Charles C. Pappis net worth and biography

Charles Pappis Biography and Net Worth

Director of ACM Research

Charlie Pappis has served as an ACM director since 2025. Charlie Pappis a semiconductor industry veteran with more than 40 years of leadership experience in global operations, customer engagement, and business growth. He currently serves as President of Pappis Consulting, advising semiconductor equipment and supply chain companies. Previously, he spent more than 30 years at a major global U.S.-based semiconductor equipment company, where he held key executive level leadership roles. Mr. Pappis holds a Bachelor of Science in Materials Science from Worcester Polytechnic Institute and an Executive MBA from Stanford University.

What is Charles C. Pappis' net worth?: The estimated net worth of Charles C. Pappis is at least $256.05 thousand as of April 17th, 2026. Mr. Pappis owns 5,000 shares of ACM Research stock worth more than $256,050 as of April 22nd. This net worth approximation does not reflect any other investments that Mr. Pappis may own. Learn More about Charles C. Pappis' net worth.
How do I contact Charles C. Pappis?: The corporate mailing address for Mr. Pappis and other ACM Research executives is 42307 OSGOOD ROAD SUITE I, FREMONT CA, 94539. ACM Research can also be reached via phone at (510) 445-3700 and via email at [email protected]. Learn More on Charles C. Pappis' contact information.
Has Charles C. Pappis been buying or selling shares of ACM Research?: Over the course of the past ninety days, Charles C. Pappis has sold $260,000.00 in ACM Research stock. Most recently, Charles C. Pappis sold 5,000 shares of the business's stock in a transaction on Friday, April 17th. The shares were sold at an average price of $52.00, for a transaction totalling $260,000.00. Following the completion of the sale, the director now directly owns 5,000 shares of the company's stock, valued at $260,000. Learn More on Charles C. Pappis' trading history.
Who are ACM Research's active insiders?: ACM Research's insider roster includes Sotheara Cheav (Insider), Fuping Chen (insider), Haiping Dun (Director), Lisa Feng (CFO of ACM Research (Shanghai) Inc.), Tracy Liu (Director), Mark Mckechnie (Insider), Charles Pappis (Director), David Wang (Insider), Jian Wang (CEO and President of ACM Research (Shanghai) Inc.), and Yinan Xiang (Director). Learn More on ACM Research's active insiders.
Are insiders buying or selling shares of ACM Research?: During the last twelve months, insiders at the specialty retailer sold shares 21 times. They sold a total of 761,152 shares worth more than $23,778,860.00. The most recent insider tranaction occured on April, 17th when Director Charles C Pappis sold 5,000 shares worth more than $260,000.00. Insiders at ACM Research own 25.0% of the company. Learn More about insider trades at ACM Research.
Information on this page was last updated on 4/17/2026.

Charles C. Pappis Insider Trading History at ACM Research

Transaction Date	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction	Details
4/17/2026	Sell	5,000	$52.00	$260,000.00	5,000

Charles C. Pappis Buying and Selling Activity at ACM Research

ACM Research Company Overview

ACM Research, Inc., together with its subsidiaries, develops, manufactures, and sells single-wafer wet cleaning equipment for enhancing the manufacturing process and yield for integrated chips worldwide. It offers space alternated phase shift technology for flat and patterned wafer surfaces, which employs alternating phases of megasonic waves to deliver megasonic energy in a uniform manner on a microscopic level; timely energized bubble oscillation technology for patterned wafer surfaces at advanced process nodes, which provides cleaning for 2D and 3D patterned wafers; Tahoe technology for delivering cleaning performance using less sulfuric acid and hydrogen peroxide; and electro-chemical plating technology for advanced metal plating. The company markets and sells its products under the SAPS, TEBO, ULTRA C, ULTRA Fn, Ultra ECP, Ultra ECP map, and Ultra ECP ap trademarks through direct sales force and third-party representatives. ACM Research, Inc. was incorporated in 1998 and is headquartered in Fremont, California.

Today's Range

Now: $51.21

$50.60

$52.37

50 Day Range

MA: $51.00

$37.93

$70.68

2 Week Range

Now: $51.21

$17.32

$71.65

Volume

1,030,850 shs

Average Volume

960,038 shs

Market Capitalization

$3.11 billion

P/E Ratio

37.38

Dividend Yield

N/A

Beta

1.69