PSYCHEMEDICS CORP — All Filings
877 total filings on record
Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.
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 |
|---|---|---|---|---|
| SC 13G/A | SC 13G/A | 0001171843-24-000556 | Feb 2, 2024 | — |
| 8-K | FORM 8-K | 0001171843-24-000431 | Jan 26, 2024 | Jan 22, 2024 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-24-001252 | Jan 24, 2024 | Jan 22, 2024 |
| 3 | INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-23-022851 | Dec 19, 2023 | Nov 27, 2023 |
| SC 13G | SC 13G | 0001104659-23-125950 | Dec 14, 2023 | — |
| 8-K | FORM 8-K | 0001171843-23-007278 | Nov 27, 2023 | — |
| 10-Q | FORM 10-Q | 0001171843-23-007042 | Nov 13, 2023 | Sep 30, 2023 |
| 8-K | FORM 8-K | 0001171843-23-006962 | Nov 9, 2023 | — |
| 8-K | FORM 8-K | 0001171843-23-006872 | Nov 8, 2023 | Nov 2, 2023 |
| 3 | INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-23-018454 | Sep 25, 2023 | Sep 18, 2023 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-23-018458 | Sep 25, 2023 | Sep 21, 2023 |
| 8-K | FORM 8-K | 0001171843-23-005839 | Sep 22, 2023 | Sep 20, 2023 |
| 8-K | FORM 8-K | 0001171843-23-005514 | Aug 31, 2023 | Aug 28, 2023 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-23-016986 | Aug 22, 2023 | Aug 17, 2023 |
| S-8 | FORM S-8 | 0001171843-23-005395 | Aug 22, 2023 | — |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-23-016940 | Aug 21, 2023 | Aug 17, 2023 |
| 8-K | FORM 8-K | 0001171843-23-005387 | Aug 21, 2023 | Aug 17, 2023 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-23-016938 | Aug 21, 2023 | Aug 17, 2023 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-23-016939 | Aug 21, 2023 | Aug 17, 2023 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-23-016935 | Aug 21, 2023 | Aug 17, 2023 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-23-016936 | Aug 21, 2023 | Aug 17, 2023 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-23-016937 | Aug 21, 2023 | Aug 17, 2023 |
| 144 | — | 0001959173-23-003360 | Aug 17, 2023 | — |
| 3 | INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-23-016730 | Aug 17, 2023 | — |
| 10-Q | FORM 10-Q | 0001171843-23-005301 | Aug 14, 2023 | Jun 30, 2023 |
| 8-K | FORM 8-K | 0001171843-23-005273 | Aug 11, 2023 | — |
| 3 | INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-23-015507 | Jul 31, 2023 | Jul 21, 2023 |
| 8-K | FORM 8-K | 0001171843-23-004597 | Jul 21, 2023 | Jul 17, 2023 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0001171843-23-004595 | Jul 21, 2023 | Aug 17, 2023 |
| ARS | ARS | 0001171843-23-004596 | Jul 21, 2023 | Dec 31, 2022 |
| 8-K | FORM 8-K | 0001171843-23-004498 | Jul 14, 2023 | Jul 12, 2023 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-23-012074 | May 24, 2023 | May 22, 2023 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-23-012076 | May 24, 2023 | May 22, 2023 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-23-012077 | May 24, 2023 | May 22, 2023 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-23-011265 | May 16, 2023 | May 15, 2023 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-23-011266 | May 16, 2023 | May 15, 2023 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-23-011264 | May 16, 2023 | May 15, 2023 |
| 10-Q | FORM 10-Q | 0001171843-23-003231 | May 11, 2023 | Mar 31, 2023 |
| 8-K | FORM 8-K | 0001171843-23-003111 | May 9, 2023 | — |
| 10-K/A | FORM 10-K/A | 0001171843-23-002005 | Mar 30, 2023 | Dec 31, 2022 |
| 10-K | FORM 10-K | 0001171843-23-001908 | Mar 27, 2023 | Dec 31, 2022 |
| 8-K | FORM 8-K | 0001171843-23-001806 | Mar 21, 2023 | — |
| 8-K | FORM 8-K | 0001171843-23-001033 | Feb 16, 2023 | Feb 13, 2023 |
| SC 13G/A | FORM SC 13G/A | 0001171843-23-000966 | Feb 14, 2023 | — |
| SC 13G/A | — | 0001037389-23-000039 | Feb 13, 2023 | — |
| 8-K | FORM 8-K | 0001171843-22-008275 | Dec 30, 2022 | — |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-22-024226 | Dec 20, 2022 | Dec 16, 2022 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-22-022211 | Nov 15, 2022 | Nov 11, 2022 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-22-022213 | Nov 15, 2022 | Nov 11, 2022 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-22-022214 | Nov 15, 2022 | Nov 11, 2022 |