[Form 4] Power Solutions International, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Power Solutions International insider sale: CEO Constantine Xykis reported a sale of 7,854 shares of Power Solutions International (PSIX) on 09/09/2025. The filing shows the shares were sold at an average price of $91.313, with individual trades in a range from $91.10 to $91.84, implying aggregate proceeds of roughly $717,000. After the reported disposition, the filing lists 0 shares as beneficially owned following the transaction. The Form 4 is signed and dated 09/11/2025, and includes a footnote disclosing the per-trade price range and an offer to provide detailed per-trade quantities on request.

Positive

• Timely and complete disclosure of the insider sale including signature and footnote explaining the price range
• Footnote commitment to provide per-trade quantities supports transparency for investors and regulators

Negative

• Insider disposition of 7,854 shares by the CEO, which yielded roughly $717,000 in proceeds
• Post-transaction beneficial ownership reported as 0, indicating no direct holdings reported on this Form 4

Insights

Securities Analyst

TL;DR: CEO sold 7,854 shares at ~ $91.31, generating roughly $717k; filing is timely and discloses per-trade price range.

This Form 4 shows a straightforward, reported open-market disposition by the company's CEO. The filing is compliant with Section 16 disclosure rules and includes a footnote clarifying that the reported price is an average from multiple trades priced between $91.10 and $91.84. The disclosed post-transaction beneficial ownership of 0 shares indicates no remaining direct holdings reported on this form. For investors, an insider sale of this size is a data point but, by itself, does not establish company performance or intent.

Corporate Governance Expert

TL;DR: The CEO's sale appears properly documented; disclosure of per-trade ranges supports transparency.

The report reflects adherence to disclosure requirements: the transaction date, aggregate average price, price range footnote, signature and filing date are provided. The offer to supply specifics on quantities at each price enhances transparency for regulators and shareholders. Absent additional context (e.g., planned 10b5-1 plan or reasons for sale), this is a routine insider disposition rather than a material governance event.

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^*

Xykis Constantine

(Last) (First) (Middle)

C/O 201 MITTEL DRIVE

(Street)

WOOD DALE IL 60191

(City) (State) (Zip)

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)
	CEO

3. Date of Earliest Transaction (Month/Day/Year)
09/09/2025

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	09/09/2025		S		7,854	D	$91.313(1)	0	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. The price reported in Column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $91.10 to $91.84. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

	/s/ Constatine Xykis	09/11/2025
	** 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 did PSIX CEO Constantine Xykis disclose on Form 4?

The CEO disclosed a sale of 7,854 shares of PSIX on 09/09/2025 at an average price of $91.313, with a disclosed price range of $91.10 to $91.84.

How much did the PSIX insider sale likely generate?

Based on the average price, the sale generated approximately $717,000 in aggregate proceeds.

Does the Form 4 show remaining insider ownership for PSIX after the sale?

The filing reports 0 shares beneficially owned following the reported transaction(s) on this Form 4.

Is additional detail about the trades available from the filer?

Yes. The footnote states the filer will provide, upon request, the number of shares sold at each separate price within the stated range.

When was the Form 4 signed and filed?

The Form 4 bears the reporting person's signature dated 09/11/2025 and reports the transaction date as 09/09/2025.