X0609 4 2026-09-01 0 0000012208 BIO-RAD LABORATORIES, INC. BIO BIO.B 0000940805 SCHWARTZ NORMAN D false C/O BIO-RAD LABORATORIES, INC. 1000 ALFRED NOBEL DRIVE HERCULES CA 94547 1 1 1 0 Chairman & CEO 0 Bio-Rad A Common Stock 2026-09-01 4 M 0 5087 0 A 448521 D Bio-Rad A Common Stock 2026-09-01 4 F 0 2336 380.96 D 446185 D Bio-Rad B Common Stock 361466 D Bio-Rad B Common Stock 13006 I By Spouse Bio-Rad B Common Stock 4060054 I By Blue Raven Partners, L.P. Bio-Rad A Common Stock 1781356 I By Alice N. Schwartz Revocable Trust Bio-Rad A Common Stock 90 I By David Schwartz Exemption Trust Bio-Rad A Common Stock 240 I By David Schwartz Exempt Martial Trust Bio-Rad A Common Stock 898931 I By David Schwartz Non-Exempt Martial Trust Bio-Rad B Common Stock 57000 I By David Schwartz Non-Exempt Martial Trust Bio-Rad A Common Stock 34311 I By Charitable Remainder Unitrust Bio-Rad B Common Stock 437510 I By Alice N. Schwartz Revocable Trust Restricted Stock Units 0 2026-09-01 4 M 0 2082 0 D Bio-Rad A Common Stock 2082 0 D Restricted Stock Units 0 2026-09-01 4 M 0 3005 0 D Bio-Rad A Common Stock 3005 3005 D Shares of Class A common stock acquired on the vesting of restricted stock units. The reporting person disclaims beneficial ownership of these shares. The shares are held by a limited partnership of which the reporting person is a limited and general partner. The reporting person disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein. The shares are held by in trust of which the reporting person serves as the trustee. The reporting person disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein. Each restricted stock unit represents a contingent right to receive one share of Bio-Rad Class A common stock. On September 1, 2022, the reporting person was granted 8,326 restricted stock units, vesting in four equal annual installments beginning on the first anniversary of the grant date. On September 1, 2023, the reporting person was granted 12,020 restricted stock units, vesting in four equal annual installments beginning on the first anniversary of the grant date. /s/ Norman Schwartz 2026-09-03