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Nautilus Biotechnology Reports Third Quarter 2025 Financial Results

SEATTLE, Oct. 28, 2025 (GLOBE NEWSWIRE) -- Nautilus Biotechnology, Inc. (NASDAQ: NAUT; or “Nautilus”), a company pioneering a single-molecule proteome analysis platform, today reported financial results for the third quarter ended September 30, 2025.

Third Quarter 2025 Business Highlights

  • Continued progress was made in processing Tau proteoform samples from collaborators in support of our goals of product validation and growing our publications. We expect to share this data at the upcoming World HUPO conference.
  • Further progress was made in the development of a new broadscale assay format, which is intended to support our forthcoming commercial launch in late 2026.
  • We expect to launch our early access program with Tau proteoforms in the first half of 2026.

“In Q3, Nautilus maintained disciplined execution and delivered meaningful progress across our platform, strategic collaborations, and operational initiatives—all aligned with our path toward commercialization in late 2026,” said Sujal Patel, CEO of Nautilus Biotechnology. “Our near-term focus is on the successful launch of our early access program, beginning with Tau proteoforms in the first half of 2026 and expanding to broadscale capabilities later in the year. These milestones are critical steps toward enabling customers to experience the value of our technology and advancing toward full commercial availability.”

Third Quarter 2025 Financial Results

Operating expenses were $15.5 million for the third quarter of 2025, a 19% decrease compared to $19.1 million for the corresponding prior year period. The decrease in operating expenses is attributable to operating efficiencies, lower development-related costs, and decreased salaries, related benefits and stock-based compensation.

Net loss was $13.6 million for the third quarter of 2025, as compared to the net loss of $16.4 million for the corresponding prior year period.

Cash, cash equivalents, and investments were $168.5 million as of September 30, 2025.

Webcast and Conference Call Information

Nautilus will host a conference call to discuss the third quarter 2025 financial results, business developments and outlook before market open on Tuesday, October 28, 2025, at 5:30 AM Pacific Time / 8:30 AM Eastern Time. Live audio of the webcast will be available on the “Investors” section of the company website at: www.nautilus.bio.

About Nautilus Biotechnology, Inc.

With its corporate headquarters in Seattle, Washington and its research and development headquarters in San Carlos, California, Nautilus is a development stage life sciences company working to create a platform technology for quantifying and unlocking the complexity of the proteome. Nautilus’ mission is to transform the field of proteomics by democratizing access to the proteome and enabling fundamental advancements across human health and medicine. To learn more about Nautilus, visit www.nautilus.bio

Special Note Regarding Forward-Looking Statements

This press release contains forward-looking statements within the meaning of federal securities laws. Forward-looking statements in this press release include, but are not limited to, statements regarding Nautilus’ expectations regarding the company’s business operations, financial performance and results of operations; expectations regarding operating expenses and cash runway; expectations with respect to any revenue timing or projections; expectations with respect to the development required for and the timing of the launch of Nautilus’ product platform and full commercial availability; the functionality and performance of Nautilus’ product platform, its potential impact on providing proteome or proteoform access, pharmaceutical development and drug discovery, expanding research horizons, and enabling scientific explorations and discovery; expectations regarding platform specifications required by potential customers and partners and the timeline for adoption of Nautilus’ platform by researchers; and the present and future capabilities and limitations of emerging proteomics technologies. These statements are based on numerous assumptions concerning the development of Nautilus’ products, target markets, and other current and emerging proteomics technologies, and involve substantial risks, uncertainties and other factors that may cause actual results to be materially different from the information expressed or implied by these forward-looking statements. Risks and uncertainties that could materially affect the accuracy of Nautilus’ assumptions and its ability to achieve the forward-looking statements set forth in this press release include (without limitation) the following: Nautilus’ product platform is not yet commercially available and remains subject to significant scientific and technical development, which is inherently challenging and difficult to predict, particularly with respect to highly novel and complex products such as those being developed by Nautilus. Even if our development efforts are successful, our product platform will require substantial validation of its functionality and utility in life science research. In the course of Nautilus’ scientific and technical development and associated product validation and commercialization, we may experience material delays as a result of unanticipated events. We cannot provide any guarantee or assurance with respect to the outcome of our development, collaboration, and commercialization initiatives or with respect to their associated timelines. For a more detailed description of additional risks and uncertainties facing Nautilus and its development efforts, investors should refer to the information under the caption “Risk Factors” in our Annual Report on Form 10-K as well as in our Quarterly Report on Form 10-Q to be filed for the quarter ended September 30, 2025 and our other filings with the SEC. The forward-looking statements in this press release are as of the date of this press release. Except as otherwise required by applicable law, Nautilus disclaims any duty to update any forward-looking statements. You should, therefore, not rely on these forward-looking statements as representing our views as of any date subsequent to the date of this press release.

