Welcome to our dedicated page for Inhibikase Therapeutics SEC filings (Ticker: IKT), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Inhibikase Therapeutics, Inc. filings document the disclosure record for a Nasdaq-listed clinical-stage pharmaceutical company developing IKT-001 for pulmonary arterial hypertension. Form 8-K reports cover operating and financial results, Regulation FD materials, clinical and regulatory updates for IMPROVE-PAH, and exhibits furnished with company press releases and corporate presentations.
Proxy and annual-meeting filings address board elections, auditor ratification, equity incentive plan amendments, executive compensation and shareholder voting results. Other disclosures describe the company's common stock, Nasdaq listing, inducement equity awards, material agreements, and capital-structure matters involving common stock and warrant securities.
Inhibikase Therapeutics provides an annual update focused on its lead oral prodrug, IKT-001, being advanced as a potential disease‑modifying treatment for pulmonary arterial hypertension (PAH). The company has shifted strategic focus to PAH and initiated an adaptive global Phase 3 trial, IMPROVE‑PAH, in two parts across approximately 180 sites.
The filing describes prior bioequivalence work showing IKT‑001 doses that match imatinib exposure, FDA feedback supporting the 505(b)(2) pathway, and plans to seek Orphan Drug Designation. Inhibikase reports global commercialization rights and patent coverage for IKT‑001 extending, if granted and maintained, into a 2033–2045 window.
Recent corporate actions include pausing risvodetinib development, acquiring CorHepta Pharmaceuticals in an all‑stock transaction valued at $15.0 million, and licensing risvodetinib to ABLi Therapeutics with potential development and regulatory milestones up to $47.5 million plus double‑digit royalties. The company also raised $115,000,000 in gross proceeds via a public equity and pre‑funded warrant offering and maintains additional flexibility through a Form S‑3 shelf and at‑the‑market program. Context figures include a reported aggregate non‑affiliate market value of common stock of $127.3 million as of June 30, 2025, and 132,032,636 shares outstanding as of March 20, 2026.
Inhibikase Therapeutics reported a larger net loss for 2025 as it advanced its lead Pulmonary Arterial Hypertension program into a global pivotal Phase 3 trial called IMPROVE-PAH. Net loss was $48.3 million, or $0.49 per share, compared with $27.5 million, or $1.16 per share in 2024.
Research and development expenses rose to $29.8 million, including a $7.4 million non-cash write-off of in-process R&D and $2.5 million of stock-based compensation tied to the February 2025 CorHepta acquisition. Selling, general and administrative expenses increased to $23.6 million, including $1.0 million of severance from senior executive transitions.
Cash, cash equivalents and marketable securities were $178.8 million as of December 31, 2025, up from $97.5 million a year earlier, supported by $107.6 million of net proceeds from issuing common stock, pre-funded warrants and warrants. The company highlighted ongoing regulatory submissions in more than 20 countries and active enrollment in its single pivotal Phase 3 PAH study.
Inhibikase Therapeutics director Vincent Aurentz forfeited 255,299 shares of common stock back to the company. These shares had been received as part of the CorHepta Pharmaceuticals acquisition and were subject to forfeiture if a milestone was not met by the first anniversary of the February 21, 2025 closing date.
On February 21, 2026, the milestone was determined not to have been achieved, triggering the return of all 255,299 shares to the issuer at no cost. After this issuer disposition, Aurentz directly holds 510,596 shares of Inhibikase Therapeutics common stock.
Inhibikase Therapeutics executive Cabell Christopher reported the forfeiture of 338,282 shares of common stock back to the company. These shares had been received as part of the CorHepta Pharmaceuticals acquisition completed on February 21, 2025, but were subject to a milestone that had to be met by the first anniversary of that closing date.
On February 21, 2026, the milestone was determined not to have been achieved, causing all 338,282 shares to be returned to the issuer for no consideration. Following this disposition to the issuer, Christopher directly holds 676,564 shares of Inhibikase common stock.
Inhibikase Therapeutics director Amit Munshi reported a forfeiture of previously issued shares. On February 21, 2026, 19,089 shares of common stock were returned to the company after a milestone related to the February 21, 2025 CorHepta Pharmaceuticals acquisition was not achieved. Munshi received no cash or other consideration for this disposition to the issuer.
Following the forfeiture, he holds 38,176 shares of common stock directly and 365,000 shares indirectly through the Amit Munshi Revocable Trust.
Inhibikase Therapeutics, Inc. attracted a significant institutional holder, with ADAR1-affiliated entities reporting beneficial ownership of 9.9% of its common stock. ADAR1 Capital Management, ADAR1 Capital Management GP and manager Daniel Schneeberger report shared voting and dispositive power over between 12.5 million and 12.7 million shares, including milestone warrant shares.
The holdings span limited partnerships, a Spearhead Insurance vehicle and separately managed accounts, with additional milestone warrants contractually limited by a 9.99% beneficial ownership cap. Ownership percentages are based on 120,899,650 Inhibikase common shares outstanding as of November 24, 2025.
Inhibikase Therapeutics, Inc. received an amended Schedule 13G/A showing that Fairmount Funds Management LLC, Fairmount Healthcare Fund II L.P., and principals Peter Harwin and Tomas Kiselak collectively report beneficial ownership of 12,461,101 shares of Common Stock, representing 9.9% of the class.
The position consists of 8,625,000 shares held by Fund II and the current right to acquire 3,836,101 additional shares through pre-funded warrants, limited by a 9.99% “Beneficial Ownership Limitation.” The 9.9% stake is calculated against 124,461,101 shares of Common Stock outstanding as of the filing date.
Perceptive Advisors LLC and its affiliates report beneficial ownership of 12,816,643 shares of Inhibikase Therapeutics common stock, representing 9.99% of the class. This total includes shares underlying pre-funded and common warrants held by Perceptive Life Sciences Master Fund, Ltd., subject to a 9.99% ownership cap on warrant exercise.
The ownership percentage is based on 120,899,650 shares outstanding as of a recent prospectus supplement, and reflects shared voting and dispositive power among Perceptive Advisors, Joseph Edelman, and the Master Fund. The group certifies the holdings are not for the purpose of changing or influencing control of Inhibikase.
Nantahala Capital Management, LLC and principals Wilmot B. Harkey and Daniel Mack report their beneficial ownership of Inhibikase Therapeutics common stock on an amended Schedule 13G. As of December 31, 2025, they may be deemed to beneficially own 7,037,916 shares, or 5.68% of the outstanding common stock.
This total includes 3,108,624 shares that could be acquired within sixty days through warrant exercises. The reporting persons state they share voting and dispositive power over these shares and certify the holdings are in the ordinary course of business, not for the purpose of changing or influencing control.
Sands Capital Life Sciences Pulse Fund II, L.P. and related entities report a 10.8% beneficial stake in Inhibikase Therapeutics, Inc. They collectively hold 13,018,965 shares of common stock, based on 120,899,650 shares outstanding as of November 20, 2025, as referenced in the issuer's prospectus supplement.
The filing explains that this ownership is attributed to Sands Capital Life Sciences Pulse Fund II, its investment manager Sands Capital Alternatives, LLC, and Frank M. Sands, who has ultimate voting and investment power. It also describes additional Series A-1 and Series B-1 warrants held by the fund that are not counted as beneficially owned because they are not exercisable within 60 days and are subject to a 19.99% ownership cap after exercise.