Hyliion CFO has 13.6K shares sold for taxes

Hyliion Holdings Corp. (HYLN) reported an insider equity transaction by its Chief Financial Officer, Panzer Jon.

Rhea-AI Filing Summary

Hyliion Holdings Corp. (HYLN) reported an insider equity transaction by its Chief Financial Officer, Panzer Jon. On 2026-08-21, 13,595 shares of common stock were disposed of at a price of $3.32 per share in a transaction coded as an "other" disposition. According to the applicable award agreement, these shares were sold at the direction of Hyliion to cover the reporting person’s tax withholding obligations, with the decision to sell at the issuer’s sole discretion. Following this transaction, the CFO directly held 935,480 shares of Hyliion common stock.

Insider Trade Summary

Other: 13,595 shares

Other 1 txn

Insider Panzer Jon

Role Chief Financial Officer

Type	Security	Shares	Price	Value
Other	Common Stock F1	13,595	$3.32	$45K

Holdings After Transaction: Common Stock — 935,480 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.

Key Figures

Common stock disposed: 13,595 shares Transaction price per share: $3.32 per share Shares held after transaction: 935,480 shares

3 metrics

Common stock disposed 13,595 shares Other disposition by CFO on 2026-08-21

Transaction price per share $3.32 per share Price for the 13,595-share disposition

Shares held after transaction 935,480 shares Direct holdings of CFO following the reported transaction

Key Terms

transaction code J, award agreement, tax withholding obligations, beneficial ownership

4 terms

transaction code J regulatory

"transaction code J, described as "Other acquisition or disposition""

award agreement financial

"under the terms of the issuer's award agreement with the reporting person"

An award agreement is a legal contract that spells out the terms of a pay or equity grant—such as stock options, restricted shares, or cash bonuses—given to an employee, director or consultant. It describes what is being granted, any conditions for keeping it (for example, earning it over time or meeting performance targets), and what happens if the person leaves or breaks rules. Investors care because these agreements affect company costs, potential share dilution and how executives are motivated and rewarded.

tax withholding obligations financial

"to cover the reporting person's tax withholding obligations"

beneficial ownership financial

"reporting person’s tax withholding obligations is at the sole discretion of the issuer"

Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.

FAQ

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

What insider transaction did Hyliion Holdings Corp. (HYLN) report for its CFO?

Hyliion reported that CFO Panzer Jon had 13,595 shares of common stock disposed of on 2026-08-21, classified as an "other" disposition under code J, with the sale directed by the issuer to cover tax withholding obligations.

At what price were the disposed Hyliion (HYLN) shares transacted?

The 13,595 Hyliion common shares associated with the CFO’s transaction were executed at $3.32 per share, as reported in the Form 4 filing.

How many Hyliion (HYLN) shares does the CFO hold after this Form 4 transaction?

After the reported transaction, CFO Panzer Jon directly held 935,480 shares of Hyliion Holdings Corp. common stock.

Was the Hyliion (HYLN) CFO’s share disposition a discretionary sale?

The filing states the shares were sold at the direction of the issuer under the award agreement, solely to cover the reporting person’s tax withholding obligations, indicating the issuer, not the CFO, decided to sell the shares for this purpose.

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

In this Hyliion Form 4, transaction code J is described as an "Other acquisition or disposition". The footnote explains this specific J-coded transaction was a sale directed by the issuer to cover tax withholding obligations under an award agreement.

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

Form 4 Insider Transactions: What Each Field Means →

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Available on EDGAR 08/21/2026 - 04:51 PM EDT Accepted by SEC EDGAR 08/21/2026 - 04:50 PM EDT 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^*

Panzer Jon

(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 Financial Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/21/2026

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	08/21/2026		J(1)		13,595	D	$3.32	935,480	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/ Jon Panzer	08/21/2026
	** 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)