# EDGAR Filing Document

**Accession Number:** 0001055160
**File Stem:** 0001140361-26-015393
**Filing Date:** 2026-4
**Character Count:** 2603
**Document Hash:** 5f60cd37aeade88be43a119f7793b4f6
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001140361-26-015393.hdr.sgml**: 20260417

**ACCESSION NUMBER**: 0001140361-26-015393

**CONFORMED SUBMISSION TYPE**: DEFA14A

**PUBLIC DOCUMENT COUNT**: 3

**FILED AS OF DATE**: 20260417

**DATE AS OF CHANGE**: 20260417

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** MFA FINANCIAL, INC.
- **CENTRAL INDEX KEY:** 0001055160
- **STANDARD INDUSTRIAL CLASSIFICATION:** REAL ESTATE INVESTMENT TRUSTS [6798]
- **ORGANIZATION NAME:** 05 Real Estate & Construction
- **EIN:** 133974868
- **STATE OF INCORPORATION:** MD
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** DEFA14A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-13991
- **FILM NUMBER:** 26872031

**BUSINESS ADDRESS:**
- **STREET 1:** 350 PARK AVENUE
- **STREET 2:** 20TH FL
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10022
- **BUSINESS PHONE:** 2122076400

**MAIL ADDRESS:**
- **STREET 1:** 350 PARK AVE
- **STREET 2:** 20TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10022

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** MFA MORTGAGE INVESTMENTS
- **DATE OF NAME CHANGE:** 20020809

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** AMERICA FIRST MORTGAGE INVESTMENTS INC
- **DATE OF NAME CHANGE:** 19980211

#### UNITED STATES

#### SECURITIES AND EXCHANGE COMMISSION

#### Washington, D.C. 20549

### SCHEDULE 14A

#### (Rule 14a-101)

#### Information Required in Proxy Statement
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;

### SCHEDULE 14A INFORMATION

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

#### Securities Exchange Act of 1934

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Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐

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| | |
|:---|:---|
| Check the appropriate box: | 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 |
| ☒ | Definitive Additional Materials |
| ☐ | Soliciting Material Pursuant to §240.14a-12 |

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### MFA FINANCIAL, INC.

#### (Name of registrant as specified in its charter)

#### <br>

#### (Name of person(s) filing proxy statement, if other than the registrant)

#### <br>

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| | |
|:---|:---|
| Payment of Filing Fee (Check the appropriate box): | Payment of Filing Fee (Check the appropriate box): |
| ☒ | 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 |

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