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 26-50 of 609 matching filings.

Per page
25
Current page
2
ARS File 001-13738

ARS

Filing date
08 Nov 2024
Reporting date
31 Dec 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13E3/A File 005-39145

SC 13E3/A

Filing date
18 Oct 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
DEF 14A File 001-13738

DEF 14A

Filing date
18 Oct 2024
Reporting date
25 Nov 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
CORRESP

CORRESP filing

Filing date
16 Oct 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13E3/A File 005-39145

SC 13E3/A

Filing date
16 Oct 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
PRER14A File 001-13738

FORM PRER14A

Filing date
16 Oct 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
UPLOAD File 005-39145

UPLOAD filing

Filing date
11 Oct 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
CORRESP

CORRESP filing

Filing date
04 Oct 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13E3/A File 005-39145

SC 13E3/A

Filing date
04 Oct 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
PRER14A File 001-13738

FORM PRER14A

Filing date
04 Oct 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
UPLOAD File 005-39145

UPLOAD filing

Filing date
26 Sep 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13E3 File 005-39145

SC 13E3

Filing date
03 Sep 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
PRE 14A File 001-13738

PRELIMINARY PROXY STATEMENT

Filing date
03 Sep 2024
Reporting date
03 Sep 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13D/A File 005-39145

SC 13D/A filing

Filing date
13 Aug 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
DEFA14A File 001-13738

DEFA14A

Filing date
12 Aug 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A File 005-39145

SC 13G/A filing

Filing date
13 Feb 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .