SEPN 8-K
Septerna, Inc. (SEPN)
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
FORM 8-K
CURRENT REPORT
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
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Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
Securities registered pursuant to Section 12(b) of the Act:
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Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).
Emerging growth company
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.
Item 2.02 Results of Operations and Financial Condition.
On August 11, 2025, Septerna, Inc. (the “Company”) announced its financial results and business highlights for the quarter ended June 30, 2025. A copy of the press release issued in connection with the announcement is being furnished as Exhibit 99.1 to this Current Report of Form 8-K.
The information included under Item 2.02 of this Current Report on Form 8-K, including Exhibit 99.1, is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, and shall not be incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such filing.
Item 9.01 Financial Statements and Exhibits.
(d) Exhibits
99.1 |
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Press Release issued by Septerna, Inc. on August 11, 2025, furnished herewith. |
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104 |
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Cover Page Interactive Data File (embedded within the Inline XBRL document) |
SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
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Septerna, Inc. |
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Date: |
August 11, 2025 |
By: |
/s/ Jeffrey Finer, M.D., Ph.D. |
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Jeffrey Finer, M.D., Ph.D. |

Exhibit 99.1
Septerna Highlights Business Progress and Reports Second Quarter 2025 Financial Results
Advancing Selection of Next-Generation Oral Small Molecule PTH1R Agonist for Clinical Development
Initiating Phase 1 Trial for SEP-631, MRGPRX2 NAM Program, for Mast Cell Diseases
Updated Cash Runway Expected to Support Operating Plans at Least into 2029
SOUTH SAN FRANCISCO, Calif. – August 11, 2025 – Septerna, Inc. (Nasdaq: SEPN), a biotechnology company pioneering a new era of G protein-coupled receptor (GPCR) drug discovery, today highlighted key business updates and upcoming milestones and reported financial results for the second quarter ended June 30, 2025.
“We are executing effectively across our portfolio, with each program nearing important milestones,” said Jeffrey Finer, M.D., Ph.D., chief executive officer and co-founder of Septerna. “Our next-generation PTH1R agonist program for hypoparathyroidism is progressing through preclinical studies as we work toward selecting a development candidate in the third quarter with plans to start a Phase 1 clinical trial in the first half of 2026. In the near term, we are excited to initiate first-in-human studies for SEP-631, our oral small molecule in development for mast cell-driven diseases. With our robust financial position, bolstered by our collaboration with Novo Nordisk which became effective in July, and our strong R&D capabilities, we believe we are well positioned to pursue multiple programs towards our goal of delivering innovative oral small molecule therapies that can meaningfully improve patient outcomes.”
Corporate Overview and Anticipated Milestones
Collaboration Agreement with Novo Nordisk
Business Highlights

