PSYCHEMEDICS CORP SEC EDGAR Filings (CIK 0000806517)

SEC EDGAR filings, ownership reports, and insider transactions for PSYCHEMEDICS CORP.

Symbol
PMDI on OTC
Industry
Services Medical Laboratories (Industrial Applications And Services)
Business address
125 Nagog Park, Acton, MA, 01720
State of incorporation
DE
Fiscal year end
31 December
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PSYCHEMEDICS CORP has filed 877 SEC EDGAR filings since 11 Aug 1995

Latest Filings

Recent SEC filings for PSYCHEMEDICS CORP including 10-K, S-8 POS, 15-12G and more.

Form type Document Filing Description Filing date Reporting date File number(s)
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K FORM 10-K 24 Mar 2025 31 Dec 2024 001-13738
S-8 POS Open S-8 POS document View SEC filing for S-8 POS FORM S-8 POS 19 Mar 2025 033-16101
S-8 POS Open S-8 POS document View SEC filing for S-8 POS FORM S-8 POS 19 Mar 2025 333-174531
S-8 POS Open S-8 POS document View SEC filing for S-8 POS FORM S-8 POS 19 Mar 2025 333-211745
S-8 POS Open S-8 POS document View SEC filing for S-8 POS FORM S-8 POS 19 Mar 2025 333-233238
S-8 POS Open S-8 POS document View SEC filing for S-8 POS FORM S-8 POS 19 Mar 2025 333-256467
S-8 POS Open S-8 POS document View SEC filing for S-8 POS FORM S-8 POS 19 Mar 2025 333-134974
S-8 POS Open S-8 POS document View SEC filing for S-8 POS FORM S-8 POS 19 Mar 2025 333-274156
15-12G Open 15-12G document View SEC filing for 15-12G FORM 15-12G 02 Jan 2025 001-13738
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 17 Dec 2024 13 Dec 2024
25 Open 25 document View SEC filing for 25 FORM 25 13 Dec 2024 001-13738
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 12 Dec 2024 10 Dec 2024
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A 12 Dec 2024 005-39145
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 12 Dec 2024 10 Dec 2024
SC 13E3/A Open SC 13E3/A document View SEC filing for SC 13E3/A FORM SC 13E3/A 10 Dec 2024 005-39145
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 10 Dec 2024 10 Dec 2024 001-13738
3 Open 3 document View SEC filing for 3 OWNERSHIP DOCUMENT 10 Dec 2024 04 Dec 2024
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 06 Dec 2024 005-39145
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Dec 2024 03 Dec 2024
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A 05 Dec 2024 005-39145
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 03 Dec 2024 03 Dec 2024 001-13738
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 25 Nov 2024 25 Nov 2024 001-13738
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA 14A 18 Nov 2024 001-13738
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q 12 Nov 2024 30 Sep 2024 001-13738
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 12 Nov 2024 12 Nov 2024 001-13738
ARS Open ARS document View SEC filing for ARS ARS 08 Nov 2024 31 Dec 2023 001-13738
SC 13E3/A Open SC 13E3/A document View SEC filing for SC 13E3/A SC 13E3/A 18 Oct 2024 005-39145
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 18 Oct 2024 25 Nov 2024 001-13738
CORRESP Open CORRESP document View SEC filing for CORRESP 16 Oct 2024
SC 13E3/A Open SC 13E3/A document View SEC filing for SC 13E3/A SC 13E3/A 16 Oct 2024 005-39145
PRER14A Open PRER14A document View SEC filing for PRER14A FORM PRER14A 16 Oct 2024 001-13738
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 11 Oct 2024 005-39145
CORRESP Open CORRESP document View SEC filing for CORRESP 04 Oct 2024
SC 13E3/A Open SC 13E3/A document View SEC filing for SC 13E3/A SC 13E3/A 04 Oct 2024 005-39145
PRER14A Open PRER14A document View SEC filing for PRER14A FORM PRER14A 04 Oct 2024 001-13738
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 26 Sep 2024 005-39145
SC 13E3 Open SC 13E3 document View SEC filing for SC 13E3 SC 13E3 03 Sep 2024 005-39145
PRE 14A Open PRE 14A document View SEC filing for PRE 14A PRELIMINARY PROXY STATEMENT 03 Sep 2024 03 Sep 2024 001-13738
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q 13 Aug 2024 30 Jun 2024 001-13738
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 13 Aug 2024 13 Aug 2024 001-13738
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A 13 Aug 2024 005-39145
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 12 Aug 2024 001-13738
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 12 Aug 2024 12 Aug 2024 001-13738
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 12 Jun 2024 06 Jun 2024 001-13738
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 03 Jun 2024 28 May 2024 001-13738
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q 14 May 2024 31 Mar 2024 001-13738
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 14 May 2024 14 May 2024 001-13738
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K FORM 10-K 28 Mar 2024 31 Dec 2023 001-13738
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 28 Mar 2024 28 Mar 2024 001-13738
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 13 Feb 2024 005-39145
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 02 Feb 2024 005-39145
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 26 Jan 2024 22 Jan 2024 001-13738
4 Open 4 document View SEC filing for 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 24 Jan 2024 22 Jan 2024
3 Open 3 document View SEC filing for 3 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES 19 Dec 2023 27 Nov 2023
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 14 Dec 2023 005-39145
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 27 Nov 2023 27 Nov 2023 001-13738
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q 13 Nov 2023 30 Sep 2023 001-13738
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 09 Nov 2023 09 Nov 2023 001-13738
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 08 Nov 2023 02 Nov 2023 001-13738
4 Open 4 document View SEC filing for 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 25 Sep 2023 21 Sep 2023
3 Open 3 document View SEC filing for 3 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES 25 Sep 2023 18 Sep 2023
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 22 Sep 2023 20 Sep 2023 001-13738
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 31 Aug 2023 28 Aug 2023 001-13738
4 Open 4 document View SEC filing for 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 22 Aug 2023 17 Aug 2023
S-8 Open S-8 document View SEC filing for S-8 FORM S-8 22 Aug 2023 333-274156
4 Open 4 document View SEC filing for 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 21 Aug 2023 17 Aug 2023
4 Open 4 document View SEC filing for 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 21 Aug 2023 17 Aug 2023
