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POWER SOLUTIONS INTERNATIONAL, INC.

PSIX Net selling
CIK 0001137091 #2713 in the set updated 19 Sep 2026
Bought (120 mo)
$2.43M
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$119.84M
$0.00 on a plan · $0.00 straight out of an exercise
Sold at will
$119.84M
264 of 264 sales
Net
−$117.41M
−$117.41M against sales at will

By person

18 insiders · 330 transactions
5.3×

C. (Dino) Xykis holds 5.3 times base salary in stock. $3.18M of shares against $598.28K in salary for 2025.

Salary from the company's own proxy. The shares are what C. (Dino) Xykis last reported holding, valued at $94.00, the price Common Stock was last bought or sold at on the open market here, on 11 Sep 2025.

Insider
Role
Bought
Sold
Net
Holding
Worth
Change
Weichai America Corp. entity
10% owner
$1.90M (1)
$100.29M (97)
−$98.39M
18,299,759
$1.72B
+26.4%
Winemaster Gary S
former 10% owner
—
$13.29M (147)
−$13.29M
2,255,790
$212.04M
−46.0%
Xykis Constantine
CEO
—
$3.21M (3)
−$3.21M
33,859
$3.18M
−35.7%
SIMPKINS FRANK P
Director
—
$1.39M (7)
−$1.39M
30,000
$2.82M
—
He Hong
Director
—
$915.84K (6)
−$915.84K
23,750
$2.23M
+375.0%
Li Xun
CFO
$27.85K (1)
$738.89K (4)
−$711.05K
4,592
$431.65K
—
Gagnon Neil
Former 10% Owner
$497.97K (53)
—
+$497.97K
628,893
$59.12M
+56.8%
Winemaster Kenneth J
Executive Vice President
—
—
—
2,211,274
$207.86M
+1.4%
Miller John P.
CEO and President
—
—
—
76,006
$7.14M
—
Landini Kenneth W
Director
—
—
—
59,000
$5.55M
+210.5%
Lin Jason C.
Chief Technical Officer
—
—
—
35,605
$3.35M
—
AVERY CHARLES F JR
Chief Financial Officer
—
—
—
20,781
$1.95M
—
Coolidge Leslie Anne
Director
—
—
—
15,000
$1.41M
—
MOZZI FABRIZIO
Director
—
—
—
7,917
$744.20K
—
Shea Courtney C.
Director
—
—
—
5,000
$470.00K
—
Wu Guogang
Director
—
—
—
4,304
$404.58K
—
Sun Shaojun
Director
—
—
—
0
$0.00
—
Jiang Kui
Director
—
—
—
0
$0.00
—

No percentages here. These insiders hold more than one class of share between them, and the share count on file covers one of them rather than all. Dividing the two would compare different things.

