[424B3] NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORP /DC/ Prospectus Filed Pursuant to Rule 424(b)(3)

Rhea-AI Filing Summary

National Rural Utilities Cooperative Finance Corporation is issuing a $2,000,000 Medium-Term Note, Series D, under its existing shelf program. The note is priced at 100% of principal, carries a fixed interest rate of 3.66% per annum, and will mature on November 15, 2026. Interest will be paid twice a year on January 15 and July 15, to holders of record on January 1 and July 1. There is no redemption feature and no agent’s commission on this issuance.

Legal counsel Hogan Lovells US LLP states that, once issued in accordance with board resolutions, the indenture, and applicable agreements, the note will be a valid and binding obligation of the company, subject to customary bankruptcy, insolvency, and equitable principles, and based on District of Columbia cooperative law and New York law.

Rule 424 (b) (3)

Registration No.: 333-275151

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION

Medium-Term Notes, Series D

Due Nine Months or More from Date of Issue

Trade Date			January 12, 2026
Pricing Supplement No.			10433
Pricing Supplement Date			January 12, 2026
Prospectus Supplement Date			October 27, 2023
Base Prospectus Date			October 24, 2023
Principal Amount			$2,000,000.00
Issue Price			100% of Principal Amount
Original Issue Date			January 15, 2026
Maturity Date			November 15, 2026
Interest Rate			3.66% per annum
Regular Record Dates			Each January 1 and July 1
Interest Payment Dates			Each January 15 and July 15
Redemption Date			None
Agents Commission			None
Form of Note: (Book-Entry or Certificated)			Certificated
Other Terms			None
Medium-Term Notes, Series D may be issued by the Company in an unlimited aggregate principal amount.

Validity of the Medium-Term Note

In the opinion of Hogan Lovells US LLP, as counsel to the Company, following (i) receipt by the Company of the consideration for the notes specified in applicable resolutions of the board of directors of the Company and (ii) the due execution, authentication, issuance and delivery of the notes pursuant to the terms of the indenture and the applicable underwriting, agency or distribution agreement against payment therefor, the notes offered by this pricing supplement will constitute valid and binding obligations of the Company, subject to the effect of (a) bankruptcy, insolvency, reorganization, receivership, moratorium and other laws affecting creditors’ rights and remedies (including, without limitation, the effect of statutory and other law regarding fraudulent conveyances and fraudulent, preferential or voidable transfers), and (b) the exercise of judicial discretion and the application of principles of equity, good faith, fair dealing, reasonableness, conscionability and materiality (regardless of whether the applicable agreements are considered in a proceeding in equity or at law), including, without limitation, principles limiting the availability of specific performance and injunctive relief.

This opinion is based as to matters of law solely on applicable provisions of the following, as currently in effect: (i) the District of Columbia General Cooperative Association Act of 2010 and (ii) the laws of the State of New York (but not including any laws, statutes, ordinances, administrative decisions, rules or regulations of any political subdivision below the state level). In addition, this opinion is subject to customary assumptions about the trustee’s authorization, execution and delivery of the indenture and its authentication of the notes and the validity, binding nature and enforceability of the indenture with respect to the trustee, all as stated in the letter of such counsel dated October 27, 2023, which has been filed as an exhibit to a Current Report on Form 8-K by the Company on October 27, 2023.

FAQ

What type of security is NRUC issuing in this 424B3 filing?

National Rural Utilities Cooperative Finance Corporation is issuing a Medium-Term Note, Series D, which is a debt security due nine months or more from the date of issue.

What are the main terms of NRUC's new medium-term note?

The note has a principal amount of $2,000,000, an issue price of 100% of principal, a fixed interest rate of 3.66% per annum, an original issue date of January 15, 2026, and a maturity date of November 15, 2026.

When are interest payments made on NRUC's 3.66% note?

Interest on the note is paid semiannually on January 15 and July 15. The corresponding record dates are January 1 and July 1.

Does NRUC's new medium-term note have a redemption feature or agent commission?

The pricing terms state there is no redemption date for this note and no agent’s commission associated with the offering.

What legal opinion supports the validity of NRUC's note?

Hogan Lovells US LLP opines that, after proper authorization, execution, authentication, issuance and delivery under the indenture and related agreements, the note will be a valid and binding obligation of NRUC, subject to customary bankruptcy and equity principles.

Which laws govern the validity of NRUC's medium-term note?

The legal opinion is based on the District of Columbia General Cooperative Association Act of 2010 and the laws of the State of New York, excluding local subdivisions’ laws.