Overview
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- TickerPSIX on Nasdaq2
- IndustryEngines & Turbines2
- HeadquartersWood Dale, United States2
- Incorporated inIL3
- Business address201 Mittel Drive, Wood Dale, Il 601913
- Filer categoryLarge accelerated filer3
- Legal formCorporation2
- LEI549300JWGWDXC70SNH312
- StatusActive2
- LEI statusLapsed (not renewed)2
- Registered addressC/O THE CORPORATION TRUST COMPANY, 19801 Wilmington, United States2
- Registered withDivision of Corporations, Department of State, 49584642
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Power Solutions International, Inc., incorporated under the laws of the state of Delaware in 2011, designs, engineers, manufactures, markets and sells a broad range of advanced, emission-certified engines and power systems that are powered by a wide variety of clean, alternative fuels, including natural gas, propane, and biofuels, as well as gasoline and diesel options, within the power systems, industrial and transportation end markets. The Company manages the business as a single reportable segment.4 From its latest annual report
Financials
From the company’s reports to the SEC. Every number links to the filing it came from.
Key numbers, fiscal 2025
25.6%Gross margin5
15.2%Operating margin5
15.8%Net margin5
51.8%Revenue growth, 20255
63.8%Return on equity5
0.00×Debt to equity5
What sells
Revenue by product, business segment and region, as the company reports it to the SEC.
Products and services
Energy End Market brought in 81% of the revenue POWER SOLUTIONS INTERNATIONAL, INC. broke down this way in fiscal 2025.
Products and services by year
| Products and services | 2024 | 2025 |
|---|---|---|
| Energy End Market | $325.7M | $586.3M |
| Industrial End Market | $123.3M | $114.8M |
| Transportation End Market | $26.9M | $21.3M |
Regions
United States brought in 93% of the revenue POWER SOLUTIONS INTERNATIONAL, INC. broke down this way in fiscal 2025.
Regions by year
| Regions | 2024 | 2025 |
|---|---|---|
| United States | $419.7M | $675.2M |
| Pacific Rim | $24.7M | $22.3M |
| North America, Excluding United States | $24.5M | $21.3M |
| Europe | $7.1M | $3.4M |
| Other Geographical Areas | $53.0K | $259.0K |
Where the money goes
Where each dollar of revenue went, fiscal 2025
- Cost of revenue74¢$537.5M
- Research and development3¢$18.2M
- Other costs6¢$42.1M
- Income tax1¢$10.6M
- Profit16¢$114.0M
Out of $722.4M in revenue.5
Where each dollar of operating cash went, fiscal 2025
- Kept or used elsewhere100¢$24.1M
Out of $24.1M of cash from operations.5
Financial statements
Every line of the income statement as filed: the last 2 fiscal years, latest first.5
| Period ending | 2025-12-31 | 2024-12-31 |
|---|---|---|
| Cost of sales (derived from related party net sales $863 and $1,304 for the year ended December 31, 2025 and 2024, respectively) | $537.5M | $335.4M |
| Gross profit | $184.9M | $140.5M |
| Research and development expenses | $18.2M | $20.1M |
| Selling, general and administrative expenses | $55.8M | $37.4M |
| Amortization of intangible assets | $1.2M | $1.5M |
| Total operating expenses | $75.2M | $58.9M |
| Operating income | $109.7M | $81.6M |
| Interest expense (from related parties $634 and $6,998 for the year ended December 31, 2025 and 2024, respectively) | $6.7M | $11.4M |
| Other expense (income) | -$352.0K | $0 |
| Total other expense, net | $6.3M | $11.4M |
| Income before income taxes | $103.4M | $70.2M |
| Income tax (benefit) expense | -$10.6M | $922.0K |
| Net income | $114.0M | $69.3M |
| Basic (in shares) | 23.0M shares | 23.0M shares |
| Diluted (in shares) | 23.1M shares | 23.0M shares |
| Basic (in dollars per share) | $4.95 | $3.01 |
| Diluted (in dollars per share) | $4.94 | $3.01 |
| Net sales to related party | $722.4M | $476.0M |
| Related parties amount in cost of sales | $863.0K | $1.3M |
No quarter-by-quarter statement was filed.
