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Hyliion Holdings Corp.’s Chief Technology Officer, Joshua T. Mook, reported two small Form 4 transactions in common stock coded as “other acquisition or disposition.” On May 19 and May 20, a total of 6,803 shares were sold at prices of $4.06 and $3.92 per share. A footnote explains these shares were sold at the direction of the issuer under an award agreement to cover Mr. Mook’s tax withholding obligations, meaning they were mechanistic, compensation-related sales rather than discretionary trading. After these transactions, Mr. Mook directly holds 1,107,306 common shares, so the tax-related sales represent a small portion of his overall stake.
Hyliion Holdings Corp. Chief Financial Officer Jon Panzer reported two non-market transactions in company common stock. On May 19 and May 20, a total of 8,065 shares were sold at prices of $4.06 and $3.92 per share, respectively.
According to the award agreement, these sales were executed at the issuer’s direction solely to cover Panzer’s tax withholding obligations, rather than as discretionary trades. After these transactions, Panzer directly holds 949,075 shares of Hyliion common stock.
Hyliion Holdings Corp. Chief Executive Officer Thomas J. Healy reported two "other" transactions in Hyliion common stock. On May 19 and May 20, a total of 28,026 shares were sold at prices of $4.08 and $3.98 per share.
According to the disclosure, these shares were sold at the direction of Hyliion under the terms of its award agreement with Healy to cover his tax withholding obligations. After these transactions, Healy directly held about 35.3 million shares of Hyliion common stock, indicating the changes were small relative to his overall position.
Hyliion Holdings Corp submitted a Form 144 notice reporting the proposed sale of 30,000 shares of Common Stock on 05/19/2026 under an Employee Benefit arrangement for cash. The filing also lists a prior sale by Thomas Healy of 58,202 shares on 03/03/2026.
Hyliion Holdings Corp. reported the results of its 2026 Annual Meeting of Stockholders held on May 19, 2026. Stockholders elected Class III directors Rodger Boehm, Mary Gustanski, and Robert Knight, Jr., each receiving over 76 million votes in favor with about 4–5 million votes withheld and 48,012,672 broker non-votes.
Stockholders also ratified Grant Thornton LLP as the independent registered public accounting firm for the fiscal year ended December 31, 2026, with 128,399,016 votes for, 794,022 against, and 306,551 abstentions. On an advisory basis, stockholders approved the compensation of named executive officers and approved an amendment to the 2024 Equity Incentive Plan, with more than 72 million votes for each proposal.
Hyliion Holdings Corp filed a Form 144 notice reporting a proposed sale of 15,000 shares of Common Stock. The filing lists the intended sale date as 05/19/2026 and identifies the sale as related to an Employee Benefit transaction for cash. The filing also discloses a prior sale of 14,816 shares on 03/03/2026 by Joshua Mook.
Hyliion Holdings Corp submitted a Form 144 reporting a proposed sale of 15,000 shares of Common Stock on 05/19/2026 under an Employee Benefit designation for cash. The filing also shows a prior reported sale on 03/03/2026 of 16,820 shares by Jon Panzer.
Hyliion Holdings Corp submitted a Form 144 notifying a proposed sale of 15,000 shares of Common Stock to be effected on 05/19/2026. The filing lists UBS Financial Services Inc. and indicates the sale is linked to an Employee Benefit and will be for cash. The excerpt also shows prior dispositions by Govindaraj Ramasamy of 130 shares on 03/10/2026 and 12,758 shares on 03/03/2026.
Hyliion Holdings Corp: a Form 144 discloses an intended sale of 15,000 shares of Common Stock on 05/19/2026 under an Employee Benefit arrangement for cash. The filing also lists 24,900 shares sold on 03/03/2026 and a listed figure of 178,300,000 (appearing with the filing date).
Hyliion Holdings reported first‑quarter 2026 results showing early R&D revenue growth but continued losses as it develops its KARNO Power Module technology. Revenue from research and development services rose to $2.8 million from $0.5 million, all recognized over time from government contracts.
Operating expenses fell sharply as R&D spending declined, reducing the net loss to $11.7 million from $17.3 million, or $(0.07) per share. Hyliion used $12.7 million of cash in operating activities. As of March 31, 2026, it held $20.3 million in cash and $119.1 million in investments, and management believes this is sufficient to fund operations for at least the next twelve months while progressing KARNO commercialization and fulfilling up to $11.2 million of remaining ONR contract value.