Thomas B. Sabol - 04 Aug 2026 Form 4 Insider Report for AMTECH SYSTEMS INC (ASYS)

Reporting relationship
Chief Financial Officer
Issuer ticker
ASYS
Reported as of
04 Aug 2026
Net transaction value
$0
Source evidence Original filing metadata and source links for verification. 4 source fields
SEC form
4
Accepted by SEC
05 Aug 2026, 16:19:36 UTC
Prior SEC filing
29 May 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Thomas B Sabol

Key filing fact

Thomas B. Sabol filed Form 4 for AMTECH SYSTEMS INC (ASYS) on 05 Aug 2026.

Key facts

  • This page summarizes Thomas B. Sabol's Form 4 filing for AMTECH SYSTEMS INC (ASYS).
  • 1 reported transaction and 1 derivative row are listed below.
  • Accepted by SEC: 05 Aug 2026, 16:19.

Change

  • Previous filing in this sequence was filed on 29 May 2026.
  • Current net transaction value: $0.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001223192 Primary reporting owner

SABOL THOMAS B

Relationship
Chief Financial Officer
Address
C/O AMTECH SYSTEMS, INC., 58 S. RIVER DRIVE, SUITE 370, TEMPE
Signature
/s/ Thomas B Sabol
Signature date
05 Aug 2026

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

ASYS transaction Derivative

Restricted Stock Units

Award

Transaction value
Shares
+15,000
Change %
Price
$0.000000*
Shares after
15,000
Date
04 Aug 2026
Ownership
Direct
Underlying class
Amtech Systems, Inc. $0.01 par value common stock
Underlying amount
15,000
Exercise price
Footnotes
F1, F2
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

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

Footnote F2

One-third (1/3) of the restricted stock units shall vest on each of the first three anniversaries of the grant date.

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