OKUR 8-K
OnKure Therapeutics, Inc. (OKUR)
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 12, 2025, OnKure Therapeutics, Inc. issued a press release reporting financial results for the quarter ended June 30, 2025.
The press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.
All of the information furnished in this Item 2.02 and Item 9.01 (including Exhibit 99.1) of this report shall not be deemed to be “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, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.
Item 9.01 Financial Statements and Exhibits.
(d) Exhibits.
Exhibit No. |
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Description |
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99.1 |
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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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ONKURE THERAPEUTICS, INC. |
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Date: |
August 12, 2025 |
By: |
/s/ Jason Leverone |
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Name: Jason Leverone |
Exhibit 99.1
OnKure Therapeutics Reports Second Quarter 2025 Financial Results and Provides a Business Update
-- PIKture-01, a phase 1 clinical trial assessing OKI-219 in patients with advanced solid tumors, including breast cancer, is on track for single agent and fulvestrant combination data in Q4 2025
-- Initiated a new expansion arm of PIKture-01 to evaluate OKI-219 in combination with fulvestrant and ribociclib in HR+ metastatic breast cancer
-- Initiated a new expansion arm of PIKture-01 to evaluate OKI-219 in combination with trastuzumab and tucatinib in HER2+ metastatic breast cancer
-- Cash position of $83.4M expected to provide cash runway into Q4 2026
BOULDER, CO, August 12, 2025 -- OnKure Therapeutics, Inc. (Nasdaq: OKUR), a clinical-stage biopharmaceutical company focused on developing novel precision medicines in oncology, today reported financial results for the second quarter ended June 30, 2025 and provided a business update.
“We are encouraged by the continued progress in the development of our lead asset, OKI-219, as we have completed the enrollment of the single agent and the fulvestrant combination arms and have initiated two new triplet arms. Given the clinical performance of OKI-219 to date, we are eager to move broad and deep in both HR+ and HER2+ breast cancer with OKI-219,” said Nick Saccomano, Ph.D., President and Chief Executive Officer of OnKure.
“We believe OKI-219 has the potential to become an important medicine in the first-line hormone receptor positive setting and have initiated an arm to evaluate OKI-219 in combination with fulvestrant and ribociclib in PI3KaH1047R mutated, metastatic HR+ breast cancer. We also see an opportunity for OKI-219 in HER2+ breast cancer and have initiated an arm to evaluate OKI-219 in combination with trastuzumab and tucatinib. We look forward to sharing OKI-219 monotherapy and fulvestrant combination data as well as announcing the expansion of our PI3Kafranchise with the nomination of a pan-mutant selective PI3Ka inhibitor later this year."
PI3KaPortfolio Progress

Upcoming Investor Conferences
OnKure’s President and Chief Executive Officer, Nicholas Saccomano, Ph.D., will participate in a fireside chat at the upcoming Cantor Global Healthcare investor conference taking place in New York on September 3, 2025, at 3:20 P.M.ET. A live audio webcast can be accessed under “News & Events” on the Investor section of OnKure’s website at onkure.com. Following the event, a replay will be available for at least 90 days.
Second Quarter 2025 Financial Results
About OnKure Therapeutics
OnKure Therapeutics, Inc. (Nasdaq: OKUR) is a clinical-stage biopharmaceutical company focused on the discovery and development of best-in-class precision medicines that target biologically validated drivers of cancers that are underserved by available therapies. Using a structure-based drug design platform, OnKure is building a pipeline of tumor-agnostic candidates that are designed to achieve optimal efficacy

