Haiping Dun — Insider Trading Activity | LevelFields AI

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Insider Transactions

HD

Haiping Dun

DELAYED 1 MONTH

Director

ACM Research, Inc.

Filings

2

Companies

1

Latest

May 19, 2026

Transactions

Signal

Ticker / Company

Insider

Transaction

Value

Filed

54

ACMRFULL EXIT

ACM Research, Inc.

Director

Sale

$331.1K

5,000 sh

May 21 8:30 PM

May 19, 2026

—

ACM Research, Inc.

Director

Option Exercise

$28.0K

5,000 sh

May 21 8:30 PM

May 19, 2026

65

ACMRCLUSTER 3FULL EXIT

ACM Research, Inc.

Director

Sale

$217.4K

5,000 sh

Mar 11 8:30 PM

Mar 9, 2026

—

ACM Research, Inc.

Director

Option Exercise

$28.0K

5,000 sh

Mar 11 8:30 PM

Mar 9, 2026