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.
Scanning Hyliion’s latest 10-K can feel like wading through engineering white papers—battery chemistry tables, hybrid drivetrain cost models, and emissions testing data stretch past 300 pages. Yet hidden in those passages are the numbers that decide margins for fleets adopting the company’s retrofit electric-axle systems. If you’ve wondered, “What does Hyliion report in their SEC filings?� or looked for a Hyliion annual report 10-K simplified, you’re in the right place.
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- Visual trend lines for hybrid system revenue and cap-ex
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Hyliion Holdings Corp. reported modest R&D services revenue of $1.5 million for the quarter and $2.0 million for the six months ended June 30, 2025, while recording a net loss of $13.4 million for the quarter and $30.7 million year-to-date. Research and development expense rose to $10.1 million in the quarter and $22.4 million for six months as the company advanced development and production activities for its KARNO Power Module.
The balance sheet shows $15.6 million in cash and cash equivalents and held-to-maturity investments with a fair value of approximately $170.0 million, which management states is sufficient to fund operations for the next twelve months. The company continues the approved wind-down of its powertrain business while focusing on KARNO commercialization, noting delivery of two early-adopter units and ongoing R&D under a Department of the Navy agreement originally awarded for up to $16.0 million with $15.2 million of remaining potential revenue as of June 30, 2025.
Jon Panzer, Chief Financial Officer of Hyliion Holdings Corp. (HYLN), filed a Form 4 reporting a transaction on 08/08/2025. The filing shows 741 shares were withheld to satisfy a tax liability related to the vesting and distribution of restricted stock units; the reported per-share amount associated with the transaction is $1.53.
After the withholding, Mr. Panzer is shown as directly beneficially owning 922,493 shares. The form contains no listed derivative transactions and is signed and dated 08/08/2025.
Hyliion Holdings Corp. insider Greg Standley, who serves as the companys Chief Accounting Officer and an officer of the issuer, reported a common stock transaction dated 08/06/2025. The Form 4 shows 6,307 shares were withheld to satisfy a tax liability arising from the vesting and distribution of restricted stock units, reported under transaction code F(1). The withholding used a per-share value of $1.51.
After the withholding, Mr. Standley beneficially owned 234,833 shares of Hyliion common stock on a direct basis. The filing shows no derivative transactions and was submitted by a single reporting person.