# EDGAR Filing Document

**Accession Number:** 0000893538
**File Stem:** 9999999995-25-003863
**Filing Date:** 2025-12
**Character Count:** 1426
**Document Hash:** 262eb46de9db0ac10bd6028ca44fe683
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**9999999995-25-003863.hdr.sgml**: 20251222

**ACCESSION NUMBER**: 9999999995-25-003863

**CONFORMED SUBMISSION TYPE**: EFFECT

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20251219

**DATE AS OF CHANGE**: 20251222

**EFFECTIVENESS DATE**: 20251219

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** SM Energy Co
- **CENTRAL INDEX KEY:** 0000893538
- **STANDARD INDUSTRIAL CLASSIFICATION:** CRUDE PETROLEUM & NATURAL GAS [1311]
- **ORGANIZATION NAME:** 01 Energy & Transportation
- **EIN:** 410518430
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** EFFECT
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-291956
- **FILM NUMBER:** 251589152

**BUSINESS ADDRESS:**
- **STREET 1:** 1700 LINCOLN STREET
- **STREET 2:** SUITE 3200
- **CITY:** DENVER
- **STATE:** CO
- **ZIP:** 80203
- **BUSINESS PHONE:** 303-861-8140

**MAIL ADDRESS:**
- **STREET 1:** 1700 LINCOLN STREET
- **STREET 2:** SUITE 3200
- **CITY:** DENVER
- **STATE:** CO
- **ZIP:** 80203

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** ST MARY LAND & EXPLORATION CO
- **DATE OF NAME CHANGE:** 19940228

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

## Notice of Effectiveness

**Date:** December 19, 2025

**Time:** 16:00:00

**Form Type:** S-4

---

**CIK:** 0000893538

**Company Name:** SM Energy Co

**File Number:** 333-291956