4 Open 4 document View SEC filing for 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 21 Aug 2023 17 Aug 2023
4 Open 4 document View SEC filing for 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 21 Aug 2023 17 Aug 2023
4 Open 4 document View SEC filing for 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 21 Aug 2023 17 Aug 2023
4 Open 4 document View SEC filing for 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 21 Aug 2023 17 Aug 2023
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 21 Aug 2023 17 Aug 2023 001-13738
144 Open 144 document View SEC filing for 144 17 Aug 2023 001-13738
3 Open 3 document View SEC filing for 3 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES 17 Aug 2023 17 Aug 2023
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q 14 Aug 2023 30 Jun 2023 001-13738
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 11 Aug 2023 11 Aug 2023 001-13738
3 Open 3 document View SEC filing for 3 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES 31 Jul 2023 21 Jul 2023
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 21 Jul 2023 17 Jul 2023 001-13738
ARS Open ARS document View SEC filing for ARS ARS 21 Jul 2023 31 Dec 2022 001-13738
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEFINITIVE PROXY STATEMENT 21 Jul 2023 17 Aug 2023 001-13738
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 14 Jul 2023 12 Jul 2023 001-13738
4 Open 4 document View SEC filing for 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 24 May 2023 22 May 2023
4 Open 4 document View SEC filing for 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 24 May 2023 22 May 2023
4 Open 4 document View SEC filing for 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 24 May 2023 22 May 2023
4 Open 4 document View SEC filing for 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 16 May 2023 15 May 2023
4 Open 4 document View SEC filing for 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 16 May 2023 15 May 2023
4 Open 4 document View SEC filing for 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 16 May 2023 15 May 2023
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q 11 May 2023 31 Mar 2023 001-13738
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 09 May 2023 09 May 2023 001-13738
10-K/A Open 10-K/A document | Open XBRL data View SEC filing for 10-K/A FORM 10-K/A 30 Mar 2023 31 Dec 2022 001-13738
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K FORM 10-K 27 Mar 2023 31 Dec 2022 001-13738
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 21 Mar 2023 21 Mar 2023 001-13738
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 16 Feb 2023 13 Feb 2023 001-13738
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A FORM SC 13G/A 14 Feb 2023 005-39145
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 13 Feb 2023 005-39145
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 30 Dec 2022 30 Dec 2022 001-13738
4 Open 4 document View SEC filing for 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 20 Dec 2022 16 Dec 2022
4 Open 4 document View SEC filing for 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 15 Nov 2022 11 Nov 2022
4 Open 4 document View SEC filing for 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 15 Nov 2022 11 Nov 2022
4 Open 4 document View SEC filing for 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 15 Nov 2022 11 Nov 2022
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q 10 Nov 2022 30 Sep 2022 001-13738
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 09 Nov 2022 09 Nov 2022 001-13738
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 08 Nov 2022 08 Nov 2022
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 17 Aug 2022 12 Aug 2022 001-13738
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 16 Aug 2022 12 Aug 2022
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 16 Aug 2022 12 Aug 2022
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q 10 Aug 2022 30 Jun 2022 001-13738
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 09 Aug 2022 09 Aug 2022 001-13738
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 25 Jul 2022 19 Jul 2022 001-13738
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 06 Jul 2022 12 Aug 2022 001-13738
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A 10 Jun 2022 005-39145
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 09 Jun 2022 09 Jun 2022 001-13738
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 24 May 2022 20 May 2022
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 24 May 2022 20 May 2022
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 24 May 2022 20 May 2022
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 24 May 2022 20 May 2022
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 24 May 2022 20 May 2022
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 24 May 2022 20 May 2022
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 24 May 2022 20 May 2022
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 24 May 2022 20 May 2022
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 May 2022 13 May 2022
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 May 2022 13 May 2022
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 May 2022 13 May 2022
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 May 2022 13 May 2022
3 Open 3 document View SEC filing for 3 OWNERSHIP DOCUMENT 16 May 2022 06 May 2022
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q 11 May 2022 31 Mar 2022 001-13738
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 10 May 2022 10 May 2022 001-13738
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 5 TO THE SCHEDULE 13D 10 May 2022 005-39145
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 21 Apr 2022 19 Apr 2022
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 4 TO THE SCHEDULE 13D 21 Apr 2022 005-39145
4 Open 4 document View SEC filing for 4 11 Apr 2022 07 Apr 2022
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 07 Apr 2022 05 Apr 2022
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 07 Apr 2022 04 Apr 2022
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 07 Apr 2022 05 Apr 2022
4/A Open 4/A document View SEC filing for 4/A 31 Mar 2022 30 Mar 2022
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K FORM 10-K 30 Mar 2022 31 Dec 2021 001-13738
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 29 Mar 2022 29 Mar 2022 001-13738
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 22 Mar 2022 18 Mar 2022 001-13738
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 18 Mar 2022 16 Mar 2022
