Power Solutions (PSIX) grants CEO 5,867 cash-settled phantom units

Rhea-AI Filing Summary

Hu Nan (Richard) reported acquisition or exercise transactions in this Form 4 filing.

POWER SOLUTIONS INTERNATIONAL, INC. reported that Chief Executive Officer Hu Nan (Richard) received a grant of 5,867 Phantom Stock units on August 17, 2026. Each unit is an unfunded, unsecured right to a cash payment based on the average Fair Market Value of the company’s common stock over the 30 trading days before vesting. One-third of the units vest on each of August 17, 2027, August 17, 2028, and August 17, 2029, subject to his continuous service. The units are settled in cash only and do not provide any common shares or voting rights.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Hu Nan (Richard)

Role Chief Executive Officer

Type	Security	Shares	Price	Value
Grant/Award	Phantom Stock F1	5,867	$0.00	$0.00

Holdings After Transaction: Phantom Stock — 5,867 shares (Direct)

Footnotes (1)

1. F1. Each Phantom Unit represents an unfunded, unsecured right to receive a cash payment equal to the average Fair Market Value per share of the Issuer's Common Stock over the thirty (30) trading days immediately preceding the applicable vesting date. Phantom Units are settled in cash only and do not entitle the Reporting Person to any shares of Common Stock or voting rights. One-third of the Phantom Units vest on each of August 17, 2027, August 17, 2028 and August 17, 2029, subject to the Reporting Person's continuous service with the Issuer or its affiliates.

Key Figures

Phantom Stock units granted: 5,867 Underlying common stock equivalent: 5,867 Vesting tranche 1: 1,956 +3 more

6 metrics

Phantom Stock units granted 5,867 Grant of Phantom Stock units to CEO on August 17, 2026

Underlying common stock equivalent 5,867 Each Phantom Unit corresponds to the value of one share of Common Stock

Vesting tranche 1 1,956 One-third of 5,867 Phantom Units vest on August 17, 2027

Vesting tranche 2 1,956 One-third of 5,867 Phantom Units vest on August 17, 2028

Vesting tranche 3 1,955 Final third of 5,867 Phantom Units vest on August 17, 2029

Settlement type cash only Phantom Units settled in cash and provide no shares or voting rights

Key Terms

Phantom Stock, unfunded, unsecured right, Fair Market Value, vesting date

4 terms

Phantom Stock financial

"Each Phantom Unit represents an unfunded, unsecured right to receive a cash payment"

A phantom stock is a form of compensation that gives employees or executives the benefits of stock ownership, such as the increase in stock value, without actually giving them real shares. It acts like a promise to pay the employee the equivalent value of company stock later, often as a bonus or incentive. This allows companies to motivate and reward staff without diluting ownership or transferring actual shares.

unfunded, unsecured right financial

"Each Phantom Unit represents an unfunded, unsecured right to receive a cash payment"

Fair Market Value financial

"equal to the average Fair Market Value per share of the Issuer's Common Stock"

The price a willing buyer and a willing seller would agree on for an asset or security when neither is under pressure and both have access to the same information. Think of it as the market’s neutral estimate of what something is worth, like the price two neighbors would settle on for a car after comparing similar listings. Investors care because fair market value guides buying and selling decisions, tax reporting, portfolio valuation, and how accurately company assets are reflected in financial statements.

vesting date financial

"over the thirty (30) trading days immediately preceding the applicable vesting date"

FAQ

What compensation did PSIX CEO Hu Nan (Richard) receive in this Form 4 filing?

The CEO received a grant of 5,867 Phantom Stock units. These units provide a future cash payment tied to the company’s stock price performance, rather than immediate stock or voting rights.

How and when do the Phantom Stock units for PSIX CEO vest?

The 5,867 Phantom Stock units vest in three equal installments. One-third vests on August 17, 2027, another third on August 17, 2028, and the final third on August 17, 2029, conditioned on continuous service.

Are PSIX Phantom Stock units settled in shares or cash?

The Phantom Stock units are settled in cash only. Each unit pays cash equal to the average Fair Market Value of PSIX common stock over the 30 trading days immediately before the applicable vesting date.

Do the PSIX Phantom Stock units give the CEO any voting rights or common shares?

No. The filing states the Phantom Units do not entitle the CEO to any shares of Common Stock or voting rights; they are purely a cash-settled compensation arrangement.

What stock price measure determines the cash payout for PSIX Phantom Stock units?

Each Phantom Unit pays cash equal to the average Fair Market Value per share of PSIX common stock over the 30 trading days immediately before the relevant vesting date.

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

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 08/17/2026 - 04:22 PM Accepted by SEC EDGAR 08/17/2026 - 04:22 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^*

Hu Nan (Richard)

(Last) (First) (Middle)

C/O 201 MITTEL DR.

(Street)

WOOD DALE ILLINOIS 60191

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
POWER SOLUTIONS INTERNATIONAL, INC. [ PSIX ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/17/2026

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

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
Phantom Stock	(1)	08/17/2026		A		5,867		(1)	(1)	Common Stock	5,867	$0	5,867	D

Explanation of Responses:

1. Each Phantom Unit represents an unfunded, unsecured right to receive a cash payment equal to the average Fair Market Value per share of the Issuer's Common Stock over the thirty (30) trading days immediately preceding the applicable vesting date. Phantom Units are settled in cash only and do not entitle the Reporting Person to any shares of Common Stock or voting rights. One-third of the Phantom Units vest on each of August 17, 2027, August 17, 2028 and August 17, 2029, subject to the Reporting Person's continuous service with the Issuer or its affiliates.

	/s/Nan Hu	08/17/2026
	** 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)