Dudediligence.

ACM Research, Inc

ACMRNASDAQ · Special Industry Machinery, NEC
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Last 12 months

Sales planned on beside the trades reported on , and whether each names a .

Planned ·

$51.2M

27 notices · 948,752 sh

Oct 2025 to Oct 2026

Reported ·

$35.9M

57 sales · 0 buys

Oct 2025 to Jun 2026

The two figures cover different periods.

All 57 reported sales carry the 10b5-1 box.

PLANNED · FORM 144Oct 2025 to Oct 2026REPORTED · FORM 4Oct 2025 to Jun 2026N2025DJ2026FMAMJJASO2026-09-09: HUI WANG, Form 1442026-09-08: HUI WANG, Form 1442026-08-20: MARK A MCKECHNIE, Form 1442026-08-18: HAIPING DUN, Form 1442026-06-05: SOTHEARA CHEAV, Form 1442026-06-04: HUI WANG, Form 1442026-06-04: SOTHEARA CHEAV, Form 1442026-06-03: HUI WANG, Form 1442026-05-19: HAIPING DUN, Form 1442026-04-17: CHARLES PAPPIS, Form 1442026-03-12: HUI WANG, Form 1442026-03-12: MARK A MCKECHNIE, Form 1442026-03-11: TRACY DONG LIU, Form 1442026-03-11: HUI WANG, Form 1442026-03-10: TRACY DONG LIU, Form 1442026-03-09: HAIPING DUN, Form 1442026-03-06: LISA YI LU FENG, Form 1442026-03-05: CHARLES PAPPIS, Form 1442026-03-05: LISA YI LU FENG, Form 1442025-12-08: MARK A MCKECHNIE, Form 1442025-12-04: MARK A MCKECHNIE, Form 1442025-12-04: HUI WANG, Form 1442025-12-03: FUPING CHEN, Form 1442025-12-03: HUI WANG, Form 1442025-12-02: FUPING CHEN, Form 1442025-11-13: LISA YI LU FENG, Form 1442025-11-12: LISA YI LU FENG, Form 1442025-11-12: Feng Lisa, sold2025-12-02: Chen Fuping, sold2025-12-03: Wang David H, sold2025-12-04: McKechnie Mark, sold2026-03-05: Feng Lisa, sold2026-03-05: Pappis Charles C, sold2026-03-09: Dun Haiping, sold2026-03-10: Liu Tracy, sold2026-03-11: Wang David H, sold2026-03-12: McKechnie Mark, sold2026-04-17: Pappis Charles C, sold2026-05-19: Dun Haiping, sold2026-06-03: Wang David H, sold2026-06-04: Cheav Sotheara, sold
under a ▼ salesize is dollars

Form 144 notices, newest first

2026-09-09HUI WANG, See Remarks$5,221,482
70,000 shplan 2026-06-05Form 4s on file end Jun 23144 ↗
2026-09-08HUI WANG, See Remarks$5,408,522
70,000 shplan 2026-06-05Form 4s on file end Jun 23144 ↗
2026-08-20MARK A MCKECHNIE, See Remarks$4,264,868
55,199 shplan 2026-05-21Form 4s on file end Jun 23144 ↗
2026-08-18HAIPING DUN, Director$405,663
5,000 shplan 2025-08-13Form 4s on file end Jun 23144 ↗
2026-06-05SOTHEARA CHEAV, See remarks$449,080
5,399 shplan 2026-03-05Form 4s on file end Jun 23144 ↗
2026-06-04HUI WANG, See Remarks$3,432,316
40,002 shplan 2024-11-29Form 4s on file end Jun 23144 ↗
2026-06-04SOTHEARA CHEAV, See remarks$1,136,822
13,351 shplan 2026-03-05144 ↗
Form 4, 2026-06-05: sold 18,750 at $84.58 Form 4 ↗
2026-06-03HUI WANG, See Remarks$5,403,084
60,000 shplan 2024-11-29144 ↗
Form 4, 2026-06-05: sold 100,002 at $88.35 Form 4 ↗
2026-05-19HAIPING DUN, Director$331,120
5,000 shplan 2025-08-13144 ↗
Form 4, 2026-05-21: sold 5,000 at $66.22 Form 4 ↗
2026-04-17CHARLES PAPPIS, Director$260,001
5,000 shplan 2025-11-20144 ↗
Form 4, 2026-04-21: sold 5,000 at $52.00 Form 4 ↗
2026-03-12HUI WANG, See Remarks$2,278,825
50,000 shplan 2024-11-29no Form 4 on file144 ↗
2026-03-12MARK A MCKECHNIE, See Remarks$4,491,743
98,551 shplan 2025-08-27144 ↗
Form 4, 2026-03-13: sold 98,551 at $45.58 Form 4 ↗
2026-03-11TRACY DONG LIU, Director$718,667
15,000 shplan 2025-12-04no Form 4 on file144 ↗
2026-03-11HUI WANG, See Remarks$2,875,386
60,000 shplan 2024-11-29144 ↗
Form 4, 2026-03-13: sold 110,000 at $46.86 Form 4 ↗
2026-03-10TRACY DONG LIU, Director$2,132,249
45,000 shplan 2025-12-04144 ↗
Form 4, 2026-03-12: sold 60,000 at $47.51 Form 4 ↗
2026-03-09HAIPING DUN, Director$217,344
5,000 shplan 2025-08-13144 ↗
Form 4, 2026-03-11: sold 5,000 at $43.47 Form 4 ↗
2026-03-06LISA YI LU FENG, See remarks$691,173
15,000 shplan 2025-12-02no Form 4 on file144 ↗
2026-03-05CHARLES PAPPIS, Director$250,485
5,000 shplan 2025-11-20144 ↗
Form 4, 2026-03-09: sold 5,000 at $50.09 Form 4 ↗
2026-03-05LISA YI LU FENG, See remarks$750,149
15,000 shplan 2025-12-02144 ↗
Form 4, 2026-03-09: sold 30,000 at $48.04 Form 4 ↗
2025-12-08MARK A MCKECHNIE, See Remarks$797,625
22,500 shplan 2025-08-27no Form 4 on file144 ↗
2025-12-04MARK A MCKECHNIE, See Remarks$293,857
8,750 shplan 2025-08-27144 ↗
Form 4, 2025-12-08: sold 31,250 at $34.93 Form 4 ↗
2025-12-04HUI WANG, See Remarks$2,047,410
60,000 shplan 2024-11-29no Form 4 on file144 ↗
2025-12-03FUPING CHEN, See remarks$661,106
20,000 shplan 2025-08-28no Form 4 on file144 ↗
2025-12-03HUI WANG, See Remarks$2,314,172
70,000 shplan 2024-11-29144 ↗
Form 4, 2025-12-05: sold 130,000 at $33.55 Form 4 ↗
2025-12-02FUPING CHEN, See remarks$3,320,010
100,000 shplan 2025-08-28144 ↗
Form 4, 2025-12-04: sold 120,000 at $33.18 Form 4 ↗
2025-11-13LISA YI LU FENG, See remarks$506,796
15,000 shplan 2025-08-13no Form 4 on file144 ↗
2025-11-12LISA YI LU FENG, See remarks$491,408
15,000 shplan 2025-08-13144 ↗
Form 4, 2025-11-14: sold 30,000 at $33.27 Form 4 ↗