Company · CIK 914139

# PARKERVISION INC

| CIK | [914139](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0000914139) (SEC EDGAR) |
| --- | --- |
| Industry (SIC) | 3663 — Radio & Tv Broadcasting & Communications Equipment |
| Incorporated in | FL |
| Business address | FL |
| Listed | PRKR (OTC) |
| First annual or quarterly report | 1996-08-13 |

## Offerings

 29 registrations

| Registration | Label and status | First filed | Last event | Filings |
| --- | --- | --- | --- | --- |
| 333-287427 | Shelf Effective | 2025-05-20 | 2025-11-24 | 4 |
| 333-286486 | Shelf Effective | 2025-04-11 | 2025-04-24 | 2 |
| 333-271351 | Registered company Effective | 2023-04-20 | 2023-05-11 | 3 |
| 333-266777 | Registered company Effective | 2022-08-11 | 2022-08-22 | 2 |
| 333-262147 | Registered company Effective | 2022-01-13 | 2022-01-24 | 2 |
| 333-255217 | Registered company Effective | 2021-04-14 | 2021-04-26 | 2 |
| 333-248242 | Registered company Effective | 2020-08-21 | 2020-09-02 | 2 |
| 333-237762 | Registered company Effective | 2020-04-21 | 2020-04-28 | 2 |
| 333-230888 | Registered company Effective | 2019-04-15 | 2019-09-09 | 3 |
| 333-233390 | Registered company Effective | 2019-08-21 | 2019-09-03 | 3 |
| 333-228184 | Registered company Effective | 2018-11-05 | 2018-11-13 | 2 |
| 333-226738 | Registered company Effective | 2018-08-09 | 2018-09-10 | 3 |
| 333-221250 | Registered company Effective | 2017-10-31 | 2017-11-27 | 2 |
| 333-214598 | Shelf Effective | 2016-11-14 | 2017-08-14 | 4 |
| 333-202802 | Shelf Effective | 2015-03-16 | 2016-08-03 | 3 |
| 333-212670 | Shelf Effective | 2016-07-25 | 2016-08-02 | 2 |
| 333-208958 | Shelf Effective | 2016-01-12 | 2016-01-19 | 2 |
| 333-195105 | Shelf Effective | 2014-04-07 | 2014-05-01 | 2 |
| 333-190769 | Shelf Effective | 2013-08-21 | 2013-09-18 | 2 |
| 333-183713 | Shelf Effective | 2012-09-04 | 2013-03-21 | 5 |
| 333-161903 | Shelf Effective | 2009-09-14 | 2012-04-13 | 5 |
| 333-156571 | Shelf Effective | 2009-01-05 | 2011-03-25 | 8 |
| 333-149975 | Shelf Effective | 2008-03-31 | 2008-04-10 | 2 |
| 333-141400 | Shelf Effective | 2007-03-19 | 2007-03-30 | 2 |
| 333-132301 | Shelf Final prospectus | 2006-03-09 | 2006-03-17 | 2 |
| 333-123957 | Shelf Final prospectus | 2005-04-08 | 2005-06-01 | 2 |
| 333-110712 | Shelf Final prospectus | 2003-11-24 | 2004-02-13 | 2 |
| 333-108954 | Shelf Final prospectus | 2003-09-19 | 2003-10-03 | 2 |
| 333-106798 | Shelf Dormant | 2003-07-03 | 2003-07-03 | 1 |

