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

Filing Impact
(High)
Filing Sentiment
(Negative)
Form Type
4
Rhea-AI Filing Summary

Power Solutions International (PSIX) reporting persons Weichai America Corp., Weichai Power Co., Ltd. and Shandong Heavy Industry Group Co., Ltd. disclosed insider sales on 08/21/2025 under Rule 144. The filings show four broker-dealer sales totaling 42,314 shares disposed at weighted-average prices of $80.4063, $81.7006, $82.4634 and $83.2568, with reported execution price ranges from about $80.00 to $83.64. After these transactions the Reporting Persons beneficially own 10,948,835 shares indirectly. The report is filed jointly and includes powers of attorney referenced to prior Form 4 exhibits.

Power Solutions International (PSIX) 鈥� le persone che hanno effettuato la comunicazione, Weichai America Corp., Weichai Power Co., Ltd. e Shandong Heavy Industry Group Co., Ltd., hanno reso note vendite di insider in data 08/21/2025 ai sensi della Rule 144. Le comunicazioni indicano quattro operazioni tramite broker-dealer per un totale di 42.314 azioni vendute a prezzi medi ponderati di $80.4063, $81.7006, $82.4634 e $83.2568, con prezzi di esecuzione riportati compresi approssimativamente tra $80.00 e $83.64. Dopo tali transazioni le persone che hanno presentato la comunicazione detengono indirettamente 10.948.835 azioni. Il report 猫 presentato congiuntamente e include procure riferite a precedenti allegati del Modulo 4.

Power Solutions International (PSIX) 鈥� las personas informantes Weichai America Corp., Weichai Power Co., Ltd. y Shandong Heavy Industry Group Co., Ltd. revelaron ventas de insiders el 08/21/2025 bajo la Rule 144. Los archivos muestran cuatro ventas a trav茅s de brokers por un total de 42.314 acciones dispuestas a precios promedio ponderados de $80.4063, $81.7006, $82.4634 y $83.2568, con rangos de precio de ejecuci贸n reportados de aproximadamente $80.00 a $83.64. Tras estas transacciones, las Personas Informantes poseen indirectamente 10.948.835 acciones. El informe se presenta de forma conjunta e incluye poderes otorgados referidos a anexos previos del Formulario 4.

Power Solutions International (PSIX) 鈥� 鞁犼碃鞚胳澑 Weichai America Corp., Weichai Power Co., Ltd. 氚� Shandong Heavy Industry Group Co., Ltd.電� 2025-08-21鞐� Rule 144鞐� 霐半ジ 雮措秬鞛� 毵る弰毳� 瓿奠嫓頄堨姷雼堧嫟. 鞝滌稖 鞛愲鞐� 霐半ゴ氅� 齑� 42,314欤�毳� 雱� 瓯挫潣 敫岆旎る敎霟� 毵る弰搿� 觳橂秳頄堨溂氅� 臧�欷戫弶攴犼皜瓴╈潃 臧侁皝 $80.4063, $81.7006, $82.4634, $83.2568鞚搓碃, 氤搓碃霅� 觳搓舶 臧�瓴� 氩旍渼電� 雽�霝� $80.00鞐愳劀 $83.64鞛呺媹雼�. 鞚� 瓯半灅 鞚错泟 鞁犼碃鞚鸽摛鞚� 臧勳爲鞝侅溂搿� 10,948,835欤�毳� 氤挫湢頃橁矊 霅╇媹雼�. 頃措嫻 氤搓碃靹滊姅 瓿惦彊鞙茧 鞝滌稖霅橃棃鞙茧┌ 鞚挫爠 Form 4 攵�靻嶌劀鞐� 鞏戈笁霅� 鞙勳瀯鞛レ潉 韽暔頃橁碃 鞛堨姷雼堧嫟.

Power Solutions International (PSIX) 鈥� les personnes d茅clarante Weichai America Corp., Weichai Power Co., Ltd. et Shandong Heavy Industry Group Co., Ltd. ont divulgu茅 des ventes d'initi茅s le 21/08/2025 en vertu de la Rule 144. Les d茅p么ts indiquent quatre ventes effectu茅es par des courtiers pour un total de 42 314 actions c茅d茅es 脿 des prix moyens pond茅r茅s de $80.4063, $81.7006, $82.4634 et $83.2568, avec des fourchettes de prix d'ex茅cution rapport茅es d'environ $80.00 脿 $83.64. Apr猫s ces op茅rations, les personnes d茅clarante d茅tiennent indirectement 10 948 835 actions. Le rapport est d茅pos茅 conjointement et inclut des procurations renvoyant 脿 des annexes ant茅rieures du Formulaire 4.

