PAPPIS CHARLES C

PrivateCIK: 1475345
Location

SANTA CLARA, CA

Senior insider sale

ACM RESEARCH, INC. — senior position signals high conviction

$510.5K

10K shares

What this filing means

PAPPIS CHARLES C plans to sell 10K shares of ACM RESEARCH, INC. valued at approximately $510.5K. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.

InsiderPAPPIS CHARLES CCIK 1475345
IssuerACM RESEARCH, INC.CIK 1680062
Director
Since Mar 2026
10K
Shares to sell
$510.5K
Approx. market value
5K
Acquired (3 months)
1
Planned
1 completed
Securities Acquired — Last 3 Months1
Sort

Stock Option Exercise

Cash

4/17/2026
5K
Total acquired5K
Planned & Completed Dispositions2
Sort

Completed

Completed

Units to sell

5K

Market value

$250.5K

3/5/2026

Planned — Approximate Date

NASDAQPlanned

Units to sell

5K

Market value

$260.0K

4/17/2026
Total

Units

10K

Value

$510.5K

PAPPIS CHARLES C — Planned Insider Sale (Form 144) | Finecho