Insiders / Pappis Charles C
Pappis Charles C
CIK 1475345personinsider
Companies
1
First seen
Mar 9, 2026
Last activity
Mar 9, 2026
Companies
| Company | Shares held | Latest |
|---|---|---|
| ACM Research Inc · ACMR | 0 | — |
All securities held
1 position · latest reported per filing
| Company | Security | Shares |
|---|---|---|
| ACM Research Inc | Stock OptionDerivative | 5,000 |
Activity
InsidersInstitutions
This person's insider trades (Form 4), across every company.| Date | Action | Company | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|
| Mar 5, 2026 | Sell | ACMR ACM Research Inc Class A Common Stock | $250.4K | -5K -100.00% | 0 0.00% of shares | medium |
| Mar 5, 2026 | Exercise | ACMR ACM Research Inc Class A Common Stock | $145.9K | +5K | 5,000 <0.01% of shares | low |
| Mar 5, 2026 | Exercise | ACMR ACM Research Inc Stock Option | — | -5K -50.00% | 5,000 <0.01% of shares | low |