Power Solutions International (PSIX) SEC Filings: History & Chart

Power Solutions International, Inc. (PSIX)PSIXPower Solutions International, Inc.

About Power Solutions International, Inc.

Power Solutions International, Inc. (PSIX) is a global entity operating across the United States, North America, the Pacific Rim, and Europe, specializing in the engineering, manufacturing, marketing, and sale of sophisticated engines and power systems. The company offers alternative-fuel power solutions designed for original equipment manufacturers (OEMs) in both off-highway industrial sectors and on-road vehicle markets. Additionally, PSIX develops large-scale, custom-engineered electrical power generation systems. Its product range extends to basic engine blocks, equipped with integrated fuel system components, as well as comprehensive, pre-packaged power systems. These complete units include a wide array of integrated parts such as front accessory drives, cooling mechanisms, electronic controls, air intake and fuel delivery systems, protective housings, power takeoff (PTO) systems, exhaust systems, hydraulic components, enclosures, mounting brackets, hoses, tubes, packaging, and telematics. PSIX produces both compression and spark-ignited internal combustion engines capable of running on diverse fuels like natural gas, propane, gasoline, diesel, and various biofuels. These engines are deployed across the energy, industrial, and transportation markets. The applications for the company's power solutions are extensive. In the power generation sphere, they support standby and prime power, demand response, microgrid systems, renewable energy resilience, and combined heat and power facilities. Industrial uses encompass arbor equipment (e.g., wood chippers, stump grinders), material handling (forklifts), facility maintenance (sweepers/industrial scrubbers, ice resurfacing equipment), aerial lift platforms, irrigation pumps, and a range of oil and gas operations including compression, lifts, and pump jacks, alongside off-road utility vehicles and ground support equipment. Within the transportation sector, PSIX caters to light and medium-duty vocational trucks and vans, school and transit buses, and terminal and utility tractors. Power Solutions International, Inc. also holds a strategic collaboration agreement with Weichai Power Co., Ltd. The company was founded in 1985 and its headquarters are located in Wood Dale, Illinois.

Wood Dale, IL

1,000 employees

www.psiengines.com

Industrials / Industrial - Machinery

Sector: Industrials
Industry: Industrial - Machinery
CEO: Xun Li

View full financials

Form	Filing Date	Accepted	Document
8-K	Aug 6, 2026	Aug 6, 2026	View filing
10-Q	Aug 6, 2026	Aug 6, 2026	View filing
8-K	Jul 27, 2026	Jul 27, 2026	View filing
DEFA14A	Jun 9, 2026	Jun 9, 2026	View filing
DEF 14A	Jun 9, 2026	Jun 9, 2026	View filing
SC 13G	May 22, 2026	May 22, 2026	View filing
SD	May 20, 2026	May 20, 2026	View filing
8-K	May 13, 2026	May 13, 2026	View filing
8-K	May 11, 2026	May 11, 2026	View filing
10-Q	May 11, 2026	May 11, 2026	View filing
10-K/A	Apr 30, 2026	Apr 30, 2026	View filing
4	Apr 17, 2026	Apr 17, 2026	View filing
4	Apr 17, 2026	Apr 17, 2026	View filing
8-K	Mar 13, 2026	Mar 13, 2026	View filing
8-K	Mar 11, 2026	Mar 10, 2026	View filing
8-K	Mar 2, 2026	Mar 2, 2026	View filing
10-K	Mar 2, 2026	Mar 2, 2026	View filing
8-K	Mar 2, 2026	Mar 2, 2026	View filing
4	Feb 17, 2026	Feb 17, 2026	View filing
3	Jan 6, 2026	Jan 6, 2026	View filing
3	Jan 6, 2026	Jan 6, 2026	View filing
4	Dec 12, 2025	Dec 12, 2025	View filing
4	Dec 12, 2025	Dec 12, 2025	View filing
4	Dec 12, 2025	Dec 12, 2025	View filing
4	Dec 12, 2025	Dec 12, 2025	View filing
8-K	Nov 6, 2025	Nov 6, 2025	View filing
10-Q	Nov 6, 2025	Nov 6, 2025	View filing
8-K	Oct 14, 2025	Oct 14, 2025	View filing
144/A	Sep 29, 2025	Sep 29, 2025	View filing
144	Sep 29, 2025	Sep 29, 2025	View filing

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