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United States Machinery, Equipment & Components

Power Solutions International Inc (PSIX)

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The most recent insider trading activity occurred on September 29, 2025, with Director Kenneth W Landini proposing a sale of 3,500 shares valued at $371,000. Prior to this, significant selling activity was observed from September 10-11, 2025, primarily by Weichai America Corp. and Director Hong He, involving multiple transactions totaling over $8 million.
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Ticker: PSIX Exchange: OTC
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
Landini Kenneth W
Director
1 sale — total 371,000 USD
Proposed sale 29 Sep 2025
Value US$2,472,800.28 | Price 104.23 | Shares 91,448
Proposed sale 18 Sep 2025
Value US$3,521,962.21 | Price 129.33 | Shares 52,246
Proposed sale 18 Sep 2025
Value US$652,425.10 | Price 81.81 | Shares 34,128
Sale 11 Sep 2025
Value US$2,878,799.28 | Price 94.33 | Shares 30,519
Sale 11 Sep 2025
Value US$2,175,457.70 | Price 93.64 | Shares 23,231
Sale 11 Sep 2025
Value US$1,789,176.04 | Price 92.46 | Shares 19,351
Sale 11 Sep 2025
Value US$617,983.76 | Price 91.72 | Shares 6,738
Sale 11 Sep 2025
Value US$141,000.00 | Price 94.00 | Shares 1,500
Proposed sale 11 Sep 2025
Value US$141,000.00 | Price 94.00 | Shares 1,500
Sale 10 Sep 2025
Value US$95,000.00 | Price 95.00 | Shares 1,000
Sale 10 Sep 2025
Value US$54,356.69 | Price 95.20 | Shares 571
Sale 10 Sep 2025
Value US$716,407.04 | Price 94.45 | Shares 7,585
Sale 10 Sep 2025
Value US$235,158.28 | Price 93.50 | Shares 2,515
Sale 10 Sep 2025
Value US$1,344,190.47 | Price 92.34 | Shares 14,557
Sale 10 Sep 2025
Value US$458,860.47 | Price 91.44 | Shares 5,018
Sale 10 Sep 2025
Value US$569,515.26 | Price 90.28 | Shares 6,308
Proposed sale 10 Sep 2025
Value US$95,000.00 | Price 95.00 | Shares 1,000
Sale 9 Sep 2025
Value US$717,172.30 | Price 91.31 | Shares 7,854
Proposed sale 9 Sep 2025
Value US$662,799.00 | Price 84.39 | Shares 7,854
Sale 9 Sep 2025
Value US$230,775.00 | Price 92.31 | Shares 2,500
Sale 9 Sep 2025
Value US$135,000.00 | Price 90.00 | Shares 1,500
Proposed sale 9 Sep 2025
Value US$365,773.85 | Price 91.44 | Shares 4,000
Sale 8 Sep 2025
Value US$89,000.00 | Price 89.00 | Shares 1,000
Proposed sale 8 Sep 2025
Value US$89,000.00 | Price 89.00 | Shares 1,000
Proposed sale 5 Sep 2025
Value US$595,000.00 | Price 85.00 | Shares 7,000
Sale 26 Aug 2025
Value US$15,842.00 | Price 89.00 | Shares 178
Sale 26 Aug 2025
Value US$299,064.75 | Price 88.35 | Shares 3,385
Sale 26 Aug 2025
Value US$234,198.17 | Price 87.52 | Shares 2,676
Sale 26 Aug 2025
Value US$979,674.08 | Price 86.74 | Shares 11,295
Sale 26 Aug 2025
Value US$179,594.26 | Price 85.81 | Shares 2,093
Sale 26 Aug 2025
Value US$839,164.32 | Price 84.35 | Shares 9,949
Sale 26 Aug 2025
Value US$995,033.96 | Price 83.46 | Shares 11,923
Sale 26 Aug 2025
