X0306 4 2018-06-13 0 0001396814 Pacira Pharmaceuticals, Inc. PCRX 0001288231 LONGENECKER JOHN P PHD C/O PACIRA PHARMACEUTICALS, INC. 5 SYLVAN WAY, SUITE 300 PARSIPPANY NJ 07054 1 0 0 0 Common Stock 2018-06-13 4 A 0 782 0.00 A 5927 D Stock Option (Right to Buy) 38.35 2018-06-13 4 A 0 4693 0.00 A 2028-06-13 Common Stock 4693 4693 D Represents restricted stock units that vest on June 3, 2019, provided that the reporting person remains in continuous service with the issuer through the vesting date. Each restricted stock unit represents the contingent right to receive one share of the issuer's common stock. The stock option vests and becomes exercisable on the first anniversary of the grant date, provided that the reporting person remains in continuous service with the issuer through the vesting date. /s/ Kristen Williams, Attorney-in-Fact 2018-06-15