144 0001333458 XXXXXXXX LIVE 0001906324 QuidelOrtho Corp 001-41409 9975 Summers Ridge Road San Diego CA 92121 8585521100 The Bujarski 2007 Trust U/A Dtd 09/18/2007 Former COO Common UBS Financial Services Inc

1000 Harbor Blvd 3rd Floor Weehawken NJ 07086

100200 4759500 67256717 01/06/2025 NASDAQ COMMON 03/21/2009 RSU QuidelOrtho Corp N 1544 03/21/2009 N/A COMMON 03/30/2010 RSU QuidelOrtho Corp N 1257 03/30/2010 N/A COMMON 01/03/2011 RSU QuidelOrtho Corp N 569 01/03/2011 N/A COMMON 06/09/2011 RSU QuidelOrtho Corp N 638 06/09/2011 N/A COMMON 01/18/2012 RSU QuidelOrtho Corp N 1211 01/18/2012 N/A COMMON 02/24/2016 RSU QuidelOrtho Corp N 384 02/24/2016 N/A COMMON 03/02/2016 RSU QuidelOrtho Corp N 1296 03/02/2016 N/A COMMON 02/24/2018 RSU QuidelOrtho Corp N 214 02/24/2018 N/A COMMON 02/10/2020 RSU QuidelOrtho Corp N 711 02/10/2020 N/A COMMON 02/16/2020 RSU QuidelOrtho Corp N 470 02/16/2020 N/A COMMON 11/18/2020 RSU QuidelOrtho Corp N 676 11/18/2020 N/A COMMON 02/03/2021 RSU QuidelOrtho Corp N 870 02/03/2021 N/A COMMON 02/17/2021 RSU QuidelOrtho Corp N 2474 02/17/2021 N/A COMMON 02/18/2021 RSU QuidelOrtho Corp N 4148 02/18/2021 N/A COMMON 09/14/2021 RSU 133204381 N 157 09/14/2021 N/A COMMON 11/18/2021 RSU QuidelOrtho Corp N 520 11/18/2021 N/A COMMOM 01/16/2022 RSU QuidelOrtho Corp N 2117 01/16/2022 N/A COMMON 02/01/2022 RSU QuidelOrtho Corp N 416 02/01/2022 N/A COMMON 02/03/2022 RSU QuidelOrtho Corp N 787 02/03/2022 N/A COMMON 09/14/2022 RSU QuidelOrtho Corp N 148 09/14/2022 N/A COMMON 10/15/2022 RSU QuidelOrtho Corp N 184 10/15/2022 N/A COMMON 11/18/2022 RSU QuidelOrtho Corp N 489 11/18/2022 N/A COMMON 01/31/2023 RSU QuidelOrtho Corp N 1448 01/31/2023 N/A COMMON 02/01/2023 RSU QuidelOrtho Corp N 416 02/01/2023 N/A COMMON 02/03/2023 RSU QuidelOrtho Corp N 787 02/03/2023 N/A COMMON 02/04/2023 RSU QuidelOrtho Corp N 1718 02/04/2023 N/A COMMON 02/11/2023 RSU QuidelOrtho Corp N 1758 02/11/2023 N/A COMMON 09/14/2023 RSU QuidelOrtho Corp N 158 09/14/2023 N/A COMMON 10/15/2023 RSU QuidelOrtho Corp N 196 10/15/2023 N/A COMMON 01/31/2024 RSU QuidelOrtho Corp N 2915 01/31/2024 N/A COMMON 02/01/2024 RSU QuidelOrtho Corp N 378 02/01/2024 N/A COMMON 02/03/2024 RSU QuidelOrtho Corp N 714 02/03/2024 N/A COMMON 02/10/2024 RSU QuidelOrtho Corp N 612 02/10/2024 N/A COMMON 03/28/2024 RSU QuidelOrtho Corp N 2120 03/28/2024 N/A COMMON 09/14/2024 RSU QuidelOrtho Corp N 137 09/14/2024 N/A COMMON 10/15/2024 RSU QuidelOrtho Corp N 173 10/15/2024 N/A COMMON 11/15/2024 RSU QuidelOrtho Corp N 15441 11/15/2024 N/A OPTIONS 01/06/2025 OPTION EXERCISE QuidelOrtho Corp N 49949 01/06/2025 WIRE TRANSFER N THE BUJARSKI 2007 TRUST U/A DTD 09/18/2007

P.O. BOX 5226 STATELINE NV 89449

COMMON 12/09/2024 10000 402830 The intent is to sell 100,200 shares, this includes 10,000 shares covering 100 call options expiring 2/21/2025 that were part of the filing of 20,000 shares on 12/9/24, of which 10,000 were sold as indicated on table 2 of this form. Robert Bujarski is the seller, he is the former COO of QuidelOrtho Corp and he is the trustee of The Bujarski 2007 Trust. 01/06/2025 /s/ UBS Financial Services Inc, as attorney-in-fact for The Bujarski 2007 Trust U/A Dtd 09/18/2007