Haiping Dun

Track

Insider profile

Currently holds a position at ACM Research Inc

Positions

Position Company Period
Independent Director ACM Research Inc Jan. 1, 2003 -
Haiping Dun's trades of ACM Research Inc's stock


• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Transaction date
Planned sale
Price
234.57
Quantity 76,774 -13.7%
Value US$3,383,761
Transaction date
Planned sale
Price
270.59
Quantity 23,840 +30.8%
Value US$870,079
Transaction date
Planned sale
Price
271.21
Quantity 24,571 -31.9%
Value US$1,312,421
Transaction date
Proposed sale
Price
81.13
Quantity 5,000
Value US$405,663
Transaction date
Planned sale
Price
67.54
Quantity 1,858 -100.0%
Value US$125,489
Transaction date
Planned sale
Price
67.21
Quantity 1,309 -41.3%
Value US$87,978
Transaction date
Planned sale
Price
65.09
Quantity 500 -13.6%
Value US$32,545
Transaction date
Planned sale
Price
63.84
Quantity 1,333 -26.7%
Value US$85,099
Transaction date
Proposed sale
Price
66.22
Quantity 5,000
Value US$331,120
Transaction date
Planned sale
Price
43.94
Quantity 900 -100.0%
Value US$39,546
Transaction date
Planned sale
Price
43.37
Quantity 4,100 -82.0%
Value US$177,817
Transaction date
Proposed sale
Price
43.47
Quantity 5,000
Value US$217,344
Transaction date
Planned sale
Price
29.23
Quantity 7,062 -0.9%
Value US$206,422
Transaction date
Planned sale
Price
28.32
Quantity 2,456 -0.3%
Value US$69,554
Transaction date
Proposed sale
Price
28.99
Quantity 9,518
Value US$275,954
Transaction date
Planned sale
Price
26.54
Quantity 15,001 -1.9%
Value US$398,127
Transaction date
Proposed sale
Price
26.54
Quantity 15,001
Value US$398,197
Transaction date
Planned sale
Price
17.43
Quantity 19,058 -2.5%
Value US$332,181
Transaction date
Proposed sale
Price
17.43
Quantity 19,058
Value US$332,259
Transaction date
Planned sale
Price
19.12
Quantity 15,000 -1.9%
Value US$286,800
Transaction date
Proposed sale
Price
19.12
Quantity 15,000
Value US$286,780
Transaction date
Planned sale
Price
18.08
Quantity 19,097 -2.5%
Value US$345,274
Transaction date
Proposed sale
Price
18.08
Quantity 19,097
Value US$345,278
Transaction date
Planned sale
Price
19.85
Quantity 15,000 -1.9%
Value US$297,750
Transaction date
Proposed sale
Price
19.85
Quantity 15,000
Value US$297,744
Transaction date
Planned sale
Price
22.63
Quantity 19,239 -2.2%
Value US$435,379
Transaction date
Proposed sale
Price
22.63
Quantity 19,239
Value US$435,354
Transaction date
Planned sale
Price
22.88
Quantity 15,000 -1.7%
Value US$343,200
Transaction date
Proposed sale
Price
22.88
Quantity 15,000
Value US$343,190
Transaction date
Planned sale
Price
28.34
Quantity 3,557 -0.4%
Value US$100,805
Transaction date
Planned sale
Price
27.56
Quantity 15,877 -1.8%
Value US$437,570
Transaction date
Proposed sale
Price
