Eastman Chemical (EMN) 4: Audia Damon J bought 1,002 shares at $63.25 on 2026-10-07;… (Oct 9, 2026)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-10-07 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: EASTMAN CHEMICAL CO (EMN) CIK: 0000915389 --- Reporting Owner --- Name: Audia Damon J CIK: 0001452301 Role: Director --- Derivative Transactions --- [Transaction #1] Security: Phantom Stock Units Date: 2026-10-07 | Code: A (Grant or award) Shares: +1,002 | Price: $63.25 Shares Owned After: 5,276 | Ownership: D (Direct) Footnotes: [F1] Phantom Stock Units credited under the Directors' Deferred Compensation Plan, each having a value equal to the market of one share of issuer common stock and payable only in cash after termination of service as a director. [F1] Phantom Stock Units credited under the Directors' Deferred Compensation Plan, each having a value equal to the market of one share of issuer common stock and payable only in cash after termination of service as a director. [F2] Voluntary deferral of a portion of director's retainer fees that would otherwise have been paid in cash. [F2] Voluntary deferral of a portion of director's retainer fees that would otherwise have been paid in cash. [F1] Phantom Stock Units credited under the Directors' Deferred Compensation Plan, each having a value equal to the market of one share of issuer common stock and payable only in cash after termination of service as a director. [F1] Phantom Stock Units credited under the Directors' Deferred Compensation Plan, each having a value equal to the market of one share of issuer common stock and payable only in cash after termination of service as a director. [F1] Phantom Stock Units credited under the Directors' Deferred Compensation Plan, each having a value equal to the market of one share of issuer common stock and payable only in cash after termination of service as a director. [F2] Voluntary deferral of a portion of director's retainer fees that would otherwise have been paid in cash. [F3] Includes dividend equivalents reinvested in additional Phantom Stock Units. [Transaction #2] Security: Phantom Stock Units Date: 2026-10-07 | Code: A (Grant or award) Shares: +480 | Price: $0.00 Shares Owned After: 6,042 | Ownership: D (Direct) Footnotes: [F1] Phantom Stock Units credited under the Directors' Deferred Compensation Plan, each having a value equal to the market of one share of issuer common stock and payable only in cash after termination of service as a director. [F4] Automatic deferral of a portion of director's annual retainer fees into the director's stock account of the Director's Deferred Compensation Plan. [F4] Automatic deferral of a portion of director's annual retainer fees into the director's stock account of the Director's Deferred Compensation Plan. [F1] Phantom Stock Units credited under the Directors' Deferred Compensation Plan, each having a value equal to the market of one share of issuer common stock and payable only in cash after termination of service as a director. [F1] Phantom Stock Units credited under the Directors' Deferred Compensation Plan, each having a value equal to the market of one share of issuer common stock and payable only in cash after termination of service as a director. [F4] Automatic deferral of a portion of director's annual retainer fees into the director's stock account of the Director's Deferred Compensation Plan. [F5] Includes units credited since April 8, 2026, as reinvestment of dividend equivalents for phantom shares deferred under the Directors' Deferred Compensation Plan. --- Footnotes (Complete Index) --- F1: Phantom Stock Units credited under the Directors' Deferred Compensation Plan, each having a value equal to the market of one share of issuer common stock and payable only in cash after termination of service as a director. F2: Voluntary deferral of a portion of director's retainer fees that would otherwise have been paid in cash. F3: Includes dividend equivalents reinvested in additional Phantom Stock Units. F4: Automatic deferral of a portion of director's annual retainer fees into the director's stock account of the Director's Deferred Compensation Plan. F5: Includes units credited since April 8, 2026, as reinvestment of dividend equivalents for phantom shares deferred under the Directors' Deferred Compensation Plan. --- Signature --- /s/ /s/ Mark D. Austin, by Power of Attorney for Damon J. Audia (2026-10-09)