SunCoke Energy (NYSE: SXC) CFO adds 10,000 shares in open-market buys

Rhea-AI Filing Summary

SunCoke Energy, Inc. Senior Vice President and Chief Financial Officer Mark W. Marinko reported open-market purchases of company common stock. On two transactions dated February 25, 2026, he bought a total of 10,000 shares at prices of $5.83 and $5.84 per share.

Following these purchases, his reported direct ownership increased to 71,798 shares of SunCoke Energy common stock.

SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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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^*

Marinko Mark W.

(Last) (First) (Middle)

1011 WARRENVILLE ROAD

STE 600

(Street)

LISLE IL 60532

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
SunCoke Energy, Inc. [ SXC ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SR VP, Chief Financial Officer

3. Date of Earliest Transaction (Month/Day/Year)
02/25/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	02/25/2026		P		400	A	$5.83	62,198	D
Common Stock	02/25/2026		P		9,600	A	$5.84	71,798	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

Remarks:

	/s/ Sean Leslie	02/26/2026
	** Signature of Reporting Person	Date
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.

FAQ

What did SunCoke Energy (SXC) insider Mark W. Marinko do in this Form 4?

Mark W. Marinko, SunCoke Energy’s Senior Vice President and Chief Financial Officer, reported buying common stock. He completed two open-market purchase transactions totaling 10,000 shares of SunCoke Energy common stock on February 25, 2026, as disclosed in the Form 4 filing.

How many SunCoke Energy (SXC) shares did the CFO purchase and at what prices?

The CFO bought 10,000 SunCoke Energy common shares in total. One transaction covered 400 shares at $5.83 per share, and the other covered 9,600 shares at $5.84 per share, both recorded as open-market purchases on February 25, 2026.

What is Mark W. Marinko’s SunCoke Energy (SXC) share ownership after these transactions?

After the reported purchases, Mark W. Marinko’s direct ownership rose to 71,798 SunCoke Energy common shares. The Form 4 shows 62,198 shares following the first purchase and 71,798 shares following the second, reflecting the cumulative 10,000-share increase.

Were the SunCoke Energy (SXC) insider transactions open-market buys or another type?

Both transactions were open-market purchases of SunCoke Energy common stock. The Form 4 lists transaction code “P,” described as a purchase in an open market or private transaction, and identifies the direction as buy for each transaction reported.

How many insider buy transactions did SunCoke CFO Mark W. Marinko report?

He reported two separate buy transactions in SunCoke Energy common stock. Combined, they total 10,000 shares purchased on February 25, 2026, with both coded as open-market purchases and contributing to a net-buy direction in the transaction summary.