27.71
Quantity 19,434
Value US$538,549
Transaction date
Planned sale
Price
30.36
Quantity 15,000 -1.7%
Value US$455,400
Transaction date
Proposed sale
Price
30.37
Quantity 15,000
Value US$455,476
Transaction date
Planned sale
Price
17.25
Quantity 18,984 -2.2%
Value US$327,474
Transaction date
Proposed sale
Price
17.25
Quantity 18,984
Value US$327,536
Transaction date
Planned sale
Price
17.66
Quantity 15,000 -1.7%
Value US$264,900
Transaction date
Proposed sale
Price
17.66
Quantity 15,000
Value US$264,927
Transaction date
Planned sale
Price
13.85
Quantity 32,098 -3.6%
Value US$444,557
Transaction date
Proposed sale
Price
13.85
Quantity 32,098
Value US$444,589
Transaction date
Planned sale
Price
10.00
Quantity 37,500 -4.1%
Value US$375,000
Transaction date
Proposed sale
Price
10.00
Quantity 37,500
Value US$375,098
Transaction date
Planned sale
Price
12.06
Quantity 37,500 -4.0%
Value US$452,250
Transaction date
Planned sale
Price
8.43
Quantity 35,327 -3.8%
Value US$297,807
Transaction date
Planned sale
Price
16.10
Quantity 36,537 -4.1%
Value US$588,246
Notification date Transaction date Company B/S Transaction type Nb. shares
Price
Value 		Number of shares Price Value Details
2026-08-20 2026-08-18
PlS Planned sale
76,774 -13.7%
234.57
US$3,383,761 		76,774 -13.7% 234.57 US$3,383,761
2026-08-20 2026-08-18
PlS Planned sale
23,840 +30.8%
270.59
US$870,079 		23,840 +30.8% 270.59 US$870,079
2026-08-20 2026-08-18
PlS Planned sale
24,571 -31.9%
271.21
US$1,312,421 		24,571 -31.9% 271.21 US$1,312,421
2026-08-18 2026-08-18
PrS Proposed sale
5,000
81.13
US$405,663 		5,000 81.13 US$405,663
2026-05-21 2026-05-19
PlS Planned sale
1,858 -100.0%
67.54
US$125,489 		1,858 -100.0% 67.54 US$125,489
2026-05-21 2026-05-19
PlS Planned sale
1,309 -41.3%
67.21
US$87,978 		1,309 -41.3% 67.21 US$87,978
2026-05-21 2026-05-19
PlS Planned sale
500 -13.6%
65.09
US$32,545 		500 -13.6% 65.09 US$32,545
2026-05-21 2026-05-19
PlS Planned sale
1,333 -26.7%
63.84
US$85,099 		1,333 -26.7% 63.84 US$85,099
2026-05-19 2026-05-19
PrS Proposed sale
5,000
66.22
US$331,120 		5,000 66.22 US$331,120
2026-03-11 2026-03-09
PlS Planned sale
900 -100.0%
43.94
US$39,546 		900 -100.0% 43.94 US$39,546
2026-03-11 2026-03-09
PlS Planned sale
4,100 -82.0%
43.37
US$177,817 		4,100 -82.0% 43.37 US$177,817
2026-03-09 2026-03-09
PrS Proposed sale
5,000
43.47
US$217,344 		5,000 43.47 US$217,344
2025-03-18 2025-03-14
PlS Planned sale
7,062 -0.9%
29.23
US$206,422 		7,062 -0.9% 29.23 US$206,422
2025-03-18 2025-03-14
PlS Planned sale
2,456 -0.3%
28.32
US$69,554 		2,456 -0.3% 28.32 US$69,554
2025-03-14 2025-03-14
PrS Proposed sale
9,518
28.99
US$275,954 		9,518 28.99 US$275,954
2025-03-12 2025-03-10
PlS Planned sale
15,001 -1.9%
26.54
US$398,127 		15,001 -1.9% 26.54 US$398,127
2025-03-10 2025-03-10