3 Open 3 document View SEC filing for 3 OWNERSHIP DOCUMENT 18 Mar 2022 16 Mar 2022
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 10 Mar 2022 10 Mar 2022 001-13738
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 14 Feb 2022 005-39145
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 14 Feb 2022 005-39145
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 11 Feb 2022 005-39145
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 03 Feb 2022 02 Feb 2022 001-13738
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 27 Jan 2022 25 Jan 2022
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 3 TO THE SCHEDULE 13D 26 Jan 2022 005-39145
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 10 Dec 2021 06 Dec 2021 001-13738
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 16 Nov 2021 12 Nov 2021
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 16 Nov 2021 12 Nov 2021
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 16 Nov 2021 12 Nov 2021
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q 15 Nov 2021 30 Sep 2021 001-13738
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 12 Nov 2021 12 Nov 2021 001-13738
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 23 Sep 2021 23 Sep 2021 001-13738
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 2 TO THE SCHEDULE 13D 23 Sep 2021 005-39145
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 1 TO THE SCHEDULE 13D 19 Aug 2021 005-39145
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q 12 Aug 2021 30 Jun 2021 001-13738
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 10 Aug 2021 10 Aug 2021 001-13738
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 20 Jul 2021 15 Jul 2021 001-13738
S-8 Open S-8 document View SEC filing for S-8 FORM S-8 25 May 2021 333-256467
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 17 May 2021 13 May 2021 001-13738
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 14 May 2021 13 May 2021
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 14 May 2021 13 May 2021
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 14 May 2021 13 May 2021
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 14 May 2021 13 May 2021
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 14 May 2021 13 May 2021
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 14 May 2021 13 May 2021
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 14 May 2021 13 May 2021
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 14 May 2021 13 May 2021
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q 13 May 2021 31 Mar 2021 001-13738
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 10 May 2021 10 May 2021 001-13738
10-K/A Open 10-K/A document View SEC filing for 10-K/A FORM 10-K/A 09 Apr 2021 31 Dec 2020 001-13738
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 06 Apr 2021 13 May 2021 001-13738
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K FORM 10-K 26 Mar 2021 31 Dec 2020 001-13738
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 23 Mar 2021 19 Mar 2021 001-13738
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 18 Mar 2021 16 Mar 2021
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 18 Mar 2021 16 Mar 2021
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 17 Mar 2021 16 Mar 2021 001-13738
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A AMENDED 13G FOR PSYCHEMEDICS CORPORATION 16 Feb 2021 005-39145
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 12 Feb 2021 005-39145
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 11 Feb 2021 005-39145
SC 13G Open SC 13G document View SEC filing for SC 13G FORM SC 13G 02 Feb 2021 005-39145
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 28 Jan 2021 25 Jan 2021
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 28 Jan 2021 25 Jan 2021
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 27 Jan 2021 21 Jan 2021 001-13738
SC 13D Open SC 13D document View SEC filing for SC 13D 30 Dec 2020 005-39145
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 11 Dec 2020 11 Dec 2020
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 08 Dec 2020 08 Dec 2020
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 20 Nov 2020 18 Nov 2020
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 Nov 2020 13 Nov 2020
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 16 Nov 2020 16 Nov 2020 001-13738
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 13 Nov 2020 13 Nov 2020
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 13 Nov 2020 11 Nov 2020
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 13 Nov 2020 11 Nov 2020
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 13 Nov 2020 11 Nov 2020
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 13 Nov 2020 11 Nov 2020
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 13 Nov 2020 11 Nov 2020
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 13 Nov 2020 11 Nov 2020
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 13 Nov 2020 11 Nov 2020
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 12 Nov 2020 12 Nov 2020
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 12 Nov 2020 11 Nov 2020
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q 10 Nov 2020 30 Sep 2020 001-13738
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 09 Nov 2020 09 Nov 2020 001-13738
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 09 Nov 2020 04 Nov 2020 001-13738
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 10 Sep 2020 03 Sep 2020 001-13738
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q 13 Aug 2020 30 Jun 2020 001-13738
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 12 Aug 2020 12 Aug 2020 001-13738
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Jun 2020 01 Jun 2020
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 20 May 2020 14 May 2020 001-13738
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q 15 May 2020 31 Mar 2020 001-13738
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 13 May 2020 13 May 2020 001-13738
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 07 May 2020 01 May 2020 001-13738
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 06 May 2020 04 May 2020
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 28 Apr 2020 001-13738
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 28 Apr 2020 001-13738
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 27 Mar 2020 14 May 2020 001-13738
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A TIETON CAPITAL MANAGEMENT 13G/A 03 Mar 2020 005-39145
10-K/A Open 10-K/A document View SEC filing for 10-K/A FORM 10-K/A 27 Feb 2020 31 Dec 2019 001-13738
