Hyliion (NYSE: HYLN) shareholder plans Rule 144 sale of 50,000 shares

Rhea-AI Filing Summary

Hyliion Holdings Corp has a shareholder filing a Rule 144 notice to sell common stock. The filing covers a proposed sale of 50,000 common shares through UBS Financial Services Inc. on the NYSE, with an indicated aggregate market value of $100,000. The issuer had 175,974,228 common shares outstanding at the time referenced. The shares to be sold were acquired on 12/03/2025 as part of an employee benefit arrangement, with payment on the same date. The form also notes that the same seller disposed of 25,218 common shares on 11/17/2025 for gross proceeds of $41,862, and includes a representation that the seller is not aware of undisclosed material adverse information about Hyliion’s 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	50000	100000	175974228	12/03/2025	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	12/03/2025	Employee Benefit	Hyliion Holdings Corp			50000	12/03/2025	n/a

* 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

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Cheri Lantz 1202 BMC Dr. Suite 100 Cedar Park TX 78613	Common	11/17/2025	25218	41862

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 the Hyliion (HYLN) Form 144 filing disclose?

The Form 144 discloses that a Hyliion shareholder intends to sell 50,000 common shares of Hyliion Holdings Corp on the NYSE under Rule 144.

How many Hyliion (HYLN) shares are planned to be sold and through which broker?

The notice covers a proposed sale of 50,000 Hyliion common shares to be executed through UBS Financial Services Inc.

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

The aggregate market value of the 50,000 common shares covered by the Form 144 is listed as $100,000.

How many Hyliion (HYLN) shares were outstanding at the time referenced?

The filing states that there were 175,974,228 Hyliion common shares outstanding at the time referenced.

When and how were the Hyliion shares being sold under Form 144 acquired?

The 50,000 common shares were acquired on 12/03/2025 through an employee benefit arrangement, with payment made on the same date.

Has this Hyliion shareholder sold any shares in the last three months?

Yes. The filing reports that the same seller disposed of 25,218 common shares on 11/17/2025, generating $41,862 in gross proceeds.

Does the Hyliion Form 144 include any representation about undisclosed information?

Yes. By signing, the seller represents that they do not know of any material adverse information about Hyliion’s current or prospective operations that has not been publicly disclosed.