X0306 4 2022-06-16 0 0001183765 Molecular Templates, Inc. MTEM 0001869698 McLennan Sean C/O MOLECULAR TEMPLATES, INC. 9301 AMBERGLEN BLVD., SUITE 100 AUSTIN TX 78729 0 1 0 0 See remarks Common Stock 2022-06-16 4 P 0 30000 0.8159 A 30000 D Represents the weighted average purchase price per share. The shares were purchased at prices ranging from $0.7954 to $0.8312 per share. Full information regarding the number of shares purchased at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer. Chief Financial Officer (interim) and Treasurer /s/ Sean McLennan 2022-06-21