## Filings

 79

| Filed | Filing | Registration | Accession |
| --- | --- | --- | --- |
| 2025-11-24 | [424B5](https://www.sec.gov/Archives/edgar/data/914139/000143774925036134/0001437749-25-036134-index.htm) Shelf takedown | 333-287427 | 0001437749-25-036134 |
| 2025-11-17 | [424B5](https://www.sec.gov/Archives/edgar/data/914139/000143774925035441/0001437749-25-035441-index.htm) Shelf takedown | 333-287427 | 0001437749-25-035441 |
| 2025-05-28 | [EFFECT](https://www.sec.gov/Archives/edgar/data/914139/999999999525001763/9999999995-25-001763-index.htm) Declared effective | 333-287427 | 9999999995-25-001763 |
| 2025-05-20 | [S-3](https://www.sec.gov/Archives/edgar/data/914139/000143774925017813/0001437749-25-017813-index.htm) Shelf registered | 333-287427 | 0001437749-25-017813 |
| 2025-04-24 | [EFFECT](https://www.sec.gov/Archives/edgar/data/914139/999999999525001236/9999999995-25-001236-index.htm) Declared effective | 333-286486 | 9999999995-25-001236 |
| 2025-04-11 | [S-3](https://www.sec.gov/Archives/edgar/data/914139/000143774925011790/0001437749-25-011790-index.htm) Shelf registered | 333-286486 | 0001437749-25-011790 |
| 2023-05-11 | [EFFECT](https://www.sec.gov/Archives/edgar/data/914139/999999999523001393/9999999995-23-001393-index.htm) Declared effective | 333-271351 | 9999999995-23-001393 |
| 2023-05-08 | [S-1/A](https://www.sec.gov/Archives/edgar/data/914139/000143774923013013/0001437749-23-013013-index.htm) Amendment | 333-271351 | 0001437749-23-013013 |
| 2023-04-20 | [S-1](https://www.sec.gov/Archives/edgar/data/914139/000143774923010739/0001437749-23-010739-index.htm) Registration filed | 333-271351 | 0001437749-23-010739 |
| 2022-08-22 | [EFFECT](https://www.sec.gov/Archives/edgar/data/914139/999999999522002464/9999999995-22-002464-index.htm) Declared effective | 333-266777 | 9999999995-22-002464 |
| 2022-08-11 | [S-1](https://www.sec.gov/Archives/edgar/data/914139/000091413922000021/0000914139-22-000021-index.htm) Registration filed | 333-266777 | 0000914139-22-000021 |
| 2022-01-24 | [EFFECT](https://www.sec.gov/Archives/edgar/data/914139/999999999522000207/9999999995-22-000207-index.htm) Declared effective | 333-262147 | 9999999995-22-000207 |
| 2022-01-13 | [S-1](https://www.sec.gov/Archives/edgar/data/914139/000091413922000003/0000914139-22-000003-index.htm) Registration filed | 333-262147 | 0000914139-22-000003 |
| 2021-04-26 | [EFFECT](https://www.sec.gov/Archives/edgar/data/914139/999999999521001565/9999999995-21-001565-index.htm) Declared effective | 333-255217 | 9999999995-21-001565 |
| 2021-04-14 | [S-1](https://www.sec.gov/Archives/edgar/data/914139/000091413921000012/0000914139-21-000012-index.htm) Registration filed | 333-255217 | 0000914139-21-000012 |
| 2020-09-02 | [EFFECT](https://www.sec.gov/Archives/edgar/data/914139/999999999520002346/9999999995-20-002346-index.htm) Declared effective | 333-248242 | 9999999995-20-002346 |
| 2020-08-21 | [S-1](https://www.sec.gov/Archives/edgar/data/914139/000091413920000066/0000914139-20-000066-index.htm) Registration filed | 333-248242 | 0000914139-20-000066 |
| 2020-04-28 | [EFFECT](https://www.sec.gov/Archives/edgar/data/914139/999999999520000903/9999999995-20-000903-index.htm) Declared effective | 333-237762 | 9999999995-20-000903 |
| 2020-04-21 | [S-1](https://www.sec.gov/Archives/edgar/data/914139/000091413920000028/0000914139-20-000028-index.htm) Registration filed | 333-237762 | 0000914139-20-000028 |
| 2019-09-09 | [EFFECT](https://www.sec.gov/Archives/edgar/data/914139/999999999519002059/9999999995-19-002059-index.htm) Declared effective | 333-230888 | 9999999995-19-002059 |
