PSYCHEMEDICS CORP reports

Company Names, identifiers, and filing context for this profile. 1 identity field
Company location
Acton, MA
SEC filing record 1 source field available
Fiscal year end
31 December
PSYCHEMEDICS CORP has filed 877 SEC EDGAR filings since 11 Aug 1995

SEC filing history

Showing 1-19 of 19 matching filings.

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10-K/A File 001-13738

FORM 10-K/A

Filing date
30 Mar 2023
Reporting date
31 Dec 2022
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10-K/A File 001-13738

FORM 10-K/A

Filing date
09 Apr 2021
Reporting date
31 Dec 2020
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10-K/A File 001-13738

FORM 10-K/A

Filing date
27 Feb 2020
Reporting date
31 Dec 2019
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10-K File 001-13738

ANNUAL REPORT

Filing date
28 Feb 2014
Reporting date
31 Dec 2013
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10-K File 001-13738

10-K filing

Filing date
25 Mar 2011
Reporting date
31 Dec 2010
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10-K File 001-13738

10-K filing

Filing date
26 Mar 2010
Reporting date
31 Dec 2009
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