MDCX expands equity ATM to $50M

MDCX amends its prospectus supplement to offer common shares having an aggregate offering price of up to $50,000,000 under an amended equity distribution agreement dated April 23, 2026.

Rhea-AI Filing Summary

MDCX amends its prospectus supplement to offer common shares having an aggregate offering price of up to $50,000,000 under an amended equity distribution agreement dated April 23, 2026. The Sales Agreement names Maxim Group LLC and Yorkville Securities, LLC as Agents. The company’s common shares trade on Nasdaq under MDCX; the prospectus cites a closing share price of $0.339 and Public Warrants closing at $0.2901 as of April 22, 2026.

Key Figures

Aggregate offering price: $50,000,000 Common share closing price: $0.339 Public Warrant closing price: $0.2901 +2 more

5 metrics

Aggregate offering price $50,000,000 aggregate offering price of common shares under amended Sales Agreement

Common share closing price $0.339 closing price as reported by Nasdaq on April 22, 2026

Public Warrant closing price $0.2901 closing price for Public Warrants as reported by Nasdaq on April 22, 2026

Public Warrant exercise price $4.64 stated exercise price for the Public Warrants

Public Warrant expiration November 15, 2029 expiration date for the Public Warrants

Key Terms

equity distribution agreement, Sales Agreement, Public Warrants, prospectus supplement

4 terms

equity distribution agreement regulatory

"entered into with Maxim Group LLC and Yorkville Securities, LLC"

An equity distribution agreement is a formal plan between a company and financial institutions to sell newly issued shares of the company's stock to investors over a period of time. It helps the company raise money gradually, similar to filling a container with water in stages, rather than all at once. For investors, it provides an organized way to buy shares and can influence the stock's supply and price.

Sales Agreement regulatory

"as amended by amendment no. 1 to the equity distribution agreement dated April 23, 2026"

A sales agreement is a written contract that sets out the terms for selling goods, services, or assets, specifying price, delivery, payment schedule and responsibilities of each side. For investors it matters because it creates a predictable stream of revenue or cash obligations, clarifies timing and risk, and can change a company’s value or forecasts much like a signed order turns a customer’s verbal intent into a firm commitment.

Public Warrants financial

"Public Warrants, with an exercise price of $4.64 and expiration date of November 15, 2029"

Public warrants are tradable securities that give the holder the right to buy a company’s stock at a fixed price before a set expiration date. Like a coupon that lets you purchase shares later at a preset price, they matter to investors because using them can bring new cash into the company but also increase the total number of shares outstanding, which can dilute existing ownership and influence the stock’s price and potential gains.

prospectus supplement regulatory

"This prospectus supplement amends and supplements the information in our prospectus"

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.

FAQ

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

What offering did MDCX file in the April 23, 2026 prospectus supplement?

MDCX filed a prospectus supplement to offer common shares with an aggregate offering price of $50,000,000. The sales will occur under an amended equity distribution agreement with Maxim Group LLC and Yorkville Securities, LLC acting as Agents.

How will MDCX sell the offered shares under the amended plan?

The company may sell common shares from time to time through the Agents acting as sales agents and/or principals under the amended Sales Agreement. The supplement amends the Base Prospectus and Initial Prospectus Supplement to update the aggregate offering price.

What Nasdaq symbols and prices are cited in the supplement for MDCX securities?

The supplement lists the common shares under MDCX and Public Warrants under MDCXW. It reports closing prices on April 22, 2026 of $0.339 per common share and $0.2901 per Public Warrant.

Do the Public Warrants have stated exercise terms in the supplement?

Yes. The Public Warrants carry an exercise price of $4.64 and an expiration date of November 15, 2029, as stated in the prospectus supplement amendment.

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

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Accepted by SEC EDGAR 04/23/2026 - 05:10 PM Learn about SEC filing dates

Filed Pursuant to Rule 424(b)(3)
Registration No. 333-292475

AMENDMENT NO. 1 dated April 23, 2026
to PROSPECTUS SUPPLEMENT dated December 31, 2025
(To Prospectus dated December 29, 2025)

Up to $50,000,000
Common Shares

This prospectus supplement amends and supplements the information in our prospectus dated December 29, 2025 (the "Base Prospectus"), as supplemented by our prospectus supplement dated December 31, 2025 (the "Initial Prospectus Supplement" and together with the Base Prospectus, the "Prospectus"), filed pursuant to our registration statement on Form S-3 (File No. 333-292475) (the "Registration Statement"), covering the offering, issuance and sale by us of our common shares, no par value (the "common shares"),  that may be issued and sold under the equity distribution agreement entered into with Maxim Group LLC ("Maxim") and Yorkville Securities, LLC ("Yorkville") (each of Maxim and Yorkville individually an "Agent" and together, the "Agents"), dated December 29, 2025, as amended by amendment no. 1 to the equity distribution agreement dated April 23, 2026 (as amended, the "Sales Agreement"). This prospectus supplement should be read in conjunction with the Prospectus, and is qualified by reference thereto, except to the extent that the information herein amends or supersedes the information contained in the Prospectus. This prospectus supplement is not complete without, and may only be delivered or utilized in connection with, the Prospectus, and any future amendments or supplements thereto.

 We are filing this prospectus supplement to amend the Prospectus to update the amount aggregate offering price of the common shares that we are offering for sale. In accordance with the terms of the Sales Agreement, as it has been amended, we may offer and sell our common shares having an aggregate offering price of up to $50,000,000 from time to time through the Agents acting as sales agents and/or principals.

Our common shares and public warrants, with an exercise price of $4.64 and expiration date of November 15, 2029 (the "Public Warrants"), are listed on the Nasdaq Capital Market ("Nasdaq") under the symbols "MDCX" and "MDCXW", respectively. On April 22, 2026, the closing price of our common shares as reported by Nasdaq was $0.339 per share and the closing price of our Public Warrants as reported by Nasdaq was $0.2901 per Public Warrant.

Investing in our common shares involves a high degree of risk. See "Risk Factors" beginning on page S-12 of the Initial Prospectus Supplement and under similar headings in the documents incorporated by reference into this prospectus supplement.

Neither the Securities and Exchange Commission nor any state securities commission has approved or disapproved of these securities or determined if this prospectus supplement is truthful or complete. Any representation to the contrary is a criminal offense.

Maxim Group LLC Yorkville Securities

The date of this prospectus supplement is April 23, 2026.