# EDGAR Filing Document

**Accession Number:** 0001777050
**File Stem:** 0001777050-26-000002
**Filing Date:** 2026-2
**Character Count:** 6912
**Document Hash:** dd2819d59da87fc64c28ea6da901ba3d
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001777050-26-000002.hdr.sgml**: 20260225

**ACCESSION NUMBER**: 0001777050-26-000002

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260219

**FILED AS OF DATE**: 20260225

**DATE AS OF CHANGE**: 20260225

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Quanci John F
- **CENTRAL INDEX KEY:** 0001777050

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-35243
- **FILM NUMBER:** 26680006

**MAIL ADDRESS:**
- **STREET 1:** 1011 WARRENVILLE ROAD STE 600
- **CITY:** LISLE
- **STATE:** IL
- **ZIP:** 60532
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** SunCoke Energy, Inc.
- **CENTRAL INDEX KEY:** 0001514705
- **STANDARD INDUSTRIAL CLASSIFICATION:** STEEL WORKS, BLAST FURNACES  ROLLING MILLS (COKE OVENS) [3312]
- **ORGANIZATION NAME:** 04 Manufacturing
- **EIN:** 900640593
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 1011 WARRENVILLE ROAD
- **STREET 2:** SUITE 600
- **CITY:** LISLE
- **STATE:** IL
- **ZIP:** 60532
- **BUSINESS PHONE:** 630-824-1000

**MAIL ADDRESS:**
- **STREET 1:** 1011 WARRENVILLE ROAD
- **STREET 2:** SUITE 600
- **CITY:** LISLE
- **STATE:** IL
- **ZIP:** 60532

### 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>Quanci John F<br><sub>(Last) (First) (Middle)</sub><br>1011 WARRENVILLE ROAD<br>STE 600<br><sub>(Street)</sub><br>LISLE, IL 60532<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-02-19 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [ ] 10% Owner<br>[X] Officer (give title below) [ ] Other (specify below)<br>_Chief Technology Officer_ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>SunCoke Energy, Inc. [ SXC ] | **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<sup>(1)</sup> | 2026-02-23 |  | M |  | 5530 | A | $6.22 | 25452 | D |  |
| Common Stock | 2026-02-23 |  | D |  | 5530 | D | $6.22 | 19922 | D |  |
| Common Stock<sup>(1)</sup> | 2026-02-23 |  | M |  | 4963 | A | $6.22 | 24885 | D |  |
| Common Stock | 2026-02-23 |  | D |  | 4963 | D | $6.22 | 19922 | D |  |
| Common Stock<sup>(1)</sup> | 2026-02-23 |  | M |  | 5501 | A | $6.22 | 25423 | D |  |
| Common Stock | 2026-02-23 |  | D |  | 5501 | D | $6.22 | 19922 | 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 |
| RSUs (02.23.2023)<sup>(2)</sup> | <sup>(3)</sup> | 2026-02-23 |  | M |  |  | 5530 | 2024-02-23 | 2026-02-23 | Common Stock | 5530 | <sup>(3)</sup> | 0 | D |  |
| RSUs (02.22.2024)<sup>(2)</sup> | <sup>(3)</sup> | 2026-02-23 |  | M |  |  | 4963 | 2025-02-22 | 2027-02-22 | Common Stock | 4963 | <sup>(3)</sup> | 4963 | D |  |
| RSUs (02.21.2025)<sup>(2)</sup> | <sup>(3)</sup> | 2026-02-23 |  | M |  |  | 5501 | 2026-02-21 | 2028-02-21 | Common Stock | 5501 | <sup>(3)</sup> | 11101 | D |  |
| RSUs (02.19.2026)<sup>(2)</sup> | <sup>(3)</sup> | 2026-02-19 |  | A |  | 24828 |  | 2027-02-19 | 2029-02-19 | Common Stock | 74484 | $0 | 24828 | D |  |

---

### Footnotes:

(1) Vesting and settlement in cash of previously granted restricted stock units.

(2) Grant of restricted share units awarded pursuant to the SunCoke Energy, Inc. Omnibus Long-Term Incentive Plan in a transaction exempt under Rule 16b-3. The restricted share units vest in three equal annual installments on the first, second and third anniversary of the grant date.

(3) Conversion rate is 1 for 1.

**Signature:** /s/ Sean Leslie  
**Date:** 2026-02-24

### 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.**