None of the 29 investors followed here reported a position in PSIX in their latest filing.
From each investor's quarterly 13F filing with the SEC: positions at the quarter's end, reported up to 45 days later. All investors
No member of Congress has disclosed a PSIX trade since 2025.
From House and Senate STOCK Act reports. Members disclose trades, not holdings, as value ranges up to 45 days later, so amounts are estimates and “last move” is a hint at who still holds it, not a position. All recent congress trades
| Date | Insider | Transaction | Shares | Value |
|---|---|---|---|---|
| Feb 11, 2026 | Li XunChief Financial Officer | Conversion of Exercise of derivative security at price 2.00 per share. | 7.5K | $15.00K |
| Dec 10, 2025 | Simpkins Frank PDirector | Stock Award(Grant) at price 0.00 per share. | 5K | — |
| Dec 10, 2025 | Shea Courtney C.Director | Stock Award(Grant) at price 0.00 per share. | 5K | — |
| Dec 10, 2025 | He HongDirector | Stock Award(Grant) at price 0.00 per share. | 5K | — |
| Sep 10, 2025 | Weichai America CorporationBeneficial Owner of more than 10% of a Class of Security | Sale at price 91.72 - 94.33 per share. | 79.8K | $7.46M |
| Sep 10, 2025 | He HongDirector | Sale at price 94.00 - 95.00 per share. | 2.5K | $236.00K |
| Sep 9, 2025 | Weichai America CorporationBeneficial Owner of more than 10% of a Class of Security | Sale at price 90.28 - 95.20 per share. | 36.6K | $3.38M |
| Sep 8, 2025 | Xykis ConstantineChief Executive Officer | Sale at price 91.31 per share. | 7.9K | $717.17K |
| Sep 8, 2025 | He HongDirector | Sale at price 90.00 - 92.31 per share. | 4K | $365.77K |
| Sep 7, 2025 | He HongDirector | Sale at price 89.00 per share. | 1K | $89.00K |
| Aug 25, 2025 | Weichai America CorporationBeneficial Owner of more than 10% of a Class of Security | Sale at price 80.66 - 89.00 per share. | 94K | $7.83M |
| Aug 24, 2025 | Simpkins Frank PDirector | Sale at price 91.64 per share. | 10K | $916.38K |
| Aug 24, 2025 | Weichai America CorporationBeneficial Owner of more than 10% of a Class of Security | Sale at price 88.78 - 93.18 per share. | 51.4K | $4.68M |
| Aug 24, 2025 | Li XunChief Financial Officer | Purchase at price 92.82 per share. | 300 | $27.85K |
| Aug 24, 2025 | Li XunChief Financial Officer | Sale at price 91.60 - 93.30 per share. | 8K | $738.89K |
| Aug 21, 2025 | Weichai America CorporationBeneficial Owner of more than 10% of a Class of Security | Sale at price 81.57 - 91.20 per share. | 87.2K | $7.70M |
| Aug 20, 2025 | Weichai America CorporationBeneficial Owner of more than 10% of a Class of Security | Sale at price 80.41 - 83.26 per share. | 42.3K | $3.48M |
| Aug 19, 2025 | Weichai America CorporationBeneficial Owner of more than 10% of a Class of Security | Sale at price 80.50 - 81.00 per share. | 15.8K | $1.27M |
| Aug 18, 2025 | Weichai America CorporationBeneficial Owner of more than 10% of a Class of Security | Sale at price 80.24 - 84.32 per share. | 79.7K | $6.46M |
| Aug 17, 2025 | Weichai America CorporationBeneficial Owner of more than 10% of a Class of Security | Sale at price 80.43 - 89.16 per share. | 125.2K | $10.65M |
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 25.4 | 16.5 | -27.1 | 20.4 | -43.1 | -6.7 | -29.0 | 31.5 | 26.6 | 9.0 | −12.3% | ||