Every line of the balance sheet as filed: the last 3 fiscal years (annual) or 3 quarters (quarterly), latest first.5
| Period ending | 2025-12-31 | 2024-12-31 | 2023-12-31 |
|---|---|---|---|
| Cash and cash equivalents | $41.2M | $55.3M | |
| Restricted cash | $3.7M | $3.2M | |
| Income tax receivable | $6.4M | $986.0K | |
| Inventories, net | $127.4M | $93.9M | |
| Prepaid expenses | $4.5M | $6.4M | |
| Contract assets | $16.0M | $21.5M | $15.6M |
| Other current assets | $1.3M | $4.2M | |
| Total current assets | $290.9M | $254.3M | |
| Property, plant and equipment, net | $23.0M | $15.4M | |
| Operating lease right-of-use assets, net | $52.9M | $23.3M | |
| Intangible assets, net | $1.2M | $2.5M | |
| Goodwill | $29.8M | $29.8M | |
| Deferred tax assets | $13.3M | $0 | |
| Customs-related deposits | $12.9M | $2.5M | |
| Other noncurrent assets | $614.0K | $374.0K | |
| TOTAL ASSETS | $424.7M | $328.2M | |
| Accounts payable (to related parties $4,126 and $14,427 as of December 31, 2025 and 2024, respectively) | $48.2M | $58.2M | |
| Current maturities of long-term debt | $28.0K | $52.0K | |
| Revolving line of credit, current | $0 | $95.0M | |
| Finance lease liability, current | $355.0K | $78.0K | |
| Operating lease liability, current | $6.3M | $4.5M | |
| Other short-term financing (to related parties $25,000 as of December 31, 2024) | $0 | $25.0M | |
| Total current liabilities | $92.3M | $227.6M | |
| Deferred tax liabilities | $0 | $1.6M | |
| Long-term debt, net of current maturities | $10.0K | $38.0K | |
| Revolving line of credit, long-term | $95.0M | $0 | |
| Finance lease liability, long-term | $1.2M | $16.0K | |
| Operating lease liability, long-term | $49.4M | $20.7M | |
| Noncurrent contract liabilities | $1.7M | $1.9M | $2.4M |
| Other noncurrent liabilities | $6.5M | $11.2M | |
| TOTAL LIABILITIES | $246.1M | $262.9M | |
| Common stock $0.001 par value; 50,000 shares authorized; 23,117 shares issued; 23,041 and 23,000 shares outstanding at December 31, 2025 and 2024, respectively | $23.0K | $23.0K | |
| Additional paid-in capital | $157.6M | $157.6M | |
| Retained earnings (accumulated deficit) | $22.5M | -$91.5M | |
| Treasury stock, at cost, 76 and 117 shares at December 31, 2025 and 2024, respectively | -$1.5M | -$823.0K | |
| TOTAL STOCKHOLDERS EQUITY | $178.6M | $65.2M | -$3.9M |
| TOTAL LIABILITIES AND STOCKHOLDERS EQUITY | $424.7M | $328.2M | |
| Accounts receivable allowance | $967.0K | $1.9M | |
| Accounts receivable, net of allowances | $90.4M | $69.0M | |
| Other accrued liabilities | $37.4M | $44.7M | |
| Common stock, par value (in dollars per share) | $0.00 | $0.00 | |
| Common stock, shares authorized (in shares) | 50.0M shares | 50.0M shares | |
| Common stock, shares issued (in shares) | 23.1M shares | 23.1M shares | |
| Common stock, shares outstanding (in shares) | 23.0M shares | 23.0M shares | |
| Treasury stock (in shares) | 76.0K shares | 117.0K shares |
| Period ending | 2025-12-31 | 2024-12-31 | 2023-12-31 |
|---|---|---|---|
| Cash and cash equivalents | $41.2M | $55.3M | |
| Restricted cash | $3.7M | $3.2M | |
| Income tax receivable | $6.4M | $986.0K | |
| Inventories, net | $127.4M | $93.9M | |
| Prepaid expenses | $4.5M | $6.4M | |
| Contract assets | $16.0M | $21.5M | $15.6M |
| Other current assets | $1.3M | $4.2M | |
| Total current assets | $290.9M | $254.3M | |
| Property, plant and equipment, net | $23.0M | $15.4M | |
| Operating lease right-of-use assets, net | $52.9M | $23.3M | |
| Intangible assets, net | $1.2M | $2.5M | |
| Goodwill | $29.8M | $29.8M | |
| Deferred tax assets | $13.3M | $0 | |
| Customs-related deposits | $12.9M | $2.5M | |
| Other noncurrent assets | $614.0K | $374.0K | |
| TOTAL ASSETS | $424.7M | $328.2M | |
| Accounts payable (to related parties $4,126 and $14,427 as of December 31, 2025 and 2024, respectively) | $48.2M | $58.2M | |
| Current maturities of long-term debt | $28.0K | $52.0K | |
| Revolving line of credit, current | $0 | $95.0M | |
| Finance lease liability, current | $355.0K | $78.0K | |
| Operating lease liability, current | $6.3M | $4.5M | |
| Other short-term financing (to related parties $25,000 as of December 31, 2024) | $0 | $25.0M | |
| Total current liabilities | $92.3M | $227.6M | |
| Deferred tax liabilities | $0 | $1.6M | |
| Long-term debt, net of current maturities | $10.0K | $38.0K | |
| Revolving line of credit, long-term | $95.0M | $0 | |
| Finance lease liability, long-term | $1.2M | $16.0K | |
| Operating lease liability, long-term | $49.4M | $20.7M | |
| Noncurrent contract liabilities | $1.7M | $1.9M | $2.4M |
| Other noncurrent liabilities | $6.5M | $11.2M | |
| TOTAL LIABILITIES | $246.1M | $262.9M | |
| Common stock $0.001 par value; 50,000 shares authorized; 23,117 shares issued; 23,041 and 23,000 shares outstanding at December 31, 2025 and 2024, respectively | $23.0K | $23.0K | |
| Additional paid-in capital | $157.6M | $157.6M | |
| Retained earnings (accumulated deficit) | $22.5M | -$91.5M | |
| Treasury stock, at cost, 76 and 117 shares at December 31, 2025 and 2024, respectively | -$1.5M | -$823.0K | |
| TOTAL STOCKHOLDERS EQUITY | $178.6M | $65.2M | -$3.9M |
| TOTAL LIABILITIES AND STOCKHOLDERS EQUITY | $424.7M | $328.2M | |
| Accounts receivable allowance | $967.0K | $1.9M | |
| Accounts receivable, net of allowances | $90.4M | $69.0M | |
| Other accrued liabilities | $37.4M | $44.7M | |
| Common stock, par value (in dollars per share) | $0.00 | $0.00 | |
| Common stock, shares authorized (in shares) | 50.0M shares | 50.0M shares | |
| Common stock, shares issued (in shares) | 23.1M shares | 23.1M shares | |
| Common stock, shares outstanding (in shares) | 23.0M shares | 23.0M shares | |
| Treasury stock (in shares) | 76.0K shares | 117.0K shares |
Cash flow is reported year to date, not quarter by quarter, so there are no separate quarterly figures.