Individual transactions

186
Insider
Date
Role
Action
Shares
Price
Amount
He Hong
11 Sep 2025
Director
Sell
1,500
$94.00
$141.00K
Weichai America Corp.
11 Sep 2025
10% owner
Sell indirect
30,519
$94.33
$2.88M
Weichai America Corp.
11 Sep 2025
10% owner
Sell indirect
23,231
$93.64
$2.18M
Weichai America Corp.
11 Sep 2025
10% owner
Sell indirect
19,351
$92.46
$1.79M
Weichai America Corp.
11 Sep 2025
10% owner
Sell indirect
6,738
$91.72
$617.98K
Weichai America Corp.
10 Sep 2025
10% owner
Sell indirect
571
$95.20
$54.36K
Weichai America Corp.
10 Sep 2025
10% owner
Sell indirect
7,585
$94.45
$716.41K
Weichai America Corp.
10 Sep 2025
10% owner
Sell indirect
2,515
$93.50
$235.16K
Weichai America Corp.
10 Sep 2025
10% owner
Sell indirect
14,557
$92.34
$1.34M
Weichai America Corp.
10 Sep 2025
10% owner
Sell indirect
5,018
$91.44
$458.86K
Weichai America Corp.
10 Sep 2025
10% owner
Sell indirect
6,308
$90.28
$569.52K
He Hong
10 Sep 2025
Director
Sell
1,000
$95.00
$95.00K
He Hong
9 Sep 2025
Director
Sell
2,500
$92.31
$230.78K
He Hong
9 Sep 2025
Director
Sell
1,500
$90.00
$135.00K
Xykis Constantine
9 Sep 2025
CEO
Sell
7,854
$91.31
$717.17K
He Hong
8 Sep 2025
Director
Sell
1,000
$89.00
$89.00K
Weichai America Corp.
26 Aug 2025
10% owner
Sell indirect
178
$89.00
$15.84K
Weichai America Corp.
26 Aug 2025
10% owner
Sell indirect
3,385
$88.35
$299.06K
Weichai America Corp.
26 Aug 2025
10% owner
Sell indirect
2,676
$87.52
$234.20K
Weichai America Corp.
26 Aug 2025
10% owner
Sell indirect
11,295
$86.74
$979.67K
Weichai America Corp.
26 Aug 2025
10% owner
Sell indirect
2,093
$85.81
$179.59K
Weichai America Corp.
26 Aug 2025
10% owner
Sell indirect
9,949
$84.35
$839.16K
Weichai America Corp.
26 Aug 2025
10% owner
Sell indirect
11,923
$83.46
$995.03K
Weichai America Corp.
26 Aug 2025
10% owner
Sell indirect
17,075
$82.49
$1.41M
Weichai America Corp.
26 Aug 2025
10% owner
Sell indirect
21,925
$81.57
$1.79M
Weichai America Corp.
26 Aug 2025
10% owner
Sell indirect
13,548
$80.66
$1.09M
Li Xun
25 Aug 2025
CFO
Sell
200
$93.30
$18.66K
Li Xun
25 Aug 2025
CFO
Sell
600
$93.20
$55.92K
Li Xun
25 Aug 2025
CFO
Sell
3,600
$92.93
$334.54K
Li Xun
25 Aug 2025
CFO
Sell
3,600
$91.60
$329.77K
SIMPKINS FRANK P
25 Aug 2025
Director
Sell
10,000
$91.64
$916.38K
Weichai America Corp.
25 Aug 2025
10% owner
Sell indirect
3,695
$93.18
$344.28K
Weichai America Corp.
25 Aug 2025
10% owner
Sell indirect
11,395
$92.56
$1.05M
Weichai America Corp.
25 Aug 2025
10% owner
Sell indirect
12,283
$91.63
$1.13M
Weichai America Corp.
25 Aug 2025
10% owner
Sell indirect
9,003
$90.38
$813.69K
Weichai America Corp.
25 Aug 2025
10% owner
Sell indirect
8,102
$89.48
$724.95K
Weichai America Corp.
25 Aug 2025
10% owner
Sell indirect
6,948
$88.78
$616.86K
Weichai America Corp.
22 Aug 2025
10% owner
Sell indirect
13,323
$91.20
$1.22M
Weichai America Corp.
