Kevin S. Boone - 22 Oct 2025 Form 4 Insider Report for CSX CORP (CSX)

Role: EVP & CCO
Signature: /s/ Tammy D. Butler, Attorney-in-Fact
Issuer symbol: CSX
Transactions as of: 22 Oct 2025
Net transactions value: -$569,201
Form type: 4
Filing time: 24 Oct 2025, 16:36:22 UTC
Previous filing: 19 Feb 2025
Next filing: 27 Jan 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Boone Kevin S.	EVP & CCO	500 WATER STREET, 15TH FLOOR, JACKSONVILLE	/s/ Tammy D. Butler, Attorney-in-Fact	24 Oct 2025	0001778769

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	CSX	Common Stock	Options Exercise	$280,895	+15,969	+8.1%	$17.59	213,490	22 Oct 2025	Direct	F1
transaction	CSX	Common Stock	Options Exercise	$270,607	+15,084	+7.1%	$17.94	228,574	22 Oct 2025	Direct
transaction	CSX	Common Stock	Sale	$1,120,703	-31,053	-14%	$36.09	197,521	22 Oct 2025	Direct	F2
holding	CSX	Common Stock						1,740	22 Oct 2025	CSX Corporation 401(k) Plan	F3
holding	CSX	Common Stock						1,500	22 Oct 2025	Spouse's IRA

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	CSX	Option	Options Exercise	$0	-15,969	-100%	$0.000000	0	22 Oct 2025	Common Stock	15,969	$17.59	Direct	F4, F5
transaction	CSX	Option	Options Exercise	$0	-15,084	-100%	$0.000000	0	22 Oct 2025	Common Stock	15,084	$17.94	Direct	F6, F7

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Includes 678 shares acquired under the CSX Employee Stock Purchase Plan on June 30, 2025.
F2	Weighted average price, as these shares were sold in multiple transactions at prices ranging from $36.09 to $36.10, inclusive. The Reporting Person undertakes to provide to CSX Corporation, any security holder of CSX Corporation, or the staff of the Securities and Exchange Commission, upon request, additional information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F3	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.
F4	The original exercise price of the option was $52.78. On June 28, 2021, the common stock of CSX Corporation split 3-for-1 resulting in an adjusted price of $17.59.
F5	On June 28, 2021, the common stock of CSX Corporation split 3-for-1 resulting in an adjustment to the number of shares subject to the option from 5,323 shares to 15,969 shares.
F6	The original exercise price of the option was $53.82. On June 28, 2021, the common stock of CSX Corporation split 3-for-1 resulting in an adjusted price of $17.94.
F7	One June 28, 2021, the common stock of CSX Corporation spilt 3-for-1 resulting in an adjustment to the number of shares subject to the option from 5,028 shares to 15,084 shares.