Filed pursuant to Rule 424(b)(3)
Registration No. 333-237762
PROSPECTUS SUPPLEMENT No. 78
(to Prospectus dated April 28, 2020)
PARKERVISION, INC.
16,809,295 Shares of Common Stock
This Prospectus Supplement relates to the prospectus dated April 28, 2020, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling stockholders listed in the Prospectus of up to 16,809,295 shares of our common stock, par value $0.01 per share (“Common Stock”) consisting of (i) up to 4,961,538 shares of Common Stock issuable upon conversion of, and for the payment of interest from time to time at our option, for a convertible promissory note dated September 13, 2019 which has a fixed conversion price of $0.10 per share and convertible promissory notes dated January 8, 2020 which have a fixed conversion price of $0.13 per share (the “Notes”), (ii) an aggregate of 3,907,331 shares of Common Stock issued pursuant to securities purchase agreements dated January 9, 2020, January 15, 2020, March 5, 2020 and March 19, 2020, (iii) an aggregate of 2,740,426 shares of Common Stock issued as payment for services and repayment of short-term loans and other accounts payable, including interest, (iv) up to 5,000,000 shares of Common Stock issuable upon exercise of a five-year warrant with an exercise price of $0.74 per share, subject to adjustment and issued pursuant to a warrant agreement with Aspire Capital Fund LLC (“Aspire”) and (v) up to 200,000 shares of Common stock issuable upon exercise of a three-year warrant with an exercise price of $1.00 per share, subject to adjustment and issued pursuant to a warrant agreement with Tailwinds Research Group LLC (“Tailwinds”).
We will not receive proceeds from the sale of the shares of Common Stock by the selling stockholders. To the extent the Aspire and Tailwinds warrants are exercised for cash, we will receive up to an aggregate of $3,900,000 in gross proceeds. We expect to use proceeds received from the exercise of the Aspire and Tailwinds warrants, if any, for general working capital and corporate purposes.
This Prospectus Supplement is being filed to update and supplement the information previously included in the Prospectus with the information contained in our Current Report on Form 8-K filed with the Securities and Exchange Commission (the “SEC”) on October 1, 2026. Accordingly, we have attached the 8-K to this prospectus supplement. You should read this prospectus supplement together with the prospectus, which is to be delivered with this prospectus supplement.
Any statement contained in the Prospectus shall be deemed to be modified or superseded to the extent that information in this Prospectus Supplement modifies or supersedes such statement. Any statement that is modified or superseded shall not be deemed to constitute a part of the Prospectus except as modified or superseded by this Prospectus Supplement.
This Prospectus Supplement should be read in conjunction with, and may not be delivered or utilized without, the Prospectus.
Our Common Stock is listed on the OTCQB Venture Capital Market under the ticker symbol “PRKR.”
Investing in our securities involves a high degree of risk. See “Risk Factors” beginning on page 6 of this prospectus for a discussion of information that should be considered in connection with an investment in our securities.
Neither the SEC nor any such authority has approved or disapproved these securities or determined whether this prospectus is truthful or complete. Any representation to the contrary is a criminal offense.
The date of this Prospectus Supplement is October 1, 2026.
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
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FORM 8-K
CURRENT REPORT
PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
Date of Report (Date of earliest event reported): October 1, 2026
PARKERVISION, INC.
(Exact Name of Registrant as Specified in Charter)
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Florida
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000-22904
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59-2971472
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(State or Other Jurisdiction of Incorporation)
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(Commission File Number)
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(IRS Employer Identification No.)
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4446-1A Hendricks Avenue Suite 354, Jacksonville, Florida
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32207
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(Address of Principal Executive Offices)
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(Zip Code)
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(904) 732-6100
(Registrant’s Telephone Number, Including Area Code)
N/A
(Former Name or Former Address, if Changed Since Last Report)
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):
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Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
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Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
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Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
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Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e 4(c))
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Securities registered pursuant to Section 12(b) of the Act:
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Title of Each Class
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Trading Symbol
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Name of Each Exchange on Which Registered
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None
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Indicate by check mark whether the registrant is an emerging growth company as defined in as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter.
Emerging growth company ☐
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐
Item 8.01 Other Events
On October 1, 2026, ParkerVision, Inc. (the “Company”) issued a press release announcing that the Court of Appeals for the Federal Circuit issued its order in the expedited appeal of the Company's patent infringement case against Qualcomm. A copy of the press release is attached as Exhibit 99.1 and is incorporated herein by reference.
The information contained in this Current Report on Form 8-K, including Exhibit 99.1 hereto, has been “furnished” and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to liability under that section. The information in this Current Report shall not be incorporated by reference into any filing or other document pursuant to the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such filing or document.
The Company will file prospectus supplements on Form 424B3 to update previously filed S-1 registration statements to maintain their effectiveness. These Form 424B3 filings typically follow the filing of the Company's periodic reports with the SEC, including Forms 8-K, and do not involve the issuance of any new securities by the Company.
Item 9.01. Financial Statements and Exhibits.
(d) Exhibits:
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Description |
| 99.1 |
Press Release |
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Cover Page Interactive Data File (embedded within the Inline XBRL document) |
SIGNATURE
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
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Dated: October 1, 2026
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PARKERVISION, INC.
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By /s/ Cynthia French
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Cynthia French
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Chief Financial Officer
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