Every line of the cash flow as filed: the last 2 fiscal years, latest first.5
| Period ending | 2025-12-31 | 2024-12-31 |
|---|---|---|
| Net income | $114.0M | $69.3M |
| Amortization of intangible assets | $1.2M | $1.5M |
| Depreciation | $4.2M | $3.7M |
| Noncash lease expense | $6.1M | $5.0M |
| Stock-based compensation expense | $427.0K | $89.0K |
| Amortization of financing fees | $646.0K | $513.0K |
| Deferred income taxes | -$14.9M | $90.0K |
| (Credit) for losses in accounts receivable | -$922.0K | -$4.1M |
| Increase in allowance for inventory obsolescence, net | $118.0K | $2.4M |
| Other adjustments, net | $96.0K | $40.0K |
| Accounts receivable | -$20.6M | $2.1M |
| Inventories | -$33.4M | -$10.6M |
| Prepaid expenses | $1.9M | $2.2M |
| Contract assets | $5.5M | -$5.9M |
| Other assets | -$7.2M | -$1.6M |
| Accounts payable | -$10.1M | -$8.9M |
| Income taxes receivable | -$5.5M | -$436.0K |
| Accrued expenses | -$6.8M | $12.0M |
| Other noncurrent liabilities | -$10.7M | -$5.1M |
| Net cash provided by operating activities | $24.1M | $62.4M |
| Capital expenditures | -$10.0M | -$4.6M |
| Proceeds from disposal of assets | $11.0K | $0 |
| Net cash used in investing activities | -$10.0M | -$4.6M |
| Repayment of long-term debt and lease liabilities | -$482.0K | -$204.0K |
| Proceeds from short-term financings | $0 | $100.0M |
| Repayment of short-term financings | -$25.0M | -$124.8M |
| Repurchases to settle tax withholding obligations for stock-based compensation awards | -$1.1M | -$201.0K |
| Payments of deferred financing costs | -$1.2M | -$709.0K |
| Net cash used in financing activities | -$27.7M | -$25.9M |
| Net (decrease) increase in cash, cash equivalents, and restricted cash | -$13.5M | $31.9M |
No quarter-by-quarter statement was filed.
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Corporate structure
POWER SOLUTIONS INTERNATIONAL, INC. sits at the top of its group. 1 entity, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.
Major holders of POWER SOLUTIONS INTERNATIONAL, INC.
- Point72 Asset Management, L.P. Filed SCHEDULE 13G/A on POWER SOLUTIONS INTERNATIONAL, INC., latest Aug 14, 2026 (2 filings since May 22, 2026)
- Gary S. Winemaster Filed SCHEDULE 13D/A on POWER SOLUTIONS INTERNATIONAL, INC., latest Sep 22, 2025 (4 filings since Aug 7, 2023)
- Weichai America Corp. Filed SCHEDULE 13D/A on POWER SOLUTIONS INTERNATIONAL, INC., latest Aug 28, 2025 (4 filings since Aug 15, 2025)
- Neil Gagnon Filed SCHEDULE 13G/A on POWER SOLUTIONS INTERNATIONAL, INC., latest Feb 14, 2025 (5 filings since Jan 12, 2022)
- GAGNON SECURITIES LLC Filed SCHEDULE 13G/A on POWER SOLUTIONS INTERNATIONAL, INC., latest Jan 23, 2025 (2 filings since Jan 23, 2025)
- POWER SOLUTIONS INTERNATIONAL, INC. Wood Dale, Illinois, United States
Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); major holders from Schedules 13D and 13G. Each entity in the chart links to its source.
What it owns
What POWER SOLUTIONS INTERNATIONAL, INC. reports owning in its annual reports to the SEC: buildings, land and equipment, real estate and locations, investments, intangible assets and inventory, at the end of its latest fiscal year and a year before.
Property and equipment
| Item | Latest | A year before | Change |
|---|---|---|---|
| Finance-lease assets | $1.5M5 Dec 31, 2025 | $78.0K5 Dec 31, 2024 | +1865.4% |
| Operating-lease assets (leased space) | $52.9M5 Dec 31, 2025 | $23.3M5 Dec 31, 2024 | +127.3% |
Investments
| Item | Latest | A year before | Change |
|---|---|---|---|
| Cash and cash equivalents | $41.2M5 Dec 31, 2025 | $55.3M5 Dec 31, 2024 | −25.3% |
Intangibles and goodwill
| Item | Latest | A year before | Change |
|---|---|---|---|
| Goodwill | $29.8M5 Dec 31, 2025 | $29.8M5 Dec 31, 2024 | 0% |
| Intangible assets, net (excluding goodwill) | $1.2M5 Dec 31, 2025 | $2.5M5 Dec 31, 2024 | −49.6% |
| Finite-lived intangibles, gross | $37.3M5 Dec 31, 2025 | $37.3M5 Dec 31, 2024 | 0% |
| Accumulated amortization | $36.1M5 Dec 31, 2025 | $34.9M5 Dec 31, 2024 | +3.5% |
| Finite-lived intangibles, net | $1.2M5 Dec 31, 2025 | $2.5M5 Dec 31, 2024 | −49.6% |
Inventory
| Item | Latest | A year before | Change |
|---|---|---|---|
| Inventory, total | $127.4M5 Dec 31, 2025 | $93.9M5 Dec 31, 2024 | +35.7% |
| Raw materials | $105.2M5 Dec 31, 2025 | $84.3M5 Dec 31, 2024 | +24.8% |
| Work in process | $5.1M5 Dec 31, 2025 | $872.0K5 Dec 31, 2024 | +485.2% |
| Finished goods | $25.3M5 Dec 31, 2025 | $16.8M5 Dec 31, 2024 | +50.4% |
Properties, in its own words
The Company’s operations are located in 8 leased facilities in the United States, totaling approximately 1.2 million square feet of floor space. The Company’s corporate headquarters is located in Wood Dale, Illinois, a suburb of Chicago.
