X0306 4 2020-05-13 0 0001651561 Tabula Rasa HealthCare, Inc. TRHC 0001219799 TUNSTALL GORDON 228 STRAWBRIDGE DRIVE, SUITE 100 MOORESTOWN NJ 08057 1 0 0 0 Common Stock 2020-05-13 4 M 0 1000 1.56 A 12989 D Common Stock 2020-05-13 4 S 0 1000 55.02 D 11989 D Employee Stock Option (right to buy) 1.56 2020-05-13 4 M 0 1000 0.00 D 2022-03-21 Common Stock 1000 7288 D This sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 14, 2019. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $54.99 to $55.23, inclusive. The reporting person undertakes to provide to Tabula Rasa HealthCare, Inc., any security holder of Tabula Rasa HealthCare, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the range set forth in this footnote (2) to this Form 4. The stock option vested 25% on March 21, 2013 and in equal 1/36th installments each month thereafter. /s/ Brian W. Adams, by Power of Attorney 2020-05-14