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 51-75 of 609 matching filings.

Per page
25
Current page
3
SC 13G/A File 005-39145

SC 13G/A

Filing date
02 Feb 2024
Reporting date
Not listed
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4

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filing date
24 Jan 2024
Reporting date
22 Jan 2024
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3

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filing date
19 Dec 2023
Reporting date
27 Nov 2023
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SC 13G File 005-39145

SC 13G

Filing date
14 Dec 2023
Reporting date
Not listed
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4

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filing date
25 Sep 2023
Reporting date
21 Sep 2023
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3

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filing date
25 Sep 2023
Reporting date
18 Sep 2023
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4

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filing date
22 Aug 2023
Reporting date
17 Aug 2023
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S-8 File 333-274156

FORM S-8

Filing date
22 Aug 2023
Reporting date
Not listed
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4

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filing date
21 Aug 2023
Reporting date
17 Aug 2023
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4

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filing date
21 Aug 2023
Reporting date
17 Aug 2023
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4

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filing date
21 Aug 2023
Reporting date
17 Aug 2023
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4

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filing date
21 Aug 2023
Reporting date
17 Aug 2023
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4

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filing date
21 Aug 2023
Reporting date
17 Aug 2023
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4

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filing date
21 Aug 2023
Reporting date
17 Aug 2023
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144 File 001-13738

144 filing

Filing date
17 Aug 2023
Reporting date
Not listed
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3

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filing date
17 Aug 2023
Reporting date
17 Aug 2023
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