Inhibikase Therapeutics Announces Second Quarter 2026 Financial Results and Highlights Recent Activity

About this update from Inhibikase Therapeutics, Inc.

WILMINGTON, Del., Aug. 11, 2026 (GLOBE NEWSWIRE) -- Inhibikase Therapeutics, Inc. (Nasdaq: IKT) (“Inhibikase” or “Company”), a clinical-stage pharmaceutical company developing IKT-001, a novel once-daily oral anti-proliferative for Pulmonary Arterial Hypertension (“PAH”), today reported financial results for the quarter ended June 30, 2026, and highlighted recent developments. “During our second quarter and in recent weeks we continued to advance our Phase 3 IMPROVE-PAH study with 26 country regulatory approvals together with the recent initiation of 43 clinical sites across a range of countries,” said Mark Iwicki, Chief Executive Officer of Inhibikase. “Also, during the quarter, favorable results of pre-clinical and Phase 1 studies of IKT-001 were presented at the American Thoracic Society International Conference , with data demonstrating improvements in pulmonary vascular and hemodynamic markers of PAH and lower potential for GI toxicity compared to imatinib mesylate. Together with the recent grant of Orphan Drug Designation from the U.S. FDA and the $50 million proceeds from the sale of shares to RA Capital, Inhibikase is well-positioned to advance IKT-001 toward its potential as the first once-daily oral anti-proliferative offering significant potential benefits to the PAH patient population.” Recent Developments In April 2026, Inhibikase received confirmation from the European Medicines Agency that the Company is permitted to initiate its Phase 3 study in PAH, named IMPROVE-PAH ( I KT-001 for M easuring P ulmonary Vascular R esistance and O utcome V ariables in a Phase 3 E valuation of PAH; NCT07365332). Globally, regulatory approvals for the Phase 3 study have been obtained in 26 countries with 3 additional country approvals pending and 4 additional country regulatory submissions planned. The global IMPROVE-PAH trial is a two-part adaptive Phase 3 study. Part A of IMPROVE-PAH is a double blind, placebo-controlled study in approximately 140 patients with a primary endpoint of change in Pulmonary Vascular Resistance (“PVR”) at Week 24. Part B of IMPROVE-PAH seamlessly begins following the enrollment of the last patient in Part A and adopts an identical format to Part A except the primary endpoint of Part B is change in 6-minute walk distance (“6MWD”) at Week 24 in approximately 346 patients. In July 2026, the Company sold 25,000,000 shares of the Company’s common stock to RA Capital Management through its at-the-market (“ATM”) facility for gross proceeds of $50 million. Subsequently, in July 2026, 18,030,000 of these shares of common stock were exchanged for pre-funded warrants to purchase shares of common stock. In July 2026, the FDA’s Office of Orphan Products Development granted Orphan Drug Designation (“ODD”) for IKT-001. ODD provides potential development incentives, including eligibility for tax credits on qualified clinical trial costs, exemption from certain FDA user fees, and the potential for seven years of market exclusivity upon regulatory approval. Presentations In May 2026, pre-clinical and Phase 1 data for IKT-001 were presented at the American Thoracic Society (“ATS”) International Conference in Orlando, Florida. These presentations included data demonstrating the following: The potential for IKT-001 to have an improved gastro-intestinal (“GI”) side-effect profile, including gastric emptying benefits and reduced impairment of intestinal motility compared to imatinib mesylate. IKT-001 remains intact in the stomach and the intestine and is not converted to imatinib until it reaches the blood, with in vitro pharmacology studies demonstrating an 18-fold decrease in c-Kit inhibition which has been implicated in the GI side-effects of imatinib. Single doses of IKT-001 resulted in rapid and dose proportional exposure of circulating imatinib, which were well tolerated over a 300-800 mg range with no indication of dose-dependent GI toxicities. Financial Results Cash Position: As of June 30, 2026, cash, cash equivalents and marketable securities were $159.0 million. Subsequent to the close of the quarter the Company announced that it had sold 25,000,000 shares of the Company’s common stock to RA Capital Management through its ATM facility for gross proceeds of $50 million. The Company expects that the additional capital raised through this financing, together with existing cash reserves, will support operations through topline data readout in Part B of the ongoing global Phase 3 IMPROVE-PAH clinical study, assuming the full and timely exercise of the outstanding Series A and B Warrants. As of June 30, 2026, there were 132.0 million shares of common stock and 42.5 million pre-funded warrants outstanding. Net Loss: Net loss for the quarter ended June 30, 2026, was $19.6 million, or $0.11 per share, compared to a net loss of $9.9 million, or $0.11 per share in the quarter ended June 30, 2025. Net loss for the six months ended June 30, 2026, was $36.0 million, or $0.21 per share, compared to a net loss of $23.6 million, or $0.26 per share, for the six months ended June 30, 2025. R&D Expenses: Research and development expenses were $13.4 million for the quarter ended June 30, 2026, compared to $5.3 million for the quarter ended June 30, 