UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Title of each class Trading Symbol(s) Name of each exchange on which registered Common Stock, no par value ELAN New York Stock Exchange 5.00% Tangible Equity Units ELAT New York Stock Exchange Form 10-K ANNUAL REPORT UNDER SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2019 Commission file number 001-38661 INDIANA 82-5497352 (State or other jurisdiction of (I.R.S. Employer incorporation ...

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Title of each class Trading Symbol(s) Name of each exchange on which registered Common stock, no par value ELAN New York Stock Exchange Form 10-Q Quarterly Report Under Section 13 or 15(d) of the Securities Exchange Act of 1934 FOR THE QUARTERLY PERIOD ENDED SEPTEMBER 30, 2019 COMMISSION FILE NUMBER 001-38661 Elanco Animal Health Incorporated (Exact name of Registrant as specified in its charter) 2500 INNOVATION WAY, GREENFIELD, INDIANA 46140 (Addres ...

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INDIANA 82-5497352 (State or other jurisdiction of (I.R.S. Employer incorporation or organization) Identification No.) Title of each class Trading Symbol(s) Name of each exchange on which registered Common stock, no par value ELAN New York Stock Exchange Form 10-Q Quarterly Report Under Section 13 or 15(d) of the Securities Exchange Act of 1934 FOR THE QUARTERLY PERIOD ENDED JUNE 30, 2019 COMMISSION FILE NUMBER 001-38661 Elanco Animal Health Incorpor ...

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q Quarterly Report Under Section 13 or 15(d) of the Securities Exchange Act of 1934 FOR THE QUARTERLY PERIOD ENDED MARCH 31, 2019 COMMISSION FILE NUMBER 001-38661 Elanco Animal Health Incorporated (Exact name of Registrant as specified in its charter) INDIANA 82-5497352 (State or other jurisdiction of (I.R.S. Employer incorporation or organization) Identification No.) 2500 INNOVATION WAY, GREENFIELD, INDIANA 46140 (Address of principal execut ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K ANNUAL REPORT UNDER SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2018 Commission file number 001-38661 Elanco Animal Health Incorporated (Exact name of Registrant as specified in its charter) INDIANA 82-5497352 (State or other jurisdiction of (I.R.S. Employer incorporation or organization) Identification No.) 2500 INNOVATION WAY, GREENFIELD, INDIANA 46140 (Address of princip ...