PSYCHEMEDICS CORP — 4 Filings
336 4 filings on record
This page lists all 4 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 336 4 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 |
|---|---|---|---|---|
| 4 | PRIMARY DOCUMENT | 0001843082-21-000019 | May 14, 2021 | May 13, 2021 |
| 4 | PRIMARY DOCUMENT | 0001843082-21-000022 | May 14, 2021 | May 13, 2021 |
| 4 | PRIMARY DOCUMENT | 0001843082-21-000020 | May 14, 2021 | May 13, 2021 |
| 4 | PRIMARY DOCUMENT | 0001843082-21-000012 | May 14, 2021 | May 13, 2021 |
| 4 | PRIMARY DOCUMENT | 0001843082-21-000008 | Mar 18, 2021 | Mar 16, 2021 |
| 4 | PRIMARY DOCUMENT | 0001843082-21-000004 | Jan 28, 2021 | Jan 25, 2021 |
| 4 | PRIMARY DOCUMENT | 0001505148-20-000036 | Dec 11, 2020 | — |
| 4 | PRIMARY DOCUMENT | 0001505148-20-000034 | Dec 8, 2020 | — |
| 4 | PRIMARY DOCUMENT | 0001505148-20-000032 | Nov 20, 2020 | Nov 18, 2020 |
| 4 | PRIMARY DOCUMENT | 0001505148-20-000030 | Nov 17, 2020 | Nov 13, 2020 |
| 4 | PRIMARY DOCUMENT | 0001505148-20-000024 | Nov 13, 2020 | Nov 11, 2020 |
| 4 | PRIMARY DOCUMENT | 0001505148-20-000026 | Nov 13, 2020 | Nov 11, 2020 |
| 4 | PRIMARY DOCUMENT | 0001505148-20-000019 | Nov 13, 2020 | Nov 11, 2020 |
| 4 | PRIMARY DOCUMENT | 0001505148-20-000016 | Nov 13, 2020 | Nov 11, 2020 |
| 4 | PRIMARY DOCUMENT | 0001505148-20-000023 | Nov 13, 2020 | Nov 11, 2020 |
| 4 | PRIMARY DOCUMENT | 0001505148-20-000017 | Nov 13, 2020 | Nov 11, 2020 |
| 4 | PRIMARY DOCUMENT | 0001505148-20-000028 | Nov 13, 2020 | — |
| 4 | PRIMARY DOCUMENT | 0001505148-20-000018 | Nov 13, 2020 | Nov 11, 2020 |
| 4 | PRIMARY DOCUMENT | 0001505148-20-000011 | Nov 12, 2020 | — |
| 4 | PRIMARY DOCUMENT | 0001505148-20-000009 | Nov 12, 2020 | Nov 11, 2020 |
| 4 | PRIMARY DOCUMENT | 0001505148-20-000007 | Jun 3, 2020 | Jun 1, 2020 |
| 4 | PRIMARY DOCUMENT | 0001505148-20-000002 | May 6, 2020 | May 4, 2020 |
| 4 | PRIMARY DOCUMENT | 0001505148-19-000002 | Dec 13, 2019 | — |
| 4 | PRIMARY DOCUMENT | 0001373894-19-000063 | Jun 17, 2019 | Jun 14, 2019 |
| 4 | PRIMARY DOCUMENT | 0001373894-19-000061 | Jun 14, 2019 | Jun 12, 2019 |
| 4 | PRIMARY DOCUMENT | 0001373894-19-000057 | Jun 7, 2019 | Jun 5, 2019 |
| 4 | PRIMARY DOCUMENT | 0001373894-19-000033 | May 7, 2019 | May 3, 2019 |
| 4 | PRIMARY DOCUMENT | 0001373894-19-000029 | May 7, 2019 | May 3, 2019 |
| 4 | PRIMARY DOCUMENT | 0001373894-19-000037 | May 7, 2019 | May 3, 2019 |
| 4 | PRIMARY DOCUMENT | 0001373894-19-000030 | May 7, 2019 | May 3, 2019 |
| 4 | PRIMARY DOCUMENT | 0001373894-19-000031 | May 7, 2019 | May 3, 2019 |
| 4 | PRIMARY DOCUMENT | 0001373894-19-000038 | May 7, 2019 | May 3, 2019 |
| 4 | PRIMARY DOCUMENT | 0001373894-19-000032 | May 7, 2019 | May 3, 2019 |
| 4 | PRIMARY DOCUMENT | 0001373894-19-000034 | May 7, 2019 | May 3, 2019 |
| 4 | PRIMARY DOCUMENT | 0001373894-19-000021 | May 2, 2019 | Apr 30, 2019 |
| 4 | PRIMARY DOCUMENT | 0001373894-19-000022 | May 2, 2019 | Apr 30, 2019 |
| 4 | PRIMARY DOCUMENT | 0001373894-19-000020 | May 2, 2019 | Apr 30, 2019 |
| 4 | PRIMARY DOCUMENT | 0001373894-19-000015 | Mar 13, 2019 | Mar 11, 2019 |
| 4 | PRIMARY DOCUMENT | 0001739481-18-000057 | Dec 14, 2018 | Dec 11, 2018 |
| 4 | PRIMARY DOCUMENT | 0001739481-18-000044 | Sep 10, 2018 | Sep 6, 2018 |
| 4 | PRIMARY DOCUMENT | 0001739481-18-000025 | May 23, 2018 | May 21, 2018 |
| 4 | PRIMARY DOCUMENT | 0001739481-18-000021 | May 10, 2018 | May 8, 2018 |
| 4 | PRIMARY DOCUMENT | 0001739481-18-000022 | May 10, 2018 | May 8, 2018 |
| 4 | PRIMARY DOCUMENT | 0001739481-18-000023 | May 10, 2018 | May 8, 2018 |
| 4 | PRIMARY DOCUMENT | 0001739481-18-000013 | May 7, 2018 | May 3, 2018 |
| 4 | PRIMARY DOCUMENT | 0001739481-18-000014 | May 7, 2018 | May 3, 2018 |
| 4 | PRIMARY DOCUMENT | 0001739481-18-000015 | May 7, 2018 | May 3, 2018 |
| 4 | PRIMARY DOCUMENT | 0001739481-18-000016 | May 7, 2018 | May 3, 2018 |
| 4 | PRIMARY DOCUMENT | 0001739481-18-000017 | May 7, 2018 | May 3, 2018 |
| 4 | PRIMARY DOCUMENT | 0001739481-18-000018 | May 7, 2018 | May 3, 2018 |