Power Solutions International (PSIX) 鈥� die meldenden Personen Weichai America Corp., Weichai Power Co., Ltd. und Shandong Heavy Industry Group Co., Ltd. haben Insiderverk盲ufe am 21.08.2025 gem盲脽 Rule 144 offengelegt. Die Meldungen zeigen vier Broker-Dealer-Verk盲ufe mit insgesamt 42.314 Aktien, ver盲u脽ert zu gewichteten Durchschnittspreisen von $80.4063, $81.7006, $82.4634 und $83.2568, wobei die gemeldeten Ausf眉hrungspreisspannen ungef盲hr zwischen $80.00 und $83.64 liegen. Nach diesen Transaktionen besitzen die meldenden Personen indirekt 10.948.835 Aktien. Der Bericht wurde gemeinsam eingereicht und enth盲lt Vollmachten, die auf vorherige Form鈥�4鈥慉nh盲nge verweisen.

Positive
  • Transparent disclosure of transaction details including weighted-average prices and price ranges for each tranche
  • Procedural compliance indicated by signatures and referenced powers of attorney incorporated from prior Form 4 filings
  • Use of Rule 144 broker-dealer sales which are documented as the execution method
Negative
  • Insiders sold 42,314 shares, which reduces their aggregate indirect stake to 10,948,835 shares
  • Sales executed across multiple price bands, which may complicate simple price-point interpretation of insider intent

Insights

TL;DR: Joint insiders sold 42,314 PSIX shares via Rule 144 sales at ~ $80鈥�$83, reducing indirect holdings to 10.95M shares.

The transactions are routine broker-dealer sales executed under Rule 144, indicating disposition of a modest block relative to reported post-sale holdings of 10.95 million shares. The weighted-average prices reported across multiple tranches ranged from $80.41 to $83.26, with disclosed price bands for each tranche. This filing provides transparent detail on execution prices and confirms joint reporting by three related entities, enabling investors to track insider ownership changes precisely.

TL;DR: Joint filing shows compliant, authorized sales by corporate reporting persons; signatures and POAs are referenced.

The Form 4 includes signatures from authorized representatives and cites incorporated powers of attorney from earlier filings, indicating procedural compliance with Section 16 reporting. Sales were executed through broker-dealers and footnotes supply detailed price ranges, which supports traceability. The filing notes indirect ownership and shared voting/disposition power rather than individual beneficial ownership, a relevant governance detail for assessing control structure.

Power Solutions International (PSIX) 鈥� le persone che hanno effettuato la comunicazione, Weichai America Corp., Weichai Power Co., Ltd. e Shandong Heavy Industry Group Co., Ltd., hanno reso note vendite di insider in data 08/21/2025 ai sensi della Rule 144. Le comunicazioni indicano quattro operazioni tramite broker-dealer per un totale di 42.314 azioni vendute a prezzi medi ponderati di $80.4063, $81.7006, $82.4634 e $83.2568, con prezzi di esecuzione riportati compresi approssimativamente tra $80.00 e $83.64. Dopo tali transazioni le persone che hanno presentato la comunicazione detengono indirettamente 10.948.835 azioni. Il report 猫 presentato congiuntamente e include procure riferite a precedenti allegati del Modulo 4.

Power Solutions International (PSIX) 鈥� las personas informantes Weichai America Corp., Weichai Power Co., Ltd. y Shandong Heavy Industry Group Co., Ltd. revelaron ventas de insiders el 08/21/2025 bajo la Rule 144. Los archivos muestran cuatro ventas a trav茅s de brokers por un total de 42.314 acciones dispuestas a precios promedio ponderados de $80.4063, $81.7006, $82.4634 y $83.2568, con rangos de precio de ejecuci贸n reportados de aproximadamente $80.00 a $83.64. Tras estas transacciones, las Personas Informantes poseen indirectamente 10.948.835 acciones. El informe se presenta de forma conjunta e incluye poderes otorgados referidos a anexos previos del Formulario 4.

