Director John Zillmer granted CSX (CSX) stock as board fee awards

Rhea-AI Filing Summary

CSX Corp director John J. Zillmer reported stock grants that increased his direct holdings. On February 26, 2026, he acquired 4,455 and 5,862 shares of CSX common stock as exempt payments of director and non-executive chair retainers under the 2019 CSX Stock and Incentive Award Plan.

After these grants, Zillmer directly owned 369,564 CSX common shares, reflecting compensation paid in stock rather than cash.

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^*

ZILLMER JOHN J

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
02/26/2026

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	02/26/2026		A		4,455(1)	A	$0	363,702	D
Common Stock	02/26/2026		A		5,862(2)	A	$0	369,564	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:

1. Exempt payment of director's fees and/or annual retainer in the form of CSX Common Stock pursuant to the 2019 CSX Stock and Incentive Award Plan.

2. Exempt payment of non-executive chair retainer in the form of CSX Common Stock pursuant to the 2019 CSX Stock and Incentive Award Plan.

Remarks:

Power of Attorney is attached as Exhibit 24 hereto.

	Kacey D. Heekin-Luchin, Attorney-in-Fact	03/02/2026
	** 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 insider transaction did CSX (CSX) report for John J. Zillmer?

CSX reported that director John J. Zillmer received two grants of CSX common stock on February 26, 2026. These awards were exempt payments of director and non-executive chair retainers in stock under the 2019 CSX Stock and Incentive Award Plan.

How many CSX shares did John J. Zillmer acquire in this Form 4?

John J. Zillmer acquired 4,455 and 5,862 CSX common shares, in two separate grants. Both transactions are reported at a price of $0.0000 per share, reflecting stock issued as compensation rather than a market purchase for cash.

What is John J. Zillmer’s CSX share ownership after these transactions?

Following the reported grants, John J. Zillmer directly owned 369,564 CSX common shares. This total reflects his holdings after receiving stock for director’s fees and non-executive chair retainer under CSX’s 2019 Stock and Incentive Award Plan.

What is the nature of the stock awards reported for CSX director John J. Zillmer?

The awards are described as exempt payments of director’s fees and non-executive chair retainer in CSX common stock. They were granted pursuant to the 2019 CSX Stock and Incentive Award Plan, meaning they are compensation-related grants, not open-market stock purchases.

Does the Form 4 indicate that John J. Zillmer bought or sold CSX shares on the market?

The Form 4 indicates grant or award acquisitions, not market buys or sells. The transaction code is “A” for awards, with a reported price of $0.0000 per share, consistent with stock given as compensation instead of a cash purchase or sale.