Hyliion officer gifts 50,000 shares of stock

Hyliion’s Chief Legal & Compliance Officer made a bona fide charitable gift of 50,000 company shares and still directly holds 749,814 shares.

Rhea-AI Filing Summary

Hyliion Holdings Corp. (HYLN) reported that its Chief Legal & Compliance Officer, Jose Miguel Oxholm, made a charitable transfer of company stock. On September 21, 2026, he made a bona fide, irrevocable gift of 50,000 shares of Hyliion common stock, receiving no consideration and retaining no pecuniary interest in the donated shares.

After this gift, he continues to hold 749,814 shares of Hyliion common stock directly.

Insider Trade Summary

50,000 shares gifted

Gift 1 txn

Insider Oxholm Jose Miguel

Role Chief Legal&Compliance Officer

Type	Security	Shares	Price	Value
Gift	Common Stock F1	50,000	$0.00	$0.00

Holdings After Transaction: Common Stock — 749,814 shares (Direct)

Footnotes (1)

1. F1. Represents a bona fide, irrevocable gift of 50,000 shares of the Issuer's common stock to a donor-advised fund sponsored by Fidelity Investments Charitable Gift Fund. The Reporting Person received no consideration for the gift and retains no pecuniary interest in the donated shares.

Key Figures

Shares gifted: 50,000 shares Price per share for gift: $0.00 per share Shares held after transaction: 749,814 shares +1 more

4 metrics

Shares gifted 50,000 shares Bona fide gift of Hyliion common stock on September 21, 2026

Price per share for gift $0.00 per share Reported transaction price for the gifted shares

Shares held after transaction 749,814 shares Direct Hyliion common stock holdings after the gift

Total gift transactions 1 gift, 50,000 shares Summary of gift activity in this Form 4

Key Terms

bona fide gift, donor-advised fund, pecuniary interest

3 terms

bona fide gift financial

"Represents a bona fide, irrevocable gift of 50,000 shares"

A bona fide gift is a genuine, voluntary transfer of money, property, or benefits from one party to another made without expectation of repayment, services, or hidden conditions. Investors care because such gifts can affect company disclosures, related‑party transaction rules, tax treatment, and perceived conflicts of interest; think of it like someone giving you a present with no strings attached — but on a corporate scale, auditors and regulators need to verify it really is unconditional.

donor-advised fund financial

"gift of 50,000 shares ... to a donor-advised fund"

A donor-advised fund is a charitable giving account that lets an individual or family deposit cash, stock, or other assets now, get an immediate tax benefit, and then recommend grants to charities over time. Think of it like a private charitable bucket you control without running a charity yourself; investors care because it’s a tax-efficient way to give appreciated securities, can change when and how donated shares enter the market, and affects personal and corporate tax planning.

pecuniary interest financial

"retains no pecuniary interest in the donated shares"

FAQ

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

What insider transaction did Hyliion (HYLN) disclose in this Form 4?

Hyliion disclosed that Chief Legal & Compliance Officer Jose Miguel Oxholm made a bona fide, irrevocable gift of 50,000 common shares on September 21, 2026, to a donor-advised fund. He received no consideration and retains no pecuniary interest in those shares.

How many Hyliion (HYLN) shares did the officer hold after the gift?

Following the gift, Jose Miguel Oxholm directly held 749,814 shares of Hyliion common stock. This post-transaction position is reported as his total direct holdings after the September 21, 2026 gift.

Was the Hyliion (HYLN) share transfer a sale or a gift?

The transfer was reported as a bona fide gift, not a sale. The 50,000 Hyliion common shares were donated to a donor-advised fund, and the reporting person received no consideration in return.

Who received the 50,000 gifted Hyliion (HYLN) shares?

The 50,000 Hyliion common shares were gifted to a donor-advised fund sponsored by Fidelity Investments Charitable Gift Fund. The reporting person retains no pecuniary interest in these donated shares.

Did the insider retain any pecuniary interest in the gifted Hyliion (HYLN) shares?

No. The filing states that the reporting person retains no pecuniary interest in the 50,000 Hyliion shares gifted to the donor-advised fund and received no consideration for the transfer.

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

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Available on EDGAR 09/22/2026 - 04:40 PM Accepted by SEC EDGAR 09/22/2026 - 04:38 PM Learn about SEC filing dates

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 TEXAS 78613

(City) (State) (Zip)

UNITED STATES

(Country)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/21/2026

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

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

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

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	09/21/2026		G(1)		50,000	D	$0	749,814	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. Represents a bona fide, irrevocable gift of 50,000 shares of the Issuer's common stock to a donor-advised fund sponsored by Fidelity Investments Charitable Gift Fund. The Reporting Person received no consideration for the gift and retains no pecuniary interest in the donated shares.

Remarks:

	/s/ Jose Miguel Oxholm	09/22/2026
	** 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.
* Form 4: SEC 1474 (03-26)