POWER SOLUTIONS INTERNATIONAL, INC. — Insider Transactions
Form 4 filings by directors, officers, and 10%+ shareholders
SEC rules require corporate insiders — including directors, executive officers, and any shareholder owning more than 10% of a company's shares — to report changes in their ownership within two business days of a transaction. These disclosures are filed as Form 4. Open-market purchases (code P) are generally considered the most meaningful signal, as insiders are spending their own money.
| Insider | Title | Type | Shares | Price | Value | Owns After | Date |
|---|---|---|---|---|---|---|---|
| He Hong | — | Award / Grant | 5,000 | — | — | 23,750 | Dec 11, 2025 |
| SIMPKINS FRANK P | — | Award / Grant | 5,000 | — | — | 30,000 | Dec 11, 2025 |
| Shea Courtney C. | — | Award / Grant | 5,000 | — | — | 5,000 | Dec 11, 2025 |
| Weichai Power Co., Ltd. | — | Sale | 30,519 | $94.33 | $2,878,857 | 10,599,759 | Sep 11, 2025 |
| He Hong | — | Sale | 1,500 | $94.00 | $141,000 | 18,750 | Sep 10, 2025 |
| Weichai Power Co., Ltd. | — | Sale | 5,018 | $91.44 | $458,846 | 10,704,826 | Sep 10, 2025 |
| Xykis Constantine | CEO | Sale | 7,854 | $91.31 | $717,149 | — | Sep 9, 2025 |
| He Hong | — | Sale | 2,500 | $92.31 | $230,775 | 21,250 | Sep 9, 2025 |
| He Hong | — | Sale | 1,000 | $89.00 | $89,000 | 25,250 | Sep 8, 2025 |
| Shandong Heavy Industry Group Co., Ltd. | — | Sale | 2,093 | $85.81 | $179,600 | 10,733,686 | Aug 26, 2025 |
| Weichai Power Co., Ltd. | — | Sale | 12,283 | $91.63 | $1,125,491 | 10,825,289 | Aug 25, 2025 |
| SIMPKINS FRANK P | — | Sale | 10,000 | $91.64 | $916,400 | 25,000 | Aug 25, 2025 |
| Li Xun | CFO | Sale | 3,600 | $91.60 | $329,760 | 4,621 | Aug 25, 2025 |
| Weichai America Corp. | — | Sale | 3,720 | $82.45 | $306,714 | 10,941,807 | Aug 22, 2025 |
| Weichai America Corp. | — | Sale | 20,729 | $82.46 | $1,709,313 | 10,956,261 | Aug 21, 2025 |
| Weichai Power Co., Ltd. | — | Sale | 5 | $81.00 | $405 | 10,991,149 | Aug 20, 2025 |
| Weichai America Corp. | — | Sale | 12,209 | $82.59 | $1,008,341 | 11,011,328 | Aug 19, 2025 |
| Weichai Power Co., Ltd. | — | Sale | 11,406 | $85.73 | $977,836 | 11,147,539 | Aug 18, 2025 |
| Weichai America Corp. | — | Sale | 486 | $86.05 | $41,820 | 11,211,841 | Aug 15, 2025 |
| Weichai America Corp. | — | Sale | 8,834 | $87.64 | $774,212 | 11,351,474 | Aug 14, 2025 |
| Weichai Power Co., Ltd. | — | Sale | 197 | $96.20 | $18,951 | 11,463,824 | Aug 13, 2025 |
| He Hong | — | Sale | 2,500 | $90.03 | $225,075 | 26,250 | Aug 13, 2025 |
| Li Xun | CFO | Tax Withholding | 6,779 | $95.45 | $647,056 | 8,221 | Aug 12, 2025 |
| Shandong Heavy Industry Group Co., Ltd. | — | Sale | 9,176 | $96.19 | $882,639 | 11,625,995 | Aug 12, 2025 |
| Xykis Constantine | CEO | Sale | 13,027 | $96.20 | $1,253,197 | 7,854 | Aug 12, 2025 |
| SIMPKINS FRANK P | — | Sale | 282 | $93.68 | $26,418 | 39,226 | Aug 12, 2025 |
| Xykis Constantine | CEO | Disposition | 14,996 | $90.00 | $1,349,640 | 33,859 | Jul 18, 2025 |
| Xykis Constantine | CEO | Disposition | 35,000 | $49.99 | $1,749,650 | 33,859 | Jun 11, 2025 |
| Xykis Constantine | CEO | Disposition | 16,663 | $42.37 | $706,011 | 33,859 | Jun 2, 2025 |
| Xykis Constantine | CEO | Disposition | 6,670 | $42.37 | $282,608 | 33,859 | May 30, 2025 |
| Winemaster Gary S | — | Gift | 760,172 | — | — | 2,184,109 | Apr 21, 2025 |
| Winemaster Gary S | — | Sale | 2,000 | $23.27 | $46,540 | 2,944,281 | Apr 11, 2025 |
| Winemaster Gary S | — | Sale | 9,938 | $41.09 | $408,352 | 2,946,281 | Jan 21, 2025 |
| Winemaster Gary S | — | Sale | 15,181 | $37.05 | $562,456 | 2,999,102 | Jan 14, 2025 |
| Winemaster Gary S | — | Sale | 1,753 | $30.00 | $52,590 | 3,014,283 | Dec 23, 2024 |
| SIMPKINS FRANK P | — | Award / Grant | 5,000 | — | — | 40,000 | Dec 12, 2024 |
| He Hong | — | Award / Grant | 5,000 | — | — | 28,750 | Dec 12, 2024 |
| Landini Kenneth W | — | Award / Grant | 5,000 | — | — | 59,000 | Dec 12, 2024 |
| Winemaster Gary S | — | Sale | 25,000 | $31.62 | $790,500 | 3,071,012 | Dec 2, 2024 |
| Winemaster Gary S | — | Sale | 4,296 | $22.09 | $94,899 | 3,096,012 | Nov 5, 2024 |
| Winemaster Gary S | — | Sale | 4,918 | $25.21 | $123,983 | 3,100,308 | Oct 17, 2024 |
| Xykis Constantine | CEO | Option Exercise | 1,500 | $11.25 | $16,875 | 26,839 | Oct 1, 2024 |
| Winemaster Gary S | — | Sale | 4,282 | $20.50 | $87,781 | 3,105,226 | Sep 27, 2024 |
| Winemaster Gary S | — | Sale | 7,370 | $20.03 | $147,621 | 3,140,200 | Sep 25, 2024 |
| Winemaster Gary S | — | Sale | 40,000 | $19.48 | $779,200 | 3,147,570 | Sep 19, 2024 |
| Winemaster Gary S | — | Sale | 1,000 | $19.39 | $19,390 | 3,206,560 | Sep 9, 2024 |
| Winemaster Gary S | — | Sale | 19,000 | $19.72 | $374,680 | 3,207,560 | Sep 4, 2024 |
| Winemaster Gary S | — | Sale | 3,906 | $12.88 | $50,309 | 3,228,697 | Jul 29, 2024 |
| Winemaster Gary S | — | Sale | 9,105 | $11.90 | $108,350 | 3,242,703 | Jul 26, 2024 |
| Xykis Constantine | See Remarks | Tax Withholding | 13,495 | $4.49 | $60,593 | 25,339 | May 15, 2024 |