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 101-125 of 672 matching filings.

Per page
25
Current page
5
4

4

Filing date
15 Feb 2024
Reporting date
13 Feb 2024
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UPLOAD File 000-11412

UPLOAD filing

Filing date
15 Feb 2024
Reporting date
Not listed
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4

OWNERSHIP DOCUMENT

Filing date
14 Feb 2024
Reporting date
13 Feb 2024
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SC 13G/A File 005-39482

ASYS 13GA 2023 FILING

Filing date
12 Feb 2024
Reporting date
Not listed
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CORRESP

CORRESP filing

Filing date
09 Feb 2024
Reporting date
Not listed
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SC 13G/A File 005-39482

SEC SCHEDULE 13G

Filing date
09 Feb 2024
Reporting date
Not listed
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SC 13G File 005-39482

SC 13G filing

Filing date
09 Feb 2024
Reporting date
Not listed
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UPLOAD File 000-11412

UPLOAD filing

Filing date
01 Feb 2024
Reporting date
Not listed
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ARS File 000-11412

ARS

Filing date
24 Jan 2024
Reporting date
30 Sep 2023
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SC 13G/A File 005-39482

SC 13G/A filing

Filing date
23 Jan 2024
Reporting date
Not listed
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DEF 14A File 000-11412

DEF 14A

Filing date
19 Jan 2024
Reporting date
06 Mar 2024
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4

OWNERSHIP DOCUMENT

Filing date
20 Dec 2023
Reporting date
18 Dec 2023
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4

FORM 4 SUBMISSION

Filing date
19 Dec 2023
Reporting date
18 Dec 2023
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4

FORM 4 SUBMISSION

Filing date
25 Aug 2023
Reporting date
24 Aug 2023
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4

OWNERSHIP DOCUMENT

Filing date
21 Aug 2023
Reporting date
17 Aug 2023
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4

FORM 4 SUBMISSION

Filing date
16 Aug 2023
Reporting date
14 Aug 2023
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4

FORM 4 SUBMISSION

Filing date
16 Aug 2023
Reporting date
14 Aug 2023
SEC evidence
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4

FORM 4 SUBMISSION

Filing date
15 Aug 2023
Reporting date
11 Aug 2023
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