Power Solutions International (PSIX) 鈥� 鞁犼碃鞚胳澑 Weichai America Corp., Weichai Power Co., Ltd. 氚� Shandong Heavy Industry Group Co., Ltd.電� 2025-08-21鞐� Rule 144鞐� 霐半ジ 雮措秬鞛� 毵る弰毳� 瓿奠嫓頄堨姷雼堧嫟. 鞝滌稖 鞛愲鞐� 霐半ゴ氅� 齑� 42,314欤�毳� 雱� 瓯挫潣 敫岆旎る敎霟� 毵る弰搿� 觳橂秳頄堨溂氅� 臧�欷戫弶攴犼皜瓴╈潃 臧侁皝 $80.4063, $81.7006, $82.4634, $83.2568鞚搓碃, 氤搓碃霅� 觳搓舶 臧�瓴� 氩旍渼電� 雽�霝� $80.00鞐愳劀 $83.64鞛呺媹雼�. 鞚� 瓯半灅 鞚错泟 鞁犼碃鞚鸽摛鞚� 臧勳爲鞝侅溂搿� 10,948,835欤�毳� 氤挫湢頃橁矊 霅╇媹雼�. 頃措嫻 氤搓碃靹滊姅 瓿惦彊鞙茧 鞝滌稖霅橃棃鞙茧┌ 鞚挫爠 Form 4 攵�靻嶌劀鞐� 鞏戈笁霅� 鞙勳瀯鞛レ潉 韽暔頃橁碃 鞛堨姷雼堧嫟.

Power Solutions International (PSIX) 鈥� les personnes d茅clarante Weichai America Corp., Weichai Power Co., Ltd. et Shandong Heavy Industry Group Co., Ltd. ont divulgu茅 des ventes d'initi茅s le 21/08/2025 en vertu de la Rule 144. Les d茅p么ts indiquent quatre ventes effectu茅es par des courtiers pour un total de 42 314 actions c茅d茅es 脿 des prix moyens pond茅r茅s de $80.4063, $81.7006, $82.4634 et $83.2568, avec des fourchettes de prix d'ex茅cution rapport茅es d'environ $80.00 脿 $83.64. Apr猫s ces op茅rations, les personnes d茅clarante d茅tiennent indirectement 10 948 835 actions. Le rapport est d茅pos茅 conjointement et inclut des procurations renvoyant 脿 des annexes ant茅rieures du Formulaire 4.

Power Solutions International (PSIX) 鈥� die meldenden Personen Weichai America Corp., Weichai Power Co., Ltd. und Shandong Heavy Industry Group Co., Ltd. haben Insiderverk盲ufe am 21.08.2025 gem盲脽 Rule 144 offengelegt. Die Meldungen zeigen vier Broker-Dealer-Verk盲ufe mit insgesamt 42.314 Aktien, ver盲u脽ert zu gewichteten Durchschnittspreisen von $80.4063, $81.7006, $82.4634 und $83.2568, wobei die gemeldeten Ausf眉hrungspreisspannen ungef盲hr zwischen $80.00 und $83.64 liegen. Nach diesen Transaktionen besitzen die meldenden Personen indirekt 10.948.835 Aktien. Der Bericht wurde gemeinsam eingereicht und enth盲lt Vollmachten, die auf vorherige Form鈥�4鈥慉nh盲nge verweisen.