Value US$1,408,448.45 | Price 82.49 | Shares 17,075
Sale 26 Aug 2025
Value US$1,788,415.67 | Price 81.57 | Shares 21,925
Sale 26 Aug 2025
Value US$1,092,768.13 | Price 80.66 | Shares 13,548
Sale 25 Aug 2025
Value US$344,283.47 | Price 93.18 | Shares 3,695
Sale 25 Aug 2025
Value US$1,054,702.97 | Price 92.56 | Shares 11,395
Sale 25 Aug 2025
Value US$1,125,448.30 | Price 91.63 | Shares 12,283
Sale 25 Aug 2025
Value US$813,689.34 | Price 90.38 | Shares 9,003
Sale 25 Aug 2025
Value US$724,945.89 | Price 89.48 | Shares 8,102
Sale 25 Aug 2025
Value US$616,856.64 | Price 88.78 | Shares 6,948
Sale 25 Aug 2025
Value US$916,380.00 | Price 91.64 | Shares 10,000
Proposed sale 25 Aug 2025
Value US$912,600.00 | Price 91.26 | Shares 10,000
Buy 25 Aug 2025
Value US$27,846.00 | Price 92.82 | Shares 300
Sale 25 Aug 2025
Value US$18,660.00 | Price 93.30 | Shares 200
Sale 25 Aug 2025
Value US$55,920.00 | Price 93.20 | Shares 600
Sale 25 Aug 2025
Value US$334,540.80 | Price 92.93 | Shares 3,600
Sale 25 Aug 2025
Value US$329,770.80 | Price 91.60 | Shares 3,600
Proposed sale 25 Aug 2025
Value US$750,248.00 | Price 91.26 | Shares 8,221
Sale 22 Aug 2025
Value US$1,215,104.23 | Price 91.20 | Shares 13,323
Sale 22 Aug 2025
Value US$1,740,489.72 | Price 90.52 | Shares 19,228
Sale 22 Aug 2025
Value US$1,008,276.15 | Price 89.52 | Shares 11,263
Sale 22 Aug 2025
Value US$883,496.53 | Price 88.46 | Shares 9,988
Sale 22 Aug 2025
Value US$1,076,553.62 | Price 87.57 | Shares 12,294
Sale 22 Aug 2025
Value US$343,547.26 | Price 86.34 | Shares 3,979
Sale 22 Aug 2025
Value US$386,073.06 | Price 85.40 | Shares 4,521
Sale 22 Aug 2025
Value US$141,086.77 | Price 84.74 | Shares 1,665
Sale 22 Aug 2025
Value US$327,779.92 | Price 83.60 | Shares 3,921
Sale 22 Aug 2025
Value US$306,703.58 | Price 82.45 | Shares 3,720
Sale 22 Aug 2025
Value US$269,846.13 | Price 81.57 | Shares 3,308
Sale 21 Aug 2025
Value US$618,265.00 | Price 83.26 | Shares 7,426
Sale 21 Aug 2025
Value US$1,709,383.82 | Price 82.46 | Shares 20,729
Sale 21 Aug 2025
Value US$940,537.31 | Price 81.70 | Shares 11,512
Sale 21 Aug 2025
Value US$212,835.48 | Price 80.41 | Shares 2,647
Sale 20 Aug 2025
Value US$405.00 | Price 81.00 | Shares 5
Sale 20 Aug 2025
Value US$1,271,609.53 | Price 80.50 | Shares 15,797
Sale 19 Aug 2025
Value US$116,776.83 | Price 84.32 | Shares 1,385
Sale 19 Aug 2025
Value US$249,683.60 | Price 83.45 | Shares 2,992
Sale 19 Aug 2025
Value US$1,008,323.00 | Price 82.59 | Shares 12,209
Sale 19 Aug 2025
Value US$1,408,224.05 | Price 81.57 | Shares 17,263
Sale 19 Aug 2025
Value US$3,676,796.17 | Price 80.24 | Shares 45,821
Sale 18 Aug 2025
Value US$521,947.32 | Price 89.16 | Shares 5,854
Sale 18 Aug 2025
Value US$1,086,614.49 | Price 88.32 | Shares 12,303
Sale 18 Aug 2025
Value US$1,864,007.34 | Price 87.45 | Shares 21,314
Sale 18 Aug 2025
Value US$1,855,808.91 | Price 86.53 | Shares 21,447
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2025-09-29 2025-09-29 PrS Proposed sale
Landini Kenneth W

