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 476-500 of 609 matching filings.

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25

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20

4

PRIMARY DOCUMENT

Filing date: 30 May 2013
Reporting date: 28 May 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 29 May 2013
Reporting date: 28 May 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 29 May 2013
Reporting date: 28 May 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 29 May 2013
Reporting date: 28 May 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 28 May 2013
Reporting date: 23 May 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 28 May 2013
Reporting date: 23 May 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 28 May 2013
Reporting date: 23 May 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 28 May 2013
Reporting date: 23 May 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 28 May 2013
Reporting date: 23 May 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 28 May 2013
Reporting date: 23 May 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 28 May 2013
Reporting date: 23 May 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 001-13738

QUARTERLY REPORT

Filing date: 10 May 2013
Reporting date: 31 Mar 2013
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 2013
Reporting date: 07 May 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 24 Apr 2013
Reporting date: 22 Apr 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 24 Apr 2013
Reporting date: 22 Apr 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 24 Apr 2013
Reporting date: 22 Apr 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

DEF 14A File 001-13738

SCHEDULE 14A

Filing date: 08 Apr 2013
Reporting date: 23 May 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

ARS File 001-13738

AUTO-GENERATED PAPER DOCUMENT

Filing date: 05 Apr 2013
Reporting date: 31 Dec 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 18 Mar 2013
Reporting date: 14 Mar 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-13738

FORM 8-K

Filing date: 08 Mar 2013
Reporting date: 06 Mar 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

10-K File 001-13738

FORM 10-K

Filing date: 08 Mar 2013
Reporting date: 31 Dec 2012
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-13738

FORM 8-K

Filing date: 26 Feb 2013
Reporting date: 25 Feb 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A File 005-39145

SCHEDULE 13G HOLDINGS REPORT AMENDMENT

Filing date: 13 Feb 2013
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A File 005-39145

2012 13G

Filing date: 12 Feb 2013
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 29 Nov 2012
Reporting date: 27 Nov 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

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