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 976 SEC EDGAR filings since 15 May 1995

SEC filing history

Showing 51-75 of 681 matching filings.

Per page
25
Current page
3
4

OWNERSHIP DOCUMENT

Filing date
16 May 2025
Reporting date
14 May 2025
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4

4

Filing date
16 May 2025
Reporting date
14 May 2025
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SCHEDULE 13G/A File 005-39482

SCHEDULE 13G/A filing

Filing date
04 Apr 2025
Reporting date
Not listed
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4

4

Filing date
21 Mar 2025
Reporting date
19 Mar 2025
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S-8 File 333-285905

S-8

Filing date
19 Mar 2025
Reporting date
Not listed
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4

OWNERSHIP DOCUMENT

Filing date
12 Mar 2025
Reporting date
10 Mar 2025
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4

4

Filing date
07 Mar 2025
Reporting date
05 Mar 2025
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4

4

Filing date
07 Mar 2025
Reporting date
05 Mar 2025
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4

4

Filing date
07 Mar 2025
Reporting date
05 Mar 2025
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4

OWNERSHIP DOCUMENT

Filing date
07 Mar 2025
Reporting date
06 Mar 2025
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4

OWNERSHIP DOCUMENT

Filing date
05 Mar 2025
Reporting date
03 Mar 2025
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DEFA14A File 000-11412

DEFA14A

Filing date
24 Feb 2025
Reporting date
Not listed
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SCHEDULE 13D/A File 005-39482

SCHEDULE 13D/A filing

Filing date
18 Feb 2025
Reporting date
Not listed
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4

OWNERSHIP DOCUMENT

Filing date
18 Feb 2025
Reporting date
13 Feb 2025
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SCHEDULE 13G/A File 005-39482

SCHEDULE 13G/A filing

Filing date
12 Feb 2025
Reporting date
Not listed
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SCHEDULE 13G/A File 005-39482

SCHEDULE 13G/A filing

Filing date
11 Feb 2025
Reporting date
Not listed
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4

OWNERSHIP DOCUMENT

Filing date
10 Feb 2025
Reporting date
07 Feb 2025
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3

3

Filing date
03 Feb 2025
Reporting date
03 Feb 2025
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SCHEDULE 13G/A File 005-39482

SCHEDULE 13G/A filing

Filing date
28 Jan 2025
Reporting date
Not listed
SEC evidence
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