–Completed enrollment in Phase 3 ONWARD clinical trials for envudeucitinib in moderate-to-severe plaque psoriasis; topline readout expected in early Q1 2026–

–Completed enrollment in Phase 2b LUMUS clinical trial for envudeucitinib in systemic lupus erythematosus (SLE); topline readout expected in Q3 2026–

–Completed merger with ACELYRIN, Inc. to strengthen financial position and support advancement of late-stage immunology pipeline–

–Cash, cash equivalents and marketable securities of $486.3 million as of June 30, 2025 expected to fund operations into 2027–

SOUTH SAN FRANCISCO, Calif., Aug. 13, 2025 (GLOBE NEWSWIRE) -- Alumis Inc. (NASDAQ:ALMS), a clinical-stage biopharmaceutical company developing next-generation targeted therapies for patients with immune-mediated diseases, today reported financial results for the quarter ended June 30, 2025, and highlighted recent achievements and upcoming milestones.

"With patient enrollment now complete in the pivotal Phase 3 ONWARD program for plaque psoriasis and the Phase 2b LUMUS trial in SLE, Alumis has achieved key clinical milestones for envudeucitinib, or "envu" (formerly known as ESK-001), and we look forward to topline data from ONWARD expected in early Q1 2026, and LUMUS topline data expected to follow in Q3 2026," said Martin Babler, President and Chief Executive Officer of Alumis. "We continue to move forward on all fronts with momentum and a clear focus on advancing a differentiated pipeline of immune-mediated treatments. With the completion of our merger with ACELYRIN, we are well positioned to drive our programs through key inflection points in the next 12 months."

Second Quarter 2025 and Recent Highlights, and Anticipated Milestones

Envudeucitinib Progress

Pipeline Updates

Corporate Highlights

Second Quarter 2025 Financial Results

Financial Guidance

Upcoming Events

Alumis expects to participate in the following investor conferences in September 2025:

About Alumis

Alumis is a late-stage biopharma company developing next-generation targeted therapies with the potential to significantly improve patient health and outcomes across a range of immune-mediated diseases. Leveraging its proprietary data analytics platform and precision approach, Alumis is developing a pipeline of oral tyrosine kinase 2 inhibitors, consisting of envudeucitinib (or envu, formerly known as ESK-001) for the treatment of systemic immune-mediated disorders, such as moderate-to-severe plaque psoriasis and systemic lupus erythematosus, and A-005 for the treatment of neuroinflammatory and neurodegenerative diseases. In addition, the pipeline includes lonigutamab, a subcutaneously delivered anti–insulin-like growth factor 1 receptor therapy for the treatment of thyroid eye disease, as well as several preclinical programs identified through this precision approach. For more information, visit www.alumis.com or follow us on LinkedIn or X.

Forward-Looking Statements

This press release contains forward-looking statements within the meaning of federal securities laws, including the "safe harbor" provisions of the Private Securities Litigation Reform Act of 1995. These statements may be identified by words such as "aims," "anticipates," "believes," "could," "estimates," "expects," "forecasts," "goal," "intends," "may," "plans," "possible," "potential," "seeks," "will" and variations of these words or similar expressions that are intended to identify forward-looking statements. All statements, other than statements of historical facts, including without limitation those regarding the timing of Alumis' topline readouts in its Phase 3 ONWARD and Phase 2b LUMUS programs, the potential for envudeucitinib to treat moderate-to-severe plaque psoriasis and systemic lupus erythematosus, the timing of Alumis' evaluation of its lonigutamab program, any expectations regarding the safety, efficacy or tolerability of envudeucitinib and statements regarding Alumis' future plans and prospects, including development of its clinical pipeline; cash runway; Alumis' participation at upcoming conferences, and any assumptions underlying any of the foregoing, are forward-looking statements. Any forward-looking statements in this press release are based on Alumis' current expectations, estimates and projections only as of the date of this release and are subject to a number of risks and uncertainties that could cause actual results to differ materially and adversely from those set forth in or implied by such forward-looking statements. Readers are cautioned that actual results, levels of activity, safety, efficacy, performance or events and circumstances could differ materially from those expressed or implied in Alumis' forward-looking statements due to a variety of risks and uncertainties, which include, without limitation, risks and uncertainties related to Alumis' ability to advance envudeucitinib and to obtain regulatory approval of and ultimately commercialize Alumis' clinical candidates, the timing and results of preclinical and clinical trials, Alumis' ability to fund development activities and achieve development goals, Alumis' ability to protect its intellectual property and other risks and uncertainties described in Alumis' filings with the Securities and Exchange Commission (SEC), including any future reports Alumis may file with the SEC from time to time. Alumis explicitly disclaims any obligation to update any forward-looking statements except to the extent required by law.



