0001209191-21-033798.txt : 20210518 0001209191-21-033798.hdr.sgml : 20210518 20210518200041 ACCESSION NUMBER: 0001209191-21-033798 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210516 FILED AS OF DATE: 20210518 DATE AS OF CHANGE: 20210518 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: WIDDER KENNETH J CENTRAL INDEX KEY: 0001065168 STANDARD INDUSTRIAL CLASSIFICATION: IN VITRO & IN VIVO DIAGNOSTIC SUBSTANCES [2835] FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-10961 FILM NUMBER: 21937964 MAIL ADDRESS: STREET 1: 10070 BARNES CANYON ROAD CITY: SAN DIEGO STATE: CA ZIP: 92121 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: QUIDEL CORP /DE/ CENTRAL INDEX KEY: 0000353569 STANDARD INDUSTRIAL CLASSIFICATION: IN VITRO & IN VIVO DIAGNOSTIC SUBSTANCES [2835] IRS NUMBER: 942573850 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 9975 SUMMERS RIDGE ROAD CITY: SAN DIEGO STATE: CA ZIP: 92121 BUSINESS PHONE: 8585521100 MAIL ADDRESS: STREET 1: 9975 SUMMERS RIDGE ROAD CITY: SAN DIEGO STATE: CA ZIP: 92121 FORMER COMPANY: FORMER CONFORMED NAME: MONOCLONAL ANTIBODIES INC /DE/ DATE OF NAME CHANGE: 19910210 4 1 doc4.xml FORM 4 SUBMISSION X0306 4 2021-05-16 0 0000353569 QUIDEL CORP /DE/ QDEL 0001065168 WIDDER KENNETH J 9975 SUMMERS RIDGE ROAD SAN DIEGO CA 92121 1 0 0 0 Common Stock 2021-05-16 4 M 0 576 0.00 A 16032 D Restricted Stock Units (Premium) 2021-05-16 4 M 0 576 0.00 D 2018-05-16 Common Stock 576 0 D Reflects release of restricted stock units that were previously reported on Form 4. Restricted stock units convert into common stock on a one-for-one basis. Restricted stock units released on the transaction date pursuant to the Issuer's deferred compensation plan. Robert J. Bujarski, attorney-in-fact for Kenneth J. Widder 2021-05-18