PARKERVISION INC — SC 13D/A Filings
8 SC 13D/A filings on record
This page lists all SC 13D/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 8 SC 13D/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 |
|---|---|---|---|---|
| SC 13D/A | — | 0001398344-12-002441 | Aug 6, 2012 | — |
| SC 13D/A | — | 0001398344-09-000312 | Mar 16, 2009 | — |
| SC 13D/A | — | 0001144204-08-015908 | Mar 17, 2008 | — |
| SC 13D/A | — | 0001144204-04-002533 | Mar 5, 2004 | — |
| SC 13D/A | — | 0001144204-04-002528 | Mar 5, 2004 | — |
| SC 13D/A | — | 0001144204-04-002522 | Mar 5, 2004 | — |
| SC 13D/A | PARKERVISION, INC. | 0001093801-03-000429 | Apr 2, 2003 | — |
| SC 13D/A | JEFFREY PARKER AMENDMENT 1 TO 13D | 0001094891-01-500220 | Jul 10, 2001 | — |