X0306 4 2015-02-25 0 0000353569 QUIDEL CORP /DE/ QDEL 0001067586 STEWARD RANDALL J 12544 HIGH BLUFF DRIVE, SUITE 200 SAN DIEGO CA 92130 0 1 0 0 Chief Financial Officer Common Stock 2015-02-25 4 A 0 901 0.01 A 901 D Common Stock 2015-02-25 4 F 0 330 25.68 D 571 D Reporting Person acquired these shares in connection with Company's 2013 Long-Term Equity Incentive Program. Disposition of shares, as set forth above, was in connection with the Issuer's withholding of common shares to satisfy tax withholding obligations related to the issuance of common shares upon vesting of a restricted stock award. Robert J. Bujarski, attorney-in-fact for Randall J. Steward 2015-02-27