Company: NEWTP
Filing Date: 2025-08-13
Form Type: 424B2
Source: 0001587987-25-000144
Chunk: 5

Company: NewtekOne, Inc.
Filing Date: 2025-08-13
Form: 424B2
Chunk 5
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• Definitive Proxy Statement on Schedule 14A filed on April 24, 2025;

• Quarterly Reports on Form 10-Q for the periods ended March 31, 2025 filed on May 12, 2025 and June 30, 2025 filed on August 8, 2025; and

• Current Reports on Forms 8-K, filed on January 2, 2025, January 3, 2025, January 6, 2025, February 26, 2025, March 20, 2025, March 31, 2025, April 1, 2025, April 9, 2025, April 23, 2025 (Accession No. 0001587987-25-000069), April 23, 2025 (Accession No. 0001587987-25-000071), May 6, 2025, June 6, 2025, June 16, 2025, June 25, 2025 and July 28, 2025 (other than the portions of those documents that are deemed “furnished” and not filed).

Each document or report filed by NewtekOne with the SEC pursuant to Section 13(a), 14, or 15(d) of the Exchange Act subsequent to the date of this prospectus supplement and prior to the termination of the offering of the depositary shares (other than any materials that are deemed “furnished” and not filed) is incorporated herein by reference.

NewtekOne will provide without charge to each person to whom a copy of this prospectus supplement is delivered, upon the written or oral request of any such person, a copy of any or all of the documents incorporated by reference herein. Requests should be directed to:

<div align='center'>NewtekOne, Inc.
4800 T Rex Avenue, Suite 120
Boca Raton, Florida 33431
(212) 356-9500

S-6</div>

### FORWARD-LOOKING STATEMENTS
This prospectus supplement, including information included or incorporated by reference into this prospectus supplement, contains forward-looking statements that involve substantial risks and uncertainties. These forward-looking statements are not historical facts, but rather are based on current expectations, estimates and projections about us, our industry, our beliefs, and our assumptions. Words such as “may,” “will,” “should,” “expects,”