Kartoon Studios registers 4.78M shares resale

Kartoon Studios, Inc. files a prospectus supplement to register the resale from time to time of 4,784,909 shares of Common Stock by identified selling stockholders.

Rhea-AI Filing Summary

Kartoon Studios, Inc. files a prospectus supplement to register the resale from time to time of 4,784,909 shares of Common Stock by identified selling stockholders.

The supplement substitutes Unterberg Legacy, LLC for Andrew Arno as a selling stockholder with a transferred warrant to purchase 80,000 shares. The supplement notes the Common Stock last traded at $0.75 per share on June 9, 2026.

Insights

Capital Markets Analyst

Administrative resale registration; substitution of a selling holder.

The prospectus supplement updates the selling stockholder table to reflect a transfer of a warrant for 80,000 shares to Unterberg Legacy, LLC, which is now listed as a selling stockholder. The registered resale amount remains 4,784,909 shares.

Timing and method of resale are driven by the selling holders; cash-flow treatment indicates proceeds will go to the selling holders, not the issuer. Subsequent filings would show any changes to holders or resale methods.

Key Figures

Registered shares: 4,784,909 shares Last reported sale price: $0.75 Transferred warrant (per-holder example): 80,000 shares +1 more

4 metrics

Registered shares 4,784,909 shares Resale registration (Prospectus Supplement No. 1)

Last reported sale price $0.75 Last reported sale price on NYSE American on <date>June 9, 2026</date>

Transferred warrant (per-holder example) 80,000 shares Warrant transferred to Unterberg Legacy, LLC as shown in selling stockholder table

Unterberg Legacy percent less than 1% Percent of outstanding Common Stock as stated in the table

Key Terms

Selling Stockholders, Prospectus Supplement, Warrant, Resale registration

4 terms

Selling Stockholders regulatory

"resale from time to time of up to 4,784,909 shares by the Selling Stockholders"

Selling stockholders are existing owners of a company's shares who are offering some or all of their holdings for sale, often as part of a public offering or secondary transaction. For investors this matters because such sales increase the number of shares available to buy, can signal how confident current owners are about future prospects, and may put short-term pressure on the stock price similar to more tickets being released for a popular event.

Prospectus Supplement regulatory

"This Prospectus Supplement No. 1 supplements the prospectus dated January 19, 2024"

A prospectus supplement is an additional document provided alongside a company's main offering details, offering updated or extra information about a specific financial product being sold. It helps investors understand the latest terms, risks, and details of the investment, similar to how an update or revision clarifies or expands on original instructions, ensuring they have current and complete information before making a decision.

Warrant financial

"transfer of a Warrant to purchase up to 80,000 shares of Common Stock"

A warrant is a time-limited financial contract that gives its holder the right to buy a company's shares at a set price before a specified date, like a coupon that lets you purchase stock at a fixed discount for a limited time. It matters to investors because warrants offer leveraged exposure to a stock’s upside and can dilute existing shareholders if exercised, so they affect potential gains and the company’s outstanding share count.

Resale registration regulatory

"relating to the resale from time to time of up to 4,784,909 shares"

Resale registration is the formal filing with securities regulators that allows previously restricted or privately held shares to be sold publicly. Think of it as getting official permission to unlock and list a sealed package of stock so it can be traded openly; that matters to investors because it increases liquidity, can change the number of shares available on the market, and reduces legal risk for sellers, all of which can affect a company’s share price.

Offering Details

resale/secondary · 4,784,909 shares

Offering

Offering Type resale/secondary

Securities Offered Common Stock

Offering Amount 4,784,909 shares

Use of Proceeds issuer_receives_no_resale_proceeds

FAQ

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

What does Kartoon Studios' prospectus supplement (TOON) register?

It registers the resale from time to time of 4,784,909 shares of Common Stock by selling stockholders. The supplement updates the selling stockholder table and substitutes an entity as a selling holder.

Who was added as a selling stockholder in the supplement?

Unterberg Legacy, LLC was substituted as a selling stockholder following a transfer of a warrant to purchase 80,000 shares from Andrew Arno; James Satloff is identified as the managing member with voting and investment power.

Will Kartoon Studios receive proceeds from the registered sales?

The supplement concerns resale by selling stockholders; the registration covers resale by those holders. The prospectus indicates proceeds treatment pertains to the selling stockholders rather than the issuer.

What recent market price is disclosed for TOON common stock?

The supplement reports the last reported sale price was $0.75 per share on June 9, 2026. This price is provided as a reference and is not a transaction price for the registered shares.

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

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Accepted by SEC EDGAR 06/12/2026 - 08:04 AM Learn about SEC filing dates

Filed Pursuant to Rule 424(b)(3)
Registration Statement No. 333-273427

PROSPECTUS SUPPLEMENT NO. 1

(to Prospectus dated January 19, 2024)

Kartoon Studios, Inc.

4,784,909 Shares of Common Stock

This Prospectus Supplement No. 1 supplements the prospectus dated January 19, 2024 (the “Prospectus”) relating to the resale from time to time of up to 4,784,909 shares (the “Shares”) of common stock, par value $0.001 per share (the “Common Stock”) of Kartoon Studios, Inc. (the Company”) by the Selling Stockholders identified in the Prospectus (the “Selling Stockholders”)

The purpose of this Prospectus Supplement No. 1 is solely to update the information in the table appearing under the caption “Selling Stockholders” commencing on page 9 of the Prospectus to reflect in the Selling Stockholder table a transfer of a Warrant to purchase up to 80,000 shares of Common Stock from Andrew Arno (“Arno”), a selling stockholder previously identified in the Prospectus, to Unterberg Legacy, LLC, another entity which as a result of such transfer is being substituted as a selling stockholder.

		Shares Beneficially Owned Prior to the Offering (1)				Number of Shares Being Registered		Shares Beneficially Owned after Sale of All Shares Registered Hereby
Name of Selling Stockholder		Number		Percent		Hereby (2)		Number		Percent
Unterberg Legacy, LLC (2)		80,000		*		80,000		—		—

__________________

*	Represents less than 1% of the outstanding Common Stock.
(1)	Assumes the exercise in full of the Warrant held by the selling stockholder, without regard to any limitations on exercise
(2)	James Satloff is the Managing Member of Unterberg Legacy, LLC and, as a result, maintains voting and investment power with respect to the securities held by Unterberg Legacy, LLC. The address of Unterberg Legacy, LLC is 10 Gracie Square, New York, NY 10028.

All of the other portions of the Prospectus remain unchanged.

This Prospectus Supplement No. 1 is not complete without, and may not be utilized except in connection with, the Prospectus, including any amendments or supplements thereto. This Prospectus Supplement No. 1 is qualified by reference to the Prospectus, except to the extent that the information provided by this Prospectus Supplement No. 1 supersedes information contained in the Prospectus. Capitalized terms used in this Prospectus Supplement No. 1 and not otherwise defined herein have the meanings specified in the Prospectus.

Our Common Stock is listed on The NYSE American LLC (the “NYSE American”) under the symbol “TOON.” On June 9, 2026, the last reported sale price of our Common Stock on the NYSE American was $0.75 per share.

Investing in our securities involves risks. See “Risk Factors” beginning on page 7 of the Prospectus.

Neither the Securities and Exchange Commission nor any state securities commission has approved or disapproved of these securities or passed upon the adequacy or accuracy of the Prospectus or this Prospectus Supplement No. 1. Any representation to the contrary is a criminal offense.

The date of this Prospectus Supplement No. 1 is June 10, 2026.