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Medicus Pharma signs Pfizer deal for CD228V

Medicus Pharma Ltd. (MDCX) entered into a Co-Development and License Agreement with Pfizer Inc. for PF-08046031 (CD228V), an early clinical-stage antibody-drug conjugate targeting melanotransferrin (CD228).

(Moderate)
(Neutral)
Form Type
8-K

Rhea-AI Filing Summary

Medicus Pharma Ltd. (MDCX) entered into a Co-Development and License Agreement with Pfizer Inc. for PF-08046031 (CD228V), an early clinical-stage antibody-drug conjugate targeting melanotransferrin (CD228). Medicus receives an exclusive, sublicensable, worldwide license to develop, manufacture and commercialize CD228V and related products for all human diseases.

As consideration, Medicus paid Pfizer a $12.0 million non-refundable upfront payment and must pay an additional $15.0 million on the first anniversary of the effective date. Pfizer paid Medicus a $2.0 million non-refundable Development Funding Payment to be used solely for CD228V development activities. Pfizer is eligible for development, regulatory and sales-based milestone payments that in aggregate exceed $1.0 billion, plus tiered low double-digit royalties on annual Net Sales.

Medicus retains sole authority and bears the costs for development, regulatory approval, manufacturing and commercialization, while Pfizer keeps ownership of the patent rights and an economic interest via milestones, royalties and specified participation in change-of-control, sublicensing or other strategic transactions. Pfizer also holds an option to fund all or part of development from and after the first pivotal trial, subject to a separate definitive agreement.

Positive

  • Exclusive global license and co-development with Pfizer for CD228V gives Medicus control over development and commercialization while leveraging Pfizer’s IP and ongoing involvement, supported by a $2.0 million Development Funding Payment dedicated to CD228V research.

Negative

  • Medicus has significant payment obligations to Pfizer, including a $12.0 million upfront already paid, a further $15.0 million due on the first anniversary, and potential milestone payments exceeding $1.0 billion plus tiered low double-digit royalties on Net Sales.

Filing Explained

At the last reported operating outflow rate, June 30 cash equaled 197.7 days, while a $15.0 million payment remains due on the first anniversary.

The agreement became effective on September 2, 2026; Medicus retains sole responsibility for CD228V development costs and must make a $15.0 million non-refundable payment on the first anniversary, against $15,174,128 of cash reported at June 30, 2026.

At the last reported quarterly operating cash-outflow rate, that June 30 cash balance equals 197.7 days of the historical rate.

Sources and calculations
  • Available liquidity against the last reported quarterly operating outflow, in days at that rate $15,174,128 / ($6,983,441 / 91) = 197.7 days
Item 1.01 Entry into a Material Definitive Agreement Business
The company signed a significant contract such as a merger agreement, credit facility, or major partnership.
Item 9.01 Financial Statements and Exhibits Exhibits
Financial statements, pro forma financial information, or exhibit attachments filed with this report.
Upfront payment to Pfizer $12.0 million One-time, non-refundable payment paid on the effective date of the agreement
Additional payment to Pfizer $15.0 million One-time, non-refundable payment due on the first anniversary of the effective date
Development Funding Payment from Pfizer $2.0 million Non-refundable funding Pfizer paid to Medicus to be used solely for CD228V development activities
Potential milestone payments Over $1.0 billion Aggregate potential development, regulatory and sales milestone payments payable to Pfizer across multiple indications
Royalties on Net Sales Tiered low double-digit percentage Royalties Pfizer may receive on annual Net Sales on a product-by-product and country-by-country basis during the royalty term
antibody-drug conjugate medical
"PF-08046031 ("CD228V"), an early clinical-stage antibody-drug conjugate targeting"
An antibody-drug conjugate is a targeted medicine that combines an antibody, which can identify specific cells, with a powerful drug designed to destroy those cells. This approach allows for precise treatment, minimizing damage to healthy tissue. For investors, developments in this area can signal advances in cancer therapies and potential growth opportunities in the biotech sector.
royalty-bearing financial
"an exclusive, sublicensable, royalty-bearing, worldwide license under specified Pfizer"
An asset, contract, or revenue stream described as royalty-bearing requires regular payments calculated as a percentage or fixed fee based on sales, production, or use. For investors, this matters because such payments either reduce the cash an owner keeps from a product or create a predictable income stream for the party receiving the royalty—think of it like renting out a patent or mine where the operator pays the owner a portion of what they earn.
pivotal trial medical
"fund all or a portion of the development of a product from and after the first pivotal trial"
A pivotal trial is a key test of a new medicine or treatment to see if it works and is safe enough to be approved by health authorities. It's like a final exam for a new product, and passing it is essential for bringing the treatment to the public.
Net Sales financial
"low double-digit royalties on Net Sales per calendar year"
Net sales is the total money a company earns from selling its goods or services after subtracting returns, discounts, and allowances — like a store counting the cash it actually keeps after refunds and coupons. Investors use net sales to gauge true customer demand and the real size of a business’s revenue stream, since it forms the basis for profit margins, growth trends, and comparisons between companies.
change of control financial
"portion of specified consideration payable in connection with a change of control of the Company"
A change of control occurs when the ownership or management of a company shifts significantly, such as through a sale, merger, or acquisition, resulting in new leadership or ownership structure. This change can impact the company's direction and decision-making, which is important for investors because it may affect the company's stability, strategy, and future prospects.

