Company: NEWTP
Filing Date: 2025-04-24
Form Type: DEFA14A
Source: 0001587987-25-000075
Chunk: 0

Company: NewtekOne, Inc.
Filing Date: 2025-04-24
Form: DEFA14A
Chunk 0
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### UNITED STATES

### SECURITIES AND EXCHANGE COMMISSION

#### WASHINGTON, DC 20549
#### __________________________

#### SCHEDULE 14A
<div align='center'>(RULE 14a-101)</div>

#### Information Required in Proxy Statement
#### __________________________

#### SCHEDULE 14A INFORMATION

#### Proxy Statement Pursuant to Section 14(a) of the

#### Securities Exchange Act of 1934
#### __________________________

Filed by the Registrant x

Filed by the Party other than the Registrant ¨

Check the appropriate box:

¨ Preliminary Proxy Statement

#### ¨

Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

¨ Definitive Proxy Statement

x Definitive Additional Materials

¨ Soliciting Material Pursuant to Rule 14a-11(c) or Rule 14a-12

#### NEWTEKONE, INC.
<div align='center'>(Exact Name of Company as Specified in its Charter)

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)</div>

Payment of Filing Fee (Check the appropriate box):

| S |     | No fee required.                                                                                    |
| £ |     | Fee paid previously with preliminary materials.                                                     |
| £ |     | Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11 |

4800 T-Rex Avenue Suite 120 Boca Raton, FL 33431 (855) 284-3722 | www.newtekone.com

<div align='center'>May 2, 2025</div>

To My Fellow Shareholders of NewtekOne, Inc.:

I am pleased to report that NewtekOne, Inc. is executing on its business strategy, and I would suggest that we are only in the early innings of this iteration of NewtekOne’s journey. We did not expect our early 2023 transformation from a business development company (BDC) to a financial holding company to be an easy one; the ongoing transformation has involved acquiring and converting a nationally chartered single branch bank with minimal, if any, digital infrastructure, into Newtek Bank, N.A. – a bank that not only supports digital deposit account opening, but also gives our independent business owner clients the tools and products to support their growth. The addition of Newtek Bank to the NewtekOne family just over