“Liz has been an exceptional leader at Septerna from day one, playing a pivotal role in driving the growth of both our company and our pipeline,” added Dr. Finer. “Among many accomplishments, her leadership was instrumental in securing our multi-billion-dollar strategic partnership with Novo Nordisk, guiding Septerna through a successful upsized and oversubscribed IPO in 2024, and building out key functions across the business. On behalf of the entire organization and the Board, I want to congratulate Liz on this well-earned promotion.”
Second Quarter 2025 Financial Results
About Septerna
Septerna, Inc. is a biotechnology company pioneering a new era of GPCR drug discovery powered by its proprietary Native Complex Platform™. Its industrial-scale platform aims to unlock the full potential of GPCR therapies and has led to the discovery and development of its deep pipeline of oral small molecule product candidates focused initially on treating patients in three therapeutic areas: endocrinology, immunology and inflammation, and metabolic diseases. Septerna was launched by preeminent drug discovery company builders and scientific leaders in the biochemistry, structural biology, and pharmacology of GPCRs. For more information, please visit www.septerna.com.
Forward-Looking Statements
This press release contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995, as amended, including, without limitation, implied and express statements about Septerna’s beliefs and expectations regarding: the continued advancement of Septerna’s PTH1R agonist program, including the anticipated timing for the selection of a next-generation PTH1R agonist development candidate in the third quarter of 2025 and the planned initiation of a Phase 1 clinical trial in the first half of 2026, subject to successful completion of preclinical activities; the continued development and advancement of its oral small molecule GPCR-targeted programs, including its expectations regarding the Phase 1 clinical trial initiation of SEP-631 in the third quarter of 2025; its ability to demonstrate, and the timing of, preclinical proof-of-concept in vivo and ex vivo for multiple programs; its ability to advance any product candidates that it may identify and successfully complete any clinical studies; the initiation, timing, progress, and results of conducting its research and development programs, including its plans to advance multiple lead TSHR NAM program compounds toward development candidate selection; the potential of its proprietary Native Complex Platform™; the intended and potential benefits of the collaboration with Novo Nordisk, including its ability to jointly discover, develop and commercialize multiple potential oral small molecule therapies for obesity, type 2 diabetes, and other cardiometabolic diseases; its expectations regarding the implementation of its business model, strategic plans for its business, product candidates, and technology, and the accuracy of its estimates regarding expenses and capital requirements, including its expected cash runway at least into 2029. The words “anticipate,” “believe,” “continue,” “could,” “estimate,” “expect,” “intend,” “may,” “might,” “objective,” “ongoing,” “plan,” “predict,” “project,” “potential,” “should,” or “would,” or the negative of these terms, or other comparable terminology are intended to identify forward-looking statements, although not all forward looking statements contain these identifying words.
Any forward-looking statements in this press release are based on management’s current expectations and beliefs and are subject to a number of risks, uncertainties and important factors that may cause actual events or results to differ materially from those expressed or implied by any forward-looking statements contained in this press release, including, without limitation, risks associated with: uncertainties related to achieving the future potential research, development, and commercial milestones under the Novo Nordisk collaboration; uncertainties related to Septerna’s product candidates entering clinical trials; the authorization, initiation, and successful completion of preclinical and Investigational New Drug (IND)-enabling studies to support future clinical development of potential product candidates (including those for the PTH1R program), including uncertainties related to opening INDs and obtaining regulatory approvals; risks related to clinical development outcomes including unexpected safety or efficacy findings; the results of preclinical studies, or clinical studies not being predictive of future results in connection with future studies; the scope of protection Septerna is able to establish and maintain for intellectual property rights covering its Native Complex Platform™ and its product candidates; Septerna’s ability to identify and enter into future license agreements and collaborations; and general economic, industry and market conditions. These and other risks and uncertainties are described in greater detail in the section entitled “Risk Factors” in Septerna’s Annual Report on Form 10-K for the year ended December 31, 2024, as well as any subsequent filings with the Securities and Exchange Commission. In addition, any forward-looking statements represent Septerna’s views only as of today and should not be relied upon as representing its views as of any subsequent date. Septerna explicitly disclaims any obligation to update any forward-looking statements

subject to any obligations under applicable law. No representations or warranties (expressed or implied) are made about the accuracy of any such forward-looking statements.
Investor Contact:
Renee Leck, THRUST
Media Contact:
Carly Scaduto

SEPTERNA, INC.
Condensed Statements of Operations
(In thousands, except for share and per share data)
(Unaudited)
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Three Months Ended June 30, |
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Six Months Ended June 30, |
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2025 |
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2024 |
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2025 |
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2024 |
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Revenue |
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$ |
119 |
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$ |
370 |
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$ |
338 |
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$ |
687 |
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Operating expenses: |
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Research and development |
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22,188 |
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15,035 |
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41,459 |
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28,188 |
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General and administrative |
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6,909 |
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3,400 |
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13,767 |
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6,054 |
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Total operating expenses |
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29,097 |
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18,435 |
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55,226 |
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34,242 |
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Loss from operations |
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(28,978 |
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(18,065 |
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(54,888 |
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(33,555 |
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Interest and other income, net |
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4,140 |
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1,515 |
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8,574 |
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2,746 |
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Benefit for income taxes |
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— |
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109 |
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— |
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202 |
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Net loss attributable to common stockholders |
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$ |
(24,838 |
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$ |
(16,441 |
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$ |
(46,314 |
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$ |
(30,607 |
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Net loss per share attributable to common stockholders, basic and diluted |
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$ |
(0.56 |
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$ |
(7.03 |
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$ |
(1.05 |
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$ |
(13.40 |
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Weighted-average shares outstanding, basic and diluted |
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44,165,168 |
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2,337,585 |
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44,051,918 |
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2,284,414 |
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Condensed Balance Sheets
(In thousands)
(Unaudited)
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June 30, |
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December 31, |
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Cash, cash equivalents and marketable securities |
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$ |
379,194 |
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$ |
420,789 |
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Working capital (1) |
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319,014 |
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343,975 |
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Total assets |
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415,231 |
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456,554 |
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Total liabilities |
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37,674 |
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36,507 |
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Additional paid-in capital |
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542,024 |
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538,321 |
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Accumulated deficit |
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(164,688 |
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(118,374 |
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Total stockholders’ equity |
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377,557 |
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420,047 |
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