Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 2 years
- Director since
- 2025
2 years of board service in total across 1 board, counting each seat separately. Longest: ACM Research Inc., 1 year.
ACM Research Inc.
Director
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
ACM Research Inc. June 10, 202690.9%
-
ACM Research Inc. June 12, 202598.9%
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Apr 17, 2026 | ACM Research Inc. | Option exercise | +5,000 | $29.18 | $145,900 |
| Apr 17, 2026 | ACM Research Inc. | Open-market sale | −5,000 | $52.00 | $260,000 |
| Mar 5, 2026 | ACM Research Inc. | Option exercise | +5,000 | $29.18 | $145,900 |
| Mar 5, 2026 | ACM Research Inc. | Open-market sale | −5,000 | $50.09 | $250,450 |
Questions about Charles C. Pappis
What boards is Charles C. Pappis on?
Charles C. Pappis sits on the board of ACM Research Inc.
How long has Charles C. Pappis served on boards?
Our records show at least 2 years of board service across 1 board, the earliest from 2025.
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