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 76-100 of 672 matching filings.

Per page
25
Current page
4
SC 13G/A File 005-39482

SC 13G/A filing

Filing date
06 Sep 2024
Reporting date
Not listed
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4

4

Filing date
16 Aug 2024
Reporting date
14 Aug 2024
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4

OWNERSHIP DOCUMENT

Filing date
13 Aug 2024
Reporting date
09 Aug 2024
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4

4

Filing date
09 Aug 2024
Reporting date
08 Aug 2024
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3

3

Filing date
09 Aug 2024
Reporting date
08 Aug 2024
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SD File 000-11412

SD

Filing date
29 May 2024
Reporting date
Not listed
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4

OWNERSHIP DOCUMENT

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

SC 13D/A

Filing date
14 May 2024
Reporting date
Not listed
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4

4

Filing date
18 Mar 2024
Reporting date
15 Mar 2024
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4

4

Filing date
13 Mar 2024
Reporting date
11 Mar 2024
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4

4

Filing date
08 Mar 2024
Reporting date
06 Mar 2024
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4

4

Filing date
08 Mar 2024
Reporting date
06 Mar 2024
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4

OWNERSHIP DOCUMENT

Filing date
08 Mar 2024
Reporting date
06 Mar 2024
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4

4

Filing date
04 Mar 2024
Reporting date
29 Feb 2024
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4

4

Filing date
04 Mar 2024
Reporting date
01 Mar 2024
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4

4

Filing date
04 Mar 2024
Reporting date
01 Mar 2024
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4

OWNERSHIP DOCUMENT

Filing date
04 Mar 2024
Reporting date
01 Mar 2024
SEC evidence
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