RDNT 8-K: prospectus supplement for resale of 59,444 shares

Rhea-AI Filing Summary

RadNet, Inc. filed a prospectus supplement to its automatic shelf registration on Form S-3, registering for resale by selling stockholders up to 59,444 shares of its common stock. The filing states the shares may be sold from time to time by the referenced holders.

The company also filed a legal opinion from Reed Smith LLP covering the validity of the registered securities, included as Exhibit 5.1.

8-K Event Classification

2 items: 8.01, 9.01

2 items

Item 8.01 Other Events Other

Voluntary disclosure of events the company deems important to shareholders but not covered by other items.

Item 9.01 Financial Statements and Exhibits Exhibits

Financial statements, pro forma financial information, and exhibit attachments filed with this report.

Understanding 8-K Material Events →

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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) October 21, 2025

RadNet, Inc.

(Exact name of registrant as specified in its charter)

Delaware		001-33307		13-3326724
(State or other jurisdiction of incorporation)		(Commission File Number)		(IRS Employer Identification No.)

1510 Cotner Avenue
Los Angeles, California		90025
(Address of Principal Executive Offices)		(Zip Code)

Registrant’s Telephone Number, Including Area Code: (310) 445-2800

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:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ 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(s)	Name of each exchange on which registered
Common Stock, $0.0001 par value	RDNT	NASDAQ

Indicate by check mark whether the registrant is an emerging growth company 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 21, 2025, RadNet, Inc. (the “Company”) filed with the Securities and Exchange Commission, a prospectus supplement dated October 21, 2025 to the Company’s automatic shelf registration statement on Form S-3 (Registration No. 333-269025). The prospectus supplement was filed to register for resale from time to time by the selling stockholders referenced in the prospectus supplement of up to 59,444 shares of the Company’s common stock, par value $0.0001 per share.

In connection with the prospectus supplement, the Company is filing the opinion of its counsel, Reed Smith LLP, regarding the legality of the securities being registered, which opinion is attached as Exhibit 5.1 to this Current Report on Form 8-K.

Item 9.01.    Financial Statements and Exhibits.

    (d) Exhibits.

Exhibit No.	Description
5.1	Opinion of Reed Smith LLP.
23..1	Consent of Reed Smith LLP (included in Exhibit 5.1).
104	Cover Page Interactive Date File - the cover page XBRL tags are embedded within the Inline XBRL document.

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SIGNATURES

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.

Date: October 21, 2025	RADNET, INC.
	By:	/s/ Mark Stolper
		Mark Stolper
		Chief Financial Officer

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FAQ

What did RadNet (RDNT) announce in this 8-K?

RadNet filed a prospectus supplement to its Form S-3 to register for resale by selling stockholders up to 59,444 shares of common stock.

How many shares are covered for resale in RadNet’s prospectus supplement?

The supplement registers for resale up to 59,444 shares of RadNet common stock.

Who may sell the shares under this registration for RadNet (RDNT)?

The selling stockholders referenced in the prospectus supplement may sell the shares from time to time.

What legal document did RadNet file alongside the supplement?

RadNet filed the Reed Smith LLP legality opinion as Exhibit 5.1.

What form and registration framework does this relate to?

It relates to RadNet’s automatic shelf registration statement on Form S-3 (Registration No. 333-269025).

What is the trading symbol and exchange for RadNet’s common stock?

RadNet’s common stock trades on NASDAQ under the symbol RDNT.