| 2019-09-03 | [EFFECT](https://www.sec.gov/Archives/edgar/data/914139/999999999519002016/9999999995-19-002016-index.htm) Declared effective | 333-233390 | 9999999995-19-002016 |
| 2019-08-28 | [EFFECT](https://www.sec.gov/Archives/edgar/data/914139/999999999519001984/9999999995-19-001984-index.htm) Declared effective | 333-233390 | 9999999995-19-001984 |
| 2019-08-21 | [S-1](https://www.sec.gov/Archives/edgar/data/914139/000165495419009866/0001654954-19-009866-index.htm) Registration filed | 333-233390 | 0001654954-19-009866 |
| 2019-04-19 | [EFFECT](https://www.sec.gov/Archives/edgar/data/914139/999999999519000778/9999999995-19-000778-index.htm) Declared effective | 333-230888 | 9999999995-19-000778 |
| 2019-04-15 | [S-1](https://www.sec.gov/Archives/edgar/data/914139/000091413919000004/0000914139-19-000004-index.htm) Registration filed | 333-230888 | 0000914139-19-000004 |
| 2018-11-13 | [EFFECT](https://www.sec.gov/Archives/edgar/data/914139/999999999518002881/9999999995-18-002881-index.htm) Declared effective | 333-228184 | 9999999995-18-002881 |
| 2018-11-05 | [S-1](https://www.sec.gov/Archives/edgar/data/914139/000139834418015951/0001398344-18-015951-index.htm) Registration filed | 333-228184 | 0001398344-18-015951 |
| 2018-09-10 | [EFFECT](https://www.sec.gov/Archives/edgar/data/914139/999999999518002325/9999999995-18-002325-index.htm) Declared effective | 333-226738 | 9999999995-18-002325 |
| 2018-08-30 | [S-1/A](https://www.sec.gov/Archives/edgar/data/914139/000091413918000053/0000914139-18-000053-index.htm) Amendment | 333-226738 | 0000914139-18-000053 |
| 2018-08-09 | [S-1](https://www.sec.gov/Archives/edgar/data/914139/000091413918000034/0000914139-18-000034-index.htm) Registration filed | 333-226738 | 0000914139-18-000034 |
| 2017-11-27 | [EFFECT](https://www.sec.gov/Archives/edgar/data/914139/999999999517003062/9999999995-17-003062-index.htm) Declared effective | 333-221250 | 9999999995-17-003062 |
| 2017-10-31 | [S-1](https://www.sec.gov/Archives/edgar/data/914139/000139834417013977/0001398344-17-013977-index.htm) Registration filed | 333-221250 | 0001398344-17-013977 |
| 2017-08-14 | [424B5](https://www.sec.gov/Archives/edgar/data/914139/000091413917000069/0000914139-17-000069-index.htm) Shelf takedown | 333-214598 | 0000914139-17-000069 |
| 2016-12-30 | [424B5](https://www.sec.gov/Archives/edgar/data/914139/000139834416022335/0001398344-16-022335-index.htm) Shelf takedown | 333-214598 | 0001398344-16-022335 |
| 2016-11-30 | [EFFECT](https://www.sec.gov/Archives/edgar/data/914139/999999999516006345/9999999995-16-006345-index.htm) Declared effective | 333-214598 | 9999999995-16-006345 |
| 2016-11-14 | [S-3](https://www.sec.gov/Archives/edgar/data/914139/000139834416020757/0001398344-16-020757-index.htm) Shelf registered | 333-214598 | 0001398344-16-020757 |
| 2016-08-03 | [EFFECT](https://www.sec.gov/Archives/edgar/data/914139/999999999516005326/9999999995-16-005326-index.htm) Declared effective | 333-202802 | 9999999995-16-005326 |
| 2016-08-02 | [EFFECT](https://www.sec.gov/Archives/edgar/data/914139/999999999516005323/9999999995-16-005323-index.htm) Declared effective | 333-212670 | 9999999995-16-005323 |
| 2016-07-25 | [S-3](https://www.sec.gov/Archives/edgar/data/914139/000139834416015557/0001398344-16-015557-index.htm) Shelf registered | 333-212670 | 0001398344-16-015557 |
| 2016-01-19 | [EFFECT](https://www.sec.gov/Archives/edgar/data/914139/999999999516003546/9999999995-16-003546-index.htm) Declared effective | 333-208958 | 9999999995-16-003546 |
