X0609 4 2025-10-31 0 0001828108 Aurora Innovation, Inc. AUR 0001519339 Hoffman Reid false C/O AURORA INNOVATION, INC. 1654 SMALLMAN STREET PITTSBURGH PA 15222 1 0 0 0 0 Class A Common Stock 2025-10-31 4 C 0 6343637 A 6343637 I See Footnotes Class A Common Stock 2025-10-31 4 C 0 352425 A 352425 I See Footnotes Class A Common Stock 2025-10-31 4 C 0 352425 A 352425 I See Footnotes Class A Common Stock 2026-05-15 4 S 0 4948637 7.8082 D 1395000 I See Footnotes Class A Common Stock 2026-05-15 4 S 0 274925 7.8082 D 77500 I See Footnotes Class A Common Stock 2026-05-15 4 S 0 274925 7.8082 D 77500 I See Footnotes Class A Common Stock 2026-05-18 4 S 0 312882 7.5052 D 1082118 I See Footnotes Class A Common Stock 2026-05-18 4 S 0 17382 7.5052 D 60118 I See Footnotes Class A Common Stock 2026-05-18 4 S 0 17382 7.5052 D 60118 I See Footnotes Class A Common Stock 5162315 I See Footnote Class A Common Stock 1550646 I See Footnote Class A Common Stock 674719 I See Footnote Class A Common Stock 318122 D Class B Common Stock 2025-10-31 4 C 0 6343637 0 D Class A Common Stock 6343637 0 I See Footnotes Class B Common Stock 2025-10-31 4 C 0 352425 0 D Class A Common Stock 352425 0 I See Footnotes Class B Common Stock 2025-10-31 4 C 0 352425 0 D Class A Common Stock 352425 0 I See Footnotes Class B Common Stock Class A Common Stock 782088 782088 I See Footnote Each share of Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date. Greylock 15 GP LLC ("Greylock LLC") is the general partner of each of Greylock 15 Limited Partnership ("Greylock 15"), Greylock 15 Principals Limited Partnership ("Greylock Principals"), and Greylock 15-A Limited Partnership ("Greylock 15-A"). By virtue of being a managing member of Greylock LLC, the reporting person may be deemed a beneficial owner of the securities held by Greylock 15, Greylock Principals, and Greylock 15-A. The reporting person disclaims beneficial ownership of the securities held by Greylock 15, Greylock Principals, and/or Greylock 15-A, except to the extent of his pecuniary interest therein. Reflects securities held directly by Greylock 15. Reflects securities held directly by Greylock 15-A. Reflects securities held directly by Greylock 15 Principals. Weighted average price. This transaction was executed in multiple trades at prices ranging from $7.70 to $7.98 inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above. Weighted average price. This transaction was executed in multiple trades at prices ranging from $7.50 to $7.5150 inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above. Reflects securities held directly by Reinvent Sponsor Y LLC (the "Sponsor"). The reporting person may be deemed a beneficial owner of securities held by the Sponsor by virtue of his shared control over and indirect pecuniary interest in the Sponsor. The reporting person disclaims beneficial ownership of the securities held by the Sponsor, except to the extent of his pecuniary interest therein. Reflects securities held by Reprogrammed Interchange LLC ("Reprogrammed"). The reporting person may be deemed a beneficial owner of securities held by Reprogrammed by virtue of his shared control over and indirect pecuniary interest in Reprogrammed. The reporting person disclaims beneficial ownership of the securities held by Reprogrammed, except to the extent of his pecuniary interest therein. Reflects securities held by Programmable Exchange LLC ("Programmable"). The reporting person may be deemed a beneficial owner of securities held by Programmable by virtue of his voting and investment power over such securities. The reporting person disclaims beneficial ownership of the securities held by Programmable, except to the extent of his pecuniary interest therein. Reflects securities held directly by Thigmotropism LLC. The reporting person may be deemed a beneficial owner of securities held by Thigmotropism LLC by virtue of his voting and investment power over such securities. The reporting person disclaims beneficial ownership of the securities held by Thigmotropism LLC, except to the extent of his pecuniary interest therein. /s/ Yijun Han, Attorney-in-fact for Reid Hoffman 2026-05-19