, 2026 Deadline to Join – Contact Levi & Korsinsky

NEW YORK, April 06, 2026 (GLOBE NEWSWIRE) -- Levi & Korsinsky, LLP notifies investors in Mereo BioPharma Group plc ("Mereo" or the "Company") (NASDAQ: MREO) of a class action securities lawsuit.

Class Action Filed Against Mereo BioPharma Group plc (MREO) - April 6, 2026 Deadline to Join – Contact Levi & Korsinsky

MREO DEADLINE TODAY: ROSEN, GLOBAL INVESTOR COUNSEL, Encourages Mereo BioPharma Group plc Investors to Secure Counsel Before Important April 6 Deadline in Securities Class Action – MREO

NEW YORK, April 06, 2026 (GLOBE NEWSWIRE) -- WHY: Rosen Law Firm, a global investor rights law firm, reminds purchasers of American Depositary Shares (“ADS”) of Mereo BioPharma Group plc (NASDAQ: MREO) between June 5, 2023 and December 26, 2025, inclusive (the “Class Period”), of the important April 6, 2026 lead plaintiff deadline.

MREO DEADLINE TODAY: ROSEN, GLOBAL INVESTOR COUNSEL, Encourages Mereo BioPharma Group plc Investors to Secure Counsel Before Important April 6 Deadline in Securities Class Action – MREO

MREO DEADLINE ALERT: ROSEN, A LEADING NATIONAL FIRM, Encourages Mereo BioPharma Group plc Investors to Secure Counsel Before Important April 6 Deadline in Securities Class Action - MREO

New York, New York--(Newsfile Corp. - April 6, 2026) - WHY: Rosen Law Firm, a global investor rights law firm, reminds purchasers of American Depositary Shares ("ADS") of Mereo BioPharma Group plc (NASDAQ: MREO) between June 5, 2023 and December 26, 2025, inclusive (the "Class Period"), of the important April 6, 2026 lead plaintiff deadline. SO WHAT: If you purchased Mereo ADSs during the Class Period you may be entitled to compensation without payment of any out of pocket fees or costs through a contingency fee arrangement.

MREO DEADLINE ALERT: ROSEN, A LEADING NATIONAL FIRM, Encourages Mereo BioPharma Group plc Investors to Secure Counsel Before Important April 6 Deadline in Securities Class Action - MREO

MEREO LAWSUIT DEADLINE TODAY: Bragar Eagel & Squire, P.C. Urges Mereo BioPharma Stockholders with Large Losses to Contact the Firm Regarding Their Rights

Bragar Eagel & Squire, P.C. Litigation Partner Brandon Walker Encourages Investors Who Suffered Losses In Mereo (MREO) To Contact Him Directly To Discuss Their Options

MEREO LAWSUIT DEADLINE TODAY: Bragar Eagel & Squire, P.C. Urges Mereo BioPharma Stockholders with Large Losses to Contact the Firm Regarding Their Rights

MREO FINAL DEADLINE ALERT: Faruqi & Faruqi, LLP Reminds Mereo BioPharma (MREO) Investors of Securities Class Action Deadline on April 6, 2026

NEW YORK--(BUSINESS WIRE)---- $MREO #ClassAction--Faruqi & Faruqi, LLP, a leading national securities law firm, is investigating potential claims against Mereo BioPharma Group plc (“Mereo BioPharma” or the “Company”) (NASDAQ: MREO) and reminds investors of the April 6, 2026 deadline to seek the role of lead plaintiff in a federal securities class action that has been filed against the Company.Faruqi & Faruqi is a leading national securities law firm with offices in New York, Pennsylvania, California and Georgi.

MREO FINAL DEADLINE ALERT: Faruqi & Faruqi, LLP Reminds Mereo BioPharma (MREO) Investors of Securities Class Action Deadline on April 6, 2026

Mereo BioPharma Group plc Sued for Securities Law Violations - Contact the DJS Law Group to Discuss Your Rights - MREO

LOS ANGELES, April 6, 2026 /PRNewswire/ -- The DJS Law Group reminds investors of a class action lawsuit against Mereo BioPharma Group plc ("Mereo" or "the Company") (NASDAQ: MREO) for violations of §§10(b) and 20(a) of the Securities Exchange Act of 1934 and Rule 10b-5 promulgated thereunder by the U.S. Securities and Exchange Commission. Shareholders who purchased shares of MREO during the class period listed are encouraged to contact the firm regarding possible lead plaintiff appointments.

Mereo BioPharma Group plc Sued for Securities Law Violations - Contact the DJS Law Group to Discuss Your Rights - MREO

MREO Investors Have Opportunity to Lead Mereo BioPharma Group plc Securities Fraud Lawsuit with the Schall Law Firm

LOS ANGELES, April 6, 2026 /PRNewswire/ -- The Schall Law Firm, a national shareholder rights litigation firm, reminds investors of a class action lawsuit against Mereo BioPharma Group plc ("Mereo" or "the Company") (NASDAQ: MREO) for violations of §§10(b) and 20(a) of the Securities Exchange Act of 1934 and Rule 10b-5 promulgated thereunder by the U.S. Securities and Exchange Commission. Investors who purchased the Company's securities between June 5, 2023 and December 26, 2025, inclusive (the "Class Period"), are encouraged to contact the firm before April 6, 2026.

MREO Investors Have Opportunity to Lead Mereo BioPharma Group plc Securities Fraud Lawsuit with the Schall Law Firm

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