FAQ

What agreement did MDCX enter into with Pfizer?

Medicus Pharma Ltd. entered into a Co-Development and License Agreement with Pfizer Inc., granting Medicus an exclusive worldwide license to develop, manufacture and commercialize CD228V, an early clinical-stage antibody-drug conjugate targeting melanotransferrin (CD228), for all human diseases.

How much is MDCX paying Pfizer under the new CD228V agreement?

Medicus paid Pfizer a $12.0 million non-refundable upfront payment and must pay an additional $15.0 million on the first anniversary of the effective date. Pfizer is also eligible for development, regulatory and sales-based milestone payments that in aggregate exceed $1.0 billion plus tiered royalties.

What funding does MDCX receive from Pfizer for CD228V development?

On the effective date, Pfizer paid Medicus a $2.0 million non-refundable Development Funding Payment. Medicus is required to apply this amount solely to fund development activities for CD228V and products incorporating it under the development plan in the agreement.

Who controls development and commercialization of CD228V for MDCX?

Medicus retains sole authority and responsibility for the development, manufacture, regulatory approval and commercialization of CD228V and related products, including associated costs and expenses. Pfizer does not have approval, consent, veto or other decision-making rights over development activities.

What future economics can Pfizer receive from MDCX’s CD228V program?

Pfizer may receive development and regulatory milestones, sales-based milestones tied to annual and cumulative Net Sales thresholds, and tiered low double-digit royalties on annual Net Sales. Pfizer is also entitled to a portion of specified consideration in certain change-of-control, sublicensing or strategic transactions.

Does Pfizer have an option to further fund MDCX’s CD228V trials?

Yes. Pfizer has the right, but not the obligation, to elect to fund all or part of development of a product from and after the first pivotal trial. Any such funding would require negotiating and executing a separate definitive agreement, and neither party is obligated to agree to particular terms.

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

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Learn about SEC filing dates

false 2026-09-02 0001997296 Medicus Pharma Ltd. 0001997296 2026-09-02 2026-09-02 0001997296 exch:XNCM mdcx:CommonSharesNoParValueMember 2026-09-02 2026-09-02 0001997296 exch:XNCM mdcx:WarrantsEachExercisableForOneCommonShareAtAnExercisePriceOfFourPointSixFourPerShareMember 2026-09-02 2026-09-02

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 2, 2026

MEDICUS PHARMA LTD.
(Exact name of registrant as specified in its charter)

Ontario 001-42408 98-1778211
(State or other jurisdiction (Commission (IRS Employer
of incorporation) File Number) Identification No.)

