[Form 4] EASTMAN CHEMICAL CO Insider Trading Activity

Rhea-AI Filing Summary

Eastman Chemical (EMN) director Linnie M. Haynesworth reported acquiring 487 Phantom Stock Units on 10/07/2025 at $0, reflecting an automatic deferral of a portion of her annual director retainer into the Directors' Deferred Compensation Plan. After the transaction, she beneficially owns 3,559 phantom units. Each unit has a value equal to one share of common stock and is payable only in cash after her service as a director ends. The total includes 42 units credited since May 1, 2025 as hypothetical reinvestment of dividend equivalents.

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^*

Haynesworth Linnie M

(Last) (First) (Middle)

200 S. WILCOX DRIVE

(Street)

KINGSPORT TN 37660

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
EASTMAN CHEMICAL CO [ EMN ]

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)
10/07/2025

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

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
Phantom Stock Units	$0(1)	10/07/2025		A		487(2)		(1)	(1)	Commnon Stock	487(2)	$0(2)	3,559(3)	D

Explanation of Responses:

1. Phantom Stock Units credited under the Directors' Deferred Compensation Plan, each having a value equal to one share of issuer common stock and payable only in cash after termination of service as a director.

2. Automatic deferral of a portion of director's annual retainer fees into the director's stock account of the Directors' Deferred Compensation Plan, which would otherwise have been paid in cash.

3. Includes 42 units credited since May 1, 2025 as hypothetical reinvestment of dividend equivalents.

Remarks:

	/s/ Mark D. Austin, by Power of Attorney for Linnie M. Haynesworth	10/09/2025
	** 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 EMN director Linnie M. Haynesworth report on Form 4?

She acquired 487 Phantom Stock Units on 10/07/2025 at $0 under the Directors' Deferred Compensation Plan.

How many EMN phantom stock units does the director now beneficially own?

Following the transaction, she beneficially owns 3,559 Phantom Stock Units.

What is the nature of EMN’s Phantom Stock Units?

Each unit has a value equal to one share of common stock and is payable only in cash after service as a director ends.

What triggered the acquisition of 487 units for EMN’s director?

An automatic deferral of a portion of her annual retainer fees into the director's stock account.

Do the reported EMN units include dividend equivalents?

Yes. The total includes 42 units credited since May 1, 2025 as hypothetical reinvestment of dividend equivalents.

Was there a cash price paid for the EMN units?

No. The transaction was reported at $0 as it reflects deferred compensation into phantom units.