Hyliion CAO stock sold to cover tax obligations

Hyliion Holdings Corp. Chief Accounting Officer Greg Standley reported an administrative share transaction involving company common stock.

Accepted by SEC EDGAR 03/04/2026 - 06:29 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

Hyliion Holdings Corp. Chief Accounting Officer Greg Standley reported an administrative share transaction involving company common stock. On this event, 7,411 shares of common stock were sold at $2.04 per share to cover his tax withholding obligations under the company’s award agreement. According to the terms described, the decision to sell shares for this purpose was made at the sole discretion of the issuer, not the executive. Following this transaction, Standley directly holds 261,280 shares of Hyliion common stock.

Insider Trade Summary

Other: 7,411 shares

Other 1 txn

Insider Standley Greg

Role Chief Accounting Officer.

Type	Security	Shares	Price	Value
Other	Common Stock	7,411	$2.04	$15K

Holdings After Transaction: Common Stock — 261,280 shares (Direct)

Footnotes (1)

1. F1. These shares were sold at the direction of the issuer under the terms of the issuer's award agreement with the reporting person. Under the award agreement, the decision to sell shares to cover the reporting person's tax withholding obligations is at the sole discretion of the issuer.

FAQ

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

What insider transaction did Hyliion (HYLN) report for Greg Standley?

Hyliion reported that Chief Accounting Officer Greg Standley had 7,411 shares of common stock sold at $2.04 per share. The sale was executed to cover his tax withholding obligations under the company’s award agreement and was directed at the issuer’s discretion.

How many Hyliion (HYLN) shares were involved in Greg Standley’s Form 4?

The Form 4 shows 7,411 shares of Hyliion common stock involved in the reported transaction. These shares were sold to satisfy tax withholding obligations arising from an award agreement, with the decision to sell made solely by the issuer, not the executive.

What price per share was reported in the Hyliion (HYLN) Form 4 for Greg Standley?

The Form 4 reports a transaction price of $2.04 per share for Hyliion common stock. This price applied to 7,411 shares sold to cover tax withholding obligations under the company’s award agreement with Chief Accounting Officer Greg Standley.

Why were Greg Standley’s Hyliion (HYLN) shares sold in this Form 4 filing?

The shares were sold to cover Chief Accounting Officer Greg Standley’s tax withholding obligations related to an award agreement. The filing notes that under the agreement, the issuer alone decides whether to sell shares to satisfy these tax obligations on the executive’s behalf.

How many Hyliion (HYLN) shares does Greg Standley own after this transaction?

After the reported transaction, Greg Standley directly owns 261,280 shares of Hyliion common stock. This post-transaction holding reflects his remaining direct ownership following the sale of 7,411 shares to cover tax withholding obligations under the company’s award agreement.

Did Greg Standley personally direct the sale of Hyliion (HYLN) shares in this Form 4?

According to the disclosure, the sale was made at the direction of the issuer, not by Greg Standley personally. Under the award agreement, the issuer has sole discretion to sell shares to cover the reporting person’s tax withholding obligations arising from the equity award.

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

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SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Standley Greg

(Last) (First) (Middle)

C/O HYLIION HOLDING CORP.

1202 BMC DRIVE, SUITE 100

(Street)

CEDAR PARK TX 78613

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Hyliion Holdings Corp. [ HYLN ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Accounting Officer.

3. Date of Earliest Transaction (Month/Day/Year)
03/03/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	03/03/2026		J(1)		7,411	D	$2.04	261,280	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. These shares were sold at the direction of the issuer under the terms of the issuer's award agreement with the reporting person. Under the award agreement, the decision to sell shares to cover the reporting person's tax withholding obligations is at the sole discretion of the issuer.

Remarks:

	/s/ Greg Standley	03/04/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.