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K FORM 10-K 25 Feb 2020 31 Dec 2019 001-13738
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 14 Feb 2020 005-39145
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A AMENDED 13G FOR PSYCHEMEDICS CORPORATION 14 Feb 2020 005-39145
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 13 Feb 2020 005-39145
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 11 Feb 2020 11 Feb 2020 001-13738
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 04 Feb 2020 30 Jan 2020 001-13738
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SCHEDULE 13G/A 03 Feb 2020 005-39145
SC 13G Open SC 13G document View SEC filing for SC 13G TIETON CAPITAL MANAGEMENT 13G/A 27 Jan 2020 005-39145
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 13 Dec 2019 13 Dec 2019
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 05 Dec 2019 03 Dec 2019 001-13738
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q 24 Oct 2019 30 Sep 2019 001-13738
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 22 Oct 2019 22 Oct 2019 001-13738
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 19 Sep 2019 19 Sep 2019 001-13738
S-8 Open S-8 document View SEC filing for S-8 S-8 13 Aug 2019 333-233238
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q 24 Jul 2019 30 Jun 2019 001-13738
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 23 Jul 2019 23 Jul 2019 001-13738
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 Jun 2019 14 Jun 2019
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 14 Jun 2019 12 Jun 2019
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 07 Jun 2019 05 Jun 2019
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 09 May 2019 03 May 2019 001-13738
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 07 May 2019 03 May 2019
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 07 May 2019 03 May 2019
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 07 May 2019 03 May 2019
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 07 May 2019 03 May 2019
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 07 May 2019 03 May 2019
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 07 May 2019 03 May 2019
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 07 May 2019 03 May 2019
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 07 May 2019 03 May 2019
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 May 2019 30 Apr 2019
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 May 2019 30 Apr 2019
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 May 2019 30 Apr 2019
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q 25 Apr 2019 31 Mar 2019 001-13738
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 23 Apr 2019 23 Apr 2019 001-13738
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 08 Apr 2019 001-13738
DEFA14A Open DEFA14A document View SEC filing for DEFA14A FORM DEFA14A 25 Mar 2019 001-13738
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 19 Mar 2019 03 May 2019 001-13738
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 13 Mar 2019 11 Mar 2019
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K FORM 10-K 04 Mar 2019 31 Dec 2018 001-13738
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 04 Mar 2019 04 Mar 2019 001-13738
SC 13G Open SC 13G document View SEC filing for SC 13G 14 Feb 2019 005-39145
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 13 Feb 2019 005-39145
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 28 Jan 2019 24 Jan 2019 001-13738
SC 13G Open SC 13G document View SEC filing for SC 13G SCHEDULE 13G HOLDINGS REPORT 25 Jan 2019 005-39145
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 14 Dec 2018 11 Dec 2018
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q 25 Oct 2018 30 Sep 2018 001-13738
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 23 Oct 2018 23 Oct 2018 001-13738
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 10 Sep 2018 06 Sep 2018
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q 27 Jul 2018 30 Jun 2018 001-13738
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 25 Jul 2018 24 Jul 2018 001-13738
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 23 May 2018 21 May 2018
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 10 May 2018 08 May 2018
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 10 May 2018 08 May 2018
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 10 May 2018 08 May 2018
4/A Open 4/A document View SEC filing for 4/A PRIMARY DOCUMENT 10 May 2018 30 Apr 2018
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 07 May 2018 03 May 2018
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 07 May 2018 03 May 2018
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 07 May 2018 03 May 2018
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 07 May 2018 03 May 2018
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 07 May 2018 03 May 2018
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 07 May 2018 03 May 2018
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 07 May 2018 03 May 2018
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 07 May 2018 03 May 2018
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 07 May 2018 03 May 2018 001-13738
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 03 May 2018 02 May 2018
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 May 2018 30 Apr 2018
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 May 2018 30 Apr 2018
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 May 2018 30 Apr 2018
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q 26 Apr 2018 31 Mar 2018 001-13738
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 24 Apr 2018 24 Apr 2018 001-13738
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF14A 21 Mar 2018 03 May 2018 001-13738
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K FORM 10-K 16 Mar 2018 31 Dec 2017 001-13738
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 07 Mar 2018 07 Mar 2018 001-13738
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 22 Feb 2018 20 Feb 2018 001-13738
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 14 Feb 2018 005-39145
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 26 Jan 2018 24 Jan 2018 001-13738
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 15 Dec 2017 08 Dec 2017
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 15 Nov 2017 14 Nov 2017
8-K Open 8-K document View SEC filing for 8-K 8-K 13 Nov 2017 07 Nov 2017 001-13738
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q 26 Oct 2017 30 Sep 2017 001-13738
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 24 Oct 2017 24 Oct 2017 001-13738
