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 151-175 of 672 matching filings.

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25

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7

SC 13G/A File 005-39482

SC 13G/A filing

Filing date: 23 Jan 2023
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

DEF 14A File 000-11412

DEF 14A

Filing date: 20 Jan 2023
Reporting date: 01 Mar 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 18 Jan 2023
Reporting date: 13 Jan 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

3

FORM 3 SUBMISSION

Filing date: 18 Jan 2023
Reporting date: 13 Jan 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 000-11412

8-K

Filing date: 18 Jan 2023
Reporting date: 13 Jan 2023
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 000-11412

8-K

Filing date: 17 Jan 2023
Reporting date: 17 Jan 2023
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 05 Dec 2022
Reporting date: 01 Dec 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 05 Dec 2022
Reporting date: 01 Dec 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 30 Nov 2022
Reporting date: 28 Nov 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 30 Nov 2022
Reporting date: 28 Nov 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

10-K File 000-11412

10-K

Filing date: 30 Nov 2022
Reporting date: 30 Sep 2022
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 000-11412

8-K

Filing date: 30 Nov 2022
Reporting date: 30 Nov 2022
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 14 Oct 2022
Reporting date: 13 Oct 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 13 Sep 2022
Reporting date: 09 Sep 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 06 Sep 2022
Reporting date: 01 Sep 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 000-11412

8-K

Filing date: 26 Aug 2022
Reporting date: 24 Aug 2022
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 25 Aug 2022
Reporting date: 23 Aug 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 25 Aug 2022
Reporting date: 24 Aug 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 000-11412

10-Q

Filing date: 15 Aug 2022
Reporting date: 30 Jun 2022
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 000-11412

8-K

Filing date: 15 Aug 2022
Reporting date: 09 Aug 2022
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

SD File 000-11412

SD

Filing date: 26 May 2022
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 17 May 2022
Reporting date: 13 May 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 000-11412

10-Q

Filing date: 11 May 2022
Reporting date: 31 Mar 2022
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 000-11412

8-K

Filing date: 11 May 2022
Reporting date: 11 May 2022
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 000-11412

8-K

Filing date: 28 Apr 2022
Reporting date: 22 Apr 2022
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

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