Insider Transactions Reported by 22 Insiders of POWER SOLUTIONS INTERNATIONAL, INC.

Symbol
PSIX on Nasdaq
Location
Wood Dale, IL

Insiders trading volume in the past year

POWER SOLUTIONS INTERNATIONAL, INC. executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Report Date
Weichai America Corp. 10%+ Owner $999,855,126 -$100,288,138 -9.1% 11 Sep 2025
Gary S. Winemaster former 10% owner $55,234,330 -$46,548 -0.08% 21 Apr 2025
Neil Gagnon Former 10% Owner $19,933,893 03 Oct 2024
FRANK P. SIMPKINS Director $1,938,900 -$1,390,904 -42% 11 Dec 2025
Kenneth W. Landini Director $1,865,739 12 Dec 2024
Hong He Director $1,534,962 -$915,840 -37% 11 Dec 2025
Constantine Xykis Ceo $640,612 -$3,209,769 -83% 09 Sep 2025
Xun Li Cfo $425,770 -$711,046 -63% 12 Feb 2026
Courtney C. Shea Director $323,150 11 Dec 2025
Fabrizio Mozzi Director $23,830 15 Sep 2022
Guogang Wu Director $12,955 22 Dec 2021
Zhao Jin Director 09 Oct 2025
LEI LEI Director 07 Dec 2021
Fuzhang Yu Director 25 Jul 2023
Junhua Gu Officer 13 Jun 2022
Du Zhaoying GC and Corp Secy 11 Dec 2025
Randall Lehner General Counsel 21 Mar 2024
Matthew Joseph Thomas Corporate Controller 02 Sep 2022
Gengsheng Zhang Director 16 Sep 2022
Jiwen Zhang Director 29 Mar 2023
Xuesen Yang Director 09 Oct 2025
Lance Michael Arnett Chief Executive Officer 18 Mar 2022

Recent Insider Transactions by Companies or Individuals for POWER SOLUTIONS INTERNATIONAL, INC.

