Hyliion CCO has 6.7K shares sold for taxes

Hyliion Holdings Corp. (HYLN) reported an insider transaction by Chief Commercial Officer Ramasamy Govindaraj.

Rhea-AI Filing Summary

Hyliion Holdings Corp. (HYLN) reported an insider transaction by Chief Commercial Officer Ramasamy Govindaraj. On 2026-08-21, he disposed of 6,670 shares of common stock at $3.37 per share. According to the award agreement, these shares were sold at the issuer’s direction to cover his tax withholding obligations. Following this transaction, he directly holds 593,920 shares of Hyliion common stock.

Insider Trade Summary

Other: 6,670 shares

Other 1 txn

Insider RAMASAMY GOVINDARAJ

Role Chief Commercial Officer

Type	Security	Shares	Price	Value
Other	Common Stock F1	6,670	$3.37	$22K

Holdings After Transaction: Common Stock — 593,920 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

Shares disposed: 6,670 shares of Common Stock Transaction price per share: $3.37 per share Shares owned after transaction: 593,920 shares of Common Stock

3 metrics

Shares disposed 6,670 shares of Common Stock Other disposition (Code J) on 2026-08-21

Transaction price per share $3.37 per share Price for the 6,670 shares disposed

Shares owned after transaction 593,920 shares of Common Stock Direct ownership following the 2026-08-21 transaction

Key Terms

award agreement, tax withholding obligations, Other acquisition or disposition

3 terms

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"

Other acquisition or disposition financial

"transaction_code_description":"Other acquisition or disposition""

FAQ

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

What insider transaction did HYLN report for Ramasamy Govindaraj?

Hyliion reported that Chief Commercial Officer Ramasamy Govindaraj disposed of 6,670 shares of common stock on 2026-08-21 at $3.37 per share, in a transaction coded as an “Other acquisition or disposition” (Code J).

Why were Ramasamy Govindaraj’s HYLN shares sold in this Form 4 filing?

The 6,670 shares were sold at the direction of Hyliion under the terms of its award agreement with Ramasamy Govindaraj, in order to cover his tax withholding obligations. The issuer had sole discretion to decide to sell shares for this purpose.

What price was received for the HYLN shares sold by Ramasamy Govindaraj?

The reported transaction price was $3.37 per share for the 6,670 Hyliion common shares disposed of on 2026-08-21.

How many HYLN shares does Ramasamy Govindaraj own after this transaction?

After the reported disposition of 6,670 shares, Chief Commercial Officer Ramasamy Govindaraj directly holds 593,920 shares of Hyliion common stock.

Was the HYLN insider transaction under a Rule 10b5-1 trading plan?

The filing indicates the Rule 10b5-1 checkbox is not affirmed (aff_10b5_one is false), and the footnote describes the sale as occurring under the issuer’s award agreement to cover tax withholding obligations.

What does transaction code J mean in the HYLN Form 4?

Transaction code J represents an “Other acquisition or disposition”. In this case, it reflects shares of Hyliion common stock sold at the issuer’s direction to satisfy tax withholding obligations under an award agreement.

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

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Accepted by SEC EDGAR 08/21/2026 - 04:51 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^*

RAMASAMY GOVINDARAJ

(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 Commercial 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)		6,670	D	$3.37	593,920	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/ Govindaraj Ramasamy	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)