The Company’s primary manufacturing, assembly, engineering, research and development, sales and distribution facilities are located in suburban Chicago, Illinois, as well as in Darien and Beloit, Wisconsin.
The rest of Item 2
The Company believes that all of its facilities have been adequately maintained, are in good operating condition and are suitable for its current needs. These facilities are expected to meet the Company’s needs in the foreseeable future.
Item 2 of the 10-K filed Mar 2, 2026.4
Leadership
Who has led POWER SOLUTIONS INTERNATIONAL, INC., and when. Pick a name to see everywhere that person has worked.
Chief financial officer
Chief operating officer
2010201520202025
- Chief executive officerConstantine Xykis Oct 9, 2024 to now13
- Chief executive officerLance Michael Arnett Mar 25, 2022 to Mar 25, 202214
- Chief executive officerGary S. Winemaster May 9, 2011 to Jan 14, 201315
- PresidentGary S. Winemaster May 9, 2011 to Jan 14, 201315
- PresidentRyan A. Neely Jan 23, 2007 to Jan 23, 200716
- Chief financial officerXun Li Sep 2, 2022 to now17
- Chief financial officerTimothy J. Cunningham Feb 10, 2017 to Feb 10, 201718
- Chief financial officerCharles F. Avery Jr. Aug 10, 2017 to Aug 1, 201919
- Chief financial officerDaniel P. Gorey Apr 19, 2012 to Aug 10, 201520
- Chief financial officerThomas J. Somodi May 9, 2011 to May 9, 201121
- Chief operating officerEric A. Cohen Apr 19, 2012 to Nov 17, 201522
- Chief operating officerThomas J. Somodi May 9, 2011 to May 9, 201121
Board members and other officers (37)
- OfficerZhaoying Du Sep 24, 2025 to now23
- OfficerMatthew Joseph Thomas Apr 18, 2022 to Sep 6, 202224
- OfficerJunhua Gu Jul 20, 2022 to Jul 20, 202225
- Chief Technology OfficerConstantine Xykis Mar 25, 2021 to May 24, 202426
- Chief Technical OfficerJason C. Lin Aug 2, 2019 to Jul 29, 202027
- Chief Commercial OfficerLance Michael Arnett Dec 20, 2019 to Apr 9, 202028
- OfficerWilliam Alan Buzogany Jan 22, 2018 to Oct 9, 201829
- OfficerDonald P. Klein May 25, 2018 to Jun 19, 201830
- OfficerGary S. Winemaster Jan 23, 2013 to Aug 18, 201531
- Pres., Secretary, TreasurerRyan A. Neely May 3, 2011 to May 3, 201132
- SVP & SecretaryKenneth J. Winemaster May 9, 2011 to May 16, 201933
- Board memberXuesen Yang Jan 6, 2026 to now34
- Board memberZhao Jin Jan 6, 2026 to now35
- Board memberCourtney C. Shea Jul 31, 2025 to now36
- Board memberJiwen Zhang Mar 31, 2023 to Mar 31, 202337
- Board memberFuzhang Yu Jul 26, 2023 to Jul 26, 202338
- Board memberFabrizio Mozzi Jan 24, 2022 to Sep 16, 202239
- Board memberLei Lei Jan 24, 2022 to Jan 24, 202240
- Board memberGengsheng Zhang Sep 23, 2022 to Sep 23, 202241
- Board memberGuogang Wu Jul 21, 2021 to Feb 1, 202242
- Board memberSidong Shao Dec 28, 2020 to Dec 28, 202043
- Board memberXinghao Li Dec 28, 2020 to Dec 28, 202044
- Board memberHong He Dec 20, 2019 to now45
- Board memberJason C. Lin May 25, 2017 to Nov 30, 201846
- Board memberLeslie Anne Coolidge Jul 24, 2017 to Jul 23, 201947
- Board memberFrank P. Simpkins Aug 10, 2017 to now48
- Board memberEllen Randi Hoffing Sep 21, 2015 to Sep 21, 201549
- Board memberGary S. Winemaster May 9, 2011 to Aug 18, 201515
- Board memberH. Samuel Greenawalt May 27, 2011 to Sep 2, 201450
- Board memberKenneth W. Landini May 27, 2011 to Dec 16, 202451
- Board memberKenneth J. Winemaster Nov 2, 2011 to Nov 2, 201152
- Board memberJay J. Hansen Nov 4, 2011 to Nov 4, 201153
- Board memberMary E. Vogt Nov 29, 2011 to Nov 29, 201154
- Board memberPeter Kristensen Apr 13, 2010 to Apr 13, 201055
- Board memberRobert Summers Jan 23, 2007 to Jan 23, 200756
- Board memberRyan A. Neely Jan 23, 2007 to May 3, 201116
- General counselRandall Lehner Mar 28, 2024 to Mar 28, 202457
Former names
Timeline
- Sep 30, 20268-K Entered a material agreement; Ended a material agreement; New debt or obligation58
- Aug 6, 20268-K Results of operations59
- Jul 27, 20268-K Executive or director change; Shareholder vote; Regulation FD disclosure60
- May 13, 20268-K Executive or director change61
- May 11, 20268-K Results of operations62
- Mar 13, 20268-K Regulation FD disclosure63
