X0609 4 2026-04-29 0001819133 Tango Therapeutics, Inc. TNGX 0001793200 Lee Sung false C/O TANGO THERAPEUTICS, INC. 201 BROOKLINE AVE., SUITE 901 BOSTON MA 02215 true false false false false Common Stock 2026-04-29 4 A false 12300 0 A 22300 D Stock Option (Right to Buy) 22.06 2026-04-29 4 A false 5200 0 A 2036-04-29 Common Stock 5200 5200 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 on January 2, 2027, January 2, 2028 and January 2, 2029, subject to the Reporting Person's continuous service with the Issuer as of each such vesting date. The RSUs were granted in connection with the Reporting Person's service on the Issuer's board of directors and reflect the value the Reporting Person is entitled to pursuant to the Issuer's Non-Employee Director Compensation Policy. This option shall vest and become exercisable in 36 substantially equal monthly installments over a period of three years commencing on January 2, 2026, subject to the Reporting Person's continuous service with the Issuer as of each such vesting date. The options were granted in connection with the Reporting Person's service on the Issuer's board of directors and reflect the value the Reporting Person is entitled to pursuant to the Issuer's Non-Employee Director Compensation Policy. /s/ Julie Fogarty, as attorney-in-fact 2026-05-01