PSYCHEMEDICS CORP reports

Company location: Acton, MA
Fiscal year end: 31 December

PSYCHEMEDICS CORP has filed 877 SEC EDGAR filings since 11 Aug 1995

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SEC filing history

Showing 276-300 of 609 matching filings.

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25

Current page

12

4

PRIMARY DOCUMENT

Filing date: 07 May 2018
Reporting date: 03 May 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 07 May 2018
Reporting date: 03 May 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 07 May 2018
Reporting date: 03 May 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 07 May 2018
Reporting date: 03 May 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 07 May 2018
Reporting date: 03 May 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-13738

FORM 8-K

Filing date: 07 May 2018
Reporting date: 03 May 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

3

PRIMARY DOCUMENT

Filing date: 03 May 2018
Reporting date: 02 May 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 02 May 2018
Reporting date: 30 Apr 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 02 May 2018
Reporting date: 30 Apr 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 02 May 2018
Reporting date: 30 Apr 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 001-13738

FORM 10-Q

Filing date: 26 Apr 2018
Reporting date: 31 Mar 2018
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-13738

FORM 8-K

Filing date: 24 Apr 2018
Reporting date: 24 Apr 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

DEF 14A File 001-13738

DEF14A

Filing date: 21 Mar 2018
Reporting date: 03 May 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

10-K File 001-13738

FORM 10-K

Filing date: 16 Mar 2018
Reporting date: 31 Dec 2017
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-13738

FORM 8-K

Filing date: 07 Mar 2018
Reporting date: 07 Mar 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-13738

FORM 8-K

Filing date: 22 Feb 2018
Reporting date: 20 Feb 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A File 005-39145

SC 13G/A filing

Filing date: 14 Feb 2018
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-13738

FORM 8-K

Filing date: 26 Jan 2018
Reporting date: 24 Jan 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 15 Dec 2017
Reporting date: 08 Dec 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 15 Nov 2017
Reporting date: 14 Nov 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-13738

8-K

Filing date: 13 Nov 2017
Reporting date: 07 Nov 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 001-13738

FORM 10-Q

Filing date: 26 Oct 2017
Reporting date: 30 Sep 2017
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-13738

FORM 8-K

Filing date: 24 Oct 2017
Reporting date: 24 Oct 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 06 Sep 2017
Reporting date: 01 Sep 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 001-13738

FORM 10-Q

Filing date: 04 Aug 2017
Reporting date: 30 Jun 2017
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

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