Hyliion HYLN insider Form 144 flags 159,776-share planned sale

Rhea-AI Filing Summary

Hyliion Holdings (HYLN) has a Form 144 notice indicating a planned sale of 159,776 shares of common stock through UBS Financial Services Inc. on the NYSE. The shares have an aggregate market value of 265,000, versus 175,974,228 common shares outstanding. The securities are reported as acquired on 11/17/2025 via an employee benefit transaction from Hyliion Holdings, with payment described as cash. The person signing the notice represents that they are not aware of undisclosed material adverse information about Hyliion’s current or prospective operations.

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	159776	265000	175974228	11/17/2025	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	11/17/2025	Employee Benefit	Hyliion Holdings			159776	11/17/2025	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 Hyliion (HYLN) disclose in this Form 144 filing?

The Form 144 notice for Hyliion (HYLN) reports a planned sale of 159,776 shares of common stock on the NYSE through UBS Financial Services Inc., with an aggregate market value of 265,000.

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

The notice covers a proposed sale of 159,776 shares of Hyliion common stock, to be sold through UBS Financial Services Inc. on the NYSE.

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

The Form 144 indicates an aggregate market value of 265,000 for the 159,776 Hyliion common shares proposed to be sold.

How many Hyliion (HYLN) shares were outstanding according to this notice?

The Form 144 states that there were 175,974,228 shares of Hyliion common stock outstanding, providing context for the size of the proposed sale.

When and how were the Hyliion shares in this Form 144 acquired?

The shares are reported as acquired on 11/17/2025 in an employee benefit transaction from Hyliion Holdings, with the nature of payment described as cash.

What representation does the seller make in this Hyliion Form 144?

The person for whose account the securities are to be sold represents that they do not know of any material adverse information about Hyliion’s current or prospective operations that has not been publicly disclosed.