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
Xun Li PSIX Common Stock Tax liability -42.8% -3,429 4,592 12 Feb 2026 Direct
Xun Li PSIX Common Stock Options Exercise 1439.5% 7,500 8,021 12 Feb 2026 Direct
Xun Li PSIX Stock Appreciation Rights Options Exercise -50% -7,500 7,500 12 Feb 2026 Direct
Hong He PSIX Common Stock Award 26.7% 5,000 23,750 11 Dec 2025 Direct
FRANK P. SIMPKINS PSIX Common Stock Award 20% 5,000 30,000 11 Dec 2025 Direct
Du Zhaoying PSIX Stock Appreciation Right Award 700 700 11 Dec 2025 Direct
Courtney C. Shea PSIX Common Stock Award 5,000 5,000 11 Dec 2025 Direct
Weichai America Corp. PSIX Common Stock Sale -0.75% $7,461,417 $93.46 -79,839 10,599,759 11 Sep 2025 See Explanation of Responses
Hong He PSIX Common Stock Sale -7.41% $141,000 $94.00 -1,500 18,750 11 Sep 2025 Direct
Hong He PSIX Common Stock Sale -4.71% $95,000 $95.00 -1,000 20,250 10 Sep 2025 Direct
Weichai America Corp. PSIX Common Stock Sale -0.34% $3,378,488 $92.42 -36,554 10,679,598 10 Sep 2025 See Explanation of Responses
Constantine Xykis PSIX Common Stock Sale -100% $717,172 $91.31 -7,854 0 09 Sep 2025 Direct
Hong He PSIX Common Stock Sale -15.8% $365,775 $91.44 -4,000 21,250 09 Sep 2025 Direct
Hong He PSIX Common Stock Sale -3.81% $89,000 $89.00 -1,000 25,250 08 Sep 2025 Direct
Weichai America Corp. PSIX Common Stock Sale -0.87% $7,832,204 $83.28 -94,047 10,716,152 26 Aug 2025 See Explanation of Responses
Weichai America Corp. PSIX Common Stock Sale -0.47% $4,679,927 $91.00 -51,426 10,810,199 25 Aug 2025 See Explanation of Responses
Frank P Simpkins PSIX Common Stock Sale -28.6% $916,380 $91.64 -10,000 25,000 25 Aug 2025 Direct
Xun Li PSIX Common Stock Purchase 135.8% $27,846 $92.82 300 521 25 Aug 2025 Direct
Xun Li PSIX Common Stock Sale -97.3% $738,892 $92.36 -8,000 221 25 Aug 2025 Direct
Weichai America Corp. PSIX Common Stock Sale -0.8% $7,698,957 $88.28 -87,210 10,861,625 22 Aug 2025 See Explanation of Responses
Weichai America Corp. PSIX Common Stock Sale -0.38% $3,481,022 $82.27 -42,314 10,948,835 21 Aug 2025 See Explanation of Responses
Weichai America Corp. PSIX Common Stock Sale -0.14% $1,272,015 $80.50 -15,802 10,991,149 20 Aug 2025 See Explanation of Responses
Weichai America Corp. PSIX Common Stock Sale -0.72% $6,459,804 $81.08 -79,670 11,006,951 19 Aug 2025 See Explanation of Responses
Weichai America Corp. PSIX Common Stock Sale -1.12% $10,645,177 $85.01 -125,220 11,086,621 18 Aug 2025 See Explanation of Responses
Weichai America Corp. PSIX Common Stock Sale -1.03% $9,658,003 $83.16 -116,137 11,211,841 15 Aug 2025 See Explanation of Responses
Weichai America Corp. PSIX Common Stock Sale -1.18% $11,543,627 $84.98 -135,846 11,327,978 14 Aug 2025 See Explanation of Responses
Weichai America Corp. PSIX Common Stock Sale -1.39% $14,562,344 $89.83 -162,113 11,463,824 13 Aug 2025 See Explanation of Responses
Hong He PSIX Common Stock Sale -8.7% $225,065 $90.03 -2,500 26,250 13 Aug 2025 Direct
Xun Li PSIX Common Stock Tax liability -45.2% -6,779 8,221 12 Aug 2025 Direct
Xun Li PSIX Common Stock Options Exercise 15,000 15,000 12 Aug 2025 Direct
Xun Li PSIX Stock Appreciation Rights Options Exercise -50% -15,000 15,000 12 Aug 2025 Direct
Weichai America Corp. PSIX Common Stock Sale -1.05% $11,615,154 $93.81 -123,822 11,625,937 12 Aug 2025 See Explanation of Responses
Constantine Xykis PSIX Common Stock Sale -76.8% $2,492,596 $95.85 -26,005 7,854 12 Aug 2025 Direct
Frank P Simpkins PSIX Common Stock Sale -12.5% $474,524 $94.90 -5,000 35,000 12 Aug 2025 Direct
Constantine Xykis PSIX Common Stock Disposed to Issuer -30.7% -14,996 33,859 18 Jul 2025 Direct
Constantine Xykis PSIX Common Stock Options Exercise 44.3% 14,996 48,855 18 Jul 2025 Direct
Constantine Xykis PSIX Stock Appreciation Rights Options Exercise -34.6% -14,996 28,334 18 Jul 2025 Direct
Constantine Xykis PSIX Common Stock Disposed to Issuer -50.8% -35,000 33,859 11 Jun 2025 Direct
Constantine Xykis PSIX Common Stock Options Exercise 103.4% 35,000 68,859 11 Jun 2025 Direct
Constantine Xykis PSIX Stock Appreciation Rights Options Exercise -44.7% -35,000 43,330 11 Jun 2025 Direct
Constantine Xykis PSIX Common Stock Disposed to Issuer -40.8% -23,333 33,859 02 Jun 2025 Direct
Constantine Xykis PSIX Common Stock Options Exercise 85.8% 23,333 50,522 02 Jun 2025 Direct
Constantine Xykis PSIX Stock Appreciation Rights Options Exercise -100% -23,333 0 02 Jun 2025 Direct
Constantine Xykis PSIX Common Stock Disposed to Issuer -40.8% -23,333 33,859 30 May 2025 Direct
Constantine Xykis PSIX Common Stock Options Exercise 85.8% 23,333 50,522 30 May 2025 Direct
Constantine Xykis PSIX Stock Appreciation Rights Options Exercise -100% -23,333 0 30 May 2025 Direct
Gary S. Winemaster PSIX Common Stock Gift -25.8% -760,172 2,184,109 21 Apr 2025 Direct
Gary S. Winemaster PSIX Common Stock Sale -0.07% $46,548 $23.27 -2,000 2,944,281 11 Apr 2025 Direct
Gary S. Winemaster PSIX Common Stock Sale -1.17% $1,420,180 $40.77 -34,838 2,946,281 22 Jan 2025 Direct
Gary S. Winemaster PSIX Common Stock Sale -0.6% $662,427 $36.84 -17,983 2,981,119 21 Jan 2025 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.