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 201-225 of 672 matching filings.

Per page
25
Current page
9
4

OWNERSHIP DOCUMENT

Filing date
12 Aug 2021
Reporting date
11 Aug 2021
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4

FORM 4

Filing date
10 Aug 2021
Reporting date
06 Aug 2021
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SD File 000-11412

SD

Filing date
21 May 2021
Reporting date
Not listed
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4

FORM 4 SUBMISSION

Filing date
25 Mar 2021
Reporting date
23 Mar 2021
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4

OWNERSHIP DOCUMENT

Filing date
25 Mar 2021
Reporting date
23 Mar 2021
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4

FORM 4 SUBMISSION

Filing date
25 Mar 2021
Reporting date
23 Mar 2021
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SC 13D/A File 005-39482

SC 13D/A filing

Filing date
18 Feb 2021
Reporting date
Not listed
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SC 13G/A File 005-39482

SEC SCHEDULE 13G

Filing date
12 Feb 2021
Reporting date
Not listed
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SC 13G/A File 005-39482

ASYS 13GA FILING

Filing date
10 Feb 2021
Reporting date
Not listed
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SC 13G File 005-39482

SCHEDULE 13G

Filing date
10 Feb 2021
Reporting date
Not listed
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DEF 14A File 000-11412

DEF 14A

Filing date
28 Jan 2021
Reporting date
23 Mar 2021
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4

FORM 4 SUBMISSION

Filing date
04 Dec 2020
Reporting date
03 Dec 2020
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4

FORM 4 SUBMISSION

Filing date
19 Nov 2020
Reporting date
17 Nov 2020
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4

FORM 4 SUBMISSION

Filing date
19 Nov 2020
Reporting date
17 Nov 2020
SEC evidence
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