X0609 4 2026-05-01 0001819133 Tango Therapeutics, Inc. TNGX 0001816194 Gall Matthew false C/O TANGO THERAPEUTICS, INC. 201 BROOKLINE AVE., SUITE 901 BOSTON MA 02215 false true false false Chief Financial Officer false Common Stock 2026-05-01 4 A false 40000 0 A 40000 D Stock Option (Right to Buy) 20.98 2026-05-01 4 A false 240000 0 A 2036-05-01 Common Stock 240000 240000 D These shares are represented by restricted stock units (the "RSUs"). Each RSU represents a contingent right to receive one share of Common Stock of the Issuer. The RSUs shall vest over a three-year period at a rate of (i) 13,200 RSUs on or about May 10, 2027, (ii) 13,200 RSUs on or about May 10, 2028 and (iii) 13,600 RSUs on or about May 9, 2029, subject to the Reporting Person's continuous service with the Issuer as of each such vesting date. This option shall vest and become exercisable over a four-year period, at a rate of 25% on April 15, 2027 with the remaining option shares vesting in 36 equal monthly installments thereafter, subject to the Reporting Person's continuous service with the Issuer as of each such vesting date. /s/ Julie Fogarty, as attorney-in-fact 2026-05-05