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 501-525 of 609 matching filings.

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25

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21

4

PRIMARY DOCUMENT

Filing date: 13 Nov 2012
Reporting date: 09 Nov 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 001-13738

FORM 10-Q

Filing date: 09 Nov 2012
Reporting date: 30 Sep 2012
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-13738

FORM 8-K

Filing date: 06 Nov 2012
Reporting date: 05 Nov 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A File 005-39145

SCHEDULE 13G AMENDMENT FILING

Filing date: 09 Oct 2012
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 001-13738

FORM 10-Q

Filing date: 14 Aug 2012
Reporting date: 30 Jun 2012
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-13738

CURRENT REPORT

Filing date: 07 Aug 2012
Reporting date: 07 Aug 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 19 Jun 2012
Reporting date: 15 Jun 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A File 005-39145

SC 13G/A

Filing date: 08 Jun 2012
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 29 May 2012
Reporting date: 24 May 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 29 May 2012
Reporting date: 24 May 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 29 May 2012
Reporting date: 24 May 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 24 May 2012
Reporting date: 22 May 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 24 May 2012
Reporting date: 22 May 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 24 May 2012
Reporting date: 22 May 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 24 May 2012
Reporting date: 22 May 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 24 May 2012
Reporting date: 22 May 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 24 May 2012
Reporting date: 22 May 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 24 May 2012
Reporting date: 22 May 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-13738

FORM 8-K

Filing date: 23 May 2012
Reporting date: 22 May 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 17 May 2012
Reporting date: 15 May 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 17 May 2012
Reporting date: 15 May 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 001-13738

QUARTERLY REPORT

Filing date: 10 May 2012
Reporting date: 31 Mar 2012
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-13738

FORM 8-K

Filing date: 08 May 2012
Reporting date: 08 May 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 10 Apr 2012
Reporting date: 07 Apr 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 10 Apr 2012
Reporting date: 07 Apr 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

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