and tolerability. OnKure is currently developing OKI-219, a selective PI3KαH1047R inhibitor, as its lead program. OnKure aims to become a leader in targeting oncogenic PI3Kα and has multiple programs designed to enable best-in-class targeting of this key oncogene.
For more information about OnKure, visit us at www.onkure.com and follow us on LinkedIn.
Cautionary Note Regarding Forward-Looking Statements
This press release contains forward-looking statements that involve substantial risks and uncertainties. All statements other than statements of historical facts contained in this press release, including statements regarding our future financial condition, results of operations, business strategy and plans, and objectives of management for future operations, as well as statements regarding industry trends, are forward-looking statements. Such forward-looking statements include, among other things, statements regarding the potential of, and expectations regarding, OnKure’s current and potential future product candidates and programs, including OKI-219 and the pan-mutant program; OnKure’s ability to advance additional programs; expected milestones and timing of such milestones, including additional data for OKI-219 from the PIKture-01 trial and an anticipated development candidate announcement; and statements regarding OnKure’s cash runway. In some cases, you can identify forward-looking statements by terminology such as “estimate”, “intend”, “expect”, “may”, “plan”, “potentially”, “will” or the negative of these terms or other similar expressions.
We based these forward-looking statements largely on our current expectations and projections about future events and trends that we believe may affect our financial condition, results of operations, business strategy and financial needs. These forward-looking statements are subject to a number of risks, uncertainties and assumptions, including, among other things, OnKure’s limited operating history; the significant net losses incurred since inception; the ability to raise additional capital to finance operations; the risk that actual uses of cash and cash equivalents differ from the assumptions underlying our expected cash runway; the ability to advance product candidates through preclinical and clinical development; the ability to obtain regulatory approval for, and ultimately commercialize, OnKure’s product candidates; the outcome of preclinical testing and early clinical trials for OnKure’s product candidates, including the ability of those trials to satisfy relevant governmental or regulatory requirements, timing of regulatory reviews and approvals, and the potential that the outcome of preclinical testing and early clinical trials may not be predictive of the success of later clinical trials; OnKure’s limited resources; the risk of adverse events, toxicities or other undesirable side effects; potential delays or difficulties in the enrollment or maintenance of patients in clinical trials; the decision to develop or seek strategic collaborations to develop OnKure’s current or future product candidates in combination with other therapies and the cost of combination therapies; OnKure’s limited experience in designing clinical trials and lack of experience in conducting clinical trials; the substantial competition OnKure faces in discovering, developing, or commercializing products; OnKure’s ability to protect its intellectual property and proprietary technologies; developments relating to OnKure’s competitors and its industry, including competing product candidates and therapies; reliance on third parties, contract manufacturers, and contract research organizations; legislative, regulatory, political and economic developments and general market conditions; and those risks described in the section entitled “Risk Factors” in documents that OnKure files from time to time with the Securities and Exchange Commission (“SEC”), including our Quarterly Report on Form 10-Q filed with the SEC on August 12, 2025 and any

subsequent filings with the SEC. These risks are not exhaustive. New risk factors emerge from time to time, and it is not possible for our management to predict all risk factors, nor can we assess the impact of all factors on our business or the extent to which any factor, or combination of factors, may cause actual results to differ materially from those contained in, or implied by, any forward-looking statements. You should not rely upon forward-looking statements as predictions of future events. Although we believe that the expectations reflected in the forward-looking statements are reasonable, we cannot guarantee future results, levels of activity, performance or achievements. Except as required by law, we undertake no obligation to update publicly any forward-looking statements for any reason after the date of this press release.
Contact:
Dan Ferry
LifeSci Advisors

ONKURE THERAPEUTICS, INC.
Condensed Consolidated Balance Sheets
(in thousands, unaudited)
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June 30, |
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December 31, |
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Assets |
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Current assets: |
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Cash and cash equivalents |
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$ |
83,374 |
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$ |
110,761 |
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Prepaid expenses and other current assets |
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1,178 |
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2,242 |
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Total current assets |
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84,552 |
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113,003 |
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Property and equipment, net |
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821 |
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1,025 |
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Operating lease, right-of-use asset |
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581 |
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770 |
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Other assets |
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116 |
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109 |
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Total assets |
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$ |
86,070 |
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$ |
114,907 |
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Liabilities and Stockholders’ Equity |
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Current liabilities: |
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Accounts payable, accrued expenses, and other liabilities |
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$ |
7,041 |
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$ |
9,994 |
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Operating lease liabilities, current portion |
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556 |
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536 |
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Total current liabilities |
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7,597 |
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10,530 |
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Long-term liabilities |
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307 |
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549 |
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Total liabilities |
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7,904 |
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11,079 |
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Stockholders’ equity |
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78,166 |
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103,828 |
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Total liabilities and stockholders’ equity |
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$ |
86,070 |
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$ |
114,907 |
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ONKURE THERAPEUTICS, INC.
Condensed Consolidated Statements of Operations and Comprehensive Loss
(in thousands, except share and per share amounts, unaudited)
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Three Months Ended |
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Six Months Ended |
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June 30, |
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June 30, |
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2025 |
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2024 |
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2025 |
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2024 |
Operating expenses: |
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Research and development |
$ 12,613 |
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$ 10,752 |
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$ 25,625 |
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$ 19,318 |
General and administrative |
3,711 |
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3,591 |
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7,699 |
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4,857 |
Total operating expenses |
16,324 |
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14,343 |
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33,324 |
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24,175 |
Loss from operations |
(16,324) |
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(14,343) |
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(33,324) |
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(24,175) |
Total other income and (expense), net |
934 |
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204 |
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2,009 |
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500 |
Net loss and comprehensive loss |
$ (15,390) |
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$ (14,139) |
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$ (31,315) |
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$ (23,675) |
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Net loss per share, basic and diluted |
$ (1.14) |
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$ (44.82) |
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$ (2.33) |
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$ (75.22) |
Weighted average shares outstanding, |
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basic and diluted |
13,509,080 |
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315,478 |
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13,466,942 |
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314,747 |