Company: NEWTP
Filing Date: 2025-08-13
Form Type: 424B2
Source: 0001587987-25-000144
Chunk: 153

Company: NewtekOne, Inc.
Filing Date: 2025-08-13
Form: 424B2
Chunk 153
---
2023 , January 24, 2023 , February 7, 2023 , February 27, 2023 , February 27, 2023 , March 6, 2023 , April 6, 2023 , April 19. 2023 , May 16, 2023 , May 19, 2023 , May 30, 2023 , June 14, 2023 , June 16, 2023 , June 27, 2023 and July 7, 2023 ; and

• the description of our common stock contained in our Registration Statement on Form 8-A (File No. 001-36742), as filed with the SEC on November 12, 2014 , including any amendment or report filed for the purpose of updating such description.

To obtain copies of these filings, see “Available Information,” or you may request a copy of these filings (other than exhibits, unless the exhibits are specifically incorporated by reference into these documents) at no cost by writing or calling the following address and telephone number:

<div align='center'>NewtekOne, Inc.

4800 T Rex Avenue, Suite 120

Boca Raton, Florida 33431

(212) 356-9500</div>

You should rely only on the information incorporated by reference or provided in this prospectus or any prospectus supplement. We have not authorized anyone to provide you with different or additional information, and you should not rely on such information if you receive it. We are not making an offer of or soliciting an offer to buy, any securities in any state or other jurisdiction where such offer or sale is not permitted. You should not assume that the information in this prospectus or in the documents incorporated by reference is accurate as of any date other than the date on the front of this prospectus or those documents.

<div align='center'>56</div>

[ ] Depositary Shares Each Representing a 1/40th Interest in a Share of [ ]% Fixed-Rate Reset Non-Cumulative Perpetual Preferred Stock, Series B PROSPECTUS SUPPLEMENT August [ ], 2025 Joint Book-Running Managers

| Keefe, Bruyette & WoodsA Stifel Company |     |               |     | Raymond James      |
|                                         |     | Lead Managers |     |                    |
| Janney Montgomery Scott                 |     |               |     | Siebert            |
| B. Riley Securities                     |