Mary G. Puma

Companies

• EntegrisBoard member Sep 6, 2024 to now¹
• Allegro MicroSystemsBoard member Oct 20, 2023 to now²
• CienaBoard member Sep 6, 2023 to now³
• Penguin Solutions, Inc.Board member Jul 19, 2023 to now⁴
• Axcelis TechnologiesChair Jan 4, 2006 to May 13, 2024⁵
• Nordson CorporationBoard member Nov 3, 2003 to Nov 2, 2023⁶
• Axcelis TechnologiesBoard member May 17, 2016 to Mar 1, 2023⁷
• Axcelis TechnologiesChief executive officer Jan 4, 2006 to Mar 1, 2023⁵
• Axcelis TechnologiesPresident Jan 4, 2006 to Mar 1, 2023⁵

Holdings

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

Shares held

• Axcelis Technologies ACLS236,976 shares⁸$26.5M at $111.93May 13, 2024
• Nordson Corporation NDSN16,844 shares⁹$5.5M at $324.78Nov 2, 2023
• CCiena CIEN11,477 shares¹⁰$4.0M at $346.74Mar 26, 2026
• PSPenguin Solutions, Inc. PENG25,398 shares¹¹$1.4M at $56.80Feb 6, 2026
• EEntegris ENTG5,516 shares¹²$798.2K at $144.71May 6, 2026
• Allegro MicroSystems ALGM21,734 shares¹³$715.0K at $32.90Aug 5, 2026

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

Recent filings

• Aug 5, 2026Granted 4,251 shares of Allegro MicroSystems¹³
• May 6, 2026Granted 1,412 shares of Entegris¹²
• Mar 26, 2026Granted 605 shares of Ciena¹⁰
• Feb 6, 2026Granted 10,034 shares of Penguin Solutions, Inc.¹¹
• Aug 7, 2025Granted 5,932 shares of Allegro MicroSystems¹⁴
• Apr 23, 2025Granted 2,897 shares of Entegris¹⁵
• Mar 27, 2025Granted 3,738 shares of Ciena¹⁶
• Feb 7, 2025Granted 8,397 shares of Penguin Solutions, Inc.¹⁷
• Sep 5, 2024Granted 1,207 shares of Entegris¹⁸
• Aug 8, 2024Granted 6,873 shares at $26.92 of Allegro MicroSystems¹⁹
• May 9, 2024Shares withheld for tax 17,393 shares at $113.04 of Axcelis Technologies⁸
• Mar 21, 2024Granted 4,438 shares of Ciena²⁰
• Feb 28, 2024Shares withheld for tax 6,828 shares of Axcelis Technologies²¹
• Feb 28, 2024Shares withheld for tax 6,289 shares of Axcelis Technologies²¹
• Oct 18, 2023Granted 4,678 shares of Allegro MicroSystems²²
• Sep 1, 2023Granted 2,696 shares of Ciena²³
• Jul 17, 2023Granted 6,967 shares of Penguin Solutions, Inc.²⁴
• Jul 14, 2023Sold 2,099 shares at $245.92 of Nordson Corporation²⁵
• Jun 12, 2023Sold 11,800 shares at $181.80 of Axcelis Technologies²⁶
• Jun 12, 2023Sold 11,800 shares at $181.80 of Axcelis Technologies²⁷
• Jun 7, 2023Gift 4,127 shares of Axcelis Technologies²⁸
• Jun 7, 2023Sold 21,701 shares at $173.58 of Axcelis Technologies²⁸
• May 25, 2023Sold 19,722 shares at $151.83 of Axcelis Technologies²⁹
• May 18, 2023Gift 4,778 shares of Axcelis Technologies³⁰
• May 18, 2023Sold 8,578 shares at $141.52 of Axcelis Technologies³⁰

Trade performance

Returns are price-only (no dividends), measured from the trade date.