27 transactions on file, per SEC Form 4 filings.
See ACMR superinvestor activity →Wang David H
See Remarks · 2026-09-09
Option exercise
$70K
Wang David H
See Remarks · 2026-09-09
Sold
$2.5M
Wang David H
See Remarks · 2026-09-09
Sold
$1.4M
Wang David H
See Remarks · 2026-09-09
Sold
$882K
Wang David H
See Remarks · 2026-09-09
Sold
$369K
Wang David H
See Remarks · 2026-09-09
Sold
$85K
Wang David H
See Remarks · 2026-09-08
Sold
$365K
Wang David H
See Remarks · 2026-09-08
Sold
$4.0M
Wang David H
See Remarks · 2026-09-08
Sold
$962K
Wang David H
See Remarks · 2026-09-08
Sold
$118K
Wang David H
See Remarks · 2026-09-08
Option exercise
$70K
McKechnie Mark
See Remarks · 2026-08-20
Option exercise
$347K
McKechnie Mark
See Remarks · 2026-08-20
Sold
$1.0M
McKechnie Mark
See Remarks · 2026-08-20
Option exercise
$589K
McKechnie Mark
See Remarks · 2026-08-20
Sold
$2.4M
McKechnie Mark
See Remarks · 2026-08-20
Sold
$873K
Dun Haiping
director · 2026-08-18
Option exercise
$28K
Dun Haiping
director · 2026-08-18
Sold
$96K
Dun Haiping
director · 2026-08-18
Sold
$276K
Dun Haiping
director · 2026-08-18
Sold
$33K
Pappis Charles C
director · 2026-08-12
Award
$520K
Pappis Charles C
director · 2026-08-12
Award
$70K
Liu Tracy
director · 2026-08-12
Award
$520K
Liu Tracy
director · 2026-08-12
Award
$70K
Dun Haiping
director · 2026-08-12
Award
$520K
Dun Haiping
director · 2026-08-12
Award
$70K
Wang David H
See Remarks · 2026-05-13
Award
6,208 sh
Each row links to the underlying SEC filing. Sells are shown for transparency, not as a signal — see the insider trading article for why.
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