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 26-50 of 672 matching filings.

Per page
25
Current page
2
SCHEDULE 13G/A File 005-39482

SCHEDULE 13G/A filing

Filing date
13 Feb 2026
Reporting date
Not listed
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ARS File 000-11412

ARS

Filing date
23 Jan 2026
Reporting date
30 Sep 2025
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DEF 14A File 000-11412

DEF 14A

Filing date
23 Jan 2026
Reporting date
04 Mar 2026
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SCHEDULE 13G/A File 005-39482

SCHEDULE 13G/A filing

Filing date
21 Jan 2026
Reporting date
Not listed
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4

OWNERSHIP DOCUMENT

Filing date
03 Sep 2025
Reporting date
02 Sep 2025
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4

4

Filing date
15 Aug 2025
Reporting date
08 Aug 2025
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SD File 000-11412

SD

Filing date
30 May 2025
Reporting date
Not listed
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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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