X0609 4 2026-06-19 0001819133 Tango Therapeutics, Inc. TNGX 0001656998 Azelby Robert false C/O TANGO THERAPEUTICS, INC. 201 BROOKLINE AVE., SUITE 901 BOSTON MA 02215 true false false false false Common Stock 2026-06-19 4 A false 5740 0 A 5740 D Stock Option (Right to Buy) 27.97 2026-06-19 4 A false 35910 0 A 2036-06-19 Common Stock 35910 35910 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 will vest in three substantially equal annual installments following the grant date, subject to the Reporting Person's continuous service with the Issuer as of each such vesting date. This option shall vest and become exercisable in 36 substantially equal monthly installments over a period of three years following the grant date, subject to the Reporting Person's continuous service with the Issuer as of each such vesting date. /s/ Julie Fogarty, as attorney-in-fact 2026-06-23