X0508 4 2025-12-16 0 0001828108 Aurora Innovation, Inc. AUR 0001869013 Urmson Christopher C/O AURORA INNOVATION, INC. 1654 SMALLMAN ST PITTSBURGH PA 15222 1 1 0 0 Chief Executive Officer 0 Class A Common Stock 5000000 D Class A Common Stock 2025-12-16 4 G 0 258000 0 D 0 I Held by the Urmson Family Revocable Trust Class A Common Stock 2025-12-16 4 G 0 258000 0 A 755752 I Held by the Urmson 2022 Irrevocable Family Trust On December 16, 2025, 258,000 shares of the Issuer's Class A common stock were transferred from the Urmson Family Revocable Trust (the "Revocable Trust") to the Urmson 2022 Irrevocable Family Trust (the "Irrevocable Trust") for no consideration. There was no purchase or sale of the Issuer's Class A common stock in connection with the transfer. The reporting person is a trustee, settlor and beneficiary of the Revocable Trust. The reporting person, in such capacity, may be deemed a beneficial owner of the securities held by the Revocable Trust. On December 16, 2025, 258,000 shares of the Issuer's Class A common stock were transferred from the Revocable Trust to the Irrevocable Trust for no consideration. There was no purchase or sale of the Issuer's Class A common stock in connection with the transfer. The reporting person is a trustee of the Irrevocable Trust, and certain members of the reporting person's immediate family are the sole beneficiaries of the Irrevocable Trust. The reporting person, in his capacity as a trustee of the Irrevocable Trust, may be deemed a beneficial owner of the securities held by the Irrevocable Trust. /s/ Yijun Han, Attorney-in-fact for Christopher Urmson 2025-12-17