X0306 4 2022-06-13 0 0001823593 TuSimple Holdings Inc. TSP 0001336664 Buss Brad W 9191 TOWNE CENTRE DRIVE, STE 600 SAN DIEGO CA 92122 1 0 0 0 Class A Common Stock 2022-06-13 4 M 0 7767 A 50447 D Class A Common Stock 141441 I By trust Class A Common Stock 141442 I By trust Restricted Stock Unit 2022-06-13 4 M 0 7767 D Class A Common Stock 7767 0 D Restricted Stock Unit 2022-06-15 4 A 0 27856 A Class A Common Stock 27856 27856 D The Reporting Person received Restricted Stock Units ("RSUs") that represent a contingent right to receive one share of Class A Common Stock for each RSU upon the satisfaction of applicable vesting conditions. The shares were issued pursuant to vested RSUs. The shares are held by the 2011 Buss Family Trust, of which the Reporting Person is trustee. The shares are held by the Buss Family Heritage Trust, of which the Reporting Person is trustee. The Reporting Person was granted RSUs which represent a contingent right to receive one share of Class A Common Stock for each RSU. The RSUs are subject to a service-based vesting requirement, which shall be satisfied on the earlier of the one-year anniversary of June 29, 2021 or on the date of the next regular annual meeting of the Company's stockholders held following June 29, 2021, provided that the Reporting Person remains in continuous service through such vesting date. The Reporting Person was granted RSUs which represent a contingent right to receive one share of Class A Common Stock for each RSU. The RSUs are subject to a service-based vesting requirement, which shall be satisfied on the earlier of (i) June 15, 2023 or (ii) on the date of the issuer's next annual meeting of stockholders, subject to the Reporting Person's continuous service with the issuer on such vesting date. /s/ James Mullen - Attorney-in-Fact 2022-06-15