POWER SOLUTIONS INTERNATIONAL, INC. Insider Trading Activity
Every SEC Form 4 insider transaction reported for POWER SOLUTIONS INTERNATIONAL, INC. (PSIX), sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud · Insider-trading data from SEC EDGAR
Latest filing:
Compiled automatically from SEC EDGAR Form 4 filings and refreshed daily. Figures count purchases (code P) and sales (code S) only — not grants, option exercises, or gifts. How this page is built. Not investment advice.
Quick Answer
Are PSIX insiders buying or selling?
POWER SOLUTIONS INTERNATIONAL, INC. insiders reported no open-market purchases or sales in the last 12 months. Since March 2020, Trabud has recorded 111 Form 4 filings for PSIX: 35 buys ($496.6K) and 76 sells ($104.7M).
Source: SEC EDGAR Form 4
Key Statistics (March 2020 – Sep 15, 2025)
Total Form 4 filings
111
SEC EDGAR
Insider filers
7
Insider buys (35)
$496.6K
Insider sells (76)
$104.7M
Insider sentiment
Net sellingNet insider flow of $104.2M in net selling since March 2020.
Recent PSIX insider transactions
| Date | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Sep 15, 2025 | Weichai America Corp. | 10% Owner | Sale | 79.8K | $93.46 | $7.5M | SEC ↗ |
| Sep 12, 2025 | Hong He | Director | Sale | 2.5K | $94.40 | $236.0K | SEC ↗ |
| Sep 12, 2025 | Weichai America Corp. | 10% Owner | Sale | 36.6K | $92.42 | $3.4M | SEC ↗ |
| Sep 11, 2025 | Constantine Xykis | CEO | Sale | 7.9K | $91.31 | $717.2K | SEC ↗ |
| Sep 11, 2025 | Hong He | Director | Sale | 4.0K | $91.44 | $365.8K | SEC ↗ |
| Sep 10, 2025 | Hong He | Director | Sale | 1.0K | $89.00 | $89.0K | SEC ↗ |
| Aug 28, 2025 | Weichai America Corp. | 10% Owner | Sale | 94.0K | $83.28 | $7.8M | SEC ↗ |
| Aug 27, 2025 | Weichai America Corp. | 10% Owner | Sale | 51.4K | $91.00 | $4.7M | SEC ↗ |
| Aug 27, 2025 | Frank P Simpkins | Director | Sale | 10.0K | $91.64 | $916.4K | SEC ↗ |
| Aug 27, 2025 | Xun Li | CFO | Sale | 7.7K | $92.34 | $711.0K | SEC ↗ |
| Aug 26, 2025 | Weichai America Corp. | 10% Owner | Sale | 87.2K | $88.28 | $7.7M | SEC ↗ |
| Aug 25, 2025 | Weichai America Corp. | 10% Owner | Sale | 42.3K | $82.27 | $3.5M | SEC ↗ |
| Aug 22, 2025 | Weichai America Corp. | 10% Owner | Sale | 15.8K | $80.50 | $1.3M | SEC ↗ |
| Aug 21, 2025 | Weichai America Corp. | 10% Owner | Sale | 79.7K | $81.08 | $6.5M | SEC ↗ |
| Aug 19, 2025 | Weichai America Corp. | 10% Owner | Sale | 116.1K | $83.16 | $9.7M | SEC ↗ |
| Aug 18, 2025 | Weichai America Corp. | 10% Owner | Sale | 135.8K | $84.98 | $11.5M | SEC ↗ |
| Aug 15, 2025 | Weichai America Corp. | 10% Owner | Sale | 162.1K | $89.83 | $14.6M | SEC ↗ |
| Aug 15, 2025 | Hong He | Director | Sale | 2.5K | $90.03 | $225.1K | SEC ↗ |
| Aug 14, 2025 | Weichai America Corp. | 10% Owner | Sale | 123.8K | $93.81 | $11.6M | SEC ↗ |
| Aug 14, 2025 | Frank P Simpkins | Director | Sale | 5.0K | $94.90 | $474.5K | SEC ↗ |
| Apr 16, 2025 | Gary S Winemaster | 10% Owner | Sale | 2.0K | $23.27 | $46.5K | SEC ↗ |
| Jan 27, 2025 | Gary S Winemaster | 10% Owner | Sale | 52.8K | $39.43 | $2.1M | SEC ↗ |
| Jan 17, 2025 | Gary S Winemaster | 10% Owner | Sale | 15.2K | $37.05 | $562.5K | SEC ↗ |
| Dec 30, 2024 | Gary S Winemaster | 10% Owner | Sale | 56.7K | $28.46 | $1.6M | SEC ↗ |
| Dec 4, 2024 | Gary S Winemaster | 10% Owner | Sale | 25.0K | $31.62 | $790.6K | SEC ↗ |
Showing the 25 most recent of 111 Form 4 filings for POWER SOLUTIONS INTERNATIONAL, INC..
Most active PSIX insiders
- Gary S Winemaster56 filings
- Neil Gagnon35 filings
- Weichai America Corp.12 filings
- Hong He4 filings
- Frank P Simpkins2 filings
Ask anything about PSIX insider activity
Use Trabud's AI agent to query POWER SOLUTIONS INTERNATIONAL, INC.'s Form 4 history in plain English — "Show me PSIX CEO purchases this year" or compare it against any other ticker.
Open the AI agentPSIX insider trading FAQ
Are POWER SOLUTIONS INTERNATIONAL, INC. insiders buying or selling?
POWER SOLUTIONS INTERNATIONAL, INC. insiders reported no open-market purchases or sales in the last 12 months. Since March 2020, Trabud has recorded 111 Form 4 filings for PSIX: 35 buys ($496.6K) and 76 sells ($104.7M). Over the full record that is net selling of $104.2M.
How many insiders trade PSIX stock?
7 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for POWER SOLUTIONS INTERNATIONAL, INC.. The most recent filing was accepted on Sep 15, 2025.
Where does Trabud get PSIX insider trading data?
All PSIX insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.