CSX (CSX) director sells 10,000 shares of common stock

Filing Impact

(Moderate)

Filing Sentiment

(Negative)

Form Type

Rhea-AI Filing Summary

CSX CORP director John J. Zillmer sold 10,000 shares of CSX common stock in an open-market transaction on June 3, 2026. The shares were sold at a weighted average price of $46.45, with individual sale prices ranging from $46.43 to $46.50. After this sale, Zillmer directly holds 353,714 CSX shares, indicating he retained a substantial equity position in the company.

Insider Trade Summary

Net Seller: 10,000 shares ($464,500)

Net Sell 1 txn

Insider ZILLMER JOHN J

Role null

Sold 10,000 shs ($465K)

Type	Security	Shares	Price	Value
Sale	Common Stock	10,000	$46.45	$465K

Holdings After Transaction: Common Stock — 353,714 shares (Direct, null)

Footnotes (1)

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Key Figures

Shares sold: 10,000 shares Weighted average sale price: $46.45 per share Sale price range: $46.43–$46.50 per share +1 more

4 metrics

Shares sold 10,000 shares Open-market sale on June 3, 2026

Weighted average sale price $46.45 per share Common stock sale on June 3, 2026

Sale price range $46.43–$46.50 per share Multiple executions within this range

Shares held after transaction 353,714 shares Direct ownership following June 3, 2026 sale

Key Terms

open-market sale, weighted average price, Form 4, Common Stock

4 terms

open-market sale financial

"transaction_action: "open-market sale""

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

weighted average price financial

"Weighted average price, as these shares were sold in multiple transactions"

Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.

Form 4 regulatory

"INSIDER FILING DATA (Form 4)"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

Common Stock financial

"security_title: "Common Stock""

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

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Form 4 Insider Transactions: What Each Field Means →

06/04/2026 - 04:15 PM

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^*

ZILLMER JOHN J

(Last)

(First)

(Middle)

500 WATER STREET

15TH FLOOR

(Street)

JACKSONVILLE

FLORIDA

32202

(City)

(State)

(Zip)

UNITED STATES

(Country)

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)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/03/2026

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

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

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

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	06/03/2026		S		10,000	D	$46.45⁽¹⁾	353,714	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. Weighted average price, as these shares were sold in multiple transactions at prices ranging from $46.43 to $46.50, 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.

	Kacey Heekin-Luchin, Attorney-in-Fact	06/04/2026
	** 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.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR

FAQ

What insider transaction did CSX (CSX) director John J. Zillmer report?

Director John J. Zillmer reported selling 10,000 shares of CSX common stock in an open-market transaction on June 3, 2026. This Form 4 filing details the sale price range and his remaining direct ownership stake after the transaction.

How many CSX (CSX) shares did John J. Zillmer sell and at what price?

John J. Zillmer sold 10,000 CSX common shares at a weighted average price of $46.45. The filing notes the shares were sold in multiple trades, with individual prices ranging from $46.43 to $46.50 during the transaction date.

How many CSX (CSX) shares does John J. Zillmer hold after this sale?

After the June 3, 2026 transaction, John J. Zillmer directly holds 353,714 shares of CSX common stock. This remaining position, disclosed in the Form 4, shows he continues to own a significant number of CSX shares following the 10,000-share sale.

What does weighted average price mean in John J. Zillmer’s CSX (CSX) sale?

Weighted average price of $46.45 means Zillmer’s 10,000 CSX shares were sold across multiple trades between $46.43 and $46.50. The average sale price is calculated based on the number of shares executed at each individual price within that range.

Was John J. Zillmer’s CSX (CSX) transaction an open-market sale?

Yes. The Form 4 identifies the transaction as code “S,” described as a sale in the open market or private transaction. The filing characterizes this specific activity as an open-market sale of 10,000 CSX common shares at a weighted average price of $46.45.