22 Aug 2025
10% owner
Sell indirect
19,228
$90.52
$1.74M
Weichai America Corp.
22 Aug 2025
10% owner
Sell indirect
11,263
$89.52
$1.01M
Weichai America Corp.
22 Aug 2025
10% owner
Sell indirect
9,988
$88.46
$883.50K
Weichai America Corp.
22 Aug 2025
10% owner
Sell indirect
12,294
$87.57
$1.08M
Weichai America Corp.
22 Aug 2025
10% owner
Sell indirect
3,979
$86.34
$343.55K
Weichai America Corp.
22 Aug 2025
10% owner
Sell indirect
4,521
$85.40
$386.07K
Weichai America Corp.
22 Aug 2025
10% owner
Sell indirect
1,665
$84.74
$141.09K
Weichai America Corp.
22 Aug 2025
10% owner
Sell indirect
3,921
$83.60
$327.78K
Weichai America Corp.
22 Aug 2025
10% owner
Sell indirect
3,720
$82.45
$306.70K
Weichai America Corp.
22 Aug 2025
10% owner
Sell indirect
3,308
$81.57
$269.85K
Weichai America Corp.
21 Aug 2025
10% owner
Sell indirect
7,426
$83.26
$618.26K
Weichai America Corp.
21 Aug 2025
10% owner
Sell indirect
20,729
$82.46
$1.71M
Weichai America Corp.
21 Aug 2025
10% owner
Sell indirect
11,512
$81.70
$940.54K
Weichai America Corp.
21 Aug 2025
10% owner
Sell indirect
2,647
$80.41
$212.84K
Weichai America Corp.
20 Aug 2025
10% owner
Sell indirect
5
$81.00
$405.00
Weichai America Corp.
20 Aug 2025
10% owner
Sell indirect
15,797
$80.50
$1.27M
Weichai America Corp.
19 Aug 2025
10% owner
Sell indirect
1,385
$84.32
$116.78K
Weichai America Corp.
19 Aug 2025
10% owner
Sell indirect
2,992
$83.45
$249.68K
Weichai America Corp.
19 Aug 2025
10% owner
Sell indirect
12,209
$82.59
$1.01M
Weichai America Corp.
19 Aug 2025
10% owner
Sell indirect
17,263
$81.57
$1.41M
Weichai America Corp.
19 Aug 2025
10% owner
Sell indirect
45,821
$80.24
$3.68M
Weichai America Corp.
18 Aug 2025
10% owner
Sell indirect
5,854
$89.16
$521.95K
Weichai America Corp.
18 Aug 2025
10% owner
Sell indirect
12,303
$88.32
$1.09M
Weichai America Corp.
18 Aug 2025
10% owner
Sell indirect
21,314
$87.45
$1.86M
Weichai America Corp.
18 Aug 2025
10% owner
Sell indirect
21,447
$86.53
$1.86M
Weichai America Corp.
18 Aug 2025
10% owner
Sell indirect
11,406
$85.73
$977.82K
Weichai America Corp.
18 Aug 2025
10% owner
Sell indirect
7,049
$84.31
$594.29K
Weichai America Corp.
18 Aug 2025
10% owner
Sell indirect
5,376
$83.35
$448.09K
Weichai America Corp.
18 Aug 2025
10% owner
Sell indirect
14,670
$82.52
$1.21M
Weichai America Corp.
18 Aug 2025
10% owner
Sell indirect
9,586
$81.57
$781.89K
Weichai America Corp.
18 Aug 2025
10% owner
Sell indirect
16,215
$80.43
$1.30M
Weichai America Corp.
15 Aug 2025
10% owner
Sell indirect
486
$86.05
$41.82K
Weichai America Corp.
15 Aug 2025
10% owner
Sell indirect
22,153
$85.60
$1.90M
Weichai America Corp.
15 Aug 2025
10% owner
Sell indirect
22,858
$84.56
$1.93M
Weichai America Corp.
15 Aug 2025
10% owner
Sell indirect
18,371
$83.51
$1.53M
Weichai America Corp.
15 Aug 2025
10% owner
Sell indirect