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*
Weichai America Corp.
(Last) (First) (Middle)
3100 GOLF ROAD
(Street)
ROLLING MEADOWS IL 60008
(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 X 10% Owner
Officer (give title below) Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
08/21/2025
4. If Amendment, Date of Original Filed (Month/Day/Year)
 6. Individual or Joint/Group Filing (Check Applicable Line)
Form filed by One Reporting Person
X 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 08/21/2025 S(1) 2,647 D $80.4063(2) 10,988,502 I See Explanation of Responses(6)
Common Stock 08/21/2025 S(1) 11,512 D $81.7006(3) 10,976,990 I See Explanation of Responses(6)
Common Stock 08/21/2025 S(1) 20,729 D $82.4634(4) 10,956,261 I See Explanation of Responses(6)
Common Stock 08/21/2025 S(1) 7,426 D $83.2568(5) 10,948,835 I See Explanation of Responses(6)
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
1. Name and Address of Reporting Person*
Weichai America Corp.
(Last) (First) (Middle)
3100 GOLF ROAD
(Street)
ROLLING MEADOWS IL 60008
(City) (State) (Zip)
Relationship of Reporting Person(s) to Issuer
Director X 10% Owner
Officer (give title below) Other (specify below)
1. Name and Address of Reporting Person*
Weichai Power Co., Ltd.
(Last) (First) (Middle)
SECTION A 197, FU SHOU EAST STREET
HIGH-TECH INDUSTRIAL DEV. ZONE
(Street)
WEIFANG, SHANDONG PROVINCE F4 261061
(City) (State) (Zip)
Relationship of Reporting Person(s) to Issuer
Director X 10% Owner
Officer (give title below) Other (specify below)
1. Name and Address of Reporting Person*
Shandong Heavy Industry Group Co., Ltd.
(Last) (First) (Middle)
#40-1 YANZI SHAN WEST ROAD
(Street)
JINAN, SHANDONG PROVINCE F4 250014
(City) (State) (Zip)
Relationship of Reporting Person(s) to Issuer
Director X 10% Owner
Officer (give title below) Other (specify below)
Explanation of Responses:
1. These transactions occurred pursuant to broker-dealer sales conducted in accordance with Rule 144 under the Securities Act of 1933, as amended.
2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $80.00 to $80.9965, inclusive. The Reporting Persons (as defined below) undertake 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 of Common Stock sold at each separate price within the range set forth in this footnote.
3. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $81.0056 to $81.99, inclusive. The Reporting Persons (as defined below) undertake 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 of Common Stock sold at each separate price within the range set forth in this footnote.
4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $82.00 to $82.99, inclusive. The Reporting Persons (as defined below) undertake 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 of Common Stock sold at each separate price within the range set forth in this footnote.
5. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $83.005 to $83.64, inclusive. The Reporting Persons (as defined below) undertake 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 of Common Stock sold at each separate price within the range set forth in this footnote.
6. This report is filed jointly by Weichai America Corp., Weichai Power Co., Ltd. and Shandong Heavy Industry Group Co., Ltd. (collectively, the "Reporting Persons"). Weichai America Corp. is the direct owner of the Common Stock referenced in this report and shares the power to vote and the power to dispose of all of such shares of Common Stock with the other Reporting Persons. No individual has beneficial ownership over the Common Stock beneficially owned by the Reporting Persons.
Remarks:
Exhibit List: Exhibit 24.1 - Power of Attorney (Weichai Power Co., Ltd.), incorporated by reference to Exhibit 24.1 to the Form 4 filed by Reporting Persons with the Securities and Exchange Commission on August 14, 2025 Exhibit 24.2 - Power of Attorney (Shandong Heavy Industry Group Co., Ltd.), incorporated by reference to Exhibit 24.2 to the Form 4 filed by Reporting Persons with the Securities and Exchange Commission on August 14, 2025
/s/ Jinguang Liu (aka Jin Liu), Chief Financial Officer, Weichai America Corp. 08/25/2025
/s/ Chenglong Sun, Authorized Representative, Weichai Power Co., Ltd. 08/25/2025
/s/ Chenglong Sun, Authorized Representative, Shandong Heavy Industry Group Co., Ltd. 08/25/2025
** 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.

Source:

FAQ

What did PSIX reporting persons sell on 08/21/2025?

They sold a total of 42,314 shares of PSIX common stock in multiple broker-dealer transactions conducted under Rule 144.

At what prices were the PSIX shares sold?

Weighted-average prices reported were $80.4063, $81.7006, $82.4634 and $83.2568, with execution ranges from about $80.00 to $83.64.

How many PSIX shares do the reporting persons own after the sales?

Following the reported transactions the Reporting Persons beneficially own 10,948,835 shares indirectly.

Who filed the Form 4 for these PSIX transactions?

The report was filed jointly by Weichai America Corp., Weichai Power Co., Ltd. and Shandong Heavy Industry Group Co., Ltd. with authorized signatures dated 08/25/2025.

Were the sales authorized and compliant with reporting rules?

Yes, the filing states the transactions occurred pursuant to broker-dealer sales under Rule 144 and references powers of attorney incorporated from prior Form 4 exhibits.
Stock PSIX logo
Power Solutions Intl Inc

NASDAQ:PSIX

PSIX Rankings

#2051 Ranked by Market Cap
N/A Ranked by Dividends

PSIX Latest News

Aug 27, 2025
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Aug 7, 2025
Power Solutions International Announces Record Second Quarter 2025 Financial Results
Jun 9, 2025
Power Solutions International Set to Join Russell 3000庐, Russell 2000庐, and Russell Microcap庐 Indexes
May 8, 2025
Power Solutions International Announces Strong First Quarter 2025 Financial Results

PSIX Latest SEC Filings

Aug 27, 2025
[Form 4] Power Solutions International, Inc. Insider Trading Activity
Aug 27, 2025
[Form 4] Power Solutions International, Inc. Insider Trading Activity
Aug 27, 2025
[Form 4] Power Solutions International, Inc. Insider Trading Activity
Aug 26, 2025
[Form 4] Power Solutions International, Inc. Insider Trading Activity
Aug 25, 2025
[SCHEDULE 13D/A] Power Solutions International, Inc. SEC Filing

PSIX Stock Data

2.04B
7.60M
67.22%
14.99%
2.08%
Specialty Industrial Machinery
Engines & Turbines
United States
WOOD DALE