MYQORZO® Approved for Adults with Symptomatic Obstructive HCM in U.S., China and Europe; 
U.S. Launch Underway with First Prescriptions Dispensed within Days of Drug Availability

Supplemental NDA for MAPLE-HCM Submitted to FDA in Q1 2026

Expect to Share Topline Results from ACACIA-HCM in Q2 2026

Company Provides 2026 Financial Guidance;
~$1.2 Billion in Cash, Cash Equivalents and Investments as of December 31, 2025

SOUTH SAN FRANCISCO, Calif., Feb. 24, 2026 (GLOBE NEWSWIRE) -- Cytokinetics, Incorporated (Nasdaq: CYTK) reported a management update and financial results for the fourth quarter and full year of 2025. The company also provided full year 2026 financial guidance.

“The fourth quarter of 2025 marked a defining moment for Cytokinetics with the FDA approval of MYQORZO and our transition into a commercial-stage company,” said Robert I. Blum, Cytokinetics’ President and Chief Executive Officer. “With the U.S. launch of MYQORZO now underway and our first European launch planned in Germany in Q2, we’re entering 2026 with strong momentum. Early prescribing activity and initial customer feedback reinforce that our differentiated label and REMS are resonating with HCPs and patients. We took measures in 2025 to fortify our balance sheet to support our commercial plans and continue with potential label-expanding opportunities in HCM and ongoing clinical trials in heart failure. We are well-positioned to deliver for patients, advance our pipeline, and create long-term value.”

Q4 and Recent Highlights

Cardiac Muscle Programs

MYQORZO™ ( aficamten ) (cardiac myosin inhibitor)

omecamtiv mecarbil (cardiac myosin activator)

ulacamten (cardiac myosin inhibitor)

Pre-Clinical Development and Ongoing Research

Corporate

Expected 2026 Corporate Milestones

Cardiac Muscle Programs

MYQORZO® ( aficamten ) (cardiac myosin inhibitor)

omecamtiv mecarbil (cardiac myosin activator)

ulacamten (cardiac myosin inhibitor)

Ongoing research

Fourth Quarter and Full Year 2025 Financial Results

Cash Equivalents and Investments

Revenues

Research and Development (R&D) Expenses

General and Administrative (G&A) Expenses

Net Income (Loss)

2026 Financial Guidance

The company today announced financial guidance for 2026:

GAAP Combined R&D and SG&A Expense* $830 million to $870 million
Non-cash stock-based compensation expense included in GAAP Combined R&D and SG&A Expense $130 million to $120 million


*GAAP Combined R&D and SG&A expense does not include 1) collaboration expenses which can include reimbursed expenses and cost of inventory sales of aficamten to partners, 2) potential costs related to commercialization of aficamten in nHCM, and 3) the effect of GAAP adjustments as may be caused by events that occur subsequent to publication of this guidance including, but not limited to, Business Development activities.

Conference Call and Webcast Information

Members of Cytokinetics’ senior management team will review the company’s fourth quarter 2025 results on a conference call today at 4:30 PM Eastern Time. The conference call will be simultaneously webcast and can be accessed from the Investors & Media section of Cytokinetics’ website at www.cytokinetics.com or directly at the following link: Cytokinetics Q4 2025 Earnings Conference Call. An archived replay of the webcast will be available via Cytokinetics’ website for six months.

About Cytokinetics

Cytokinetics is a specialty cardiovascular biopharmaceutical company, building on its over 25 years of pioneering scientific innovations in muscle biology, and advancing a pipeline of potential new medicines for patients suffering from diseases of cardiac muscle dysfunction. Cytokinetics’ MYQORZO™ (aficamten) is a cardiac myosin inhibitor approved in the U.S., Europe and China for the treatment of adults with symptomatic obstructive hypertrophic cardiomyopathy (oHCM). Aficamten is also being studied for the potential treatment of non-obstructive HCM. Cytokinetics is also developing omecamtiv mecarbil, an investigational cardiac myosin activator for the potential treatment of patients with heart failure with severely reduced ejection fraction and ulacamten, an investigational cardiac myosin inhibitor for the potential treatment of heart failure with preserved ejection fraction, while continuing pre-clinical research and development in muscle biology.

For additional information about Cytokinetics, visit www.cytokinetics.com and follow us on X, LinkedIn, Facebook and YouTube.

Disclaimer 

Omecamtiv mecarbil and ulacamten are investigational medicines. They have not been approved nor determined to be safe or efficacious for any disease state or any indication by FDA or any other regulatory agency.