15,244
$82.59
$1.26M
Weichai America Corp.
15 Aug 2025
10% owner
Sell indirect
16,255
$81.43
$1.32M
Weichai America Corp.
15 Aug 2025
10% owner
Sell indirect
20,770
$80.41
$1.67M
Weichai America Corp.
14 Aug 2025
10% owner
Sell indirect
255
$90.24
$23.01K
Weichai America Corp.
14 Aug 2025
10% owner
Sell indirect
9,312
$89.33
$831.84K
Weichai America Corp.
14 Aug 2025
10% owner
Sell indirect
13,929
$88.34
$1.23M
Weichai America Corp.
14 Aug 2025
10% owner
Sell indirect
8,834
$87.64
$774.22K
Weichai America Corp.
14 Aug 2025
10% owner
Sell indirect
14,386
$86.45
$1.24M
Weichai America Corp.
14 Aug 2025
10% owner
Sell indirect
10,485
$85.63
$897.88K
Weichai America Corp.
14 Aug 2025
10% owner
Sell indirect
12,430
$84.37
$1.05M
Weichai America Corp.
14 Aug 2025
10% owner
Sell indirect
30,760
$83.50
$2.57M
Weichai America Corp.
14 Aug 2025
10% owner
Sell indirect
28,319
$82.68
$2.34M
Weichai America Corp.
14 Aug 2025
10% owner
Sell indirect
7,136
$81.80
$583.73K
He Hong
13 Aug 2025
Director
Sell
2,500
$90.03
$225.07K
Weichai America Corp.
13 Aug 2025
10% owner
Sell indirect
197
$96.20
$18.95K
Weichai America Corp.
13 Aug 2025
10% owner
Sell indirect
7,582
$95.42
$723.48K
Weichai America Corp.
13 Aug 2025
10% owner
Sell indirect
1,101
$94.49
$104.03K
Weichai America Corp.
13 Aug 2025
10% owner
Sell indirect
7,287
$93.55
$681.71K
Weichai America Corp.
13 Aug 2025
10% owner
Sell indirect
6,520
$92.58
$603.63K
Weichai America Corp.
13 Aug 2025
10% owner
Sell indirect
19,852
$91.28
$1.81M
Weichai America Corp.
13 Aug 2025
10% owner
Sell indirect
21,651
$90.45
$1.96M
Weichai America Corp.
13 Aug 2025
10% owner
Sell indirect
26,396
$89.48
$2.36M
Weichai America Corp.
13 Aug 2025
10% owner
Sell indirect
38,641
$88.50
$3.42M
Weichai America Corp.
13 Aug 2025
10% owner
Sell indirect
29,411
$87.64
$2.58M
Weichai America Corp.
13 Aug 2025
10% owner
Sell indirect
3,475
$86.63
$301.04K
SIMPKINS FRANK P
12 Aug 2025
Director
Sell
206
$96.21
$19.82K
SIMPKINS FRANK P
12 Aug 2025
Director
Sell
3,108
$95.46
$296.70K
SIMPKINS FRANK P
12 Aug 2025
Director
Sell
912
$94.46
$86.15K
SIMPKINS FRANK P
12 Aug 2025
Director
Sell
282
$93.68
$26.42K
SIMPKINS FRANK P
12 Aug 2025
Director
Sell
384
$92.52
$35.53K
SIMPKINS FRANK P
12 Aug 2025
Director
Sell
108
$91.74
$9.91K
Xykis Constantine
12 Aug 2025
CEO
Sell
13,027
$96.20
$1.25M
Xykis Constantine
12 Aug 2025
CEO
Sell
12,978
$95.50
$1.24M
Weichai America Corp.
12 Aug 2025
10% owner
Sell indirect
58
$97.02
$5.63K
Weichai America Corp.
12 Aug 2025
10% owner
Sell indirect
9,176
$96.19
$882.66K
Weichai America Corp.
12 Aug 2025
10% owner
Sell indirect
46,827
$95.52
$4.47M
Weichai America Corp.
12 Aug 2025
10% owner
Sell indirect
15,838
$94.47
$1.50M
Weichai America Corp.
12 Aug 2025
10% owner
Sell indirect
12,436
$93.65
$1.16M
Weichai America Corp.
12 Aug 2025
10% owner
