Latest filing published 06 Mar 2026 for Amtech Systems INC. Read the official filing
Michael M. Ludwig is a declared insider at 3 companies; the most frequent names are Formfactor Inc, Rogers Corp and Amtech Systems Inc. The record holds 50 filings, for trades running from 5 May 2015 to 5 March 2026.
Sales make up the whole of the open-market record (18 sales, €1.8M). Outside the open market, there are 13 share grants and 19 option exercises.
The record was last updated on 6 March 2026 with an option exercise in Amtech Systems Inc. Typically, a trade is published a median of 2 days after it takes place. Section 16 rules allow two business days to file each Form 4. A sale on its own says little: insiders also sell to pay tax, fund a purchase or diversify. Source: insider filings from SEC (Form 4). Past trades are no guide to future returns.
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6 of 6 declarations