ParkerVision permits resale of up to 16.6M shares

Shareholders elected Jeffrey L. Parker and Anthony B. Bowers and ratified the accounting firm for the year ending December 31, 2026.

Rhea-AI Filing Summary

ParkerVision, Inc.’s prospectus permits selling shareholders to resell up to 16,638,353 shares of common stock issuable upon conversion of convertible promissory notes and, at the company’s option, for interest payments. The notes have a fixed conversion price of $0.13 per share. This supplement updates the prospectus with the company’s annual meeting results.

At the September 25, 2026 annual meeting, shareholders elected Jeffrey L. Parker as a Class I director for a term expiring at the 2029 annual meeting and Anthony B. Bowers as a Class II director for the remaining term expiring at the 2027 annual meeting. Shareholders also ratified Frazier & Deeter, LLC as the independent registered public accounting firm for the year ending December 31, 2026. The company had 148,226,874 common shares issued and outstanding and entitled to vote as of July 29, 2026.

Key Figures

Shares covered for resale: Up to 16,638,353 shares Fixed conversion price: $0.13 per share Shares issued and outstanding entitled to vote: 148,226,874 shares +3 more

6 metrics

Shares covered for resale Up to 16,638,353 shares Common stock issuable upon conversion of notes and, at the company’s option, for interest payments

Fixed conversion price $0.13 per share Convertible promissory notes

Shares issued and outstanding entitled to vote 148,226,874 shares As of July 29, 2026

Votes for Jeffrey L. Parker 21,862,556 votes Class I director election

Votes for Anthony B. Bowers 22,063,764 votes Class II director election

Votes for accounting firm ratification 93,703,944 votes Frazier & Deeter, LLC selection for the year ending December 31, 2026

Key Terms

convertible promissory notes, fixed conversion price, Broker Non-Vote, record date

4 terms

convertible promissory notes financial

"convertible promissory notes dated between May 10, 2022 and August 3, 2022"

A convertible promissory note is a loan a company takes that can later be turned into shares instead of being paid back in cash; think of lending money now in exchange for a voucher that can become ownership later. Investors care because it mixes credit risk and potential ownership upside—it can protect lenders if a company struggles while also diluting existing shareholders when converted, affecting future share value and investor returns.

fixed conversion price financial

"with a fixed conversion price of $0.13 per share"

Broker Non-Vote financial

"Votes For | Votes Against | Votes Withheld | Broker Non-Vote"

A broker non-vote happens when a brokerage firm holds shares in street name for a client but does not cast a ballot on a particular shareholder item because the broker lacks discretionary authority to vote that matter. Think of it like a person who owns a ticket but the ticket-holder refuses to vote on some issues; the share counts for ownership but not for that vote, which can affect whether proposals reach the required number of votes or a quorum.

record date technical

"The record date for shareholders entitled to notice of, and to vote at, the Annual Meeting was July 29, 2026."

The record date is the specific day when a company determines which shareholders are eligible to receive a dividend or participate in an upcoming vote. It’s like a cutoff date; if you own the stock on that day, you get the benefits or voting rights. This date matters because it decides who qualifies for certain company benefits.

Offering Details

secondary · Up to 16,638,353 shares

Offering

Offering Type secondary

Securities Offered Common stock

Offering Amount Up to 16,638,353 shares

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many PRKR shares are covered for resale?

The prospectus permits selling shareholders to resell up to 16,638,353 shares of ParkerVision common stock issuable upon conversion of the notes and, at the company’s option, for interest payments.

What were the PRKR annual meeting voting results?

Shareholders elected Jeffrey L. Parker, who received 21,862,556 votes for, 837,457 withheld, 71,479,395 broker non-votes, and zero against; Anthony B. Bowers received 22,063,764 for, 636,249 withheld, 71,479,395 broker non-votes, and zero against. They ratified Frazier & Deeter, LLC with 93,703,944 votes for, 51,229 against, and 424,235 abstentions.

What is the conversion price for PRKR’s convertible notes?

The notes dated between May 10, 2022 and August 3, 2022 have a fixed conversion price of $0.13 per share.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 09/28/2026 - 04:41 PM Accepted by SEC EDGAR 09/28/2026 - 04:39 PM Learn about SEC filing dates

Filed pursuant to Rule 424(b)(3)

Registration No. 333-266777

PROSPECTUS SUPPLEMENT No. 50

(to Prospectus dated August 22, 2022)

PARKERVISION, INC.

16,638,353 Shares of Common Stock

This Prospectus Supplement relates to the prospectus dated August 22, 2022, as amended and supplemented from time to time (the “Prospectus”), which permits the resale by the selling shareholders listed in the Prospectus of up to 16,638,353 shares of our common stock, par value $0.01 per share (“Common Stock”) issuable upon conversion of, and for the payment of interest from time to time at our option for convertible promissory notes dated between May 10, 2022 and August 3, 2022 with a fixed conversion price of $0.13 per share.

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 September 28, 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.

Investing in our securities involves a high degree of risk. See “Risk Factors” beginning on page 5 of this prospectus for a discussion of information that should be considered in connection with an investment in our securities.

Neither the Securities and Exchange Commission nor any state securities commission 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 September 28, 2026.

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

______________

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): September 25, 2026

PARKERVISION, INC.

(Exact Name of Registrant as Specified in Charter)

Florida	000-22904	59-2971472
(State or Other Jurisdiction of Incorporation)	(Commission File Number)	(IRS Employer Identification No.)

4446-1A Hendricks Avenue Suite 354, Jacksonville, Florida	32207
(Address of Principal Executive Offices)	(Zip Code)

(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):

☐	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e 4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of Each Class	Trading Symbol	Name of Each Exchange on Which Registered
None

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 5.07 - Submission of Matters to a Vote of Security Holders.

The Company held its Annual Meeting of Shareholders (the “Annual Meeting”) on September 25, 2026.  The record date for shareholders entitled to notice of, and to vote at, the Annual Meeting was July 29, 2026.  At the close of business on that date, the Company had 148,226,874 shares of common stock issued and outstanding and entitled to be voted at the Annual Meeting.  Two proposals were submitted to the Company’s shareholders at the Annual Meeting.  The proposals are described in more detail in the Company’s definitive proxy statement filed with the U.S. Securities and Exchange Commission on August 11, 2026.  The final voting results were as follows:

Proposal 1

The Company’s shareholders elected the following Class I Director to serve for a term expiring at the 2029 annual meeting.  The voting results are set forth below. 

	Votes For	Votes Against	Votes Withheld	Broker Non-Vote
Jeffrey L. Parker	21,862,556	0	837,457	71,479,395

The Company's shareholders also elected the following Class II Director to serve for the remaining Class II term expiring at the 2027 annual meeting.

	Votes For	Votes Against	Votes Withheld	Broker Non-Vote
Anthony B. Bowers	22,063,764	0	636,249	71,479,395

Proposal 2

The Company’s shareholders ratified the selection of Frazier & Deeter, LLC as the Company’s independent registered public accounting firm for the year ending December 31, 2026.  The voting results are set forth below.

Votes For	Votes Against	Votes Abstained	Broker Non-Vote
93,703,944	51,229	424,235	N/A

 Item 9.01. Financial Statements and Exhibits.

(d) Exhibits:

Exhibit	Description
104	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.

Dated: September 28, 2026

PARKERVISION, INC.

By /s/ Cynthia French

Cynthia French

Chief Financial Officer