Director

Non-Executive Director
91,448
104.23
US$2,472,800 		91,448 104.23 US$2,472,800
2025-09-29 2025-09-18 PrS Proposed sale
Landini Kenneth W

Director

Non-Executive Director
52,246
129.33
US$3,521,962 		52,246 129.33 US$3,521,962
2025-09-23 2025-09-18 PrS Proposed sale
Landini Kenneth W

Director

Non-Executive Director
34,128
81.81
US$652,425 		34,128 81.81 US$652,425
2025-09-15 2025-09-11 S Sale
2.8
Weichai America Corp.
Large shareholder
30,519 -0.3%
94.33
US$2,878,799 		30,519 -0.3% 94.33 US$2,878,799
2025-09-15 2025-09-11 S Sale
2.8
Weichai America Corp.
Large shareholder
23,231 -0.2%
93.64
US$2,175,458 		23,231 -0.2% 93.64 US$2,175,458
2025-09-15 2025-09-11 S Sale
2.8
Weichai America Corp.
Large shareholder
19,351 -0.2%
92.46
US$1,789,176 		19,351 -0.2% 92.46 US$1,789,176
2025-09-15 2025-09-11 S Sale
2.8
Weichai America Corp.
Large shareholder
6,738 -0.1%
91.72
US$617,984 		6,738 -0.1% 91.72 US$617,984
2025-09-12 2025-09-11 S Sale
3.1
He Hong
Non-Executive Director
1,500 -7.4%
94.00
US$141,000 		1,500 -7.4% 94.00 US$141,000
2025-09-11 2025-09-11 PrS Proposed sale
3.1
HONG HE

Director

Non-Executive Director
1,500
94.00
US$141,000 		1,500 94.00 US$141,000
2025-09-12 2025-09-10 S Sale
3.1
He Hong
Non-Executive Director
1,000 -4.7%
95.00
US$95,000 		1,000 -4.7% 95.00 US$95,000
2025-09-12 2025-09-10 S Sale
2.8
Weichai America Corp.
Large shareholder
571 -0.0%
95.20
US$54,357 		571 -0.0% 95.20 US$54,357
2025-09-12 2025-09-10 S Sale
2.8
Weichai America Corp.
Large shareholder
7,585 -0.1%
94.45
US$716,407 		7,585 -0.1% 94.45 US$716,407
2025-09-12 2025-09-10 S Sale
2.8
Weichai America Corp.
Large shareholder
2,515 -0.0%
93.50
US$235,158 		2,515 -0.0% 93.50 US$235,158
2025-09-12 2025-09-10 S Sale
2.8
Weichai America Corp.
Large shareholder
14,557 -0.1%
92.34
US$1,344,190 		14,557 -0.1% 92.34 US$1,344,190
2025-09-12 2025-09-10 S Sale
2.8
Weichai America Corp.
Large shareholder
5,018 -0.0%
91.44
US$458,860 		5,018 -0.0% 91.44 US$458,860
2025-09-12 2025-09-10 S Sale
2.8
Weichai America Corp.
Large shareholder
6,308 -0.1%
90.28
US$569,515 		6,308 -0.1% 90.28 US$569,515
2025-09-10 2025-09-10 PrS Proposed sale
3.1
HONG HE

Director

Non-Executive Director
1,000
95.00
US$95,000 		1,000 95.00 US$95,000
2025-09-11 2025-09-09 S Sale
3.4
Xykis Constantine

