PARKERVISION INC — 4/A Filings
14 4/A filings on record
This page lists all 4/A filings submitted to the SEC by PARKERVISION INC (PRKR), sorted by most recent first. Each row links to the full filing on EdgarLookup. PARKERVISION INC has filed 14 4/A documents with the SEC since 2018. To view all SEC filings by PARKERVISION INC, see the full filings list.
All
10-K
10-K/A
10-K405
10-K405/A
10-Q
10-Q/A
10KSB
10KSB40
10QSB
25-NSE
3
4
4/A
424B1
424B2
424B3
424B5
5
8-A12G
8-A12G/A
8-K
8-K/A
ARS
AW
CORRESP
CT ORDER
D
D/A
DEF 14A
DEFA14A
DEFM14A
DEFR14A
DEL AM
EFFECT
FWP
NT 10-K
NT 10-Q
POS AM
PRE 14A
PREM14A
PX14A6G
REGDEX
S-1
S-1/A
S-3
S-3/A
S-3MEF
S-8
S-8 POS
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SCHEDULE 13D
SCHEDULE 13G/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 4/A | NEWMAN FORM 4/A | 0001437749-23-014976 | May 17, 2023 | Feb 24, 2023 |
| 4/A | PRIMARY DOCUMENT | 0001654954-22-006602 | May 12, 2022 | May 10, 2022 |
| 4/A | PRIMARY DOCUMENT | 0001654954-20-005266 | May 12, 2020 | Feb 9, 2020 |
| 4/A | PRIMARY DOCUMENT | 0001654954-20-005263 | May 12, 2020 | Feb 9, 2020 |
| 4/A | PRIMARY DOCUMENT | 0001654954-20-005254 | May 12, 2020 | Feb 9, 2020 |
| 4/A | PRIMARY DOCUMENT | 0001562762-18-000302 | Sep 17, 2018 | Sep 10, 2018 |
| 4/A | PRIMARY DOCUMENT | 0001562762-18-000300 | Sep 17, 2018 | Sep 10, 2018 |
| 4/A | FORM 4/A | 0001140361-12-038399 | Aug 24, 2012 | May 11, 2012 |
| 4/A | PRIMARY DOCUMENT | 0000914139-09-000057 | Sep 2, 2009 | May 31, 2009 |
| 4/A | PRIMARY DOCUMENT | 0000914139-08-000027 | Mar 31, 2008 | Mar 19, 2008 |
| 4/A | PRIMARY DOCUMENT | 0000914139-08-000022 | Mar 7, 2008 | Mar 5, 2008 |
| 4/A | PRIMARY DOCUMENT | 0000914139-06-000062 | Dec 11, 2006 | Dec 8, 2006 |
| 4/A | — | 0000914139-04-000013 | Jun 2, 2004 | May 13, 2004 |
| 4/A | J. PARKER FORM 4 AMENDMENT FOR 9-5-2002 FORM 4 | 0001094891-02-000383 | Sep 12, 2002 | Sep 5, 2002 |