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Hyliion Holdings Corp. SEC Filings

HYLN NYSE

Welcome to our dedicated page for Hyliion Holdings 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.

Our SEC filing database is enhanced with expert analysis from Rhea-AI, providing insights into the potential impact of each filing on Hyliion Holdings's stock performance. Each filing includes a concise AI-generated summary, sentiment and impact scores, and end-of-day stock performance data showing the actual market reaction. Navigate easily through different filing types including 10-K annual reports, 10-Q quarterly reports, 8-K current reports, proxy statements (DEF 14A), and Form 4 insider trading disclosures.

Designed for fundamental investors and regulatory compliance professionals, our page simplifies access to critical SEC filings. By combining real-time EDGAR feed updates, Rhea-AI's analytical insights, and historical stock performance data, we provide comprehensive visibility into Hyliion Holdings's regulatory disclosures and financial reporting.

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Thomas J. Healy, CEO and director of Hyliion Holdings Corp. (HYLN), reported a sale of common stock on 08/25/2025. The Form 4 shows he disposed of 61,603 shares at $1.77 per share to pay a tax liability tied to the vesting and distribution of restricted stock units. After the transaction, Healy beneficially owned 35,335,284 shares. The filing is a routine section 16 disclosure recording an insider sale to satisfy tax obligations from equity compensation.

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Richard J. Freeland, a director of Hyliion Holdings Corp. (HYLN), purchased 65,000 shares of the issuer's common stock on 08/21/2025 at a price of $1.57 per share. Following this reported purchase, Mr. Freeland beneficially owns 222,798 shares. The Form 4 indicates the filing was made by a single reporting person and is signed by Mr. Freeland on 08/21/2025. No derivative transactions or other securities classes are reported on this form.

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Greg Standley, Chief Accounting Officer of Hyliion Holdings Corp. (HYLN) reported a transaction on 08/12/2025 where 2,781 shares of common stock were disposed of at $1.69 per share. The filing states these shares were withheld to satisfy a tax liability arising from the vesting and distribution of restricted stock units. After the withholding, Mr. Standley beneficially owned 232,052 shares, held directly. The Form 4 was signed on 08/14/2025 and identifies the sale as a routine tax-withholding action tied to equity compensation rather than an open-market trade.

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Govindaraj Ramasamy, Chief Commercial Officer of Hyliion Holdings Corp. (HYLN), reported routine dispositions of company common stock tied to restricted stock unit (RSU) vesting. On 08/12/2025 he disposed of 4,931 shares at $1.69 per share and on 08/13/2025 he disposed of 4,110 shares at $1.66 per share. The filing shows shares were withheld to satisfy a tax liability arising from the vesting and distribution of RSUs, not open-market selling for other purposes.

Following the 08/12 transaction his beneficial ownership was 568,071 shares and after the 08/13 transaction it was 563,961 shares. The Form 4 was signed on 08/14/2025 and is filed as a single-person report.

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Jon Panzer, Chief Financial Officer of Hyliion Holdings Corp. (HYLN), reported two small share dispositions tied to restricted stock unit vesting. The Form 4 shows that on 08/12/2025 he disposed of 6,271 shares at $1.69 each and on 08/13/2025 he disposed of 5,226 shares at $1.66 each. Following those transactions his beneficial ownership declined from 922,493 to 910,996 shares, reflecting shares withheld to cover taxes associated with the vesting and distribution of restricted stock units. The filing is signed by Mr. Panzer on 08/14/2025.

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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.

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Hyliion Holdings Corp. filed a current report to furnish a press release announcing its financial and other results for the quarter ended June 30, 2025. The press release, dated August 12, 2025, is included as Exhibit 99.1 and is incorporated by reference.

The company clarifies that this information, including Exhibit 99.1, is furnished rather than filed under the Exchange Act, which limits certain legal liabilities and how it may be incorporated into other securities filings.

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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.

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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.

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FAQ

How many Hyliion Holdings (HYLN) SEC filings are available on StockTitan?

StockTitan tracks 99 SEC filings for Hyliion Holdings (HYLN), including 10-K annual reports, 10-Q quarterly reports, 8-K current reports, and Form 4 insider trading disclosures. Each filing includes AI-generated summaries, impact scoring, and sentiment analysis.

When was the most recent SEC filing for Hyliion Holdings (HYLN)?

The most recent SEC filing for Hyliion Holdings (HYLN) was filed on August 25, 2025.