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 06 Sep 2017 01 Sep 2017
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q 04 Aug 2017 30 Jun 2017 001-13738
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 03 Aug 2017 02 Aug 2017 001-13738
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 13 Jul 2017 13 Jun 2017 001-13738
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A TIETON CAPITAL MANAGEMENT 13G/A 01 Jun 2017 005-39145
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 25 May 2017 23 May 2017
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 25 May 2017 23 May 2017
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 25 May 2017 23 May 2017
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 25 May 2017 23 May 2017
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 15 May 2017 10 May 2017
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 15 May 2017 12 May 2017
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 09 May 2017 08 May 2017
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 09 May 2017 08 May 2017
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 09 May 2017 08 May 2017
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 09 May 2017 08 May 2017
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 May 2017 04 May 2017
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 May 2017 04 May 2017
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 May 2017 04 May 2017
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 May 2017 04 May 2017
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 May 2017 04 May 2017
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 May 2017 04 May 2017
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 May 2017 04 May 2017
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 May 2017 04 May 2017
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 05 May 2017 04 May 2017 001-13738
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 May 2017 01 May 2017
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 May 2017 01 May 2017
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 May 2017 01 May 2017
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 May 2017 01 May 2017
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 02 May 2017 31 Mar 2017 001-13738
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 25 Apr 2017 25 Apr 2017 001-13738
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 30 Mar 2017 04 May 2017 001-13738
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 13 Mar 2017 09 Mar 2017
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K FORM 10-K 07 Mar 2017 31 Dec 2016 001-13738
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 13G/A 14 Feb 2017 005-39145
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 06 Feb 2017 06 Feb 2017 001-13738
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 01 Feb 2017 26 Jan 2017 001-13738
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A TIETON CAPITAL MANAGEMENT 13G/A 24 Jan 2017 005-39145
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 15 Dec 2016 13 Dec 2016
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 12 Dec 2016 21 Nov 2016
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 21 Nov 2016 18 Nov 2016
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 16 Nov 2016 14 Nov 2016
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 27 Oct 2016 30 Sep 2016 001-13738
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 27 Oct 2016 26 Oct 2016 001-13738
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 28 Jul 2016 30 Jun 2016 001-13738
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 26 Jul 2016 26 Jul 2016 001-13738
S-8 Open S-8 document View SEC filing for S-8 FORM S-8 01 Jun 2016 333-211745
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 24 May 2016 23 May 2016
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 24 May 2016 23 May 2016
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 24 May 2016 23 May 2016
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 24 May 2016 23 May 2016
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 19 May 2016 12 May 2016 001-13738
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 16 May 2016 12 May 2016
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 16 May 2016 12 May 2016
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 16 May 2016 12 May 2016
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 16 May 2016 12 May 2016
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 16 May 2016 12 May 2016
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 16 May 2016 12 May 2016
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 16 May 2016 12 May 2016
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 16 May 2016 12 May 2016
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 11 May 2016 08 May 2016
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 11 May 2016 08 May 2016
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 11 May 2016 08 May 2016
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 11 May 2016 08 May 2016
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 May 2016 02 May 2016
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 May 2016 02 May 2016
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 May 2016 02 May 2016
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 May 2016 02 May 2016
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 28 Apr 2016 31 Mar 2016 001-13738
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 27 Apr 2016 26 Apr 2016 001-13738
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEFINITIVE PROXY STATEMENT 29 Mar 2016 12 May 2016 001-13738
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 24 Mar 2016 21 Mar 2016 001-13738
S-8 POS Open S-8 POS document View SEC filing for S-8 POS S-8 POS 02 Mar 2016 333-39968
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Mar 2016 02 Mar 2016
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 26 Feb 2016 26 Feb 2016
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K FORM 10-K 26 Feb 2016 31 Dec 2015 001-13738
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 24 Feb 2016 22 Feb 2016
4/A Open 4/A document View SEC filing for 4/A PRIMARY DOCUMENT 23 Feb 2016 19 Feb 2016
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 23 Feb 2016 19 Feb 2016
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 16 Feb 2016 16 Feb 2016
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A AMENDED 13G FOR 12/31/15 PMD 12 Feb 2016 005-39145
