POWER SOLUTIONS INTERNATIONAL, INC. (PSIX)
$36.28-$1.49 (-3.94%) Today
Power Solutions International Inc is an America-based company that manufactures, distributes, and services power systems that run on nondiesel fuels, including natural gas, propane, and gasoline. The company's products are designed to meet emission standards imposed by environmental regulatory bodies like the Environmental Protection Agency. Its products are distributed to a wide range of industrial original equipment manufacturers that supply equipment to sectors including power generation, oil and gas, material handling, airport ground support, agricultural, turf, construction and irrigation. The company generates majority of its sales from United States, and also has its presence in North America (outside of United States), Pacific Rim, Europe and Others.
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Grant or award | 1 | 5,867 |
Dollar totals are shown for open-market purchases and sales only. Grants, option exercises, gifts and tax withholding are reported by share count because they are not trades at a market price.
47 Form 4 filings on record, the earliest from Oct 1, 2024, newest first. Filing history page 1 of 2.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Nan (Richard) Hu - Officer | Grant or award | Phantom Stock | 5,867 | $0.00 | - | |
 Xun Li - Officer | Grant or award | Phantom Stock | 1,665 | $0.00 | - | |
| Zhaoying Du - Officer | Grant or award | Phantom Stock | 1,492 | $0.00 | - | |
| Xun Li - Officer | Option exercise | Common Stock | 7,500 | $2.00 | $15K | |
| Xun Li - Officer | Tax withholding / forfeiture | Common Stock | 3,429 | $92.72 | $318K | |
| Xun Li - Officer | Option exercise | Stock Appreciation Rights | 7,500 | $0.00 | - | |
| Hong He | Grant or award | Common Stock | 5,000 | $0.00 | - | |
 Frank P. Simpkins | Grant or award | Common Stock | 5,000 | $0.00 | - | |
| Zhaoying Du - Officer | Grant or award | Stock Appreciation Right | 700 | $0.00 | - | |
| Courtney C. Shea | Grant or award | Common Stock | 5,000 | $0.00 | - | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 6,738 | $91.72 | $618K | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 19,351 | $92.46 | $1.79M | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 23,231 | $93.64 | $2.18M | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 30,519 | $94.33 | $2.88M | |
| Hong He | Open-market sale | Common Stock | 1,000 | $95.00 | $95K | |
| Hong He | Open-market sale | Common Stock | 1,500 | $94.00 | $141K | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 6,308 | $90.28 | $570K | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 5,018 | $91.44 | $459K | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 14,557 | $92.34 | $1.34M | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 2,515 | $93.50 | $235K | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 7,585 | $94.45 | $716K | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 571 | $95.20 | $54K | |
| Hong He | Open-market sale | Common Stock | 1,500 | $90.00 | $135K | |
| Hong He | Open-market sale | Common Stock | 2,500 | $92.31 | $231K | |
| Constantine Xykis - Officer | Open-market sale | Common Stock | 7,854 | $91.31 | $717K | |
| Hong He | Open-market sale | Common Stock | 1,000 | $89.00 | $89K | |
| Xun Li - Officer | Open-market sale | Common Stock | 3,600 | $91.60 | $330K | |
| Xun Li - Officer | Open-market sale | Common Stock | 3,600 | $92.93 | $335K | |
| Xun Li - Officer | Open-market sale | Common Stock | 600 | $93.20 | $56K | |
| Xun Li - Officer | Open-market sale | Common Stock | 200 | $93.30 | $19K | |
| Xun Li - Officer | Open-market purchase | Common Stock | 300 | $92.82 | $28K | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 13,548 | $80.66 | $1.09M | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 21,925 | $81.57 | $1.79M | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 17,075 | $82.49 | $1.41M | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 11,923 | $83.46 | $995K | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 9,949 | $84.35 | $839K | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 2,093 | $85.81 | $180K | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 11,295 | $86.74 | $980K | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 2,676 | $87.52 | $234K | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 3,385 | $88.35 | $299K | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 178 | $89.00 | $16K | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 6,948 | $88.78 | $617K | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 8,102 | $89.48 | $725K | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 9,003 | $90.38 | $814K | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 12,283 | $91.63 | $1.13M | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 11,395 | $92.56 | $1.05M | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 3,695 | $93.18 | $344K | |
| Frank P. Simpkins | Open-market sale | Common Stock | 10,000 | $91.64 | $916K | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 3,308 | $81.57 | $270K | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 3,720 | $82.45 | $307K | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 3,921 | $83.60 | $328K | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 1,665 | $84.74 | $141K | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 4,521 | $85.40 | $386K | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 3,979 | $86.34 | $344K | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 12,294 | $87.57 | $1.08M | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 9,988 | $88.46 | $883K | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 11,263 | $89.52 | $1.01M | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 19,228 | $90.52 | $1.74M | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 13,323 | $91.20 | $1.22M | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 2,647 | $80.41 | $213K | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 11,512 | $81.70 | $941K | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 20,729 | $82.46 | $1.71M | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 7,426 | $83.26 | $618K | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 15,797 | $80.50 | $1.27M | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 5 | $81.00 | $405 | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 45,821 | $80.24 | $3.68M | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 17,263 | $81.57 | $1.41M | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 12,209 | $82.59 | $1.01M | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 2,992 | $83.45 | $250K | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 1,385 | $84.32 | $117K | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 16,215 | $80.43 | $1.30M | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 9,586 | $81.57 | $782K | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 14,670 | $82.52 | $1.21M | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 5,376 | $83.35 | $448K | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 7,049 | $84.31 | $594K | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 11,406 | $85.73 | $978K | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 21,447 | $86.53 | $1.86M | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 21,314 | $87.45 | $1.86M | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 12,303 | $88.32 | $1.09M | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 5,854 | $89.16 | $522K | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 20,770 | $80.41 | $1.67M | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 16,255 | $81.43 | $1.32M | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 15,244 | $82.59 | $1.26M | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 18,371 | $83.51 | $1.53M | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 22,858 | $84.56 | $1.93M | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 22,153 | $85.60 | $1.90M | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 486 | $86.05 | $42K | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 7,136 | $81.80 | $584K | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 28,319 | $82.68 | $2.34M | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 30,760 | $83.50 | $2.57M | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 12,430 | $84.37 | $1.05M | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 10,485 | $85.63 | $898K | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 14,386 | $86.45 | $1.24M | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 8,834 | $87.64 | $774K | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 13,929 | $88.34 | $1.23M | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 9,312 | $89.33 | $832K | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 255 | $90.24 | $23K | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 3,475 | $86.63 | $301K | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 29,411 | $87.64 | $2.58M | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 38,641 | $88.50 | $3.42M | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 26,396 | $89.48 | $2.36M | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 21,651 | $90.45 | $1.96M | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 19,852 | $91.28 | $1.81M | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 6,520 | $92.58 | $604K | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 7,287 | $93.55 | $682K | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 1,101 | $94.49 | $104K | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 7,582 | $95.42 | $723K | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 197 | $96.20 | $19K | |
| Hong He | Open-market sale | Common Stock | 2,500 | $90.03 | $225K | |
| Xun Li - Officer | Option exercise | Common Stock | 15,000 | $2.00 | $30K | |
| Xun Li - Officer | Tax withholding / forfeiture | Common Stock | 6,779 | $95.45 | $647K | |
| Xun Li - Officer | Option exercise | Stock Appreciation Rights | 15,000 | $0.00 | - | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 478 | $87.88 | $42K | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 5,874 | $88.48 | $520K | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 1,349 | $89.34 | $121K | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 8,517 | $90.28 | $769K | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 10,618 | $91.61 | $973K | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 12,651 | $92.42 | $1.17M | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 12,436 | $93.65 | $1.16M | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 15,838 | $94.47 | $1.50M | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 46,827 | $95.52 | $4.47M | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 9,176 | $96.19 | $883K | |
| Weichai America Corp. - 10% Owner | Open-market sale | Common Stock | 58 | $97.02 | $6K | |
| Frank P. Simpkins | Open-market sale | Common Stock | 108 | $91.74 | $10K | |
| Frank P. Simpkins | Open-market sale | Common Stock | 384 | $92.52 | $36K | |
| Frank P. Simpkins | Open-market sale | Common Stock | 282 | $93.68 | $26K | |
| Frank P. Simpkins | Open-market sale | Common Stock | 912 | $94.46 | $86K | |
| Frank P. Simpkins | Open-market sale | Common Stock | 3,108 | $95.46 | $297K | |
| Frank P. Simpkins | Open-market sale | Common Stock | 206 | $96.21 | $20K |
POWER SOLUTIONS INTERNATIONAL, INC. (PSIX) had 1 insider filing in the last 90 days, with the most recent on 2026-08-17. The full record for PSIX runs to 47 Form 4 filings, the earliest from 2024-10-01. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
No insider purchases of PSIX were filed in the last 90 days. 1 purchase is on record for this company.
No insider sales of PSIX were filed in the last 90 days. 127 sales are on record for this company.
This page tracks PSIX Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
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Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
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