| 2016-01-12 | [S-3](https://www.sec.gov/Archives/edgar/data/914139/000139834416008948/0001398344-16-008948-index.htm) Shelf registered | 333-208958 | 0001398344-16-008948 |
| 2015-05-04 | [EFFECT](https://www.sec.gov/Archives/edgar/data/914139/999999999515001211/9999999995-15-001211-index.htm) Declared effective | 333-202802 | 9999999995-15-001211 |
| 2015-03-16 | [S-3](https://www.sec.gov/Archives/edgar/data/914139/000139834415001843/0001398344-15-001843-index.htm) Shelf registered | 333-202802 | 0001398344-15-001843 |
| 2014-05-01 | [EFFECT](https://www.sec.gov/Archives/edgar/data/914139/999999999514001292/9999999995-14-001292-index.htm) Declared effective | 333-195105 | 9999999995-14-001292 |
| 2014-04-07 | [S-3](https://www.sec.gov/Archives/edgar/data/914139/000139834414002068/0001398344-14-002068-index.htm) Shelf registered | 333-195105 | 0001398344-14-002068 |
| 2013-09-18 | [EFFECT](https://www.sec.gov/Archives/edgar/data/914139/999999999513002704/9999999995-13-002704-index.htm) Declared effective | 333-190769 | 9999999995-13-002704 |
| 2013-08-21 | [S-3](https://www.sec.gov/Archives/edgar/data/914139/000139834413004015/0001398344-13-004015-index.htm) Shelf registered | 333-190769 | 0001398344-13-004015 |
| 2013-03-21 | [424B5](https://www.sec.gov/Archives/edgar/data/914139/000139834413001546/0001398344-13-001546-index.htm) Shelf takedown | 333-183713 | 0001398344-13-001546 |
| 2013-03-20 | [424B5](https://www.sec.gov/Archives/edgar/data/914139/000139834413001533/0001398344-13-001533-index.htm) Shelf takedown | 333-183713 | 0001398344-13-001533 |
| 2012-09-14 | [424B5](https://www.sec.gov/Archives/edgar/data/914139/000139834412002995/0001398344-12-002995-index.htm) Shelf takedown | 333-183713 | 0001398344-12-002995 |
| 2012-09-11 | [EFFECT](https://www.sec.gov/Archives/edgar/data/914139/999999999512002721/9999999995-12-002721-index.htm) Declared effective | 333-183713 | 9999999995-12-002721 |
| 2012-09-04 | [S-3](https://www.sec.gov/Archives/edgar/data/914139/000139834412002898/0001398344-12-002898-index.htm) Shelf registered | 333-183713 | 0001398344-12-002898 |
| 2012-04-13 | [424B5](https://www.sec.gov/Archives/edgar/data/914139/000139834412001327/0001398344-12-001327-index.htm) Shelf takedown | 333-161903 | 0001398344-12-001327 |
| 2011-09-09 | [424B5](https://www.sec.gov/Archives/edgar/data/914139/000139834411002098/0001398344-11-002098-index.htm) Shelf takedown | 333-161903 | 0001398344-11-002098 |
| 2011-03-25 | [424B5](https://www.sec.gov/Archives/edgar/data/914139/000139834411000676/0001398344-11-000676-index.htm) Shelf takedown | 333-156571 | 0001398344-11-000676 |
| 2010-11-17 | [424B5](https://www.sec.gov/Archives/edgar/data/914139/000139834410001487/0001398344-10-001487-index.htm) Shelf takedown | 333-156571 | 0001398344-10-001487 |
| 2010-10-29 | [424B5](https://www.sec.gov/Archives/edgar/data/914139/000139834410001341/0001398344-10-001341-index.htm) Shelf takedown | 333-156571 | 0001398344-10-001341 |
| 2009-11-10 | [424B5](https://www.sec.gov/Archives/edgar/data/914139/000139834409001066/0001398344-09-001066-index.htm) Shelf takedown | 333-161903 | 0001398344-09-001066 |
| 2009-09-30 | [EFFECT](https://www.sec.gov/Archives/edgar/data/914139/999999999509002717/9999999995-09-002717-index.htm) Declared effective | 333-161903 | 9999999995-09-002717 |
| 2009-09-14 | [S-3](https://www.sec.gov/Archives/edgar/data/914139/000139834409000903/0001398344-09-000903-index.htm) Shelf registered | 333-161903 | 0001398344-09-000903 |