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A PSYCHEMEDICS CORPORATION 11 Feb 2016 005-39145
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 10 Feb 2016 10 Feb 2016 001-13738
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 27 Jan 2016 21 Jan 2016 001-13738
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A TIETON CAPITAL MANAGEMENT 13G/A 12 Jan 2016 005-39145
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 22 Dec 2015 21 Dec 2015
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q 29 Oct 2015 30 Sep 2015 001-13738
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 28 Oct 2015 28 Oct 2015 001-13738
8-K Open 8-K document View SEC filing for 8-K 8-K 15 Oct 2015 13 Oct 2015 001-13738
8-K/A Open 8-K/A document View SEC filing for 8-K/A AMENDMENT NO. 1 21 Sep 2015 15 Sep 2015 001-13738
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 Sep 2015 15 Sep 2015
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 Sep 2015 15 Sep 2015
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 Sep 2015 15 Sep 2015
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 Sep 2015 15 Sep 2015
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 17 Sep 2015 15 Sep 2015
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 17 Sep 2015 15 Sep 2015 001-13738
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 14 Sep 2015 10 Sep 2015
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 14 Sep 2015 10 Sep 2015
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 31 Jul 2015 28 Jul 2015 001-13738
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 31 Jul 2015 30 Jun 2015 001-13738
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 28 Jul 2015 28 Jul 2015 001-13738
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 Jun 2015 15 Jun 2015
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 27 May 2015 22 May 2015
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 27 May 2015 22 May 2015
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 27 May 2015 22 May 2015
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 27 May 2015 22 May 2015
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 27 May 2015 22 May 2015
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 27 May 2015 22 May 2015
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 27 May 2015 22 May 2015
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 11 May 2015 08 May 2015
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 11 May 2015 08 May 2015
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 11 May 2015 08 May 2015
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 11 May 2015 08 May 2015
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 05 May 2015 29 Apr 2015 001-13738
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 May 2015 29 Apr 2015
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 May 2015 29 Apr 2015
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 May 2015 29 Apr 2015
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 May 2015 29 Apr 2015
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 May 2015 29 Apr 2015
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 May 2015 29 Apr 2015
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 May 2015 29 Apr 2015
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q 01 May 2015 31 Mar 2015 001-13738
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 27 Apr 2015 27 Apr 2015 001-13738
ARS Open ARS document View SEC filing for ARS AUTO-GENERATED PAPER DOCUMENT 31 Mar 2015 31 Dec 2014 001-13738
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 30 Mar 2015 29 Apr 2015 001-13738
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 27 Feb 2015 24 Feb 2015 001-13738
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K FORM 10-K 27 Feb 2015 31 Dec 2014 001-13738
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A AMENDED 13G FOR PSYCHEMEDICS CORP 13 Feb 2015 005-39145
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 12 Feb 2015 005-39145
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 10 Feb 2015 10 Feb 2015 001-13738
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SCHEDULE 13G HOLDINGS REPORT AMENDMENT 06 Feb 2015 005-39145
SC 13G Open SC 13G document View SEC filing for SC 13G TIETON CAPITAL MANAGEMENT 13G 05 Feb 2015 005-39145
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 26 Jan 2015 22 Jan 2015 001-13738
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 30 Dec 2014 21 Nov 2014
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 31 Oct 2014 30 Sep 2014 001-13738
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 30 Oct 2014 30 Oct 2014 001-13738
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 11 Aug 2014 08 Aug 2014 001-13738
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q 30 Jul 2014 30 Jun 2014 001-13738
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 28 Jul 2014 28 Jul 2014 001-13738
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 16 Jun 2014 13 Jun 2014 001-13738
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 27 May 2014 22 May 2014
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 23 May 2014 22 May 2014 001-13738
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 12 May 2014 08 May 2014
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 12 May 2014 08 May 2014
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 12 May 2014 08 May 2014
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 12 May 2014 08 May 2014
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 12 May 2014 08 May 2014
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 12 May 2014 08 May 2014
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 12 May 2014 08 May 2014
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 12 May 2014 08 May 2014 001-13738
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 07 May 2014 05 May 2014
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 07 May 2014 05 May 2014
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 07 May 2014 05 May 2014
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q 01 May 2014 31 Mar 2014 001-13738
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 29 Apr 2014 29 Apr 2014 001-13738
ARS Open ARS document View SEC filing for ARS AUTO-GENERATED PAPER DOCUMENT 31 Mar 2014 31 Dec 2013 001-13738
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 28 Mar 2014 08 May 2014 001-13738
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 26 Mar 2014 20 Mar 2014 001-13738
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 12 Mar 2014 10 Mar 2014
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K ANNUAL REPORT 28 Feb 2014 31 Dec 2013 001-13738