Sell indirect
12,651
$92.42
$1.17M
Weichai America Corp.
12 Aug 2025
10% owner
Sell indirect
10,618
$91.61
$972.76K
Weichai America Corp.
12 Aug 2025
10% owner
Sell indirect
8,517
$90.28
$768.94K
Weichai America Corp.
12 Aug 2025
10% owner
Sell indirect
1,349
$89.34
$120.52K
Weichai America Corp.
12 Aug 2025
10% owner
Sell indirect
5,874
$88.48
$519.76K
Weichai America Corp.
12 Aug 2025
10% owner
Sell indirect
478
$87.88
$42.01K
Winemaster Gary S
11 Apr 2025
10% owner
Sell
2,000
$23.27
$46.55K
Winemaster Gary S
22 Jan 2025
10% owner
Sell
9,938
$41.09
$408.40K
Winemaster Gary S
22 Jan 2025
10% owner
Sell
24,900
$40.63
$1.01M
Winemaster Gary S
21 Jan 2025
10% owner
Sell
17,983
$36.84
$662.43K
Winemaster Gary S
14 Jan 2025
10% owner
Sell
15,181
$37.05
$562.47K
Winemaster Gary S
24 Dec 2024
10% owner
Sell
1,753
$30.00
$52.59K
Winemaster Gary S
24 Dec 2024
10% owner
Sell
37,515
$29.42
$1.10M
Winemaster Gary S
23 Dec 2024
10% owner
Sell
17,461
$26.26
$458.47K
Winemaster Gary S
2 Dec 2024
10% owner
Sell
25,000
$31.62
$790.57K
Winemaster Gary S
5 Nov 2024
10% owner
Sell
4,296
$22.09
$94.91K
Winemaster Gary S
17 Oct 2024
10% owner
Sell
4,918
$25.21
$123.98K
Winemaster Gary S
1 Oct 2024
10% owner
Sell
4,282
$20.50
$87.78K
Winemaster Gary S
30 Sep 2024
10% owner
Sell
19,224
$20.51
$394.30K
Winemaster Gary S
27 Sep 2024
10% owner
Sell
7,562
$20.00
$151.24K
Winemaster Gary S
25 Sep 2024
10% owner
Sell
3,906
$20.02
$78.20K
Winemaster Gary S
24 Sep 2024
10% owner
Sell
7,370
$20.03
$147.63K
Winemaster Gary S
23 Sep 2024
10% owner
Sell
40,000
$19.48
$779.20K
Winemaster Gary S
20 Sep 2024
10% owner
Sell
12,209
$17.88
$218.29K
Winemaster Gary S
19 Sep 2024
10% owner
Sell
6,681
$17.57
$117.39K
Winemaster Gary S
9 Sep 2024
10% owner
Sell
100
$19.25
$1.93K
Winemaster Gary S
6 Sep 2024
10% owner
Sell
1,000
$19.39
$19.39K
Winemaster Gary S
5 Sep 2024
10% owner
Sell
19,000
$19.72
$374.74K
Winemaster Gary S
4 Sep 2024
10% owner
Sell
2,137
$19.75
$42.21K
Winemaster Gary S
29 Jul 2024
10% owner
Sell
5,693
$11.95
$68.03K
Winemaster Gary S
29 Jul 2024
10% owner
Sell
1,500
$12.00
$18.00K
Winemaster Gary S
29 Jul 2024
10% owner
Sell
2,677
$12.13
$32.46K
Winemaster Gary S
29 Jul 2024
10% owner
Sell
3,906
$12.88
$50.31K
Winemaster Gary S
26 Jul 2024
10% owner
Sell
100
$11.86
$1.19K
Winemaster Gary S
26 Jul 2024
10% owner
Sell
130
$11.95
$1.55K
Winemaster Gary S
26 Jul 2024
10% owner
Sell
9,105
$11.90
$108.35K
Winemaster Gary S
26 Jul 2024
10% owner
Sell
10,000
$11.95
$119.50K
Winemaster Gary S
25 Jul 2024
10% owner
Sell
100
$11.88
$1.19K
Winemaster Gary S
25 Jul 2024
10% owner
Sell
2,118
$11.89
$25.18K
Winemaster Gary S
25 Jul 2024
10% owner
Sell
3,289
$11.86
$39.01K
Winemaster Gary S
25 Jul 2024
10% owner
Sell
4,493
$11.85
$53.24K
Winemaster Gary S
25 Jul 2024
10% owner
Sell
10,000
$11.60
$116.00K
Winemaster Gary S
