Michael M. Ludwig

Companies

• AMTECH SYSTEMS INCBoard member Jan 18, 2023 to now¹
• Rogers CorporationChief financial officer Sep 19, 2018 to Feb 17, 2021²
• FORMFACTOR INCChief financial officer May 18, 2011 to Feb 22, 2018³

Holdings

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

Shares held

• Rogers Corporation ROG7,123 shares⁴$962.0K at $135.06Feb 12, 2021
• ASAMTECH SYSTEMS INC ASYS33,069 shares⁵$435.0K at $13.15Mar 5, 2026

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

Recent filings

• Mar 5, 2026Exercised options 8,081 shares of AMTECH SYSTEMS INC⁵
• Mar 6, 2025Exercised options 8,299 shares of AMTECH SYSTEMS INC⁶
• Mar 11, 2024Granted 2,000 shares at $4.73 of AMTECH SYSTEMS INC⁷
• Mar 7, 2024Granted 1,500 shares at $4.91 of AMTECH SYSTEMS INC⁸
• Mar 6, 2024Granted 6,000 shares at $4.85 of AMTECH SYSTEMS INC⁸
• Mar 1, 2024Exercised options 4,189 shares of AMTECH SYSTEMS INC⁹
• Mar 1, 2023Exercised options 3,000 shares of AMTECH SYSTEMS INC¹⁰
• Feb 12, 2021Shares withheld for tax 327 shares at $179.26 of Rogers Corporation⁴
• Feb 7, 2021Shares withheld for tax 416 shares at $172.10 of Rogers Corporation¹¹
• Sep 17, 2020Shares withheld for tax 308 shares at $106.67 of Rogers Corporation¹²
• Feb 12, 2020Granted 3,330 shares of Rogers Corporation¹³
• Feb 7, 2020Shares withheld for tax 425 shares at $115.57 of Rogers Corporation¹⁴
• Sep 17, 2019Shares withheld for tax 236 shares at $146.00 of Rogers Corporation¹⁵
• Feb 7, 2019Granted 3,005 shares of Rogers Corporation¹⁶
• Feb 7, 2019Granted 3,756 shares of Rogers Corporation¹⁷
• Sep 17, 2018Granted 2,400 shares of Rogers Corporation¹⁸