X0306 4 2014-02-28 0 0000353569 QUIDEL CORP /DE/ QDEL 0001406652 BRYANT DOUGLAS C 10165 MCKELLAR COURT SAN DIEGO CA 92121 1 1 0 0 President & CEO Common Stock 2014-03-02 4 A 0 28639 0.01 A 214243 D Common Stock 2014-03-02 4 F 0 10762 28.02 D 203481 D Restricted Stock Units (Converted 2014-02-28 4 A 0 5110 0.00 A Common Stock 5110 5110 D Restricted Stoc Units (Premium) 2014-02-28 4 A 0 1533 0.00 A Common Stock 1533 1533 D Reporting Person acquired these shares in connection with Company's 2011 Long-Term Equity Incentive Program. Disposition of shares, as set forth above, was in connection with Company's withholding of stock to satisfy tax withholding obligations related to the lapse of restrictions on Reporting Person's performance stock unit award. The amount of securities beneficially owned following this transaction include an additional 973 shares due to the Reporting Person's purchase of shares pursuant to the Issuer's Employee Stock Purchase Plan. Each restricted stock unit represents the right to receive one share of Quidel Corporation common stock. The restricted stock units vest on the date of grant, February 28, 2014. The restricted stock units were received in lieu of a percentage of the reporting persons 2013 cash bonus pursuant to the 2013 Employee Deferred Bonus Compensation Program. The restricted stock units vest on the first anniversary date of the grant date, February 28, 2015. Robert J. Bujarski, attorney-in-fact for Douglas C. Bryant 2014-03-04