25 Jul 2024
10% owner
Sell
10,000
$11.75
$117.50K
Winemaster Gary S
24 Jul 2024
10% owner
Sell
20,000
$11.60
$232.00K
Winemaster Gary S
23 Jul 2024
10% owner
Sell
5,795
$11.60
$67.22K
Winemaster Gary S
29 Aug 2023
10% owner
Sell indirect
285
$3.01
$857.85
Winemaster Gary S
29 Aug 2023
10% owner
Sell indirect
100
$3.01
$300.50
Winemaster Gary S
29 Aug 2023
10% owner
Sell indirect
10,000
$3.00
$30.00K
Winemaster Gary S
25 Aug 2023
10% owner
Sell indirect
10,000
$3.00
$30.00K
Winemaster Gary S
25 Aug 2023
10% owner
Sell indirect
100
$3.00
$300.20
Winemaster Gary S
25 Aug 2023
10% owner
Sell indirect
9,310
$3.00
$27.93K
Winemaster Gary S
24 Aug 2023
10% owner
Sell indirect
400
$3.00
$1.20K
Winemaster Gary S
24 Aug 2023
10% owner
Sell indirect
9,600
$3.02
$28.94K
Winemaster Gary S
18 Aug 2023
10% owner
Sell indirect
100
$3.05
$305.00
Winemaster Gary S
16 Aug 2023
10% owner
Sell indirect
100
$3.05
$305.00
Winemaster Gary S
16 Aug 2023
10% owner
Sell indirect
10,000
$3.00
$30.00K
Winemaster Gary S
20 Jul 2023
10% owner
Sell indirect
15,000
$3.15
$47.25K
Winemaster Gary S
15 Nov 2022
10% owner
Sell indirect
5,000
$2.25
$11.25K
Winemaster Gary S
15 Nov 2022
10% owner
Sell indirect
5,000
$2.10
$10.50K
Winemaster Gary S
8 Feb 2022
10% owner
Sell indirect
100
$3.03
$303.00
Winemaster Gary S
7 Feb 2022
10% owner
Sell indirect
110
$3.05
$335.50
Winemaster Gary S
21 Jan 2022
10% owner
Sell indirect
100
$3.09
$309.00
Winemaster Gary S
13 Jan 2022
10% owner
Sell indirect
100
$3.10
$310.00
Winemaster Gary S
11 Jan 2022
10% owner
Sell indirect
283
$3.09
$874.47
Winemaster Gary S
31 Dec 2021
10% owner
Sell indirect
5,000
$3.00
$15.00K
Winemaster Gary S
20 Dec 2021
10% owner
Sell indirect
100
$3.99
$399.00
Winemaster Gary S
13 Dec 2021
10% owner
Sell indirect
1,713
$3.99
$6.83K
Winemaster Gary S
10 Dec 2021
10% owner
Sell indirect
104
$3.99
$414.96
Winemaster Gary S
9 Dec 2021
10% owner
Sell indirect
3,163
$4.02
$12.72K
Winemaster Gary S
11 Nov 2021
10% owner
Sell indirect
1,115
$4.50
$5.02K
Winemaster Gary S
5 Nov 2021
10% owner
Sell indirect
1,548
$4.50
$6.97K
Winemaster Gary S
4 Nov 2021
10% owner
Sell indirect
10,034
$4.50
$45.15K
Winemaster Gary S
25 Oct 2021
10% owner
Sell indirect
322
$4.47
$1.44K
Winemaster Gary S
22 Oct 2021
10% owner
Sell indirect
5,496
$4.50
$24.73K
Winemaster Gary S
14 Oct 2021
10% owner
Sell indirect
800
$4.50
$3.60K
Showing 250 of 330 transactions. The figures above use every one of them.

What was left out

Form 4 filings counted 191
Amendments (4/A) skipped 2
Filings about a different issuer 0
Unreadable filings 0
Joint filings 15
Sales on a Rule 10b5-1 plan 0
Sales straight out of an exercise 0
Sales at will 264
Transactions with no price 0
Shares from compensation/vesting 6,209,741
Sales filed before the plan box existed 96
History held since 22 Jun 2017