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Power Solutions International, Inc.

PSIX
Exchange
Nasdaq
Industry
Engines & Turbines
SEC CIK
0001137091

No open-market purchases or sales by Power Solutions International, Inc. insiders were filed in the last 90 days; 157 institutions reported holding it in 13F filings for Q2 2026, worth $328.5M in total; no superinvestor holds it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by Power Solutions International, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
0 filings
Open-market sells
0 filings
Insiders trading
0
Net value
$0
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for Power Solutions International, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for Power Solutions International, Inc.
NameTitleLast reported holdingLast filingFilings, past year
Hu Nan (Richard)Chief Executive Officer–Aug 17, 20261
Li XunCFO4,592Apr 17, 20262
Du ZhaoyingGC and Corp Secy–Apr 17, 20262
Simpkins Frank PDirector30,000Dec 12, 20251
Shea Courtney C.Director5,000Dec 12, 20251
He HongDirector23,750Dec 12, 20251
Weichai America Corp.10% Owner10,599,759IndirectSep 15, 20250
Shandong Heavy Industry Group Co., Ltd.10% Owner10,599,759IndirectSep 15, 20250
Weichai Power Co., Ltd.10% Owner10,599,759IndirectSep 15, 20250
Xykis ConstantineCEO0Sep 11, 20250
Winemaster Gary SOther: former 10% owner2,184,109Apr 23, 20250
Landini Kenneth WDirector59,000Dec 16, 20240
Gagnon NeilOther: Former 10% Owner121,024IndirectOct 7, 20240
Mozzi FabrizioDirector7,917Sep 16, 20220
Thomas Matthew JosephCorporate Controller–Sep 6, 20220
Arnett Lance MichaelChief Executive Officer–Mar 25, 20220
Wu GuogangDirector4,304Feb 1, 20220