Forward-Looking Statements

This press release contains forward-looking statements for purposes of the Private Securities Litigation Reform Act of 1995 (the “Act”). Cytokinetics claims the protection of the Act’s Safe Harbor for forward-looking statements. Examples of such statements include, but not limited to, statements, express or implied, relating to our ability to launch MYQORZO in Germany in 2Q of 2026, our receipt of regulatory approval for our sNDA for MAPLE-HCM in Q4 of 2026, our or our partners’ research and development and commercial readiness activities, including the initiation, conduct, design, enrollment, progress, continuation, completion, timing and results of any of our clinical trials, or more specifically, our ability to complete enrollment of CEDAR-HCM and AMBER-HFpEF by any target date, our ability to complete patient enrollment of COMET-HF by any target date, our ability to announce the results of ACACIA-HCM in of the second quarter of 2026, our ability to announce the results of any of our clinical trials by any particular date, the timing of interactions with FDA or any other regulatory authorities in connection to any of our drug candidates and the outcomes of such interactions; statements relating to the potential patient population who could benefit from aficamten, omecamtiv mecarbil, ulacamten, CK-089 or any of our other drug candidates; statements relating to our ability to receive additional capital or other funding, including, but not limited to, our ability to meet any of the conditions relating to or to otherwise secure additional loan disbursements under any of our agreements with entities affiliated with Royalty Pharma or additional milestone payments from Sanofi or Bayer in connection with our collaborations for aficamten in China or Japan respectively; statements relating to our operating expenses or cash utilization for the remainder of 2025 or any other period, and statements relating to our cash balance at any particular date or the amount of cash runway such cash balances represent at any particular time. Such statements are based on management's current expectations, but actual results may differ materially due to various risks and uncertainties, including, but not limited to Cytokinetics’ need for additional funding and such additional funding may not be available on acceptable terms, if at all; potential difficulties or delays in the development, testing, regulatory approvals for trial commencement, progression or product sale or manufacturing, or production of Cytokinetics’ drug candidates that could slow or prevent clinical development or product approval; patient enrollment for or conduct of clinical trials may be difficult or delayed; the FDA or foreign regulatory agencies may delay or limit Cytokinetics’ or its partners’ ability to conduct clinical trials; Cytokinetics may incur unanticipated research and development and other costs; standards of care may change, rendering Cytokinetics’ drug candidates obsolete; and competitive products or alternative therapies may be developed by others for the treatment of indications Cytokinetics’ drug candidates and potential drug candidates may target. For further information regarding these and other risks related to Cytokinetics’ business, investors should consult Cytokinetics’ filings with the Securities and Exchange Commission, particularly under the caption “Risk Factors” in Cytokinetics’ Quarterly Report on Form 10-Q for the quarter ended September 30, 2025. Forward-looking statements are not guarantees of future performance, and Cytokinetics’ actual results of operations, financial condition and liquidity, and the development of the industry in which it operates, may differ materially from the forward-looking statements contained in this press release. Any forward-looking statements that Cytokinetics makes in this press release speak only as of the date of this press release. Cytokinetics assumes no obligation to update its forward-looking statements whether as a result of new information, future events or otherwise, after the date of this press release.

CYTOKINETICS® and the CYTOKINETICS C-shaped logo are registered trademarks of Cytokinetics in the U.S. and certain other countries.

MYQORZOTM is a trademark of Cytokinetics in the U.S., and a registered trademark in the European Union.

MYQORZO & You TM is a trademark of Cytokinetics in the U.S.

Contact:
Cytokinetics
Diane Weiser
Senior Vice President, Corporate Affairs
(415) 290-7757

 
Cytokinetics, Incorporated
Condensed Consolidated Balance Sheets
(in thousands)
         
         
    December 31, 2025   December 31, 2024
    (unaudited)    
ASSETS        
Current assets:        
Cash and short-term investments   $ 882,221     $ 1,076,014  
Other current assets     34,754       31,926  
Total current assets     916,975       1,107,940  
Long-term investments     335,048       145,055  
Property and equipment, net     79,194       65,815  
Operating lease right-of-use assets     75,979       75,158  
Other assets     17,341       7,705  
Total assets   $ 1,424,537     $ 1,401,673  
LIABILITIES AND STOCKHOLDERS’ DEFICIT        
Current liabilities:        
Accounts payable and accrued liabilities   $ 105,615     $ 75,692  
Short-term operating lease liabilities     19,111       18,978  
Current portion of convertible and long-term debt     41,181       11,520  
Derivative liabilities measured at fair value     31,100       11,300  
Deferred revenue     1,612       52,370  
Other current liabilities     3,833       9,814  
Total current liabilities     202,452       179,674  
Term loan, net     246,384       93,227  
Convertible notes, net     869,597       552,370  
Liabilities related to revenue participation right purchase agreements, net     520,559       462,192  
Long-term operating lease liabilities     107,970       112,582  
Liabilities related to RPI Transactions measured at fair value     137,200       137,000  
Total liabilities     2,084,162       1,537,045  
Commitments and contingencies        
Stockholders' deficit        
Common stock     123       118  
Additional paid-in capital     2,826,341       2,563,876  
Accumulated other comprehensive income     630       2,398  
Accumulated deficit     (3,486,719 )     (2,701,764 )
Total stockholders' deficit     (659,625 )     (135,372 )
Total liabilities and stockholders' deficit   $ 1,424,537     $ 1,401,673  


Cytokinetics, Incorporated  
Condensed Consolidated Statements of Operations  
(in thousands except per share data)  
(unaudited)  
                 
    Three Months Ended December 31,   Years Ended December 31,
    2025
  2024
  2025
  2024
Revenues:                
Collaboration revenues   $ 2,755     $ 1,927     $ 8,686     $ 3,474  
License and milestone revenues     15,000       15,000       79,353       15,000  
Total revenues     17,755       16,927       88,039       18,474  
Operating expenses:                
Research and development     104,398       93,629       416,026       339,408  
General and administrative     91,723       62,338       284,271       215,314  
Total operating expenses     196,121       155,967       700,297       554,722  
Operating loss     (178,366 )     (139,040 )     (612,258 )     (536,248 )
Interest expense     (14,274 )     (8,938 )     (45,579 )     (37,701 )
Non-cash interest expense on liabilities related to revenue participation right purchase agreements     (16,061 )     (13,656 )     (58,289 )     (48,811 )
Interest and other income, net     11,470       15,014       48,420       51,534  
Change in fair value of derivative liabilities     900       1,200       4,200       1,300  
Change in fair value of liabilities related to RPI Transactions     13,300       (4,600 )     (200 )     (19,600 )
Debt conversion expense                 (121,249 )      
Net loss   $ (183,031 )   $ (150,020 )   $ (784,955 )   $ (589,526 )
Net loss per share — basic and diluted   $ (1.50 )   $ (1.26 )   $ (6.54 )   $ (5.26 )
Weighted-average shares in net loss per share — basic and diluted     122,434       118,075       120,103       111,979  



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