[Form 4] CSX CORP Insider Trading Activity

Rhea-AI Filing Summary

CSX Corp executive Kevin S. Boone, EVP & CFO, reported routine equity compensation and tax withholding transactions. On January 23, 2026, he received 3,113 shares of common stock at $0 under a 2023–2025 long-term incentive plan and had 1,390 shares withheld at $36.64 to cover taxes. Following these transactions, he directly holds 200,378 CSX common shares, plus 1,754 shares through the CSX Corporation 401(k) plan and 1,500 shares in his spouse’s IRA. The filing also updates his total beneficial ownership to correct earlier Form 4 reports.

Insider Trade Summary

4 transactions reported

Mixed 4 txns

Insider Boone Kevin S.

Role EVP & CFO

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	3,113	$0.00	--
Tax Withholding	Common Stock	1,390	$36.64	$51K
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 201,768 shares (Direct); Common Stock — 1,754 shares (Indirect, CSX Corporation 401(k) Plan)

Footnotes (1)

1. Shares awarded pursant to the 2023-2025 Long-Term Incentive Plan. Includes 95 shares acquired under the CSX Employee Stock Purchase Plan on December 31, 2025. The total number of shares beneficially owned is being updated to reflect that certain shares were mistakenly incorrectly reported on the Reporting Person's Forms 4 filed on February 12, 2024 and February 20, 2024. Withholding of stock to satisfy tax obligation. By Trustee, CSX Corporation Savings Thrift Plan. The number reflects equivalent shares of cash value held in the CSX Stock Fund, which amounts will fluctuate dependent upon the daily net asset value of the fund.

Form 4 Insider Transactions: What Each Field Means →

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

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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^*

Boone Kevin S.

(Last) (First) (Middle)

500 WATER STREET

15TH FLOOR

(Street)

JACKSONVILLE FL 32202

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
CSX CORP [ CSX ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP & CFO

3. Date of Earliest Transaction (Month/Day/Year)
01/23/2026

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	01/23/2026		A		3,113(1)	A	$0	201,768(2)(3)	D
Common Stock	01/23/2026		F		1,390(4)	D	$36.64	200,378	D
Common Stock								1,754	I	CSX Corporation 401(k) Plan(5)
Common Stock								1,500	I	Spouse's IRA

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:

1. Shares awarded pursant to the 2023-2025 Long-Term Incentive Plan.

2. Includes 95 shares acquired under the CSX Employee Stock Purchase Plan on December 31, 2025.

3. The total number of shares beneficially owned is being updated to reflect that certain shares were mistakenly incorrectly reported on the Reporting Person's Forms 4 filed on February 12, 2024 and February 20, 2024.

4. Withholding of stock to satisfy tax obligation.

5. By Trustee, CSX Corporation Savings Thrift Plan. The number reflects equivalent shares of cash value held in the CSX Stock Fund, which amounts will fluctuate dependent upon the daily net asset value of the fund.

	Michael S. Burns, Attorney-in-Fact	01/27/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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