Statement of Changes in Beneficial Ownership (Form 4)

FORM 4 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 that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 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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(Print or Type Responses)

1. Name and Address of Reporting Person * Simmons Jeffrey N 2. Issuer Name and Ticker or Trading Symbol Elanco Animal Health Inc [ELAN] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) PRESIDENT, CEO AND DIRECTOR (Last) (First) (Middle) C/O ELANCO ANIMAL HEALTH INCORPORATED, 450 ELANCO CIRCLE 3. Date of Earliest Transaction (Month/Day/Year) 03/01/2026 (Street) INDIANAPOLIS, IN 46221 4. If Amendment, Date 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 (City) (State) (Zip) 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 Common Stock 03/01/2026 A 397,041 A $ 0 2,200,459(1) D Common Stock 03/01/2026 F 229,982 D $26.4 1,970,477 D Common Stock 03/01/2026 A 119,319(2) A $ 0 2,089,796 D Common Stock 167,000 I By Revocable Trust

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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 Underlying Securities (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 of Derivative Security: 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

Employee Stock Option (right to buy)

$26.4

03/01/2026

A

243,809

(3)

03/01/2036

Common Stock

243,809

$ 0

243,809

D

Deferred Stock Units (Match)

(4)

03/01/2026

A

6,593

(5)

(5)

Common Stock

6,593

$ 0

6,593

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Simmons Jeffrey N C/O ELANCO ANIMAL HEALTH INCORPORATED 450 ELANCO CIRCLE INDIANAPOLIS, IN 46221	X		PRESIDENT, CEO AND DIRECTOR

Signatures

/s/ Amy C. Seidel, as Attorney-in-Fact for Jeffrey N. Simmons		03/03/2026
**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	Includes 1,038 shares acquired on January 31, 2026 under Elanco Animal Health Inc.'s Employee Stock Purchase Plan.
(2)	Grant of restricted stock units vesting as follows: one-third vesting on March 1, 2027, one-third vesting on March 1, 2028, and the remaining vesting on March 1, 2029.
(3)	Grant of stock options vesting as follows: one-third vesting on March 1, 2027, one-third vesting on March 1, 2028, and the remaining vesting on March 1, 2029.
(4)	Each deferred stock unit represents the right to receive one share of Company common stock or the cash equivalent.
(5)	Deferred stock units vest December 31, 2027 and settle upon termination of employment or otherwise in accordance with the Executive Deferral and Stock Match Plan.

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