| 2009-02-26 | [424B5](https://www.sec.gov/Archives/edgar/data/914139/000139834409000223/0001398344-09-000223-index.htm) Shelf takedown | 333-156571 | 0001398344-09-000223 |
| 2009-02-26 | [424B5](https://www.sec.gov/Archives/edgar/data/914139/000139834409000221/0001398344-09-000221-index.htm) Shelf takedown | 333-156571 | 0001398344-09-000221 |
| 2009-02-26 | [424B5](https://www.sec.gov/Archives/edgar/data/914139/000139834409000219/0001398344-09-000219-index.htm) Shelf takedown | 333-156571 | 0001398344-09-000219 |
| 2009-01-20 | [EFFECT](https://www.sec.gov/Archives/edgar/data/914139/999999999509000147/9999999995-09-000147-index.htm) Declared effective | 333-156571 | 9999999995-09-000147 |
| 2009-01-05 | [S-3](https://www.sec.gov/Archives/edgar/data/914139/000139834409000010/0001398344-09-000010-index.htm) Shelf registered | 333-156571 | 0001398344-09-000010 |
| 2008-04-10 | [EFFECT](https://www.sec.gov/Archives/edgar/data/914139/999999999508001044/9999999995-08-001044-index.htm) Declared effective | 333-149975 | 9999999995-08-001044 |
| 2008-03-31 | [S-3](https://www.sec.gov/Archives/edgar/data/914139/000114420408018491/0001144204-08-018491-index.htm) Shelf registered | 333-149975 | 0001144204-08-018491 |
| 2007-03-30 | [EFFECT](https://www.sec.gov/Archives/edgar/data/914139/999999999507001099/9999999995-07-001099-index.htm) Declared effective | 333-141400 | 9999999995-07-001099 |
| 2007-03-19 | [S-3](https://www.sec.gov/Archives/edgar/data/914139/000114420407013382/0001144204-07-013382-index.htm) Shelf registered | 333-141400 | 0001144204-07-013382 |
| 2006-03-17 | [424B1](https://www.sec.gov/Archives/edgar/data/914139/000114420406010568/0001144204-06-010568-index.htm) Final prospectus | 333-132301 | 0001144204-06-010568 |
| 2006-03-09 | [S-3](https://www.sec.gov/Archives/edgar/data/914139/000114420406009255/0001144204-06-009255-index.htm) Shelf registered | 333-132301 | 0001144204-06-009255 |
| 2005-06-01 | [424B1](https://www.sec.gov/Archives/edgar/data/914139/000114420405017759/0001144204-05-017759-index.htm) Final prospectus | 333-123957 | 0001144204-05-017759 |
| 2005-04-08 | [S-3](https://www.sec.gov/Archives/edgar/data/914139/000114420405010925/0001144204-05-010925-index.htm) Shelf registered | 333-123957 | 0001144204-05-010925 |
| 2004-02-13 | [424B1](https://www.sec.gov/Archives/edgar/data/914139/000109380104000225/0001093801-04-000225-index.htm) Final prospectus | 333-110712 | 0001093801-04-000225 |
| 2003-11-24 | [S-3](https://www.sec.gov/Archives/edgar/data/914139/000109380103001475/0001093801-03-001475-index.htm) Shelf registered | 333-110712 | 0001093801-03-001475 |
| 2003-10-03 | [424B1](https://www.sec.gov/Archives/edgar/data/914139/000109380103001246/0001093801-03-001246-index.htm) Final prospectus | 333-108954 | 0001093801-03-001246 |
| 2003-09-19 | [S-3](https://www.sec.gov/Archives/edgar/data/914139/000109380103001202/0001093801-03-001202-index.htm) Shelf registered | 333-108954 | 0001093801-03-001202 |
| 2003-07-14 | [424B1](https://www.sec.gov/Archives/edgar/data/914139/000109380103000820/0001093801-03-000820-index.htm) Final prospectus | 333-58286 | 0001093801-03-000820 |
| 2003-07-03 | [S-3](https://www.sec.gov/Archives/edgar/data/914139/000109380103000771/0001093801-03-000771-index.htm) Shelf registered | 333-106798 | 0001093801-03-000771 |

[All filings of this company](https://equitycapital.markets/filings?cik=914139) · [CSV](https://equitycapital.markets/filings.csv?cik=914139)

---
Source page: https://equitycapital.markets/company/914139 · Data: U.S. SEC EDGAR · CC BY 4.0
