POWER SOLUTIONS INTERNATIONAL, INC.

PSIX

PSIX has 29 disclosed filings on Paydirt over the past 24 months from 8 corporate insiders: 0 purchases and 29 sales, 5 filed past the deadline. Filers took a median of 2 days from execution to disclosure, and the most recent trade was executed Sep 11 2025 and filed Sep 15 2025. The most active filer was Gary S Winemaster with 8 filings.

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Filings, 24m

0 buys · 29 sells · 5 late

Traders, 24m

8 insiders

Volume, 24miDollar value disclosed in the window

$111.6M

estimated for Congress, as filed for insiders

Median delay

execution to disclosure

Last traded

Sep 11 2025

Filed Sep 15 2025

ADViAverage daily dollar volume

–

not on file

Share price · 12M

$30.69 (-73.3%)

Adjusted for splits and dividends.

Volume by month

Buys $0 Sells $111.6M

Estimated for Congress, as filed for insiders · by filing month · past 24 months

Who filed

GW Gary S Winemaster 10% owner 8 filings WL Weichai Power Co., Ltd. 10% owner 6 filings WC Weichai America Corp. 10% owner 5 filings HH Hong He Director 3 filings FS Frank P Simpkins Director 2 filings SL Shandong Heavy Industry Group Co., Ltd. 10% owner 2 filings CX Constantine Xykis CEO 2 filings XL Xun Li CFO 1 filing

Recent filings

Weichai Power Co., Ltd.SALE 10% owner $7.5M
79,839 sh across 4 lots
Exec Sep 11 2025
Filed Sep 15 2025 · 5:30 PM ET Weichai Power Co., Ltd.SALE 10% owner $3.3M
35,983 sh across 5 lots
Exec Sep 10 2025
Filed Sep 12 2025 · 5:30 PM ET Hong HeSALE Director $141K
1,500 sh × $94.00
Exec Sep 11 2025
Filed Sep 12 2025 · 5:30 PM ET Hong HeSALE Director $366K
4,000 sh across 2 lots
Exec Sep 9 2025
Filed Sep 11 2025 · 5:30 PM ET Constantine XykisSALE CEO $717K
7,854 sh × $91.31
Exec Sep 9 2025
Filed Sep 11 2025 · 5:30 PM ET Shandong Heavy Industry Group Co., Ltd.SALE 10% owner $7.8M
93,869 sh across 9 lots
Exec Aug 26 2025
Filed Aug 28 2025 · 5:30 PM ET Xun LiSALE CFO $664K
7,200 sh across 2 lots
Exec Aug 25 2025
Filed Aug 27 2025 · 5:30 PM ET Frank P SimpkinsSALE Director $916K
10,000 sh × $91.64
Exec Aug 25 2025
Filed Aug 27 2025 · 5:30 PM ET Weichai Power Co., Ltd.SALE 10% owner $4.7M
51,426 sh across 6 lots
Exec Aug 25 2025
Filed Aug 27 2025 · 5:30 PM ET Weichai America Corp.SALE 10% owner $7.7M
87,210 sh across 11 lots
Exec Aug 22 2025
Filed Aug 26 2025 · 5:30 PM ET Weichai America Corp.SALE 10% owner $3.5M
42,314 sh across 4 lots
Exec Aug 21 2025
Filed Aug 25 2025 · 5:30 PM ET Weichai Power Co., Ltd.SALE 10% owner $1.3M
15,797 sh × $80.50
Exec Aug 20 2025
Filed Aug 22 2025 · 5:30 PM ET Weichai America Corp.SALE 10% owner $6.5M
79,670 sh across 5 lots
Exec Aug 19 2025
Filed Aug 21 2025 · 5:30 PM ET Weichai Power Co., Ltd.SALE 10% owner $10.6M
125,220 sh across 10 lots
Exec Aug 18 2025
Filed Aug 20 2025 · 5:30 PM ET Weichai America Corp.SALE 10% owner $9.6M
115,651 sh across 6 lots
Exec Aug 15 2025
Filed Aug 19 2025 · 5:30 PM ET Weichai America Corp.SALE 10% owner $11.5M
135,591 sh across 9 lots
Exec Aug 14 2025
Filed Aug 18 2025 · 5:30 PM ET Hong HeSALE Director $225K
2,500 sh × $90.03
Exec Aug 13 2025
Filed Aug 15 2025 · 5:30 PM ET Weichai Power Co., Ltd.SALE 10% owner $14.5M
161,916 sh across 10 lots
Exec Aug 13 2025
Filed Aug 15 2025 · 5:30 PM ET Frank P SimpkinsSALE Director $297K
3,108 sh × $95.46
Exec Aug 12 2025
Filed Aug 14 2025 · 5:30 PM ET Constantine XykisSALE CEO $2.5M
26,005 sh across 2 lots
Exec Aug 12 2025
Filed Aug 14 2025 · 5:30 PM ET Shandong Heavy Industry Group Co., Ltd.SALE 10% owner $11.6M
123,286 sh across 9 lots
Exec Aug 12 2025
Filed Aug 14 2025 · 5:30 PM ET Gary S WinemasterSALE 10% owner $2.1M
52,821 sh across 3 lots
Exec Jan 21 2025
Filed Jan 27 2025 · 5:30 PM ET † Gary S WinemasterSALE 10% owner $562K
15,181 sh × $37.05
Exec Jan 14 2025
Filed Jan 17 2025 · 5:30 PM ET † Gary S WinemasterSALE 10% owner $1.6M
54,976 sh across 2 lots
Exec Dec 23 2024
Filed Dec 30 2024 · 5:30 PM ET † Gary S WinemasterSALE 10% owner $790K
25,000 sh × $31.62
Exec Dec 2 2024
Filed Dec 4 2024 · 5:30 PM ET