Hyliion Holdings (HYLN) legal chief has shares sold for tax

Rhea-AI Filing Summary

Hyliion Holdings Corp. insider Jose Miguel Oxholm, the Chief Legal & Compliance Officer, reported an award-related share transaction. On March 3, 2026, 24,900 shares of common stock were sold at $2.04 per share to cover his tax withholding obligations under an award agreement, at the issuer’s sole discretion. After this transaction, he held 823,370 common shares directly.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Oxholm Jose Miguel

Role Chief Legal&Compliance Officer

Type	Security	Shares	Price	Value
Other	Common Stock	24,900	$2.04	$51K

Holdings After Transaction: Common Stock — 823,370 shares (Direct)

Footnotes (1)

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Form 4 Insider Transactions: What Each Field Means →

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^*

Oxholm Jose Miguel

(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 Legal&Compliance 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)		24,900	D	$2.04	823,370	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/ Jose Miguel Oxholm	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.

FAQ

What insider transaction did Hyliion (HYLN) report for Jose Miguel Oxholm?

Hyliion reported that Jose Miguel Oxholm had 24,900 common shares sold at $2.04 each. The sale was executed under an award agreement to cover his tax withholding obligations, with the decision made at the issuer’s sole discretion.

Was the Hyliion (HYLN) insider sale by Jose Miguel Oxholm open-market?

The sale was not a discretionary open-market trade by Jose Miguel Oxholm. Shares were sold at the issuer’s direction under an award agreement specifically to satisfy his tax withholding obligations related to equity compensation.

How many Hyliion (HYLN) shares does Jose Miguel Oxholm hold after the transaction?

After the award-related tax withholding sale, Jose Miguel Oxholm directly holds 823,370 shares of Hyliion common stock. This figure reflects his ownership following the sale of 24,900 shares executed on March 3, 2026.

What was the price of the Hyliion (HYLN) insider tax withholding share sale?

The 24,900 Hyliion common shares tied to Jose Miguel Oxholm’s tax withholding obligations were sold at a price of $2.04 per share. This price applied to the transaction executed under the terms of the issuer’s award agreement.

What does transaction code J mean in the Hyliion (HYLN) Form 4 filing?

In this Form 4, transaction code J indicates an “other acquisition or disposition” of Hyliion shares. Here, it reflects shares sold at the issuer’s direction to cover Jose Miguel Oxholm’s tax withholding obligations under an equity award agreement.