Charles C. Pappis

Companies

• ACM Research, Inc.Board member May 21, 2025 to now¹
• Applied MaterialsCorp.VP, GM AGS Nov 3, 2009 to Jul 3, 2013²

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• Applied Materials AMAT415,248 shares³$169.1M at $407.19Jul 3, 2013
• ARACM Research, Inc. ACMR0 shares⁴Apr 17, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• Apr 17, 2026Sold 5,000 shares at $52.00 of ACM Research, Inc.⁴
• Apr 17, 2026Exercised options 5,000 shares at $29.18 of ACM Research, Inc.⁴
• Mar 5, 2026Sold 5,000 shares at $50.09 of ACM Research, Inc.⁵
• Mar 5, 2026Exercised options 5,000 shares at $29.18 of ACM Research, Inc.⁵
• Jul 1, 2013Sold 21,667 shares at $14.91 of Applied Materials³
• Jul 1, 2013Exercised options 21,667 shares at $8.58 of Applied Materials³
• Dec 21, 2012Sold 24,112 shares at $11.34 of Applied Materials⁶
• Dec 21, 2012Sold 11,900 shares at $11.33 of Applied Materials⁶
• Dec 19, 2012Shares withheld for tax 20,863 shares at $11.34 of Applied Materials⁶
• Dec 5, 2012Granted 150,000 shares of Applied Materials⁷
• Dec 20, 2011Sold 37,583 shares at $10.62 of Applied Materials⁸
• Dec 19, 2011Shares withheld for tax 32,417 shares at $10.13 of Applied Materials⁸
• Dec 5, 2011Granted 150,000 shares of Applied Materials⁹
• Sep 9, 2011Sold 5,698 shares at $10.79 of Applied Materials¹⁰
• Aug 31, 2011Shares withheld for tax 3,302 shares at $11.32 of Applied Materials¹¹
• Apr 4, 2011Sold 21,667 shares at $15.37 of Applied Materials¹²
• Apr 4, 2011Exercised options 21,667 shares at $8.58 of Applied Materials¹²
• Jan 3, 2011Sold 7,914 shares at $14.26 of Applied Materials¹³
• Jan 3, 2011Sold 21,666 shares at $14.26 of Applied Materials¹³
• Jan 3, 2011Exercised options 21,666 shares at $8.58 of Applied Materials¹³
• Dec 19, 2010Shares withheld for tax 4,586 shares at $13.61 of Applied Materials¹⁴
• Dec 6, 2010Granted 125,000 shares of Applied Materials¹⁵
• Sep 7, 2010Sold 13,612 shares at $10.74 of Applied Materials¹⁶
• Aug 31, 2010Shares withheld for tax 7,888 shares at $10.37 of Applied Materials¹⁷
• Jan 19, 2010Granted 125,000 shares of Applied Materials¹⁸