Hyliion holder plans resale of 60,000 shares

Hyliion Holdings Corp. (HYLN) is the issuer for a planned resale of its common stock under Rule 144 by Thomas Healy.

Rhea-AI Filing Summary

Hyliion Holdings Corp. (HYLN) is the issuer for a planned resale of its common stock under Rule 144 by Thomas Healy. The notice covers up to 60,000 shares, with an indicated aggregate market value of 200,000 and 178,600,000 shares of the same class outstanding. UBS Financial Services Inc. is listed as the broker, and the approximate sale date provided is August 21, 2026, on the NYSE. The shares are identified as being related to an Employee Benefit transaction.

Key Figures

Shares to be sold: 60,000 shares Aggregate market value: 200,000 Shares outstanding: 178,600,000 shares +2 more

5 metrics

Shares to be sold 60,000 shares Number of Hyliion Holdings Corp. common shares proposed for sale under Rule 144

Aggregate market value 200,000 Aggregate market value of the 60,000 shares proposed to be sold

Shares outstanding 178,600,000 shares Hyliion Holdings Corp. common stock outstanding for this class

Approximate sale date 08/21/2026 Planned date for the NYSE sale of the shares

Shares from employee benefit source 60,000 shares Common stock listed as related to an Employee Benefit transaction dated 08/20/2026

Key Terms

Rule 144, aggregate market value, attorney-in-fact

3 terms

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144."

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

aggregate market value financial

"60000 | 200000 | 178600000 | 08/21/2026 | NYSE"

Aggregate market value is the combined price you would pay to buy all outstanding shares of a company or all companies in a group at current market prices — essentially the sum of each stock’s market capitalization. It matters to investors because it shows the overall size and weight of an investment or sector (like the total cost to buy every piece of a puzzle), helps compare scale across companies or markets, and influences index composition and risk exposure.

attorney-in-fact regulatory

"as attorney-in-fact for Thomas Healy"

An attorney-in-fact is the person or entity given legal authority through a power of attorney to act on behalf of another for specific tasks, such as signing documents, voting shares, or handling transactions. For investors, this matters because it lets a trusted representative make timely decisions or complete paperwork when the owner cannot, much like handing keys to someone to run errands on your behalf—so checks on scope and limits of that authority are important.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does the Form 144 notice disclose for Hyliion Holdings Corp. (HYLN)?

It discloses a proposed Rule 144 sale of 60,000 shares of Hyliion Holdings Corp. common stock for the account of Thomas Healy, with UBS Financial Services Inc. as broker and an approximate sale date of August 21, 2026 on the NYSE.

How many Hyliion (HYLN) shares are proposed to be sold under this Form 144?

The notice covers a proposed sale of up to 60,000 shares of Hyliion Holdings Corp. common stock for the account of Thomas Healy.

What is the aggregate market value of the Hyliion (HYLN) shares in this Form 144?

The Form 144 indicates an aggregate market value of 200,000 for the 60,000 shares of Hyliion Holdings Corp. common stock proposed to be sold.

How many Hyliion (HYLN) common shares are outstanding according to this Form 144?

The notice states that there are 178,600,000 shares of Hyliion Holdings Corp. common stock outstanding for the class involved in the proposed sale.

Who is the person for whose account Hyliion (HYLN) shares will be sold?

The person for whose account the securities are to be sold is Thomas Healy, with UBS Financial Services Inc. acting pursuant to a power of attorney on his behalf.

When is the proposed sale date for the Hyliion (HYLN) shares in this Form 144?

The approximate date of sale listed is August 21, 2026 for the Hyliion Holdings Corp. common stock proposed to be sold on the NYSE.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 08/21/2026 - 03:45 PM EDT Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001825486
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Hyliion Holdings Corp
SEC File Number	001-38823
Address of Issuer	1202 BMC Drive Suite 100 Cedar Park TEXAS 78613
Phone	8334954466
Name of Person for Whose Account the Securities are To Be Sold	Thomas Healy
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer
Relationship to Issuer	Director

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common Stock	UBS Financial Services Inc 1000 Harbor Blvd 3rd Floor Weehawken NJ 07086	60000	200000	178600000	08/21/2026	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common Stock	08/20/2026	Employee Benefit	Hyliion Holdings Corp			60000	08/20/2026	Cash

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks
Date of Notice	08/21/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/JOSEPH CASSIDY, for UBS Financial Services Inc, as attorney-in-fact for Thomas Healy
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)