300 Conshohocken State Road, Suite 200
Conshohocken, Pennsylvania, United States 19428
(Address of principal executive offices) (ZIP Code)

Registrant's telephone number, including area code: (610) 540-7515

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 Symbols   Name of each exchange on which registered
Common shares, no par value   MDCX   NASDAQ Capital Market
Warrants, each exercisable for one common share at an exercise price of $4.64 per share   MDCXW   NASDAQ Capital Market

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 1.01. Entry into a Material Definitive Agreement.

On September 2, 2026, Medicus Pharma Ltd. (the "Company"), through its wholly owned subsidiary, Medicus Pharma Inc., entered into a Co-Development and License Agreement (the "Agreement") with Pfizer Inc. ("Pfizer"). Under the Agreement, Pfizer granted the Company, subject to certain rights retained by Pfizer and other qualifications contained in the Agreement, an exclusive, sublicensable, royalty-bearing, worldwide license under specified Pfizer patent rights, and a non-exclusive, sublicensable, royalty-bearing, worldwide license under related platform patent rights and know-how, in each case to develop, manufacture and commercialize PF-08046031 ("CD228V"), an early clinical-stage antibody-drug conjugate targeting melanotransferrin (CD228), and products incorporating it, for the treatment, prevention, diagnosis, control and maintenance of all human diseases and disorders. The Agreement is structured as a co-development arrangement, under which Pfizer is expected to remain involved in the CD228V program following the effective date. Pfizer is contributing funding toward the Company's development activities through the Development Funding Payment (as defined below), will receive the Company's development plan, development budget and periodic progress reports for the program, has the right to review and comment on those plans and budgets and to meet with the Company periodically to discuss the program, and holds an option to elect to fund all or a portion of the development of a product from and after the first pivotal trial for such product, in each case as described below. Pfizer also retains ownership of the licensed patent rights, which are to be prosecuted and maintained in Pfizer's name, and will continue to participate in the program economically through the milestone payments, royalties and other payments described below. The Company, however, retains sole authority over and control of the development, manufacture, regulatory approval and commercialization of CD228V and products incorporating it, as described below.

As consideration for the licenses and rights granted under the Agreement, the Company paid Pfizer a one-time, non-refundable upfront payment of $12.0 million on the effective date of the Agreement and is obligated to pay an additional one-time, non-refundable payment of $15.0 million on the first anniversary of the effective date. In addition, on the effective date of the Agreement, Pfizer paid the Company a one-time, non-refundable payment of $2.0 million (the "Development Funding Payment"), which the Company is required to apply solely to fund development activities for CD228V and products incorporating it under the development plan contemplated by the Agreement.

Pfizer is also eligible to receive development and regulatory milestone payments upon the achievement of specified clinical and regulatory events across multiple indications, as well as sales-based milestone payments upon the achievement of specified annual and cumulative net sales thresholds. In addition, Pfizer is eligible to receive tiered royalties on annual net sales of products on a product-by-product and country-by-country basis during the applicable royalty term. The aggregate potential development, regulatory and sales milestone payments under the Agreement exceed $1.0 billion, assuming achievement of all applicable milestones across multiple indications and commercial thresholds, and low double-digit royalties on Net Sales per calendar year.


The Company may grant sublicenses under the Agreement, subject to the terms and conditions set forth therein, and is obligated to use commercially reasonable efforts to develop and commercialize products in specified major market countries. The Company retains sole authority over and control of, and sole responsibility for the costs and expenses of, the development, manufacture, regulatory approval and commercialization of CD228V and products incorporating it. Pfizer does not have any approval, consent, veto or other decision-making right with respect to development activities. The Company is also required to notify Pfizer upon determining to initiate the first pivotal trial for a product, or to enter into a transaction pursuant to which a third party would fund all or a material portion of the development of a product from and after the first pivotal trial, and Pfizer has the right, but not the obligation, to elect to fund all or a portion of those development activities. Any such funding would be subject to the negotiation and execution of a separate definitive agreement, including as to the amount and schedule of funding and the consideration payable to Pfizer, and neither party is obligated to enter into any such agreement or to agree to any particular term.

