Michael Whang - Chief Executive Officer, Director at AMTECH SYSTEMS INC

Issuer-level insider activity

Role
Chief Executive Officer, Director
Issuer ticker
ASYS on Nasdaq
Identity Names, identifiers, and filing context for this profile. 1 identity field
Entity type
Individual
Source evidence Original filing metadata and source links for verification. 1 source field
Source filing history
Open source filing history

No buys or sells have been reported by Michael Whang since 10 Sep 2025

Reported holdings for Michael Whang in AMTECH SYSTEMS INC

Form 4 holding Chief Executive Officer, Director

AMTECH SYSTEMS INC

Security class
Amtech Systems, Inc. $0.01 par value common stock
Shares / value
31,499
Estimated value
$122,846
Report date
28 Nov 2022
Price
$3.90
Ownership
Direct
Form 4 holding Chief Executive Officer, Director

AMTECH SYSTEMS INC

Security class
Amtech Systems, Inc. Employee Stock Option
Shares / value
12,000
Estimated value
$68,040
Report date
01 Dec 2022
Price
$5.67
Ownership
Direct
Underlying class
Amtech Systems, Inc. $0.01 par value common stock
Underlying amount

Transaction history for Michael Whang in AMTECH SYSTEMS INC

Sym Class Transaction % SEC-reported value SEC-reported price Shares Shares after Date Ownership
* marks a reported price that did not pass the local price check.
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