ALUMIS INC.


CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS

(Unaudited)

  Three Months Ended June 30, Six Months Ended June 30,
(in thousands) 2025

 2024

 2025

 2024

Revenue:            
License revenue $—  $—  $17,389  $— 
Collaboration revenue  2,666   —   2,666   — 
Total revenue  2,666   —   20,055   — 
Operating expenses:            
Research and development expenses  108,755   48,565   205,377   90,526 
General and administrative expenses  34,450   7,575   56,745   13,207 
Total operating expenses  143,205   56,140   262,122   103,733 
Loss from operations  (140,539)  (56,140)  (242,067)  (103,733)
Other income (expense):            
Gain on bargain purchase  187,907   —   187,907   — 
Interest income  3,430   1,977   6,039   2,831 
Change in fair value of derivative liability  —   (2,311)  —   (5,406)
Other income (expenses), net  (38)  (34)  (82)  (49)
Total other income (expense), net  191,299   (368)  193,864   (2,624)
Net income (loss) before income taxes  50,760   (56,508)  (48,203)  (106,357)
Income tax benefit  8,561   —   8,561   — 
Net income (loss) $59,321  $(56,508) $(39,642) $(106,357)
Other comprehensive income (loss):            
Unrealized gain (loss) on marketable securities, net  30   —   (18)  (3)
Net income (loss) and other comprehensive income (loss) $59,351  $(56,508) $(39,660) $(106,360)



ALUMIS INC.

CONDENSED CONSOLIDATED BALANCE SHEETS

(Unaudited)

  June 30, December 31,
(in thousands) 2025

 2024

Assets      
Current assets:      
Cash and cash equivalents $151,753  $169,526 
Restricted cash  367   — 
Marketable securities  334,568   118,737 
Research and development prepaid expenses  7,009   13,424 
Other prepaid expenses and current assets  23,861   4,501 
Total current assets  517,558   306,188 
Restricted cash, non-current  1,382   1,106 
Property and equipment, net  20,328   20,968 
Intangible assets  50,959   — 
Operating lease right-of-use assets, net  18,223   12,723 
Other assets, non-current  2,475   7 
Total assets $610,925  $340,992 
Liabilities and Stockholders' Equity      
Current liabilities:      
Accounts payable $14,981  $9,624 
Research and development accrued expenses  43,731   29,149 
Other accrued expenses and current liabilities  22,805   10,580 
Operating lease liabilities, current  4,058   1,557 
Total current liabilities  85,575   50,910 
Operating lease liabilities, non-current  34,718   29,165 
Deferred revenue, non-current  2,611   — 
Deferred income tax liability  2,140   — 
Share repurchase liability  386   813 
Other liabilities, non-current  168   — 
Total liabilities  125,598   80,888 
Stockholders' equity:      
Preferred stock  —   — 
Common stock  10   5 
Additional paid-in capital  1,183,488   918,610 
Accumulated other comprehensive income (loss)  22   40 
Accumulated deficit  (698,193)  (658,551)
Total stockholders' equity  485,327   260,104 
Total liabilities and stockholders' equity $610,925  $340,992 


Alumis Contact Information

Teri Dahlman
Red House Communications
teri@redhousecomms.com

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