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 18 Feb 2014 13 Feb 2014
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 13 Feb 2014 11 Feb 2014
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 13 Feb 2014 11 Feb 2014
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 13 Feb 2014 11 Feb 2014
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 13 Feb 2014 005-39145
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SCHEDULE 13G AMENDMENT FILINGS 13 Feb 2014 005-39145
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 12 Feb 2014 10 Feb 2014 001-13738
SC 13G Open SC 13G document View SEC filing for SC 13G 13G FOR PSYCHEMEDICS CORP 11 Feb 2014 005-39145
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 28 Jan 2014 23 Jan 2014 001-13738
8-K/A Open 8-K/A document View SEC filing for 8-K/A AMENDMENT TO FORM 8-K 27 Jan 2014 23 May 2013 001-13738
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SCHEDULE 13G AMENDMENT FILINGS 10 Jan 2014 005-39145
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Dec 2013 15 Nov 2013
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 30 Oct 2013 30 Sep 2013 001-13738
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 28 Oct 2013 28 Oct 2013 001-13738
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Sep 2013 03 Sep 2013
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q 09 Aug 2013 30 Jun 2013 001-13738
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 05 Aug 2013 05 Aug 2013 001-13738
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 03 Jun 2013 23 May 2013 001-13738
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 30 May 2013 28 May 2013
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 29 May 2013 28 May 2013
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 29 May 2013 28 May 2013
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 29 May 2013 28 May 2013
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 28 May 2013 23 May 2013
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 28 May 2013 23 May 2013
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 28 May 2013 23 May 2013
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 28 May 2013 23 May 2013
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 28 May 2013 23 May 2013
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 28 May 2013 23 May 2013
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 28 May 2013 23 May 2013
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 10 May 2013 31 Mar 2013 001-13738
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 08 May 2013 07 May 2013 001-13738
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 24 Apr 2013 22 Apr 2013
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 24 Apr 2013 22 Apr 2013
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 24 Apr 2013 22 Apr 2013
DEF 14A Open DEF 14A document View SEC filing for DEF 14A SCHEDULE 14A 08 Apr 2013 23 May 2013 001-13738
ARS Open ARS document View SEC filing for ARS AUTO-GENERATED PAPER DOCUMENT 05 Apr 2013 31 Dec 2012 001-13738
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 18 Mar 2013 14 Mar 2013
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 08 Mar 2013 06 Mar 2013 001-13738
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K FORM 10-K 08 Mar 2013 31 Dec 2012 001-13738
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 26 Feb 2013 25 Feb 2013 001-13738
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SCHEDULE 13G HOLDINGS REPORT AMENDMENT 13 Feb 2013 005-39145
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 2012 13G 12 Feb 2013 005-39145
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 29 Nov 2012 27 Nov 2012
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 13 Nov 2012 09 Nov 2012
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q 09 Nov 2012 30 Sep 2012 001-13738
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 06 Nov 2012 05 Nov 2012 001-13738
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SCHEDULE 13G AMENDMENT FILING 09 Oct 2012 005-39145
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q 14 Aug 2012 30 Jun 2012 001-13738
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 07 Aug 2012 07 Aug 2012 001-13738
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 19 Jun 2012 15 Jun 2012
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 08 Jun 2012 005-39145
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 29 May 2012 24 May 2012
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 29 May 2012 24 May 2012
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 29 May 2012 24 May 2012
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 24 May 2012 22 May 2012
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 24 May 2012 22 May 2012
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 24 May 2012 22 May 2012
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 24 May 2012 22 May 2012
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 24 May 2012 22 May 2012
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 24 May 2012 22 May 2012
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 24 May 2012 22 May 2012
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 23 May 2012 22 May 2012 001-13738
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 May 2012 15 May 2012
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 May 2012 15 May 2012
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 10 May 2012 31 Mar 2012 001-13738
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 08 May 2012 08 May 2012 001-13738
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 10 Apr 2012 07 Apr 2012
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 10 Apr 2012 07 Apr 2012
DEF 14A Open DEF 14A document View SEC filing for DEF 14A SCHEDULE 14A 06 Apr 2012 22 May 2012 001-13738
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 09 Mar 2012 31 Dec 2011 001-13738
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 23 Feb 2012 23 Feb 2012 001-13738
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SCHEDULE 13G HOLDINGS REPORT AMENDMENT 15 Feb 2012 005-39145
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 13G/A 13 Feb 2012 005-39145
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 25 Jan 2012 19 Jan 2012 001-13738
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q 04 Nov 2011 30 Sep 2011 001-13738
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 03 Nov 2011 10 Aug 2011 001-13738
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q 16 Aug 2011 30 Jun 2011 001-13738
NT 10-Q Open NT 10-Q document View SEC filing for NT 10-Q FORM NT 10-Q 16 Aug 2011 30 Jun 2011 001-13738