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Sep 15, 2025 (view filing)5:02 PM ETSep 114 daysWeichai America Corp. and 2 others10% OwnerSSale−79.8K$93.46−$7.46M−0.7%10.6M after4 lots
Sep 12, 2025 (view filing)4:00 PM ETSep 102 daysWeichai America Corp. and 2 others10% OwnerSSale−36.6K$92.42−$3.38M−0.3%10.7M after6 lots
Sep 12, 2025 (view filing)Sep 10-112 daysHe HongDirectorSSale−2.50K$94.40−$236.0K−11.8%18.8K after2 lots
Sep 11, 2025 (view filing)Sep 92 daysXykis ConstantineCEOSSale−7.85K$91.31−$717.1K−100.0%0 after
Sep 11, 2025 (view filing)Sep 92 daysHe HongDirectorSSale−4.00K$91.44−$365.8K−15.8%21.3K after2 lots
Sep 10, 2025 (view filing)Sep 82 daysHe HongDirectorSSale−1.00K$89.00−$89.0K−3.8%25.3K after
Aug 28, 2025 (view filing)4:01 PM ETAug 262 daysWeichai America Corp. and 2 others10% OwnerSSale−94.0K$83.28−$7.83M−0.9%10.7M after10 lots
Aug 27, 2025 (view filing)4:00 PM ETAug 252 daysWeichai America Corp. and 2 others10% OwnerSSale−51.4K$91.00−$4.68M−0.5%10.8M after6 lots
Aug 27, 2025 (view filing)Aug 252 daysSimpkins Frank PDirectorSSale−10.0K$91.64−$916.4K−28.6%25.0K after
Aug 27, 2025 (view filing)Aug 252 daysLi XunCFOSSale−8.00K$92.36−$738.9K−97.3%221 after4 lots
Aug 27, 2025 (view filing)Aug 252 daysLi XunCFOPPurchase+300$92.82+$27.8K+135.7%521 after
Aug 26, 2025 (view filing)4:01 PM ETAug 224 daysWeichai America Corp. and 2 others10% OwnerSSale−87.2K$88.28−$7.70M−0.8%10.9M after11 lots
Aug 25, 2025 (view filing)4:01 PM ETAug 214 daysWeichai America Corp. and 2 others10% OwnerSSale−42.3K$82.27−$3.48M−0.4%10.9M after4 lots
Aug 22, 2025 (view filing)4:01 PM ETAug 202 daysWeichai America Corp. and 2 others10% OwnerSSale−15.8K$80.50−$1.27M−0.1%11.0M after2 lots
Aug 21, 2025 (view filing)4:15 PM ETAug 192 daysWeichai America Corp. and 2 others10% OwnerSSale−79.7K$81.08−$6.46M−0.7%11.0M after5 lots
Aug 20, 2025 (view filing)4:01 PM ETAug 182 daysWeichai America Corp. and 2 others10% OwnerSSale−125.2K$85.01−$10.6M−1.1%11.1M after10 lots
Aug 19, 2025 (view filing)4:05 PM ETAug 154 daysWeichai America Corp. and 2 others10% OwnerSSale−116.1K$83.16−$9.66M−1.0%11.2M after7 lots
Aug 18, 2025 (view filing)4:01 PM ETAug 144 daysWeichai America Corp. and 2 others10% OwnerSSale−135.8K$84.98−$11.5M−1.2%11.3M after10 lots
Aug 15, 2025 (view filing)4:01 PM ETAug 132 daysWeichai America Corp. and 2 others10% OwnerSSale−162.1K$89.83−$14.6M−1.4%11.5M after11 lots
Aug 15, 2025 (view filing)Aug 132 daysHe HongDirectorSSale−2.50K$90.03−$225.1K−8.7%26.3K after
Aug 14, 2025 (view filing)4:00 PM ETAug 122 daysWeichai America Corp. and 2 others10% OwnerSSale−123.8K$93.81−$11.6M−1.1%11.6M after11 lots
Aug 14, 2025 (view filing)Aug 122 daysXykis ConstantineCEOSSale−26.0K$95.85−$2.49M−76.8%7.85K after2 lots
Aug 14, 2025 (view filing)Aug 122 daysSimpkins Frank PDirectorSSale−5.00K$94.90−$474.5K−12.5%35.0K after6 lots
Apr 15, 2025 (view filing)Apr 114 daysWinemaster Gary S10% OwnerSSale−2.00K$23.27−$46.5K−0.1%2.94M after
Jan 27, 2025 (view filing)Jan 21-226 daysLateWinemaster Gary S10% OwnerSSale−52.8K$39.43−$2.08M−1.8%2.95M after3 lots
Jan 17, 2025 (view filing)Jan 143 daysLateWinemaster Gary S10% OwnerSSale−15.2K$37.05−$562.5K−0.5%3.00M after
Dec 30, 2024 (view filing)Dec 23-247 daysLateWinemaster Gary S10% OwnerSSale−56.7K$28.47−$1.61M−1.8%3.01M after3 lots
Dec 4, 2024 (view filing)Dec 22 daysWinemaster Gary S10% OwnerSSale−25.0K$31.62−$790.5K−0.8%3.07M after
Nov 7, 2024 (view filing)Nov 52 daysWinemaster Gary S10% OwnerSSale−4.30K$22.09−$94.9K−0.1%3.10M after
Oct 29, 2024 (view filing)Oct 1712 daysLateWinemaster Gary S10% OwnerSSale−4.92K$25.21−$124.0K−0.2%3.10M after
Oct 1, 2024 (view filing)Sep 27-Oct 14 daysWinemaster Gary S10% OwnerSSale−31.1K$20.38−$633.3K−1.0%3.11M after3 lots
Sep 26, 2024 (view filing)Sep 24-252 daysWinemaster Gary S10% OwnerSSale−11.3K$20.03−$225.8K−0.4%3.14M after2 lots
Sep 24, 2024 (view filing)Sep 19-235 daysLateWinemaster Gary S10% OwnerSSale−58.9K$18.93−$1.11M−1.8%3.15M after3 lots
Sep 10, 2024 (view filing)Sep 6-94 daysWinemaster Gary S10% OwnerSSale−1.10K$19.38−$21.3K0.0%3.21M after2 lots
Sep 6, 2024 (view filing)Sep 4-52 daysWinemaster Gary S10% OwnerSSale−21.1K$19.72−$416.9K−0.7%3.21M after2 lots
Jul 31, 2024 (view filing)Jul 292 daysWinemaster Gary S10% OwnerSSale−3.91K$12.88−$50.3K−0.1%3.23M after
Jul 29, 2024 (view filing)Jul 23-296 daysLateWinemaster Gary S10% OwnerSSale−85.0K$11.77−$1.00M−2.6%3.23M after15 lots
May 2, 2024 (view filing)Apr 302 daysGagnon Neil10% OwnerPPurchaseCommon Stock, par value $0.001 per share+56.9K$2.00+$113.8K+88.8%121.0K after4 lots
May 2, 2024 (view filing)Apr 302 daysGagnon Neil10% OwnerPPurchaseCommon Stock, par value $0.001 per share+20.7K$2.00+$41.4K+4.2%507.9K after2 lots
Apr 29, 2024 (view filing)Mar 25-Apr 2535 daysLateGagnon Neil10% OwnerPPurchaseCommon Stock, par value $0.001 per share+8.93K$2.00+$17.9K+1.3%709.1K after2 lots
Mar 26, 2024 (view filing)Mar 224 daysGagnon Neil10% OwnerPPurchaseCommon Stock, par value $0.001 per share+1.32K$2.00+$2.64K+0.2%700.1K after
Mar 22, 2024 (view filing)Mar 202 daysGagnon Neil10% OwnerPPurchaseCommon Stock, par value $0.001 per share+5.39K$2.00+$10.8K+0.8%698.8K after
Mar 15, 2024 (view filing)Mar 1-1214 daysLateGagnon Neil10% OwnerPPurchaseCommon Stock, par value $0.001 per share+6.82K$2.00+$13.6K+1.0%693.4K after2 lots
Mar 1, 2024 (view filing)Feb 291 dayGagnon Neil10% OwnerPPurchaseCommon Stock, par value $0.001 per share+25.1K$1.95+$48.9K+3.8%686.6K after
Feb 22, 2024 (view filing)Feb 202 daysGagnon Neil10% OwnerPPurchaseCommon Stock, par value $0.001 per share+976$2.00+$1.95K+0.1%661.5K after
Feb 13, 2024 (view filing)Feb 9-124 daysGagnon Neil10% OwnerPPurchaseCommon Stock, par value $0.001 per share+875$1.99+$1.74K+0.1%660.6K after2 lots
Jan 26, 2024 (view filing)Jan 242 daysGagnon Neil10% OwnerPPurchaseCommon Stock, par value $0.001 per share+348$1.87+$650.76+1.6%22.3K after
Sep 6, 2023 (view filing)Aug 24-2913 daysLateWinemaster Gary S10% OwnerSSale−39.8K$3.00−$119.6K−98.3%681 after8 lots
Aug 23, 2023 (view filing)Aug 16-187 daysLateWinemaster Gary S10% OwnerSSale−10.2K$3.00−$30.6K−20.1%40.5K after3 lots
Aug 7, 2023 (view filing)Jul 2018 daysLateWinemaster Gary S10% OwnerSSale−15.0K$3.15−$47.3K−95.7%676 after