- Mar 11, 20268-K Executive or director change64
- Mar 2, 20268-K Regulation FD disclosure65
- Mar 2, 20268-K Results of operations66
- Nov 6, 20258-K Results of operations67
- Oct 14, 20258-K Executive or director change68
- Sep 18, 20258-K Executive or director change; Regulation FD disclosure69
- Oct 9, 2024New chief executive Constantine Xykis becomes CEO13
- Mar 25, 2022New chief executive Lance Michael Arnett becomes CEO14
- Aug 12, 2011Founded POWER SOLUTIONS INTERNATIONAL, INC. is founded2
- May 9, 2011New chief executive Gary S. Winemaster becomes CEO15
Calendar
Coming up
- Nov 5, 2026 · After the closeReports results for the quarter ending Sep/202670
When it reported results
- Aug 6, 2026Reported quarterly or annual results59
- May 11, 2026Reported quarterly or annual results62
- Mar 2, 2026Reported quarterly or annual results66
- Nov 6, 2025Reported quarterly or annual results67
- Aug 8, 2025Reported quarterly or annual results71
- May 8, 2025Reported quarterly or annual results72
- Mar 24, 2025Reported quarterly or annual results73
- Nov 7, 2024Reported quarterly or annual results74
Upcoming dates from Nasdaq's calendar; past results from the company's 8-K filings (Item 2.02). The full markets calendar
Filings
288 filings to the SEC since October 2021: 10 annual reports, 15 quarterly reports, 63 major events, 140 insider forms, 17 large holders, 43 other. The latest 20:
- Sep 30, 20268-K EDGAR
- Aug 17, 20264 EDGAR
- Aug 17, 20263 EDGAR
- Aug 14, 2026SCHEDULE 13G/A EDGAR
- Aug 6, 20268-K EDGAR
- Aug 6, 202610-Q EDGAR
- Jul 27, 20268-K EDGAR
- Jun 9, 2026DEFA14A EDGAR
- Jun 9, 2026DEF 14A EDGAR
- May 22, 2026SCHEDULE 13G EDGAR
- May 20, 2026SD EDGAR
- May 13, 20268-K EDGAR
- May 11, 20268-K EDGAR
- May 11, 202610-Q EDGAR
- Apr 30, 202610-K/A EDGAR
- Apr 17, 20264 EDGAR
- Apr 17, 20264 EDGAR
- Mar 13, 20268-K EDGAR
- Mar 11, 20268-K EDGAR
- Mar 2, 20268-K EDGAR
The 288 filings since October 2021 can be filtered by form type and year here when JavaScript is on.
Every filing from the last five years, summarized. The full record is on SEC EDGAR.
Insider trades
120 open-market trades by officers, directors and large owners since October 2021: 46 buys and 74 sales. Grants, option exercises and gifts are left out.
| Date | Who | Trade | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|
| Sep 11, 2025 | Weichai Power Co., Ltd.10% owner | Sale | 79,839 | $93.46 | $7.5M | Form 4 |
| Sep 11, 2025 | He HongDirector | Sale | 1,500 | $94.00 | $141.0K | Form 4 |
| Sep 10, 2025 | Weichai Power Co., Ltd.10% owner | Sale | 36,554 | $92.42 | $3.4M | Form 4 |
| Sep 10, 2025 | He HongDirector | Sale | 1,000 | $95.00 | $95.0K | Form 4 |
| Sep 9, 2025 | Xykis ConstantineCEO | Sale | 7,854 | $91.31 | $717.1K | Form 4 |
| Sep 9, 2025 | He HongDirector | Sale | 4,000 | $91.44 | $365.8K | Form 4 |
| Sep 8, 2025 | He HongDirector | Sale | 1,000 | $89.00 | $89.0K | Form 4 |
| Aug 26, 2025 | Shandong Heavy Industry Group Co., Ltd.10% owner | Sale | 94,047 | $83.28 | $7.8M | Form 4 |
| Aug 25, 2025 | Weichai Power Co., Ltd.10% owner | Sale | 51,426 | $91.00 | $4.7M | Form 4 |
| Aug 25, 2025 | SIMPKINS FRANK PDirector | Sale | 10,000 | $91.64 | $916.4K | Form 4 |
| Aug 25, 2025 | Li XunCFO | Buy | 300 | $92.82 | $27.8K | Form 4 |
| Aug 25, 2025 | Li XunCFO | Sale | 8,000 | $92.36 | $738.9K | Form 4 |
| Aug 22, 2025 | Weichai America Corp.10% owner | Sale | 87,210 | $88.28 | $7.7M | Form 4 |
| Aug 21, 2025 | Weichai America Corp.10% owner | Sale | 42,314 | $82.27 | $3.5M | Form 4 |
| Aug 20, 2025 | Weichai Power Co., Ltd.10% owner | Sale | 15,802 | $80.50 | $1.3M | Form 4 |
| Aug 19, 2025 | Weichai America Corp.10% owner | Sale | 79,670 | $81.08 | $6.5M | Form 4 |
| Aug 18, 2025 | Weichai Power Co., Ltd.10% owner | Sale | 125,220 | $85.01 | $10.6M | Form 4 |
| Aug 15, 2025 | Weichai America Corp.10% owner | Sale | 116,137 | $83.16 | $9.7M | Form 4 |
| Aug 14, 2025 | Weichai America Corp.10% owner | Sale | 135,846 | $84.97 | $11.5M | Form 4 |
| Aug 13, 2025 | Weichai Power Co., Ltd.10% owner | Sale | 162,113 | $89.83 | $14.6M | Form 4 |
All 120 trades can be filtered by person here when JavaScript is on.
