Humberto P. Alfonso - 07 Oct 2025 Form 4 Insider Report for EASTMAN CHEMICAL CO (EMN)

Role: Director
Signature: /s/ Mark D. Austin, by Power of Attorney for Humberto P. Alfonso
Issuer symbol: EMN
Transactions as of: 07 Oct 2025
Net transactions value: +$73,448
Form type: 4
Filing time: 09 Oct 2025, 18:21:00 UTC
Previous filing: 12 May 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Alfonso Humberto P	Director	200 S. WILCOX DRIVE, KINGSPORT	/s/ Mark D. Austin, by Power of Attorney for Humberto P. Alfonso	09 Oct 2025	0001406985

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	EMN	Phantom Stock Units	Award	$73,448	+1,178	+2.3%	$62.35	53,089	07 Oct 2025	Common Stock	1,178	$0.000000	Direct	F1, F2, F3
transaction	EMN	Phantom Stock Units	Award	$0	+487	+0.92%	$0.000000	53,576	07 Oct 2025	Common Stock	487	$0.000000	Direct	F1, F3, F4

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

Explanation of Responses:

Id	Content
F1	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.
F2	Voluntary deferral at election of a portion of director's retainer fees that would otherwise have been paid in cash into the director's stock account of the Direcors' Deferred Compensation Plan.
F3	Includes 1,130 units credited since May 1, 2025, as hypothetical reinvestment of dividend equivalents.
F4	Automatic deferral of a portion of director's annual retainer fees that would otherwise have been paid in cash into the director's stock account of the Directors' Deferred Compensation Plan.