The Agreement also provides that Pfizer is entitled to receive a portion of specified consideration payable in connection with a change of control of the Company or sublicensing of, or certain other strategic transactions involving the licensed program. The Agreement contains certain termination provisions as described therein and sets forth the Company's obligations to transfer certain property and licenses to Pfizer in certain termination events. Unless earlier terminated in accordance with its terms, the Agreement continues in effect on a product-by-product and country-by-country basis until expiration of the applicable royalty term.

The foregoing description of the Agreement does not purport to be complete and is qualified in its entirety by reference to the full text of the Agreement, a copy of which is filed as Exhibit 10.1 to this Current Report on Form 8-K and is incorporated herein by reference.


Item 9.01. Financial Statements and Exhibits.

(d) Exhibits.

Exhibit
No.
  Description
10.1*#   Co-Development and License Agreement, dated September 2, 2026, by and between Medicus Pharma Inc. and Pfizer Inc.
104   Cover Page Interactive Data File (embedded with the Inline XBRL document).

* Certain portions of this exhibit have been redacted pursuant to Item 601(b)(2)(ii) of Regulation S-K. The Company agrees to furnish supplementally an unredacted copy of the exhibit to the Securities and Exchange Commission upon its request.

# Certain schedules and exhibits have been omitted in accordance with Item 601(a)(5) of Regulation S-K. A copy of any omitted schedule and/or exhibit will be furnished to the Securities and Exchange Commission upon request.


Forward Looking Statements

This Current Report on Form 8-K contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended, and the Private Securities Litigation Reform Act of 1995, as amended. Such forward-looking statements include, but are not limited to, statements regarding the Agreement and the anticipated benefits thereof, the Company's plans and expectations relating to the development, manufacture and commercialization of CD228V across human therapeutic indications, the Company's ability to satisfy its payment obligations under the Agreement, the Company's expectations regarding Pfizer's continued involvement in the co-development of CD228V, the Company's receipt and application of the Development Funding Payment, Pfizer's option to fund development activities from and after the first pivotal trial for a product and the parties' ability to negotiate and enter into any agreement with respect to such funding, the future development, regulatory and commercial milestone payments and tiered royalties potentially payable to Pfizer, and the Company's rights to sublicense CD228V and to pursue strategic development and commercialization partnerships. All statements, other than statements of historical fact, are statements that could be deemed forward-looking statements. In addition, forward-looking statements are typically identified by words such as "plan," "believe," "goal," "target," "aim," "expect," "anticipate," "intend," "outlook," "estimate," "forecast," "project," "continue," "could," "may," "might," "possible," "potential," "predict," "should," "would" and other similar words and expressions, although the absence of these words or expressions does not mean that a statement is not forward-looking. Forward-looking statements are based on the current expectations and beliefs of the Company's management and are inherently subject to a number of factors, risks, uncertainties and assumptions and their potential effects. There can be no assurance that future developments will be those that have been anticipated. Actual results may vary materially from those expressed or implied by forward-looking statements based on a number of factors, risks, uncertainties and assumptions, including the risks and uncertainties detailed from time to time in the Company's filings with the SEC. Potential investors, shareholders and other readers are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date on which they were made. The Company does not assume any obligation to publicly update any forward-looking statement after it was made, whether as a result of new information, future events or otherwise, except as required by law or regulation. Investors are referred to the full discussion of risks and uncertainties associated with forward-looking statements and the discussion of risk factors contained in the Company's filings with the SEC, which are available at www.sec.gov.


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.

  MEDICUS PHARMA LTD.
     
  By: /s/ Raza Bokhari
    Raza Bokhari
    Executive Chairman and Chief Executive Officer
     
Date: September 3, 2026    


Filing Exhibits & Attachments

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