AMTECH SYSTEMS INC — Director's Dealing 2025

Mar 7, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AMTECH SYSTEMS INC (ASYS)
CIK: 0000720500
Period of Report: 2025-03-05

Reporting Person: LUDWIG MICHAEL M (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-03-06	Amtech Systems, Inc. $0.01 par value common stock	M	8299	—	Acquired	24988	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-03-05	Restricted Stock Units	$	A	8081	Acquired	2026-03-05	Amtech Systems, Inc. $0.01 par value common stock (8081)	Direct
2025-03-06	Restricted Stock Units	$	M	8299	Disposed	2025-03-06	Amtech Systems, Inc. $0.01 par value common stock (8299)	Direct

Footnotes

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