Form 4: Hyliion CEO Sells Shares for Tax Obligations

Hyliion Holdings Corp. CEO Thomas J. Healy sold 134,963 shares of common stock at $1.94 per share to cover tax withholding obligations.

Summary

• Thomas J. Healy, who serves as Chief Executive Officer, Director, and a 10% Owner of Hyliion Holdings Corp. (HYLN), reported a transaction involving the company's common stock.
• He sold 134,963 shares of common stock on December 12, 2025.
• The shares were sold at a price of $1.94 per share.
• The sale was executed at the direction of the issuer under the terms of an award agreement, specifically to cover Mr. Healy's tax withholding obligations.
• Following this transaction, Mr. Healy beneficially owns 35,102,148 shares of Hyliion Holdings Corp. common stock.

Sentiment

Score: 5

Explanation: The transaction is a non-discretionary sale to cover tax withholding obligations, which is a routine event for equity compensation. While any insider sale can draw scrutiny, the clear explanation prevents it from being strongly negative, placing it in a neutral to slightly negative category.

Positives

• The sale was not a discretionary decision by the CEO but was executed at the direction of the issuer to cover tax withholding obligations, which is a common and routine practice for equity awards.

Negatives

• An insider sale, even for tax purposes, can sometimes be perceived negatively by the market, potentially signaling a lack of confidence, although the stated reason mitigates this concern.

Future Outlook

Not applicable; this filing reports a past insider transaction and does not provide forward-looking statements or guidance.

Management Comments

• The decision to sell shares to cover the reporting person's tax withholding obligations was at the sole discretion of the issuer, as per the terms of the award agreement.

Industry Context

Not applicable; this filing reports an individual insider transaction and does not provide broader industry context or trends.

Stakeholder Impact

• Shareholders may note the insider sale, but the explanation regarding tax withholding obligations should mitigate concerns about management's confidence in the company, as it is a common administrative action.

Key Dates

Keywords

Hyliion Holdings Corp., HYLN, Thomas J. Healy, CEO, insider transaction, Form 4, stock sale, tax withholding, beneficial ownership