ACM Research, Inc. - ACMR

Insiders (Form 4) · last 180 days · showing up to 200 transactions · Form 144 is shown in the SEC filings tab · Updating…
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Transaction codes: P = Open-market purchase · S = Open-market sale · A = Grant/award · M = Exercise/conversion of derivative · G = Gift · F = Tax withholding · J = Other · A/D: A = Acquired (buy/receive) · D = Disposed (sell/give)
Filed Owner Title Code A/D Shares Price Value Shares after SEC
Sep 10, 2026 See Remarks M D 70,000.0 0.0 0.0 130,000.0 View
Sep 10, 2026 See Remarks M D 70,000.0 0.0 0.0 200,000.0 View
Sep 10, 2026 See Remarks S D 1,100.0 77.59 85,349.0 802,708.0 View
Sep 10, 2026 See Remarks S D 4,807.0 76.73 368,841.11 803,808.0 View
Sep 10, 2026 See Remarks S D 11,666.0 75.58 881,716.28 808,615.0 View
Sep 10, 2026 See Remarks S D 18,934.0 74.67 1,413,801.78 820,281.0 View
Sep 10, 2026 See Remarks S D 33,493.0 73.8 2,471,783.4 839,215.0 View
Sep 10, 2026 See Remarks M A 70,000.0 1.0 70,000.0 872,708.0 View
Sep 10, 2026 See Remarks S D 1,500.0 78.57 117,855.0 802,708.0 View
Sep 10, 2026 See Remarks S D 12,323.0 78.08 962,179.84 804,208.0 View
Sep 10, 2026 See Remarks S D 51,374.0 77.15 3,963,504.1 816,531.0 View
Sep 10, 2026 See Remarks S D 4,803.0 75.99 364,979.97 867,905.0 View
Sep 10, 2026 See Remarks M A 70,000.0 1.0 70,000.0 872,708.0 View
Aug 26, 2026 — A A 728.0 0.0 0.0 728.0 View
Aug 26, 2026 — A A 6,400.0 0.0 0.0 6,400.0 View
Aug 26, 2026 — A A 728.0 0.0 0.0 728.0 View
Aug 26, 2026 — A A 6,400.0 0.0 0.0 6,400.0 View
Aug 26, 2026 — A A 728.0 0.0 0.0 728.0 View
Aug 26, 2026 — A A 6,400.0 0.0 0.0 6,400.0 View
Aug 21, 2026 See Remarks M D 25,000.0 0.0 0.0 215,000.0 View
Aug 21, 2026 See Remarks M D 30,199.0 0.0 0.0 31,250.0 View
Aug 21, 2026 See Remarks S D 11,209.0 77.89 873,069.01 900.0 View
Aug 21, 2026 See Remarks S D 30,365.0 77.45 2,351,769.25 12,109.0 View
Aug 21, 2026 See Remarks S D 13,625.0 76.34 1,040,132.5 42,474.0 View
Aug 21, 2026 See Remarks M A 25,000.0 13.89 347,250.0 56,099.0 View
Aug 21, 2026 See Remarks M A 30,199.0 19.49 588,578.51 31,099.0 View
Aug 20, 2026 — M D 5,000.0 0.0 0.0 45,000.0 View
Aug 20, 2026 — S D 400.0 82.17 32,868.0 0.0 View
Aug 20, 2026 — S D 3,400.0 81.31 276,454.0 400.0 View
Aug 20, 2026 — S D 1,200.0 80.29 96,348.0 3,800.0 View
Aug 20, 2026 — M A 5,000.0 5.6 28,000.0 5,000.0 View
Jul 06, 2026 See Remarks A A 6,208.0 0.0 0.0 6,208.0 View
Jun 05, 2026 See remarks M D 5,399.0 0.0 0.0 37,500.0 View
Jun 05, 2026 See remarks M D 13,351.0 0.0 0.0 42,899.0 View
Jun 05, 2026 See remarks S D 1,647.0 85.41 140,670.27 100,002.0 View
Jun 05, 2026 See remarks S D 400.0 84.01 33,604.0 101,649.0 View
Jun 05, 2026 See remarks S D 968.0 82.61 79,966.48 102,049.0 View
Jun 05, 2026 See remarks S D 2,384.0 81.73 194,844.32 103,017.0 View
Jun 05, 2026 See remarks M A 5,399.0 13.89 74,992.11 105,401.0 View
Jun 05, 2026 See remarks S D 2,839.0 85.77 243,501.03 100,002.0 View
Jun 05, 2026 See remarks S D 9,212.0 85.11 784,033.32 102,841.0 View
Jun 05, 2026 See remarks S D 1,300.0 84.08 109,304.0 112,053.0 View
Jun 05, 2026 See remarks M A 13,351.0 13.89 185,445.39 113,353.0 View
Jun 05, 2026 See Remarks M D 40,002.0 0.0 0.0 270,000.0 View
Jun 05, 2026 See Remarks M D 60,000.0 0.0 0.0 310,002.0 View
Jun 05, 2026 See Remarks S D 826.0 87.91 72,613.66 802,708.0 View
Jun 05, 2026 See Remarks S D 8,581.0 87.13 747,662.53 803,534.0 View
Jun 05, 2026 See Remarks S D 10,992.0 86.07 946,081.44 812,115.0 View
Jun 05, 2026 See Remarks S D 17,543.0 85.11 1,493,084.73 823,107.0 View
Jun 05, 2026 See Remarks S D 2,060.0 83.86 172,751.6 840,650.0 View
Jun 05, 2026 See Remarks M A 40,002.0 1.0 40,002.0 842,710.0 View
Jun 05, 2026 See Remarks S D 1,187.0 93.04 110,438.48 802,708.0 View
Jun 05, 2026 See Remarks S D 5,843.0 92.38 539,776.34 803,895.0 View
Jun 05, 2026 See Remarks S D 9,925.0 90.78 900,991.5 809,738.0 View
Jun 05, 2026 See Remarks S D 32,450.0 89.84 2,915,308.0 819,663.0 View
Jun 05, 2026 See Remarks S D 6,295.0 88.98 560,129.1 852,113.0 View
Jun 05, 2026 See Remarks S D 4,300.0 87.57 376,551.0 858,408.0 View
Jun 05, 2026 See Remarks M A 60,000.0 1.0 60,000.0 862,708.0 View
May 21, 2026 — M D 5,000.0 0.0 0.0 50,000.0 View
May 21, 2026 — S D 1,858.0 67.54 125,489.32 0.0 View
May 21, 2026 — S D 1,309.0 67.21 87,977.89 1,858.0 View
May 21, 2026 — S D 500.0 65.09 32,545.0 3,167.0 View
May 21, 2026 — S D 1,333.0 63.84 85,098.72 3,667.0 View
May 21, 2026 — M A 5,000.0 5.6 28,000.0 5,000.0 View
Apr 21, 2026 — M D 5,000.0 0.0 0.0 0.0 View
Apr 21, 2026 — S D 5,000.0 52.0 260,000.0 0.0 View
Apr 21, 2026 — M A 5,000.0 29.18 145,900.0 5,000.0 View