# EDGAR Filing Document

**Accession Number:** 0001411342
**File Stem:** 0001628280-26-000494
**Filing Date:** 2026-1
**Character Count:** 7598
**Document Hash:** 0ed5527b024f2e9a568346330b3d67b7
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001628280-26-000494.hdr.sgml**: 20260105

**ACCESSION NUMBER**: 0001628280-26-000494

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20251231

**FILED AS OF DATE**: 20260105

**DATE AS OF CHANGE**: 20260105

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Mumford Lisa
- **CENTRAL INDEX KEY:** 0001380384

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-34569
- **FILM NUMBER:** 26507023

**MAIL ADDRESS:**
- **STREET 1:** 6 BEACHWOOD COURT
- **CITY:** DIX HILLS
- **STATE:** NY
- **ZIP:** 11746
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Ellington Financial Inc.
- **CENTRAL INDEX KEY:** 0001411342
- **STANDARD INDUSTRIAL CLASSIFICATION:** REAL ESTATE [6500]
- **ORGANIZATION NAME:** 05 Real Estate & Construction
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 53 Forest Ave
- **CITY:** Greenwich
- **STATE:** CT
- **ZIP:** 06870
- **BUSINESS PHONE:** 203-698-1200

**MAIL ADDRESS:**
- **STREET 1:** 53 Forest Ave
- **CITY:** Greenwich
- **STATE:** CT
- **ZIP:** 06870

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Ellington Financial LLC
- **DATE OF NAME CHANGE:** 20070831

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

[ ] Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Mumford Lisa<br><sub>(Last) (First) (Middle)</sub><br>53 FOREST AVE<br><sub>(Street)</sub><br>GREENWICH, CT 06870<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2025-12-31 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [ ] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Ellington Financial Inc. [ EFC ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Common Stock | 2025-12-31 |  | A |  | 7657<sup>(1)(2)</sup> | A | $0 | 88773 | D |  |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| OP LTIP Units<sup>(3)</sup> | <sup>(1)</sup> | 2025-12-31 |  | M |  |  | 7657 | <sup>(4)</sup> | <sup>(4)</sup> | Common Units<sup>(4)</sup> | 7657 | 0<sup>(4)</sup> | 0 | D |  |

---

### Footnotes:

(1) On December 31, 2025, Ms. Mumford converted 7,657 OP LTIP Units (as defined below) that were previously granted to her on December 14, 2023 pursuant to, and are subject to the terms and conditions of Ellington Financial Inc.'s (the "Company") 2017 Equity Incentive Plan (the "Plan"), into 7,657 shares of common stock of the Company, $0.001 par value per share (the "Common Shares").

(2) Upon issuance, the 7,657 OP LTIP Units remained forfeitable, subject to Ms. Mumford's continued service as a member of the board of directors of the Company, until September 12, 2024. Once the vesting restrictions lapsed, the OP LTIP Units have been able to be converted, at the election of the holder, or at any time at the election of the Company, into limited liability company interests of Ellington Financial Operating Partnership LLC (the "Operating Partnership, the operating partnership of the Company,  designated as common units ("Common Units") on a one-for-one basis. Subject to certain conditions, the Common Units have been redeemable by the holder for an equivalent number of Common Shares or for the cash value of such Common Shares, at the Company's election. The OP LTIP Units were previously issued pursuant to, and are subject to the terms and conditions of the Plan. The rights to convert OP LTIP Units into Common Units and redeem such Common Units do not have expiration dates.

(3) Represents a separate non-voting class of limited liability company interests ("OP LTIP Units") of the Operating Partnership.

(4) Represents the conversion of outstanding vested OP LTIP Units into Common Units and the redemption of the Common Units for Common Shares pursuant to the terms thereof. The conversion and redemption do not represent or involve a disposition for value. The rights to convert OP LTIP Units into Common Units and redeem such Common Units do not have expiration dates.

**Signature:** /s/ Alaael-Deen Shilleh, as attorney-in-fact for Lisa Mumford  
**Date:** 2026-01-05

### Remarks:

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

**Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.**