Disclosure Information

Nautilus uses filings with the Securities and Exchange Commission, its website (www.nautilus.bio), press releases, public conference calls, public webcasts, and its social media accounts as means of disclosing material non-public information and for complying with Regulation FD. Therefore, Nautilus encourages investors, the media, and others interested in Nautilus to review the information it makes public in these locations, as such information could be deemed to be material information.

Media Contact
press@nautilus.bio

Investor Contact
investorrelations@nautilus.bio


Nautilus Biotechnology, Inc.
Condensed Consolidated Balance Sheets
As of September 30, 2025 and December 31, 2024 (Unaudited)
(in thousands)   September 30, 2025   December 31, 2024
Assets        
Current assets:        
Cash and cash equivalents   $ 23,875     $ 27,646  
Short-term investments     107,552       102,247  
Prepaid expenses and other current assets     2,898       2,933  
Total current assets     134,325       132,826  
Property and equipment, net     3,624       4,076  
Operating lease right-of-use assets     24,727       28,256  
Long-term investments     37,059       76,405  
Other long-term assets     1,180       1,180  
Total assets   $ 200,915     $ 242,743  
Liabilities and Stockholders' Equity        
Current liabilities:        
Accounts payable   $ 893     $ 987  
Accrued expenses and other liabilities     3,880       2,548  
Current portion of operating lease liabilities     4,209       4,097  
Total current liabilities     8,982       7,632  
Operating lease liabilities, net of current portion     22,794       26,381  
Total liabilities     31,776       34,013  
         
Stockholders' equity:        
Preferred stock            
Common stock     13       13  
Additional paid-in capital     487,165       481,679  
Accumulated other comprehensive income     200       57  
Accumulated deficit     (318,239 )     (273,019 )
Total stockholders’ equity     169,139       208,730  
Total liabilities and stockholders' equity   $ 200,915     $ 242,743  
                 


Nautilus Biotechnology, Inc.
Condensed Consolidated Statements of Operations
Three and Nine Months Ended September 30, 2025 and 2024 (Unaudited)
    Three Months Ended September 30,   Nine Months Ended September 30,
(in thousands, except share and per share data)     2025       2024       2025       2024  
                 
Research and development   $ 9,605     $ 12,288     $ 31,535     $ 37,654  
General and administrative     5,867       6,812       19,878       23,842  
Total operating expenses     15,472       19,100       51,413       61,496  
Other income (expense):                
Interest income     1,903       2,674       6,214       8,349  
Other expense     (5 )     (20 )     (21 )     (39 )
Total other income   $ 1,898     $ 2,654     $ 6,193     $ 8,310  
Net loss   $ (13,574 )   $ (16,446 )   $ (45,220 )   $ (53,186 )
Net loss per share attributable to common stockholders, basic and diluted   $ (0.11 )   $ (0.13 )   $ (0.36 )   $ (0.42 )
Weighted-average shares used in computing net                                
loss per share attributable to common stockholders, basic and diluted     126,305,122       125,452,572       126,218,587       125,302,440  
                                 


Nautilus Biotechnology, Inc.
Condensed Consolidated Statements of Operations
Three and Nine Months Ended September 30, 2025 and 2024 (Unaudited)

    Nine Months Ended September 30,
(in thousands)     2025       2024  
Cash flows from operating activities        
Net loss   $ (45,220 )   $ (53,186 )
Adjustments to reconcile net loss to net cash used in operating activities        
Stock-based compensation expense     5,373       9,577  
Amortization of operating lease right-of-use assets     3,529       3,257  
Depreciation     1,348       1,543  
Amortization (accretion) of premium (discount) on securities, net     (1,286 )     (2,176 )
Changes in operating assets and liabilities:        
Prepaid expenses and other assets     149       (26 )
Accounts payable     (71 )     (35 )
Accrued expenses and other liabilities     1,332       (729 )
Operating lease liabilities     (3,475 )     (3,061 )
Net cash used in operating activities     (38,321 )     (44,836 )
Cash flows from investing activities        
Proceeds from maturities of securities     74,241       90,410  
Purchases of securities     (38,771 )     (59,398 )
Purchases of property and equipment     (1,033 )     (1,868 )
Net cash provided by investing activities     34,437       29,144  
Cash flows from financing activities        
Proceeds from exercise of stock options     26       415  
Proceeds from issuance of common stock under employee stock purchase plan     87       289  
Net cash provided by financing activities     113       704  
Net decrease in cash, cash equivalents and restricted cash     (3,771 )     (14,988 )
         
Cash, cash equivalents and restricted cash at beginning of period     28,648       20,399  
Cash, cash equivalents and restricted cash at end of period   $ 24,877     $ 5,411  



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