PrS Proposed sale
15,001
26.54
US$398,197 		15,001 26.54 US$398,197
2024-12-03 2024-11-29
PlS Planned sale
19,058 -2.5%
17.43
US$332,181 		19,058 -2.5% 17.43 US$332,181
2024-11-29 2024-11-29
PrS Proposed sale
19,058
17.43
US$332,259 		19,058 17.43 US$332,259
2024-11-26 2024-11-22
PlS Planned sale
15,000 -1.9%
19.12
US$286,800 		15,000 -1.9% 19.12 US$286,800
2024-11-22 2024-11-22
PrS Proposed sale
15,000
19.12
US$286,780 		15,000 19.12 US$286,780
2024-09-03 2024-08-29
PlS Planned sale
19,097 -2.5%
18.08
US$345,274 		19,097 -2.5% 18.08 US$345,274
2024-08-29 2024-08-29
PrS Proposed sale
19,097
18.08
US$345,278 		19,097 18.08 US$345,278
2024-08-26 2024-08-22
PlS Planned sale
15,000 -1.9%
19.85
US$297,750 		15,000 -1.9% 19.85 US$297,750
2024-08-22 2024-08-22
PrS Proposed sale
15,000
19.85
US$297,744 		15,000 19.85 US$297,744
2024-05-31 2024-05-29
PlS Planned sale
19,239 -2.2%
22.63
US$435,379 		19,239 -2.2% 22.63 US$435,379
2024-05-29 2024-05-29
PrS Proposed sale
19,239
22.63
US$435,354 		19,239 22.63 US$435,354
2024-05-24 2024-05-22
PlS Planned sale
15,000 -1.7%
22.88
US$343,200 		15,000 -1.7% 22.88 US$343,200
2024-05-22 2024-05-22
PrS Proposed sale
15,000
22.88
US$343,190 		15,000 22.88 US$343,190
2024-03-15 2024-03-14
PlS Planned sale
3,557 -0.4%
28.34
US$100,805 		3,557 -0.4% 28.34 US$100,805
2024-03-15 2024-03-14
PlS Planned sale
15,877 -1.8%
27.56
US$437,570 		15,877 -1.8% 27.56 US$437,570
2024-03-14 2024-03-14
PrS Proposed sale
19,434
27.71
US$538,549 		19,434 27.71 US$538,549
2024-03-12 2024-03-08
PlS Planned sale
15,000 -1.7%
30.36
US$455,400 		15,000 -1.7% 30.36 US$455,400
2024-03-08 2024-03-08
PrS Proposed sale
15,000
30.37
US$455,476 		15,000 30.37 US$455,476
2023-12-01 2023-11-29
PlS Planned sale
18,984 -2.2%
17.25
US$327,474 		18,984 -2.2% 17.25 US$327,474
2023-11-29 2023-11-29
PrS Proposed sale
18,984
17.25
US$327,536 		18,984 17.25 US$327,536
2023-11-27 2023-11-22
PlS Planned sale
15,000 -1.7%
17.66
US$264,900 		15,000 -1.7% 17.66 US$264,900
2023-11-22 2023-11-22
PrS Proposed sale
15,000
17.66
US$264,927 		15,000 17.66 US$264,927
2023-08-24 2023-08-22
PlS Planned sale
32,098 -3.6%
13.85
US$444,557 		32,098 -3.6% 13.85 US$444,557
2023-08-22 2023-08-22
PrS Proposed sale
32,098
13.85
US$444,589 		32,098 13.85 US$444,589
2023-06-05 2023-06-01
PlS Planned sale
37,500 -4.1%
10.00
US$375,000 		37,500 -4.1% 10.00 US$375,000
2023-06-01 2023-06-01
PrS Proposed sale
37,500
10.00
US$375,098 		37,500 10.00 US$375,098
2023-03-20 2023-03-16
PlS Planned sale
37,500 -4.0%
12.06
US$452,250 		37,500 -4.0% 12.06 US$452,250
2022-12-02 2022-11-30
PlS Planned sale
35,327 -3.8%
8.43
US$297,807 		35,327 -3.8% 8.43 US$297,807
2022-08-24 2022-08-22
PlS Planned sale
36,537 -4.1%
16.10
US$588,246 		36,537 -4.1% 16.10 US$588,246