X0306 4 2021-06-03 false 0001636422 Health Catalyst, Inc. HCAT 0001494174 Orenstein Daniel H. C/O HEALTH CATALYST, INC. 10897 SOUTH RIVER FRONT PARKWAY, #300 SOUTH JORDAN UT 84095 false true false false General Counsel Common Stock 2021-06-03 4 M false 2500.00 10.34 A 81918.00 D Common Stock 2021-06-03 4 S false 3872.00 52.8073 D 78046.00 D Stock Option (Right to Buy) 10.34 2021-06-03 4 M false 2500.00 0.00 D 2026-02-10 Common Stock 2500.00 133500.00 D The sale reported on this Form 4 was made pursuant to a written trading plan adopted by the Reporting Person on March 4, 2021, in accordance with Rule 10b5-1. Represents a weighted average price. These shares were sold by the Reporting Person in multiple transactions at prices ranging from $52.43 to $53.17, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this Footnote 25% of the 136,316 shares underlying the options vested in an annual installment on December 31, 2016 and the remaining balance vested in equal monthly installments until the option vested in full on Dec. 31, 2019. /s/ Daniel Orenstein 2021-06-07