Capital Structure

12 Months Ended

Dec. 31, 2025

Equity [Abstract]

Capital Structure

Note 6. Capital Structure

Preferred Stock

The Company is authorized to issue 10,000,000 shares of preferred stock with a par value of $0.0001 per share. The Company’s Board is authorized to fix the voting rights, if any, designations, powers, preferences, the relative, participating, option or other special rights and any qualifications, limitations and restrictions thereof, applicable to the shares of each series. At December 31, 2025 and 2024, there were no shares of preferred stock issued and outstanding.

Common Stock

At December 31, 2025, the following shares of common stock were reserved for future issuance:

Unexercised stock options outstanding under 2016 Equity Incentive Plan	176,189
Shares granted and unvested under 2020 Equity Incentive Plan	2,297,915
Shares granted and unvested under 2024 Equity Incentive Plan	5,463,215
Authorized for future grant under 2024 Equity Incentive Plan	6,122,750
Authorized for future issuance under the Hyliion Holdings Corp. Employee Stock Purchase Plan	1,800,000
	15,860,069

Treasury Stock

In December 2023, we announced a share repurchase program which has no expiration date, authorizing the repurchase of up to $20.0 million in shares.