Welcome to our dedicated page for Hyliion Holdings Corporation SEC filings (Ticker: HYLN), 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.
Hyliion Holdings Corp. (HYLN) files reports and disclosures with the U.S. Securities and Exchange Commission that provide detail on its financial condition, operations, and key developments related to its electricity-producing technologies. These SEC filings complement the company’s public news releases about the KARNO Power Module, distributed power projects, and regulatory milestones.
On this page, you can review Hyliion’s periodic and current reports, including Forms 10‑K and 10‑Q when filed, which describe revenue sources such as research and development services, operating expenses tied to advancing the KARNO platform, and information about cash, investments, and capital deployment. Current reports on Form 8‑K, such as those furnished in connection with quarterly results, outline material events including financial updates and significant operational milestones.
Stock Titan enhances these filings with AI‑powered summaries that highlight important sections, explain technical language, and surface items that may matter to investors, such as progress in product development, changes in research and development spending, or updates related to regulatory determinations affecting the KARNO technology. When insider transaction reports on Form 4 or proxy statements on Schedule 14A are available, they can provide additional insight into executive share activity and governance matters.
Filings are sourced in near real time from the SEC’s EDGAR system, and AI tools help organize them by type and topic so users can quickly locate quarterly and annual reports, 8‑K disclosures, and other relevant documents. This structure allows readers to move from high‑level AI explanations to the underlying Hyliion filings for a more detailed view of how the company reports on its distributed power generation business.
Hyliion Holdings Corp. filed a shelf registration prospectus to offer up to $500,000,000 of securities, including common stock, preferred stock, debt securities, warrants and units, dated February 25, 2026.
The prospectus is a shelf registration permitting one or more offerings from time to time; specific terms, pricing and the method of distribution will be set in prospectus supplements. The Company states proceeds will be used for general corporate purposes, which may include capital expenditures. The filing discloses 177,812,784 shares of Common Stock outstanding as of February 19, 2026 and authorizes 250,000,000 shares of Common Stock and 10,000,000 shares of preferred stock.
Hyliion Holdings Corp. outlines its transition to the fuel-agnostic KARNO Power Module for distributed power generation, targeting data centers, industrial users, defense, EV charging and waste-gas applications. The 200 kW modular system aims for about 45% electrical efficiency with ultra-low emissions and reduced maintenance.
The company is still pre-revenue from product sales and currently depends on U.S. Navy Office of Naval Research contracts of up to $16 million plus $1.5 million for R&D services. Hyliion reported net losses of $57.2 million in 2025 and $52.0 million in 2024 and warns that commercialization of the KARNO generator may be delayed beyond late 2026 or may not occur.
As of June 30, 2025, non-affiliate equity market value was about $183 million, and 177,812,784 common shares were outstanding as of February 19, 2026. The company holds a sizeable patent portfolio around KARNO technology, relies on additive manufacturing capacity from GE-affiliated printers, and highlights risks from supplier concentration, government funding dependence, manufacturing scale-up, cybersecurity, and strong competition in distributed generation and R&D services.
Hyliion Holdings reported fourth-quarter and full-year 2025 results and highlighted progress on its KARNO modular power plant platform. Revenue came from research and development services, totaling $0.7 million in the fourth quarter and $3.5 million for the year.
The company posted a fourth-quarter net loss of $13.2 million and a full-year net loss of $57.2 million, driven mainly by ongoing R&D and operating expenses. Hyliion ended 2025 with $152.4 million in cash and investments, providing funding for continued product development and early deployments.
Operationally, Hyliion advanced its KARNO Power Module, operating five units, completing key UL certification tests, and demonstrating 175 kW of power with a design target of 200 kW by late 2026. The company is targeting initial KARNO deliveries and commercialization in 2026, expects around $10 million of 2026 revenue, and forecasts year-end 2026 cash and investments of about $100 million.
Hyliion Holdings Corp. director Melanie Trent reported an equity award. On February 11, 2026, she acquired 60,976 shares of common stock as a restricted stock unit (RSU) grant under the company’s 2024 Equity Incentive Plan at a reference price of $2.05 per share.
The RSU award will vest on February 11, 2027, meaning the shares become fully earned on that date if vesting conditions are met. After this grant, Trent beneficially owns 218,774 shares of Hyliion common stock in direct ownership.
Hyliion Holdings Corp. director Robert M. Knight Jr. reported acquiring 60,976 shares of common stock on February 11, 2026 through a restricted stock unit award valued at $2.05 per share. Following this equity grant, he directly holds 375,345 common shares. The RSU award will fully vest on February 11, 2027.
Hyliion Holdings Corp. director Mary Gustanski reported an equity award of 60,976 shares of common stock on February 11, 2026. The shares were acquired as a grant of restricted stock units under Hyliion’s 2024 Equity Incentive Plan at a reference price of $2.05 per share.
Following this award, Gustanski’s directly held beneficial ownership increased to 256,379 shares of Hyliion common stock. The restricted stock unit award is scheduled to fully vest on February 11, 2027, meaning the shares become earned and unrestricted on that future date if vesting conditions are met.
Hyliion Holdings Corp. director Richard Joseph Freeland reported an equity award of common stock on Form 4. On February 11, 2026 he acquired 60,976 shares at $2.05 per share as a grant under Hyliion’s 2024 Equity Incentive Plan. These restricted stock units will vest on February 11, 2027, bringing his directly held beneficial ownership to 283,774 shares after the award.
Hyliion Holdings Corp. director Vincent T. Cubbage received an equity grant tied to common stock. On February 11, 2026, he was awarded 60,976 shares of common stock at a grant price of $2.05 per share, reported as an acquisition.
This award represents restricted stock units granted under Hyliion’s 2024 Equity Incentive Plan and will vest on February 11, 2027. Following this grant, Cubbage directly beneficially owns 1,092,863 shares of Hyliion common stock.
Craig Jeffrey A reported acquisition or exercise transactions in this Form 4 filing.
Hyliion Holdings Corp. director Jeffrey A. Craig received an equity grant tied to the company’s common stock. On February 11, 2026, he was awarded 60,976 shares at $2.05 per share through a restricted stock unit grant under Hyliion’s 2024 Equity Incentive Plan. These restricted stock units will vest on February 11, 2027, meaning the shares become fully his on that date if conditions are met. Following this grant, Craig directly beneficially owns 402,845 Hyliion shares.
Hyliion Holdings Corp. director Rodger L. Boehm acquired 60,676 shares of common stock through an equity award. The award was granted on February 11, 2026 at a reference price of $2.05 per share under the company’s 2024 Equity Incentive Plan.
The grant consists of restricted stock units that are scheduled to vest on February 11, 2027. Following this grant, Boehm directly beneficially owns 218,474 shares of Hyliion common stock, reflecting his updated equity position as a company director.