Power Solutions (PSIX) Insider Files Sale of 4,000 Vested Shares

Rhea-AI Filing Summary

Form 144 filing for Power Solutions International, Inc. (PSIX) reports a proposed sale of 4,000 common shares by a holder whose broker is Morgan Stanley Smith Barney LLC, with an aggregate market value of $365,773.85 and an approximate sale date of 09/09/2025 on NASDAQ. The shares were acquired on 07/10/2024 through restricted stock vesting under a registered plan and were received as compensation. The filing discloses two recent sales by the same person: 2,500 shares sold on 08/13/2025 for $225,065.75 and 1,000 shares sold on 09/08/2025 for $89,000.00. The issuer’s outstanding shares are listed as 23,029,846. The filer certifies they are not aware of undisclosed material adverse information about the issuer.

Positive

• Full acquisition details disclosed: date (07/10/2024), nature (restricted stock vesting) and payment (compensation) are provided
• Broker identified for the proposed sale: Morgan Stanley Smith Barney LLC, improving traceability
• Recent prior sales disclosed (08/13/2025 and 09/08/2025), meeting Rule 144 aggregation transparency

Negative

• Insider selling activity in the prior three months (3,500 shares) plus proposed 4,000-share sale could be perceived negatively by some investors
• No 10b5-1 trading plan date provided on the form, so it is not clear whether the sale is preplanned under an affirmative defense

Insights

Securities Analyst

TL;DR Insider proposes to sell vested compensation shares shortly after prior insider sales; transaction is routine but warrants monitoring.

The filing shows a 4,000-share proposed sale by a holder who received those shares as restricted stock that vested on 07/10/2024 and were granted as compensation. The proposed sale value of $365,773.85 represents approximately 0.017% of the issuer's outstanding common shares (4,000 of 23,029,846), indicating the transaction is immaterial to capitalization but informative about insider liquidity. Two recent sales by the same person (2,500 and 1,000 shares) confirm ongoing disposition activity. No claims of undisclosed adverse information are made in the signature statement. From a market-impact perspective this filing is not materially impactful to the company's valuation but is a relevant disclosure about insider selling.

Corporate Governance Expert

TL;DR Transaction appears compliant with Rule 144 disclosures; insider selling after vesting is common but raises governance transparency points.

The filer identifies the sale broker and provides acquisition details showing the shares resulted from restricted stock vesting under a registered plan and were compensation. Recent aggregated sales in the prior three months are disclosed, satisfying Rule 144 aggregation requirements. There is no statement of a 10b5-1 trading plan date on the form; the signature includes the standard certification about knowledge of material adverse information. For governance review, the filing is procedurally complete but investors may note the pattern of sales when assessing insider alignment.

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	4000	365773.85	23029846	09/09/2025	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	07/10/2024	Restricted stock vesting under a registered plan	Issuer			4000	07/10/2024	Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
HONG HE 201 Mittel Drive Wood Dale IL 60191	Common	09/08/2025	1000	89000.00
HONG HE 201 Mittel Drive Wood Dale IL 60191	Common	08/13/2025	2500	225065.75

144: Remarks and Signature

Remarks

Date of Notice

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does the PSIX Form 144 disclose about the proposed sale?

The form discloses a proposed sale of 4,000 common shares with an aggregate market value of $365,773.85, to be sold on 09/09/2025 on NASDAQ via Morgan Stanley Smith Barney LLC.

How and when were the shares being sold acquired according to the filing?

The 4,000 shares were acquired on 07/10/2024 through restricted stock vesting under a registered plan and were paid as compensation.

Has the filer sold other PSIX shares recently?

Yes. The filer reported selling 2,500 shares on 08/13/2025 for $225,065.75 and 1,000 shares on 09/08/2025 for $89,000.00.

What percentage of outstanding shares does the proposed 4,000-share sale represent?

The issuer’s outstanding shares are listed as 23,029,846, so 4,000 shares represent about 0.017% of outstanding common shares.

Does the filing state whether there is undisclosed material adverse information?

The signature includes the standard representation that the filer does not know any material adverse information regarding the issuer that has not been publicly disclosed.