From Forms 4 filed with the SEC.
Major holders
Investors who own more than 5% of the shares must tell the SEC: a 13D if they may seek to influence the company, a 13G if they hold passively.
- Point72 Asset Management, L.P.SCHEDULE 13G/A, 2 filings May 22, 2026 to Aug 14, 202675
- Gary S. WinemasterSCHEDULE 13D/A, 4 filings Aug 7, 2023 to Sep 22, 202576
- Weichai America Corp.SCHEDULE 13D/A, 4 filings Aug 15, 2025 to Aug 28, 202577
- Neil GagnonSCHEDULE 13G/A, 5 filings Jan 12, 2022 to Feb 14, 202578
- GAGNON SECURITIES LLCSCHEDULE 13G/A, 2 filings Jan 23, 202579
Executive pay
What the company paid its top executives, from the summary compensation table in its proxy statement. Total pay includes salary, bonus, stock and option awards and other pay, as the company valued them.
| Year | Executive | Age | Salary | Total pay |
|---|---|---|---|---|
| 2025 | C. (Dino) Xykis | $598.3K | $2.4M80 | |
| 2025 | Xun (Kenneth) Li | 55 | $403.2K | $1.3M80 |
| 2025 | Randall Lehner | $94.2K | $450.0K80 | |
| 2025 | Zhaoying (Dorothy) Du | 48 | $111.0K | $277.4K80 |
| 2024 | Chief Executive Officer | $539.8K | $1.2M80 | |
| 2024 | Chief Financial Officer | $385.9K | $703.2K80 | |
| 2024 | General Counsel | $282.7K | $542.3K80 |
Held by these funds
The largest holders among investment managers' 13F reports for the quarter ending Jun 30, 2026, the top 25 of 100. Change is in shares since the quarter before.
| Fund | Shares | Value | Share of the fund | Change |
|---|---|---|---|---|
| Point72 Asset Management, L.P. | 1,497,155 | $58.2M | 0.1% | +1,491,805 |
| BlackRock, Inc. | 818,968 | $31.8M | 0.0% | +103,412 |
| Newtyn Management, LLC | 600,890 | $23.4M | 2.9% | New |
| Vanguard Capital Management LLC | 340,634 | $13.2M | 0.0% | −340 |
| Yunqi Capital Ltd | 339,000 | $13.2M | 10.6% | New |
| Barclays PLC | 311,110 | $12.1M | 0.0% | +72,064 |
| Dimensional Fund Advisors LP | 296,812 | $11.5M | 0.0% | +13,571 |
| OLP CAPITAL MANAGEMENT Ltd | 283,940 | $11.0M | 2.8% | New |
| Busey Bank | 220,000 | $8.6M | 0.2% | No change |
| Geode Capital Management, LLC | 216,235 | $8.4M | 0.0% | +19,938 |
| Millennium Management LLC | 206,942 | $8.0M | 0.0% | +109,062 |
| State Street Corp | 184,855 | $7.2M | 0.0% | +14,108 |
| Alliancebernstein L.P. | 98,700 | $6.0M | 0.0% | +65,260 |
| Goldman Sachs Group Inc | 147,333 | $5.7M | 0.0% | +103,027 |
| First Trust Advisors LP | 146,750 | $5.7M | 0.0% | +60,627 |
| Yiheng Capital Management, L.P. | 133,500 | $5.2M | 2.2% | New |
| Meros Investment Management, LP | 129,266 | $5.0M | 1.6% | +90,000 |
| Morgan Stanley | 113,003 | $4.4M | 0.0% | −54,034 |
| Two Sigma Investments, LP | 108,961 | $4.2M | 0.0% | +62,590 |
| Hel Ved Capital Management Ltd | 100,876 | $3.9M | 0.6% | No change |
| Valiant Capital Management, L.P. | 81,674 | $3.2M | 0.2% | +12,286 |
| Northern Trust Corp | 74,796 | $2.9M | 0.0% | −5,303 |
| Tidal Investments LLC | 72,447 | $2.8M | 0.0% | +43,068 |
| Vanguard Portfolio Management LLC | 70,150 | $2.7M | 0.0% | −35,079 |
| Defiance ETFs, LLC | 72,881 | $2.7M | 0.0% | +52,013 |
13F reports cover disclosed long positions in U.S. stocks only.