CEO

Officer
7,854 -100.0%
91.31
US$717,172 		7,854 -100.0% 91.31 US$717,172
2025-09-11 2025-09-09 S Sale
3.1
He Hong
Non-Executive Director
2,500 -10.5%
92.31
US$230,775 		2,500 -10.5% 92.31 US$230,775
2025-09-11 2025-09-09 S Sale
3.1
He Hong
Non-Executive Director
1,500 -5.9%
90.00
US$135,000 		1,500 -5.9% 90.00 US$135,000
2025-09-09 2025-09-09 PrS Proposed sale
3.1
HONG HE

Director

Non-Executive Director
4,000
91.44
US$365,774 		4,000 91.44 US$365,774
2025-09-09 2025-09-09 PrS Proposed sale
3.4
Xykis Constantine

Officer

Officer
7,854
84.39
US$662,799 		7,854 84.39 US$662,799
2025-09-10 2025-09-08 S Sale
3.1
He Hong
Non-Executive Director
1,000 -3.8%
89.00
US$89,000 		1,000 -3.8% 89.00 US$89,000
2025-09-08 2025-09-08 PrS Proposed sale
3.1
HONG HE

Director

Non-Executive Director
1,000
89.00
US$89,000 		1,000 89.00 US$89,000
2025-09-05 2025-09-05 PrS Proposed sale
Landini Kenneth W

Director

Non-Executive Director
7,000
85.00
US$595,000 		7,000 85.00 US$595,000
2025-08-28 2025-08-26 S Sale
2.8
Weichai America Corp.
Large shareholder
178 -0.0%
89.00
US$15,842 		178 -0.0% 89.00 US$15,842
2025-08-28 2025-08-26 S Sale
2.8
Weichai America Corp.
Large shareholder
3,385 -0.0%
88.35
US$299,065 		3,385 -0.0% 88.35 US$299,065
2025-08-28 2025-08-26 S Sale
2.8
Weichai America Corp.
Large shareholder
2,676 -0.0%
87.52
US$234,198 		2,676 -0.0% 87.52 US$234,198
2025-08-28 2025-08-26 S Sale
2.8
Weichai America Corp.
Large shareholder
11,295 -0.1%
86.74
US$979,674 		11,295 -0.1% 86.74 US$979,674
2025-08-28 2025-08-26 S Sale
2.8
Weichai America Corp.
Large shareholder
2,093 -0.0%
85.81
US$179,594 		2,093 -0.0% 85.81 US$179,594
2025-08-28 2025-08-26 S Sale
2.8
Weichai America Corp.
Large shareholder
9,949 -0.1%
84.35
US$839,164 		9,949 -0.1% 84.35 US$839,164
2025-08-28 2025-08-26 S Sale
2.8
Weichai America Corp.
Large shareholder
11,923 -0.1%
83.46
US$995,034 		11,923 -0.1% 83.46 US$995,034
2025-08-28 2025-08-26 S Sale
2.8
Weichai America Corp.
Large shareholder
17,075 -0.2%
82.49
US$1,408,448 		17,075 -0.2% 82.49 US$1,408,448
2025-08-28 2025-08-26 S Sale
2.8
Weichai America Corp.
Large shareholder
21,925 -0.2%
81.57
US$1,788,416 		21,925 -0.2% 81.57 US$1,788,416
2025-08-28 2025-08-26 S Sale
2.8
Weichai America Corp.
Large shareholder
13,548 -0.1%
80.66
US$1,092,768 		13,548 -0.1% 80.66 US$1,092,768
2025-08-27 2025-08-25 S Sale
2.8
Weichai America Corp.
Large shareholder
3,695 -0.0%
93.18
US$344,283 		3,695 -0.0% 93.18 US$344,283
2025-08-27 2025-08-25 S Sale
2.8
Weichai America Corp.
Large shareholder
11,395 -0.1%
92.56
US$1,054,703 		11,395 -0.1% 92.56 US$1,054,703
2025-08-27 2025-08-25 S Sale
2.8
Weichai America Corp.
Large shareholder
12,283 -0.1%
91.63
US$1,125,448 		12,283 -0.1% 91.63 US$1,125,448
2025-08-27 2025-08-25 S Sale
2.8
Weichai America Corp.
Large shareholder
9,003 -0.1%
90.38
US$813,689 		9,003 -0.1% 90.38 US$813,689
2025-08-27 2025-08-25 S Sale
2.8
Weichai America Corp.
Large shareholder
8,102 -0.1%
89.48
US$724,946 		8,102 -0.1% 89.48 US$724,946
2025-08-27 2025-08-25 S Sale
2.8
Weichai America Corp.
Large shareholder
6,948 -0.1%
88.78
US$616,857 		6,948 -0.1% 88.78 US$616,857
2025-08-27 2025-08-25 S Sale
2.9
SIMPKINS FRANK P
Non-Executive Director
10,000 -28.6%
91.64
US$916,380 		10,000 -28.6% 91.64 US$916,380
2025-08-27 2025-08-25 B Purchase
2.2
Li Xun