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 12 Aug 2011 10 Aug 2011 001-13738
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A PMD 13GA 073111 10 Aug 2011 005-39145
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SCHEDULE 13G HOLDINGS REPORT AMENDMENT 10 Aug 2011 005-39145
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 02 Aug 2011 005-39145
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 26 May 2011 24 May 2011
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 26 May 2011 24 May 2011
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 26 May 2011 24 May 2011
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 26 May 2011 24 May 2011
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 26 May 2011 24 May 2011
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 26 May 2011 24 May 2011
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 26 May 2011 24 May 2011
S-8 Open S-8 document View SEC filing for S-8 26 May 2011 333-174531
8-K Open 8-K document View SEC filing for 8-K 26 May 2011 24 May 2011 001-13738
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 18 May 2011 16 May 2011
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 18 May 2011 16 May 2011
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 12 May 2011 10 May 2011
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 12 May 2011 10 May 2011
10-Q Open 10-Q document View SEC filing for 10-Q 06 May 2011 31 Mar 2011 001-13738
8-K Open 8-K document View SEC filing for 8-K 05 May 2011 05 May 2011 001-13738
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 08 Apr 2011 07 Apr 2011
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 08 Apr 2011 07 Apr 2011
ARS Open ARS document View SEC filing for ARS AUTO-GENERATED PAPER DOCUMENT 06 Apr 2011 31 Dec 2010 001-13738
DEF 14A Open DEF 14A document View SEC filing for DEF 14A 05 Apr 2011 24 May 2011 001-13738
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Apr 2011 08 Dec 2010
10-K Open 10-K document View SEC filing for 10-K 25 Mar 2011 31 Dec 2010 001-13738
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 21 Mar 2011 17 Mar 2011
8-K Open 8-K document View SEC filing for 8-K 02 Mar 2011 02 Mar 2011 001-13738
EFFECT Open EFFECT document View SEC filing for EFFECT 14 Feb 2011 033-58970
EFFECT Open EFFECT document View SEC filing for EFFECT 14 Feb 2011 033-45332
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SCHEDULE 13G HOLDINGS REPORT AMENDMENT 11 Feb 2011 005-39145
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 13G AMENDMENT 11 Feb 2011 005-39145
POS AM Open POS AM document View SEC filing for POS AM 04 Feb 2011 033-58970
POS AM Open POS AM document View SEC filing for POS AM 04 Feb 2011 033-45332
S-8 POS Open S-8 POS document View SEC filing for S-8 POS 01 Feb 2011 333-12403
S-8 POS Open S-8 POS document View SEC filing for S-8 POS 01 Feb 2011 033-66942
S-8 POS Open S-8 POS document View SEC filing for S-8 POS 01 Feb 2011 033-50712
S-8 POS Open S-8 POS document View SEC filing for S-8 POS 01 Feb 2011 033-41787
SC 13G Open SC 13G document View SEC filing for SC 13G PMD 123110 13G 01 Feb 2011 005-39145
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 20 Jan 2011 005-39145
8-K Open 8-K document View SEC filing for 8-K 30 Dec 2010 30 Dec 2010 001-13738
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 23 Dec 2010 005-39145
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 23 Dec 2010 21 Dec 2010
10-Q Open 10-Q document View SEC filing for 10-Q 12 Nov 2010 30 Sep 2010 001-13738
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 05 Nov 2010 25 Oct 2010
8-K Open 8-K document View SEC filing for 8-K 04 Nov 2010 04 Nov 2010 001-13738
8-K Open 8-K document View SEC filing for 8-K 28 Oct 2010 25 Oct 2010 001-13738
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 23 Sep 2010 17 Sep 2010 001-13738
10-Q Open 10-Q document View SEC filing for 10-Q 13 Aug 2010 30 Jun 2010 001-13738
8-K Open 8-K document View SEC filing for 8-K 10 Aug 2010 10 Aug 2010 001-13738
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 18 Jun 2010 15 May 2010
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 18 Jun 2010 10 May 2010
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 18 Jun 2010 10 May 2010
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 18 Jun 2010 10 May 2009
10-Q Open 10-Q document View SEC filing for 10-Q 14 May 2010 31 Mar 2010 001-13738
8-K Open 8-K document View SEC filing for 8-K 13 May 2010 11 May 2010 001-13738
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 09 Apr 2010 07 Apr 2010
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 09 Apr 2010 07 Apr 2010
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 09 Apr 2010 07 Apr 2010
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 09 Apr 2010 07 Apr 2010
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 09 Apr 2010 07 Apr 2010
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 09 Apr 2010 07 Apr 2010
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 09 Apr 2010 07 Apr 2010
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 09 Apr 2010 07 Apr 2010
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 09 Apr 2010 07 Apr 2010
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 09 Apr 2010 07 Apr 2010
ARS Open ARS document View SEC filing for ARS AUTO-GENERATED PAPER DOCUMENT 07 Apr 2010 31 Dec 2009 001-13738
DEF 14A Open DEF 14A document View SEC filing for DEF 14A 02 Apr 2010 20 May 2010 001-13738
10-K Open 10-K document View SEC filing for 10-K 26 Mar 2010 31 Dec 2009 001-13738
SC 13G Open SC 13G document View SEC filing for SC 13G PMD 13G 022810 02 Mar 2010 005-39145
8-K Open 8-K document View SEC filing for 8-K 23 Feb 2010 23 Feb 2010 001-13738
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 13G/A 12 Feb 2010 005-39145
SC 13G Open SC 13G document View SEC filing for SC 13G SCHEDULE 13G 11 Feb 2010 005-39145
SC 13G Open SC 13G document View SEC filing for SC 13G 123109 PSYCHEMEDICA 13G 10 Feb 2010 005-39145
SC 13G Open SC 13G document View SEC filing for SC 13G 07 Jan 2010 005-39145

About this filer

PSYCHEMEDICS CORP files with the SEC under CIK 0000806517. This page aggregates EDGAR filings and related ownership activity.

Industry: Services Medical Laboratories.

See insider transactions for this issuer.

FAQ

What is a CIK?
A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
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New filings appear as the SEC updates EDGAR, and older records can vary by availability.
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