Company: NEWTP
Filing Date: 2025-08-13
Form Type: 424B2
Source: 0001587987-25-000144
Chunk: 0

Company: NewtekOne, Inc.
Filing Date: 2025-08-13
Form: 424B2
Chunk 0
---
Filed Pursuant to Rule 424(b)(2)
Registration No. 333-269452

<div align='center'>This preliminary prospectus supplement relates to an effective registration statement under the Securities Act of 1933, but is not complete and may be changed. This preliminary prospectus supplement is not an offer to sell these securities and is not soliciting an offer to buy these securities in any jurisdiction where the offer or sale is not permitted.</div>

#### Subject to Completion
<div align='center'>Preliminary Prospectus Supplement Dated August 13, 2025</div>

PROSPECTUS SUPPLEMENT
(To Prospectus Dated July 27, 2023)

<div align='center'>[ ] Depositary Shares
Each Representing a 1/40th Interest in a Share of [ ]% Fixed-Rate Reset Non-Cumulative Perpetual Preferred Stock, Series B</div>

NewtekOne, Inc., a Maryland corporation (“NewtekOne” or the “Company”), is offering to sell [ ] depositary shares, each representing a 1/40th ownership interest in a share of [ ]% Fixed-Rate Reset Non-Cumulative Perpetual Preferred Stock, Series B, with a liquidation preference of $1,000 per share (equivalent to $25.00 per depositary share) of the Company (the “Preferred Stock”). The depositary shares are represented by depositary receipts. As a holder of depositary shares, you will be entitled to all proportional rights and preferences of the Preferred Stock (including dividend, voting, redemption and liquidation rights). You must exercise such rights through the depositary.

The Company will pay dividends on the Preferred Stock when, as and if declared by the Company’s board of directors (the “Board”) or a duly authorized committee of the Board and to the extent that the Company has lawfully available funds to pay dividends. Dividends will accrue on the liquidation preference of the Preferred Stock (i) from and including the original issuance date to, but excluding, October 1, 2030 (the “First Reset Date”), at a fixed rate equal to [ ]% per annum, and (ii) from and including the First Reset Date, during each reset period, at a rate per annum equal to the five-year treasury rate as of the most recent reset dividend determination date (as described herein) plus [ ]%. Dividends will be payable in arrears on January 1, April 1