X0306 4 2015-05-04 0 0000353569 QUIDEL CORP /DE/ QDEL 0001077650 Dammeyer Rodney F 12544 HIGH BLUFF DRIVE, SUITE 200 SAN DIEGO CA 92130 1 0 0 0 Common Stock 2015-05-04 4 M 0 417 0.00 A 4323 D Common Stock 2015-05-04 4 G 0 4323 0.00 D 0 D Common Stock 2015-05-04 4 G 0 4323 0.00 A 39015 I By Family Trust Restricted Stock Units (Converted) 2015-05-05 4 A 0 2412 0.00 A Common Stock 2412 2412 D Restricted Stock Units (Premium) 2015-05-05 4 A 0 482 0.00 A 2016-05-05 Common Stock 482 482 D Restricted Stock Units (Equity Grant) 2015-05-05 4 A 0 962 0.00 A 2016-05-05 Common Stock 962 962 D Non-Qualified Stock Option 22.86 2015-05-05 4 A 0 7021 0.00 A 2016-05-05 2025-05-05 Common Stock 7021 7021 D Reflects vesting of prior restricted units, which were previously reported on a Form 4. These shares were gifted by the Reporting Person to the Reporting Person's Dammeyer Family Trust. The Reporting Person disclaims all beneficial ownership of the shares owned by the Dammeyer Family Trust, except to the extent of his pecuniary interest, if any, and the inclusion of these shares in this report should not be deemed an admission of beneficial ownership of all of the reported shares for purposes of Section 16 or for any other purpose. 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, May 5, 2015. The restricted stock units were received in lieu of cash payments to the reporting person for certain retainer and Board of Director service-related fees under a deferred compensation program applicable to participating non-employee directors. The restricted stock units vest upon the earlier of (i) immediately prior to the annual meeting of Quidel Corporation's stockholders in 2016 or (b) on the first anniversary of the grant date or May 5, 2016. The restricted stock units vest upon the earlier of (i) immediately prior to the annual meeting of Quidel Corporation's stockholders in 2016 or (b) on the first anniversary of the grant date or May 5, 2016. Robert J. Bujarski, attorney-in-fact for Rodney F. Dammeyer 2015-05-06