CFO

Officer
300 +135.7%
92.82
US$27,846 		300 +135.7% 92.82 US$27,846
2025-08-27 2025-08-25 S Sale
2.2
Li Xun

CFO

Officer
200 -47.5%
93.30
US$18,660 		200 -47.5% 93.30 US$18,660
2025-08-27 2025-08-25 S Sale
2.2
Li Xun

CFO

Officer
600 -58.8%
93.20
US$55,920 		600 -58.8% 93.20 US$55,920
2025-08-27 2025-08-25 S Sale
2.2
Li Xun

CFO

Officer
3,600 -77.9%
92.93
US$334,541 		3,600 -77.9% 92.93 US$334,541
2025-08-27 2025-08-25 S Sale
2.2
Li Xun

CFO

Officer
3,600 -43.8%
91.60
US$329,771 		3,600 -43.8% 91.60 US$329,771
2025-08-25 2025-08-25 PrS Proposed sale
2.9
SIMPKINS FRANK P

Director

Non-Executive Director
10,000
91.26
US$912,600 		10,000 91.26 US$912,600
2025-08-25 2025-08-25 PrS Proposed sale
2.2
Xun Li

Chief Financial Officer

Officer
8,221
91.26
US$750,248 		8,221 91.26 US$750,248
2025-08-26 2025-08-22 S Sale
2.8
Weichai America Corp.
Large shareholder
13,323 -0.1%
91.20
US$1,215,104 		13,323 -0.1% 91.20 US$1,215,104
2025-08-26 2025-08-22 S Sale
2.8
Weichai America Corp.
Large shareholder
19,228 -0.2%
90.52
US$1,740,490 		19,228 -0.2% 90.52 US$1,740,490
2025-08-26 2025-08-22 S Sale
2.8
Weichai America Corp.
Large shareholder
11,263 -0.1%
89.52
US$1,008,276 		11,263 -0.1% 89.52 US$1,008,276
2025-08-26 2025-08-22 S Sale
2.8
Weichai America Corp.
Large shareholder
9,988 -0.1%
88.46
US$883,497 		9,988 -0.1% 88.46 US$883,497
2025-08-26 2025-08-22 S Sale
2.8
Weichai America Corp.
Large shareholder
12,294 -0.1%
87.57
US$1,076,554 		12,294 -0.1% 87.57 US$1,076,554
2025-08-26 2025-08-22 S Sale
2.8
Weichai America Corp.
Large shareholder
3,979 -0.0%
86.34
US$343,547 		3,979 -0.0% 86.34 US$343,547
2025-08-26 2025-08-22 S Sale
2.8
Weichai America Corp.
Large shareholder
4,521 -0.0%
85.40
US$386,073 		4,521 -0.0% 85.40 US$386,073
2025-08-26 2025-08-22 S Sale
2.8
Weichai America Corp.
Large shareholder
1,665 -0.0%
84.74
US$141,087 		1,665 -0.0% 84.74 US$141,087
2025-08-26 2025-08-22 S Sale
2.8
Weichai America Corp.
Large shareholder
3,921 -0.0%
83.60
US$327,780 		3,921 -0.0% 83.60 US$327,780
2025-08-26 2025-08-22 S Sale
2.8
Weichai America Corp.
Large shareholder
3,720 -0.0%
82.45
US$306,704 		3,720 -0.0% 82.45 US$306,704
2025-08-26 2025-08-22 S Sale