| 2025 | 42.2 | -21.1 | -24.2 | -0.2 | 68.0 | 52.7 | 44.9 | -11.6 | 18.5 | -12.8 | -36.8 | 5.7 | +92.1% |
| 2024 | 2.4 | -2.9 | 12.3 | -6.1 | 104.7 | 44.8 | 111.9 | 43.5 | 6.1 | 9.9 | 36.2 | -3.3 | +1351.2% |
| 2023 | 0.0 | -4.0 | -11.5 | 15.7 | -3.4 | -1.8 | -7.1 | 17.3 | 7.5 | -10.1 | -5.1 | -26.8 | −31.7% |
| 2022 | 0.0 | -0.3 | 4.7 | -20.1 | -12.0 | -22.7 | -5.9 | 25.6 | -15.4 | 17.6 | 50.0 | 0.0 | 0.0% |
| 2021 | 45.5 | 49.8 | 2.2 | -6.1 | -30.4 | 27.1 | 23.0 | -33.3 | -20.0 | 7.5 | -2.3 | -28.6 | −9.1% |
| 2020 | 15.2 | -9.1 | -44.4 | -16.3 | 24.7 | -16.7 | -1.2 | -9.4 | -14.8 | 27.5 | -19.8 | 5.8 | −58.2% |
| 2019 | -15.7 | 9.6 | -12.4 | 26.8 | 2.6 | 0.0 | 0.0 | 0.5 | -25.5 | -17.8 | -18.2 | 60.9 | −14.6% |
| 2018 | -6.7 | -6.4 | 13.0 | 1.4 | 23.3 | 3.8 | 22.9 | -0.4 | 0.0 | 2.1 | -23.3 | 0.5 | +23.3% |
| 2017 | -1.3 | -28.4 | 90.4 | -15.8 | 34.7 | -22.3 | 12.4 | -15.0 | 2.4 | 12.1 | -12.8 | -11.8 | −0.0% |
| 2016 | -34.5 | -16.3 | 38.0 | -6.2 | 25.3 | 10.0 | -1.5 | -33.8 | -11.9 | -6.8 | 35.2 | -41.9 | −58.9% |
| 2015 | -14.3 | 27.8 | 13.7 | -0.8 | -13.8 | -1.8 | -23.2 | -24.2 | -27.8 | -20.6 | 30.5 | -22.5 | −64.6% |
| 2014 | -11.4 | 11.4 | 1.4 | 10.1 | -5.8 | -7.7 | -15.1 | 11.9 | 1.0 | -5.1 | 0.2 | -21.4 | −31.3% |
| 2013 | 26.7 | 5.5 | 20.4 | 7.1 | 30.9 | -8.0 | 30.4 | 20.2 | 12.3 | -1.5 | 28.4 | 0.4 | +364.2% |
| 2012 | -4.5 | 4.7 | 0.3 | -1.8 | -7.9 | -5.3 | 6.3 | 5.7 | −3.4% |
Buy / hold / sell counts
Power Solutions International, Inc. designs, engineers, manufactures, markets, and sells engines and power systems in the United States, the rest of North America, the Pacific Rim, Europe, and internationally. The company offers basic engine blocks integrated with fuel system parts, as well as completely packaged power systems, that include combinations of front accessory drives, cooling systems, electronic systems, air intake systems, fuel systems, housings, power takeoff systems, exhaust systems, hydraulic systems, enclosures, brackets, hoses, tubes, packaging, telematics, and other assembled componentry. It also designs and manufactures large, custom-engineered integrated electrical power generation systems for standby and prime power applications; sells emission-certified compression ignition and spark-ignition internal combustion engines; designs and fabricates power system enclosures; and sources electrification components. In addition, the company provides mobile and stationary gensets for emergency standby, rental, prime power, demand response, microgrid, oil and gas, data center, renewable energy resiliency, and combined heat and power; forklifts, wood chippers, stump grinders, sweepers/industrial scrubbers, aerial lift platforms/scissor lifts, irrigation pumps, oil and gas compression, oil lifts, off road utility vehicles, ground support equipment, ice resurfacing equipment, pump jacks, and battery packs; vocational trucks and vans, school buses, transit buses, and terminal and utility tractors; and internal aftermarket and OEM-developed service parts programs. It serves original equipment manufacturers and end-user customers across the power systems, industrial, and transportation end-markets; and large and multinational organizations. The company was founded in 1985 and is headquartered in Wood Dale, Illinois.