# EDGAR Filing Document

**Accession Number:** 0001349436
**File Stem:** 0001140361-26-017134
**Filing Date:** 2026-4
**Character Count:** 2158
**Document Hash:** 995bfbfb3ddb0ee42edb6b2ed2fff259
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001140361-26-017134.hdr.sgml**: 20260427

**ACCESSION NUMBER**: 0001140361-26-017134

**CONFORMED SUBMISSION TYPE**: DEFA14A

**PUBLIC DOCUMENT COUNT**: 3

**FILED AS OF DATE**: 20260427

**DATE AS OF CHANGE**: 20260427

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** SANDRIDGE ENERGY INC
- **CENTRAL INDEX KEY:** 0001349436
- **STANDARD INDUSTRIAL CLASSIFICATION:** CRUDE PETROLEUM & NATURAL GAS [1311]
- **ORGANIZATION NAME:** 01 Energy & Transportation
- **EIN:** 208084793
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** DEFA14A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-33784
- **FILM NUMBER:** 26901523

**BUSINESS ADDRESS:**
- **STREET 1:** 1 E. SHERIDAN AVE
- **STREET 2:** SUITE 500
- **CITY:** OKLAHOMA CITY
- **STATE:** OK
- **ZIP:** 73104
- **BUSINESS PHONE:** 405-429-5500

**MAIL ADDRESS:**
- **STREET 1:** 1 E. SHERIDAN AVE
- **STREET 2:** SUITE 500
- **CITY:** OKLAHOMA CITY
- **STATE:** OK
- **ZIP:** 73104

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** RIATA ENERGY INC
- **DATE OF NAME CHANGE:** 20060111

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### UNITED STATES

### SECURITIES AND EXCHANGE COMMISSION

#### Washington, D.C. 20549

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### SCHEDULE 14A

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

#### Securities Exchange Act of 1934

#### <br>
Filed by the Registrant ☒ Filed by a 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

☒ Definitive Additional Materials

☐ Soliciting Material Pursuant to §240.14a-12

## SANDRIDGE ENERGY, INC.

#### (Name of Registrant as Specified In Its Charter)

#### (Name of Person(s) Filing Proxy Statement, if other than the Registrant)

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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