X0306 4 2015-02-24 0 0001389072 HeartWare International, Inc. HTWR 0001615034 Strong Mark C/O HEARTWARE INTERNATIONAL, INC. 500 OLD CONNECTICUT PATH FRAMINGHAM MA 01701 0 1 0 0 Senior VP, R&D and Quality Common Stock 2015-02-24 4 M 0 527 0.00 A 1402 D Common Stock 2015-02-25 4 S 0 206 89.56 D 1196 D Common Stock 2015-02-25 4 S 0 189 89.56 D 1007 D Restricted Stock Unit 2015-02-24 4 M 0 527 0.00 D 2015-02-24 2015-02-24 Common Stock 527 26079 D On February 24, 2014, the reporting person was granted restricted stock units to acquire 2,106 shares of HeartWare International common stock. The award vests in four installments on February 24, 2015, February 24, 2016, February 24, 2017 and February 24, 2018. On February 24, 2015, 527 shares of common stock were issued to the reporting person. These shares were sold pursuant to a pre-arranged trading plan in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934. The sale proceeds were utilized to pay taxes related to the vesting of restricted stock units and receipt of the related shares reported on this Form 4. These shares were sold pursuant to a pre-arranged trading plan in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934. Each restricted stock unit represents a contingent right to receive one share of the Company's common stock. /s/ Larry Knopf as Attorney-in-Fact 2015-02-26