PSYCHEMEDICS CORP — 3 Filings
20 3 filings on record
This page lists all 3 filings submitted to the SEC by PSYCHEMEDICS CORP (PMDI), sorted by most recent first. Each row links to the full filing on EdgarLookup. PSYCHEMEDICS CORP has filed 20 3 documents with the SEC since 1995. To view all SEC filings by PSYCHEMEDICS CORP, see the full filings list.
All
10-K
10-K/A
10-K405
10-Q
10-Q/A
10KSB
10KSB/A
10QSB
144
15-12G
25
3
4
4/A
424B3
5
8-A12B
8-A12B/A
8-K
8-K/A
ARS
CERTAMX
CERTNAS
CORRESP
DEF 14A
DEFA14A
DEFR14A
EFFECT
NT 10-Q
POS AM
PRE 14A
PRER14A
S-8
S-8 POS
SC 13D
SC 13D/A
SC 13E3
SC 13E3/A
SC 13G
SC 13G/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 3 | OWNERSHIP DOCUMENT | 0001104659-24-127111 | Dec 10, 2024 | Dec 4, 2024 |
| 3 | INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-23-022851 | Dec 19, 2023 | Nov 27, 2023 |
| 3 | INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-23-018454 | Sep 25, 2023 | Sep 18, 2023 |
| 3 | INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-23-016730 | Aug 17, 2023 | — |
| 3 | INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-23-015507 | Jul 31, 2023 | Jul 21, 2023 |
| 3 | PRIMARY DOCUMENT | 0001953928-22-000002 | Nov 8, 2022 | — |
| 3 | OWNERSHIP DOCUMENT | 0000921895-22-001691 | May 16, 2022 | May 6, 2022 |
| 3 | PRIMARY DOCUMENT | 0001408209-22-000003 | Apr 7, 2022 | Apr 4, 2022 |
| 3 | OWNERSHIP DOCUMENT | 0000921895-22-000907 | Mar 18, 2022 | Mar 16, 2022 |
| 3 | PRIMARY DOCUMENT | 0001843082-21-000007 | Mar 18, 2021 | Mar 16, 2021 |
| 3 | PRIMARY DOCUMENT | 0001843082-21-000002 | Jan 28, 2021 | Jan 25, 2021 |
| 3 | PRIMARY DOCUMENT | 0001739481-18-000002 | May 3, 2018 | May 2, 2018 |
| 3 | PRIMARY DOCUMENT | 0001041889-15-000024 | Sep 17, 2015 | Sep 15, 2015 |
| 3 | PRIMARY DOCUMENT | 0001240679-10-000067 | Nov 5, 2010 | Oct 25, 2010 |
| 3 | PRIMARY DOCUMENT | 0001240679-10-000021 | Apr 9, 2010 | Apr 7, 2010 |
| 3 | PRIMARY DOCUMENT | 0001240679-08-000109 | Nov 5, 2008 | Nov 3, 2008 |
| 3 | PRIMARY DOCUMENT | 0001240679-08-000107 | Oct 14, 2008 | — |
| 3 | PRIMARY DOCUMENT | 0001240679-07-000045 | Oct 5, 2007 | Oct 2, 2007 |
| 3 | PRIMARY DOCUMENT | 0001398738-07-000001 | May 8, 2007 | May 1, 2007 |
| 3 | PRIMARY DOCUMENT | 0001263356-03-000001 | Sep 16, 2003 | Sep 15, 2003 |