9 insiders reported 337 Form 4 transactions for POWER SOLUTIONS INTERNATIONAL, INC. (PSIX) over the past 18 months (most recent 2026-02-17). Recent activity: Li Xun (CFO) Sell 3,429 shares, Li Xun (CFO) Buy 7,500 shares, SIMPKINS FRANK P (Director) Buy 5,000 shares, He Hong (Director) Buy 5,000 shares, Shea Courtney C. (Director) Buy 5,000 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-02-17 | Li Xun | CFO | Sell | 3,429 | $317,937 |
| 2026-02-17 | Li Xun | CFO | Buy | 7,500 | $15,000 |
| 2025-12-12 | SIMPKINS FRANK P | Director | Buy | 5,000 | $0 |
| 2025-12-12 | He Hong | Director | Buy | 5,000 | $0 |
| 2025-12-12 | Shea Courtney C. | Director | Buy | 5,000 | $0 |
| 2025-09-15 | Weichai Power Co., Ltd. | Insider | Sell | 23,231 | $2.2M |
| 2025-09-15 | Weichai America Corp. | Insider | Sell | 6,738 | $618,009 |
| 2025-09-15 | Shandong Heavy Industry Group Co., Ltd. | Insider | Sell | 6,738 | $618,009 |
| 2025-09-15 | Weichai Power Co., Ltd. | Insider | Sell | 19,351 | $1.8M |
| 2025-09-15 | Shandong Heavy Industry Group Co., Ltd. | Insider | Sell | 19,351 | $1.8M |
| 2025-09-15 | Weichai America Corp. | Insider | Sell | 19,351 | $1.8M |
| 2025-09-15 | Weichai America Corp. | Insider | Sell | 23,231 | $2.2M |
| 2025-09-15 | Weichai Power Co., Ltd. | Insider | Sell | 6,738 | $618,009 |
| 2025-09-15 | Shandong Heavy Industry Group Co., Ltd. | Insider | Sell | 23,231 | $2.2M |
| 2025-09-15 | Weichai Power Co., Ltd. | Insider | Sell | 30,519 | $2.9M |
| 2025-09-15 | Shandong Heavy Industry Group Co., Ltd. | Insider | Sell | 30,519 | $2.9M |
| 2025-09-15 | Weichai America Corp. | Insider | Sell | 30,519 | $2.9M |
| 2025-09-12 | He Hong | Director | Sell | 1,000 | $95,000 |
| 2025-09-12 | He Hong | Director | Sell | 1,500 | $141,000 |
| 2025-09-12 | Weichai Power Co., Ltd. | Insider | Sell | 6,308 | $569,486 |
| 2025-09-12 | Shandong Heavy Industry Group Co., Ltd. | Insider | Sell | 6,308 | $569,486 |
| 2025-09-12 | Weichai America Corp. | Insider | Sell | 6,308 | $569,486 |
| 2025-09-12 | Weichai Power Co., Ltd. | Insider | Sell | 5,018 | $458,846 |
| 2025-09-12 | Shandong Heavy Industry Group Co., Ltd. | Insider | Sell | 5,018 | $458,846 |
| 2025-09-12 | Weichai America Corp. | Insider | Sell | 5,018 | $458,846 |
Source: SEC Form 4 filings · as of 2026-02-17