Members of Congress who traded it
7 trades disclosed by members of Congress. “Vs S&P since” is the stock’s change since the trade minus the S&P 500’s.
| Date | Member | Trade | Amount | Vs S&P since | Filing |
|---|---|---|---|---|---|
| Nov 20, 2020 | Tom MalinowskiDemocratic, House | Buy | $1,001 - $15,000 | +1340.3% | Report |
| Sep 24, 2020 | Tom MalinowskiDemocratic, House | Sale | $15,001 - $50,000 | −1506.9% | Report |
| Aug 25, 2020 | Tom MalinowskiDemocratic, House | Buy | $1,001 - $15,000 | +1181.8% | Report |
| May 7, 2020 | Tom MalinowskiDemocratic, House | Buy | $1,001 - $15,000 | +541.6% | Report |
| Jan 2, 2020 | Tom MalinowskiDemocratic, House | Buy | $1,001 - $15,000 | +310.3% | Report |
| Dec 30, 2019 | Tom MalinowskiDemocratic, House | Buy | $1,001 - $15,000 | +544.4% | Report |
| May 15, 2019 | Tom MalinowskiDemocratic, House | Buy | $1,001 - $15,000 | +270.6% | Report |
Members report amounts as ranges, not exact figures. Returns are price-only (no dividends).
SEC filer profile
How POWER SOLUTIONS INTERNATIONAL, INC. is registered with the Securities and Exchange Commission, from its EDGAR record and the cover page of its latest annual report.
- Name on EDGARPOWER SOLUTIONS INTERNATIONAL, INC.1
- CIK0001137091
- Employer ID (EIN)33-09636374
- Filer statusLarge accelerated filer not an emerging growth company; a smaller reporting company; not a shell company4
- Incorporated inDelaware4
- Fiscal year endsDecember 311
- Industry code (SIC)3510 Engines & Turbines1
- SEC reviewing officeOffice of Technology, Division of Corporation Finance1
- Business address201 Mittel Drive, Wood Dale, IL 601911
- Phone630-350-94001
- Shares outstanding23,065,450 as of Jul 30, 202612
- Public float$717.9M as of Jun 30, 20254
- AuditorBDO USA, P.C., Chicago, IL PCAOB ID 243; it also attests to the company’s internal control over financial reporting4
- On EDGAR sinceAug 26, 20021
- Filings889 in all: 4 (257), 8-K (196), 3 (50), 10-Q (48), SC 13D/A (32), SC 13G/A (28), 424B3 (27), 144 (22)1
All 58 form types
10-K (17), 8-K/A (17), UPLOAD (16), CORRESP (15), DEF 14A (13), SD (13), DEFA14A (11), NT 10-Q (11), SC 13G (11), EFFECT (9), 10-K/A (7), SCHEDULE 13D/A (7), 11-K (5), 4/A (5), S-1/A (5), CT ORDER (4), NT 10-K (4), POS AM (4), SC 13D (4), SCHEDULE 13G/A (4), 10QSB (3), 10SB12G/A (3), 424B2 (3), S-1 (3), S-8 (3), 10KSB (2), 10SB12G (2), 3/A (2), 5 (2), 8-A12B (2), PRER14A (2), S-3 (2), 10-Q/A (1), 144/A (1), 15-15D (1), 25-NSE (1), 424B4 (1), 8-A12B/A (1), CERT (1), CERTNAS (1), D (1), NT 11-K (1), PRE 14A (1), PRE 14C (1), REGDEX (1), RW (1), S-1MEF (1), S-8 POS (1), SC 14F1 (1), SCHEDULE 13G (1)
- Latest filingsAnnual report (10-K) Mar 2, 2026
Quarterly report (10-Q) Aug 6, 2026
Proxy statement (DEF 14A) Jun 9, 2026
Latest 8-K (8-K) Sep 30, 2026
Securities registered for trading
| Class | Symbol | Exchange |
|---|---|---|
| Common Stock, par value $0.001 per share | PSIX | Nasdaq Stock Market |
From the cover page of the 10-K filed Mar 2, 2026 (Section 12(b) of the Exchange Act).4
Risk factors and legal proceedings
The risks POWER SOLUTIONS INTERNATIONAL, INC. names in Item 1A of its 10-K filed Mar 2, 2026: 32 risks under these headings, as written.4
- Geopolitical Factors
- The Company utilizes a global supply chain to source products, including engines, components and materials, which may subject it to tariffs, including U.S. tariffs imposed on imports from China. The Company also sells its products on a global basis, and therefore its export sales could be impacted by tariffs.
- Liquidity and Indebtedness
- Our liquidity could be adversely affected by volatility in demand, supply‑chain constraints, and significant capital investment requirements inherent in our engine manufacturing operations.
- The Company’s existing debt or any potential new debt could adversely affect its business and growth prospects.
- Financial Condition, Results of Operations, and Cash Flows
- The Company is subject to price increases in some of the key components in its power systems.
- Many of the Company’s power systems involve long and variable design and sales cycles.
- Warranty, Safety Standards, and Emissions
- The Company could suffer warranty claims or be subject to product liability claims, both of which could materially adversely affect its business.
- The Company and its products are subject to numerous environmental and regulatory policies, including emission and fuel economy rules.
- Supply Chain
The other 24 risks
- The Company is dependent on certain key third-party suppliers, and the partial or complete loss of one of these key suppliers, or the failure to find replacement suppliers or manufacturers in a timely manner, could result in supply shortages.
