Michael M. Ludwig - 04 Mar 2026 Form 4 Insider Report for AMTECH SYSTEMS INC (ASYS)

Role
Director
Signature
/s/ Mark Weaver, by power of attorney
Issuer symbol
ASYS
Transactions as of
04 Mar 2026
Net transactions value
$0
Form type
4
Filing time
06 Mar 2026, 17:01:37 UTC
Previous filing
07 Mar 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
LUDWIG MICHAEL M Director C/O AMTECH SYSTEMS, INC., 58 S. RIVER DRIVE, SUITE 370, TEMPE /s/ Mark Weaver, by power of attorney 06 Mar 2026 0001256949

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ASYS Amtech Systems, Inc. $0.01 par value common stock Options Exercise +8,081 +32% $0.000000* 33,069 05 Mar 2026 Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction ASYS Restricted Stock Units Award +2,839 $0.000000* 2,839 04 Mar 2026 Amtech Systems, Inc. $0.01 par value common stock 2,839 Direct F1
transaction ASYS Restricted Stock Units Options Exercise -8,081 -74% $0.000000* 2,839 05 Mar 2026 Amtech Systems, Inc. $0.01 par value common stock 8,081 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Each restricted stock unit represents a contingent right to receive one share of Common Stock of Amtech Systems, Inc.