Hyliion (HYLN) holder files to sell 40,000 common shares under Rule 144

Rhea-AI Filing Summary

Hyliion Holdings Corp has a planned sale of restricted securities under Rule 144. A holder intends to sell 40,000 shares of common stock through UBS Financial Services Inc. The planned sale has an indicated aggregate market value of $78,000 and is expected to occur on or about 12/12/2025 on the NYSE. The issuer has 175,400,000 shares of common stock outstanding, providing context for the size of the transaction.

The shares to be sold were acquired on 12/12/2025 in an employee benefit transaction from Hyliion Holdings Corp, with payment described as cash. The seller represents that they do not know of any undisclosed material adverse information about the company’s current or prospective operations when submitting this notice.

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

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

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

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	UBS Financial Services Inc 1000 Harbor Blvd 3rd Floor Weehawken NJ 07086	40000	78000	175400000	12/12/2025	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	12/12/2025	Employee Benefit	Hyliion Holdings Corp			40000	12/12/2025	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

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

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does this Form 144 transaction involve for HYLN?

A holder of Hyliion Holdings Corp (HYLN) common stock has noticed an intent to sell 40,000 shares of common stock on the NYSE under Rule 144.

How many HYLN shares are planned to be sold and what is their value?

The planned sale covers 40,000 shares of Hyliion common stock with an indicated aggregate market value of $78,000.

When and where are the HYLN shares expected to be sold?

The shares are expected to be sold on or about 12/12/2025 on the NYSE, using UBS Financial Services Inc. as broker.

How were the Hyliion (HYLN) shares being sold under Rule 144 acquired?

The 40,000 common shares were acquired on 12/12/2025 in an employee benefit transaction from Hyliion Holdings Corp, with the consideration described as cash.

How many Hyliion (HYLN) shares are outstanding compared to this sale?

Hyliion Holdings Corp has 175,400,000 shares of common stock outstanding, providing a baseline against which the 40,000-share planned sale can be viewed.

What representation does the seller make about information on Hyliion (HYLN)?

The seller represents that they do not know any material adverse information about Hyliion’s current or prospective operations that has not been publicly disclosed.