Eastman Chemical (EMN) 4: OBRIEN JAMES J /KY bought 408 shares of Phantom Stock Units… (Apr 10, 2026)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-04-08 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: EASTMAN CHEMICAL CO (EMN) CIK: 0000915389 --- Reporting Owner --- Name: OBRIEN JAMES J /KY CIK: 0001023582 Role: Director --- Derivative Transactions --- [Transaction #1] Security: Phantom Stock Units Date: 2026-04-08 | Code: A (Grant or award) Shares: +408 | Price: $0.00 Shares Owned After: 18,137 | Ownership: D (Direct) Footnotes: [F1] Phantom Stock units credited under the Directors' Deferred Compensation Plan, each having a value equal to the market value 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 value of one share of issuer common stock and payable only in cash after termination of service as a director. [F2] Automatic deferral of a portion of director's annual retainer fees that would otherwise have been paid in cash. [F2] Automatic deferral of a portion of director's annual 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 value 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 value 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 value of one share of issuer common stock and payable only in cash after termination of service as a director. [F2] Automatic deferral of a portion of director's annual retainer fees that would otherwise have been paid in cash. [F3] Includes dividend equivalents reinvested in additional Phantom Stock Units. --- Footnotes (Complete Index) --- F1: Phantom Stock units credited under the Directors' Deferred Compensation Plan, each having a value equal to the market value of one share of issuer common stock and payable only in cash after termination of service as a director. F2: Automatic deferral of a portion of director's annual retainer fees that would otherwise have been paid in cash. F3: Includes dividend equivalents reinvested in additional Phantom Stock Units. --- Signature --- /s/ /s/ Mark D. Austin, by Power of Attorney for James J. O'Brien (2026-04-10)