2025. Research and development expenses were $24.2 million for the six months ended June 30, 2026, compared to $15.8 million for the six months ended June 30, 2025. SG&A Expenses: Selling, general and administrative expenses for the quarter ended June 30, 2026 were $7.7 million, compared to $5.9 million for the quarter ended June 30, 2025. Selling, general and administrative expenses for the six months ended June 30, 2026 were $15.0 million, compared to $11.2 million for the six months ended June 30, 2025, which included $1.0 million of severance expenses for prior senior executives of the Company. About Inhibikase (www.inhibikase.com) Inhibikase Therapeutics, Inc. (Nasdaq: IKT) is a clinical-stage pharmaceutical company developing therapeutics to modify the course of cardiopulmonary diseases, namely, Pulmonary Arterial Hypertension (“PAH”), in which aberrant signaling through type III receptor tyrosine kinases, including platelet derived growth factor receptors and a stem cell factor receptor, known as “c-Kit,” has been implicated. Our lead product candidate is IKT-001, a prodrug of imatinib mesylate (“imatinib”), for PAH which is an orphan indication. Imatinib was first approved in the United States in 2001 for various cancers and blood disorders and, following more than 20 years of clinical use, has a well-characterized safety profile with the first reported use of imatinib in PAH occurring in 2005. PAH is a progressive, life-threatening disease characterized by pulmonary vascular remodeling and elevated pulmonary vascular resistance that affects approximately 50,000 Americans. Our single pivotal Phase 3 clinical study in PAH in approximately 180 sites around the world, named IMPROVE-PAH ( I KT-001 for M easuring P ulmonary Vascular R esistance and O utcome V ariables in a Phase 3 E valuation of PAH ), is actively enrolling patients. Social Media Disclaimer Investors and others should note that the Company announces material financial information to investors using its investor relations website, press releases, SEC filings and public conference calls and webcasts. The Company intends to also use LinkedIn as a means of disclosing information about the Company, its services and other matters and for complying with its disclosure obligations under Regulation FD. Forward-Looking Statements This press release contains “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. Forward-looking terminology such as “believes,” “expects,” “may,” “will,” “should,” “anticipates,” “plans,” or similar expressions or the negative of these terms and similar expressions are intended to identify forward-looking statements. These forward-looking statements include, but are not limited to, statements that express the Company’s intentions, beliefs, expectations, strategies, predictions or any other statements related to the potential of IKT-001, including its potential to become a once-daily oral anti-proliferative treatment for PAH and its potential benefits to patients with PAH, the advancement of the Company’s global pivotal Phase 3 clinical study of IKT-001 in PAH, including the timing, design, initiation and conduct of the IMPROVE-PAH study and related regulatory submissions, the Company’s ability to obtain additional regulatory approvals for the IMPROVE-PAH study, the Company’s beliefs regarding the potential advantages of the Phase 3 clinical study of IKT-001, the potential benefits of Orphan Drug Designation, the Company’s expectations regarding its cash runway and ability to fund operations through topline data readout in Part B of IMPROVE-PAH, or future events or conditions. These forward-looking statements are based on Inhibikase’s current expectations and assumptions. Such statements are subject to certain risks and uncertainties, which could cause Inhibikase’s actual results to differ materially from those anticipated by the forward-looking statements. Important factors that could cause actual results to differ materially from those in the forward-looking statements include our ability to execute a Phase 3 study to evaluate IKT-001 as a treatment for PAH, as well as such other factors that are included in our periodic reports on Form 10-K and Form 10-Q that we file with the U.S. Securities and Exchange Commission. Any forward-looking statement in this release speaks only as of the date of this release. Inhibikase undertakes no obligation to publicly update or revise any forward-looking statement, whether as a result of new information, future developments or otherwise, except as may be required by any applicable securities laws. Contacts: Investor Relations: Michael Moyer LifeSci Advisors [email protected] ---tables to follow--- Inhibikase Therapeutics, Inc. Condensed Consolidated Balance Sheets (Unaudited)                   June 30, 2026     December 31, 2025                 Assets         ​   Current assets:         ​   Cash and cash equivalents   $ 31,206,707     $ 139,220,208   Marketable securities     127,812,140       39,543,820   Prepaid research and development     2,346,641       1,001,993   Prepaid expenses and other current assets     933,938       343,374   Deferred offering costs     44,489       —   Total current assets     162,343,915       180,109,395   Prepaid research and development, noncurrent     1,000,000       1,000,000   Other assets     244,697       95,121   Total assets   $ 163,588,612     $ 181,204,516   Liabilities and stockholders’ equity             Current liabilities:             Accounts payable   $ 991,720     $ 1,158,054   Accrued expenses and other current liabilities     9,268,306       4,081,282   Contingent consideration liability     —       3,061,501   Total current liabilities     10,260,026       8,300,837   Total liabilities     10,260,026       8,300,837   Commitments and contingencies (see Note 15)             Stockholders’ equity:   ​     ​   Preferred stock, $0.001 par value; 10,000,000 shares authorized; 0 shares issued and outstanding at June 30, 2026 and December 31, 2025     —       —   Common stock, $0.001 par value; 500,000,000 shares authorized; 132,032,636 and 131,691,237 shares issued and outstanding (including 0 and 4,149,252 contingently issuable shares - see Note 10) at June 30, 2026 and December 31, 2025, respectively     132,032       131,691   Additional paid-in capital     331,921,179       315,429,986   Accumulated other comprehensive income (loss)     (72,754 )     21,802   Accumulated deficit     (178,651,871 )     (142,679,800 ) Total stockholders' equity     153,328,586       172,903,679   Total liabilities and stockholders’ equity   $ 163,588,612     $ 181,204,516                     Inhibikase Therapeutics, Inc. Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited)                   Three Months Ended June 30,     Six Months Ended June 30,       2026     2025     2026     2025   Costs and expenses:                         Research and development   $ 13,393,464     $ 5,270,967     $ 24,232,614     $ 15,784,546   Selling, general and administrative     7,657,531       5,919,731       15,033,654       11,169,022   Change in fair value contingent consideration     —       (358,420 )     (373,354 )     (1,523,284 ) Total costs and expenses     21,050,995       10,832,278       38,892,914       25,430,284   Loss from operations     (21,050,995 )     (10,832,278 )     (38,892,914 )     (25,430,284 ) Other income     1,459,764       916,755       2,920,843       1,836,026   Net loss     (19,591,231 )     (9,915,523 )     (35,972,071 )     (23,594,258 ) Other comprehensive income (loss), net of tax                         Unrealized gain (loss) on marketable securities     (46,461 )     (1,977 )     (94,556 )     34,304   Comprehensive loss   $ (19,637,692 )   $ (9,917,500 )   $ (36,066,627 )   $ (23,559,954 ) Net loss per share – basic and diluted   $ (0.11 )   $ (0.11 )   $ (0.21 )   $ (0.26 ) Weighted-average number of shares – basic and diluted     174,571,543       90,009,625       173,445,493       89,774,703                                     Inhibikase Therapeutics, Inc. Condensed Consolidated Statements of Cash Flows (Unaudited)             Six months ended June 30,       2026     2025   Cash flows from operating activities             Net loss   $ (35,972,071 )   $ (23,594,258 ) Adjustments to reconcile net loss to net cash used in operating activities:             Depreciation     —       36,812   Stock-based compensation expense     10,905,776       6,250,938   Write-off of in-process research and development     —       7,357,294   Change in fair value contingent consideration     (373,354 )     (1,523,284 ) Non-cash accretion on marketable securities     (1,969,587 )     —   Changes in operating assets and liabilities:             Operating lease right-of-use assets     —       66,519   Prepaid expenses and other current assets     (590,564 )     7,526   Prepaid research and development     (1,344,648 )     (57,547 ) Other assets     (149,576 )     —   Accounts payable     (196,334 )     1,592,656   Operating lease liabilities     —       (72,573 ) Accrued expenses and other current liabilities     5,187,024       258,156   Net cash used in operating activities     (24,503,334 )     (9,677,761 )               Cash flows from investing activities             Purchases of equipment and improvements     —       (13,399 ) Purchases of investments - marketable securities     (145,618,289 )     —   Maturities of investments - marketable securities     59,225,000       31,350,103   Acquired in-process research and development     —       (438,624 ) Net cash provided by (used in) investing activities     (86,393,289 )     30,898,080                 Cash flows from financing activities             Deferred offering costs     (14,489 )     —   Proceeds from issuance of common stock, pre-funded warrants and warrants, net of issuance costs     2,897,611       150   Issuance of common stock from exercise of options     —       31,621   Net cash provided by financing activities     2,883,122       31,771   Net increase (decrease) in cash and cash equivalents     (108,013,501 )     21,252,090   Cash and cash equivalents at beginning of period     139,220,208       56,490,579   Cash and cash equivalents at end of period   $ 31,206,707     $ 77,742,669   Supplemental disclosures of cash flow information             Issuance costs   $ 85,000     $ —   Non-cash investing and financing activities             Contingent consideration   $ —     $ 2,912,159   Settlement of contingent consideration liability   $ 2,688,147     $ —   Non-cash financing costs included in accounts payable and accrued expenses   $ 30,000     $ 307,373   CorHepta transaction costs   $ —     $ 175,000                    

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