2.8
Weichai America Corp.
Large shareholder
3,308 -0.0%
81.57
US$269,846 		3,308 -0.0% 81.57 US$269,846
2025-08-25 2025-08-21 S Sale
2.8
Weichai America Corp.
Large shareholder
7,426 -0.1%
83.26
US$618,265 		7,426 -0.1% 83.26 US$618,265
2025-08-25 2025-08-21 S Sale
2.8
Weichai America Corp.
Large shareholder
20,729 -0.2%
82.46
US$1,709,384 		20,729 -0.2% 82.46 US$1,709,384
2025-08-25 2025-08-21 S Sale
2.8
Weichai America Corp.
Large shareholder
11,512 -0.1%
81.70
US$940,537 		11,512 -0.1% 81.70 US$940,537
2025-08-25 2025-08-21 S Sale
2.8
Weichai America Corp.
Large shareholder
2,647 -0.0%
80.41
US$212,835 		2,647 -0.0% 80.41 US$212,835
2025-08-22 2025-08-20 S Sale
2.8
Weichai America Corp.
Large shareholder
5 -0.0%
81.00
US$405 		5 -0.0% 81.00 US$405
2025-08-22 2025-08-20 S Sale
2.8
Weichai America Corp.
Large shareholder
15,797 -0.1%
80.50
US$1,271,610 		15,797 -0.1% 80.50 US$1,271,610
2025-08-21 2025-08-19 S Sale
2.8
Weichai America Corp.
Large shareholder
1,385 -0.0%
84.32
US$116,777 		1,385 -0.0% 84.32 US$116,777
2025-08-21 2025-08-19 S Sale
2.8
Weichai America Corp.
Large shareholder
2,992 -0.0%
83.45
US$249,684 		2,992 -0.0% 83.45 US$249,684
2025-08-21 2025-08-19 S Sale
2.8
Weichai America Corp.
Large shareholder
12,209 -0.1%
82.59
US$1,008,323 		12,209 -0.1% 82.59 US$1,008,323
2025-08-21 2025-08-19 S Sale
2.8
Weichai America Corp.
Large shareholder
17,263 -0.2%
81.57
US$1,408,224 		17,263 -0.2% 81.57 US$1,408,224
2025-08-21 2025-08-19 S Sale
2.8
Weichai America Corp.
Large shareholder
45,821 -0.4%
80.24
US$3,676,796 		45,821 -0.4% 80.24 US$3,676,796
2025-08-20 2025-08-18 S Sale
2.8
Weichai America Corp.
Large shareholder
5,854 -0.1%
89.16
US$521,947 		5,854 -0.1% 89.16 US$521,947
2025-08-20 2025-08-18 S Sale
2.8
Weichai America Corp.
Large shareholder
12,303 -0.1%
88.32
US$1,086,614 		12,303 -0.1% 88.32 US$1,086,614
2025-08-20 2025-08-18 S Sale
2.8
Weichai America Corp.
Large shareholder
21,314 -0.2%
87.45
US$1,864,007 		21,314 -0.2% 87.45 US$1,864,007
2025-08-20 2025-08-18 S Sale
2.8
Weichai America Corp.
Large shareholder
21,447 -0.2%
86.53
US$1,855,809 		21,447 -0.2% 86.53 US$1,855,809
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