AMTECH SYSTEMS INC reports

Company Names, identifiers, and filing context for this profile. 1 identity field
Company location
Tempe, AZ
SEC filing record 1 source field available
Fiscal year end
30 September
AMTECH SYSTEMS INC has filed 967 SEC EDGAR filings since 15 May 1995

SEC filing history

Showing 1-17 of 17 matching filings.

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SC 13D/A File 005-39482

SC 13D/A

Filing date
14 May 2024
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SC 13D/A File 005-39482

SC 13D/A

Filing date
24 Feb 2022
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SC 13D/A File 005-39482

SC 13D/A filing

Filing date
18 Feb 2021
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SC 13D/A File 005-39482

SC 13D/A

Filing date
30 Jan 2020
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SC 13D File 005-39482

SC 13D filing

Filing date
11 Dec 2019
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SC 13D File 005-39482

SCHEDULE 13D

Filing date
25 Nov 2019
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SC 13D/A File 005-39482

SCHEDULE 13D AMENDMENT NO. 4

Filing date
27 Nov 2018
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SC 13D/A File 005-39482

SCHEDULE 13D AMENDMENT NO. 3

Filing date
17 Jul 2018
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SC 13D/A File 005-39482

SCHEDULE 13D AMENDMENT NO. 2

Filing date
18 Dec 2017
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SC 13D/A File 005-39482

SCHEDULE 13D AMENDMENT NO. 1

Filing date
24 Aug 2017
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SC 13D/A File 005-39482

SCHEDULE 13D/A

Filing date
18 Mar 2016
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SC 13D File 005-39482

SCHEDULE 13D

Filing date
25 Jan 2016
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SC 13D File 005-39482

SCHEDULE 13D

Filing date
09 Feb 2015
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SC 13D/A File 005-39482

SC 13D/A

Filing date
31 Jan 2011
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SC 13D/A File 005-39482

SC 13D/A

Filing date
28 Sep 2010
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SC 13D/A File 005-39482

SC 13D/A

Filing date
08 Sep 2010
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SC 13D/A File 005-39482

SC 13D/A

Filing date
08 Sep 2010
Reporting date
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