- Disruptions arising from compliance with certain importation and trade laws and regulations, including those governing goods shipped from certain regions in China, have, and in the future may, cause supply chain interruptions and raw material shortages.
- Growth and Profitability
- The market for alternative-fueled, spark-ignited power systems may not continue to develop as expected.
- The Company may be impacted by volatility of oil and gas prices and/or fuel price differentials.
- The introduction of new products, including new engines that the Company develops, and the continued expansion of products may not succeed or achieve widespread acceptance.
- The Company’s OEM customers may not continue to outsource their power system needs.
- Human Capital
- The failure to attract, retain and motivate a highly qualified workforce and high functioning management team could, in the future, affect the Company’s business results.
- Common Stock Ownership and Stockholder Influence
- A decrease in stock price may have an unfavorable impact on our status on the Nasdaq and liquidity.
- Ownership of the Company’s stock is concentrated with Weichai and therefore other stockholders’ ability to influence corporate matters is limited.
- Weichai maintains certain rights through its Investor Rights Agreement with the Company.
- Cyber Risk Factors
- The Company is exposed to, and may be adversely affected by, potential security breaches or other disruptions to its information technology systems and data security.
- Artificial Intelligence Risk Factors
- The increasing use of artificial intelligence technologies by our competitors, customers, and suppliers could impact our competitive position.
- General Risk Factors
- Adverse global and regional economic conditions may materially and adversely affect the Company’s business, results of operations and financial condition.
- The Company is exposed to political, economic and other risks, in addition to various laws and regulations that arise from operating a multinational business.
- We may incur fines or penalties, damage to our reputation or suffer other adverse consequences if our employees, suppliers, sub-suppliers or other contract parties, agents or business partners violate anti-bribery, competition, export and import, trade sanctions, data privacy, environmental, human rights, forced labor, or other laws.
- Employee disputes or litigation and related unfavorable publicity may negatively affect our future business, financial condition, and operating results.
- If we fail to maintain an effective system of internal controls, we may not be able to accurately determine our financial results or prevent fraud. As a result, our stockholders could lose confidence in our financial results, which could materially and adversely affect us.
- The Company could incur restructuring and impairment charges as it continuously evaluates its portfolio of assets and identifies opportunities to restructure its business to optimize its cost structure.
- The Company currently faces, and will continue to face, significant competition.
- Failure to keep pace with technological developments may adversely affect the Company’s operations.
- The Company could fail to adequately protect its intellectual property rights or could face claims of intellectual property infringement by third parties.
- Limitations of the Company’s Directors’ and Officers’ liability insurance and potential indemnification obligations will have a material adverse effect on the Company’s financial condition, results of operations and cash flows.
- Unanticipated changes in our effective tax rate, the adoption of new tax legislation or exposure to additional income tax liabilities could adversely affect our profitability.
Legal proceedings
See Note 11. Commitments and Contingencies, included in Part II, Item 8. Financial Statements and Supplementary Data, for a discussion of legal proceedings, which are incorporated herein by reference.
The opening of Item 3, Legal Proceedings.4
Sources
The numbers on this page point here. Each one links to the record it came from.
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- 16SEC EDGARRyan A. Neely, President
- 17SEC EDGARXun Li, Chief financial officer
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- 23SEC EDGARZhaoying Du, Officer
- 24SEC EDGARMatthew Joseph Thomas, Officer
- 25SEC EDGARJunhua Gu, Officer
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- 29SEC EDGARWilliam Alan Buzogany, Officer
- 30SEC EDGARDonald P. Klein, Officer
- 31SEC EDGARGary S. Winemaster, Officer
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- 34SEC EDGARXuesen Yang, Board member
- 35SEC EDGARZhao Jin, Board member
- 36SEC EDGARCourtney C. Shea, Board member
- 37SEC EDGARJiwen Zhang, Board member
- 38SEC EDGARFuzhang Yu, Board member
- 39SEC EDGARFabrizio Mozzi, Board member
- 40SEC EDGARLei Lei, Board member
- 41SEC EDGARGengsheng Zhang, Board member
- 42SEC EDGARGuogang Wu, Board member
- 43SEC EDGARSidong Shao, Board member
- 44SEC EDGARXinghao Li, Board member
- 45SEC EDGARHong He, Board member
- 46SEC EDGARJason C. Lin, Board member
- 47SEC EDGARLeslie Anne Coolidge, Board member
- 48SEC EDGARFrank P. Simpkins, Board member
- 49SEC EDGAREllen Randi Hoffing, Board member
- 50SEC EDGARH. Samuel Greenawalt, Board member
- 51SEC EDGARKenneth W. Landini, Board member
- 52SEC EDGARKenneth J. Winemaster, Board member
- 53SEC EDGARJay J. Hansen, Board member
- 54SEC EDGARMary E. Vogt, Board member
- 55SEC EDGARPeter Kristensen, Board member
- 56SEC EDGARRobert Summers, Board member
- 57SEC EDGARRandall Lehner, General counsel
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- 59SEC EDGARResults of operations
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- 61SEC EDGARExecutive or director change
- 62SEC EDGARResults of operations
- 63SEC EDGARRegulation FD disclosure
- 64SEC EDGARExecutive or director change
- 65SEC EDGARRegulation FD disclosure
- 66SEC EDGARResults of operations
- 67SEC EDGARResults of operations
- 68SEC EDGARExecutive or director change
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- 70NasdaqNasdaq calendar
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