AMTECH SYSTEMS INC reports

Company location: Tempe, AZ
Fiscal year end: 30 September

AMTECH SYSTEMS INC has filed 967 SEC EDGAR filings since 15 May 1995

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SEC filing history

Showing 176-200 of 672 matching filings.

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25

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8

S-8 File 333-263875

S-8

Filing date: 25 Mar 2022
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 04 Mar 2022
Reporting date: 02 Mar 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 04 Mar 2022
Reporting date: 02 Mar 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 04 Mar 2022
Reporting date: 02 Mar 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 000-11412

8-K

Filing date: 04 Mar 2022
Reporting date: 02 Mar 2022
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 04 Mar 2022
Reporting date: 02 Mar 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13D/A File 005-39482

SC 13D/A

Filing date: 24 Feb 2022
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 24 Feb 2022
Reporting date: 22 Feb 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 000-11412

10-Q

Filing date: 14 Feb 2022
Reporting date: 31 Dec 2021
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 000-11412

8-K

Filing date: 14 Feb 2022
Reporting date: 10 Feb 2022
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

SC 13G/A File 005-39482

ASYS 2021 SC13GA

Filing date: 14 Feb 2022
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A File 005-39482

SCHEDULE 13G/A

Filing date: 09 Feb 2022
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A File 005-39482

SEC SCHEDULE 13G

Filing date: 08 Feb 2022
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

DEF 14A File 000-11412

DEF 14A

Filing date: 18 Jan 2022
Reporting date: 02 Mar 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A File 005-39482

SC 13G/A filing

Filing date: 14 Jan 2022
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 24 Nov 2021
Reporting date: 22 Nov 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 000-11412

8-K

Filing date: 19 Nov 2021
Reporting date: 16 Nov 2021
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 18 Nov 2021
Reporting date: 16 Nov 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 18 Nov 2021
Reporting date: 16 Nov 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

10-K File 000-11412

10-K

Filing date: 17 Nov 2021
Reporting date: 30 Sep 2021
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 000-11412

8-K

Filing date: 17 Nov 2021
Reporting date: 17 Nov 2021
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 10 Sep 2021
Reporting date: 08 Sep 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 07 Sep 2021
Reporting date: 03 Sep 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 13 Aug 2021
Reporting date: 12 Aug 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

3

FORM 3 SUBMISSION

Filing date: 13 Aug 2021
Reporting date: 12 Aug 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

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