The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE
OMB APPROVAL
OMB Number: 3235-0006
Estimated average burden
hours per response: 23.8
COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8
VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
ABBOTT LABS COM 002824100 4,566 80,000 SH   SOLE   80,000 0 0
ABLYNX NV SPONSORED ADR 00372Y105 735 29,399 SH   SOLE   29,399 0 0
ACER THERAPEUTICS INC COM 00444P108 1,256 90,660 SH   SOLE   90,660 0 0
ACORDA THERAPEUTICS INC COM 00484M106 751 35,000 SH   SOLE   35,000 0 0
AGENUS INC COM NEW 00847G705 214 65,700 SH Call SOLE   65,700 0 0
ALEXION PHARMACEUTICALS INC COM 015351109 2,380 19,900 SH   SOLE   19,900 0 0
ARENA PHARMACEUTICALS INC COM NEW 040047607 951 27,983 SH   SOLE   27,983 0 0
ARGENX SE SPONSORED ADR 04016X101 1,288 20,400 SH   SOLE   20,400 0 0
ATHENAHEALTH INC COM 04685W103 6,652 50,000 SH   SOLE   50,000 0 0
AXOGEN INC COM 05463X106 3,396 120,000 SH   SOLE   120,000 0 0
BAXTER INTL INC COM 071813109 4,525 70,000 SH   SOLE   70,000 0 0
BIOHAVEN PHARMACTL HLDG CO L COM G11196105 1,138 42,186 SH   SOLE   42,186 0 0
BIOMARIN PHARMACEUTICAL INC COM 09061G101 3,897 43,700 SH   SOLE   43,700 0 0
BOSTON SCIENTIFIC CORP COM 101137107 5,702 230,000 SH Put SOLE   230,000 0 0
BOSTON SCIENTIFIC CORP COM 101137107 5,702 230,000 SH   SOLE   230,000 0 0
BRISTOL-MYERS SQUIBB CO COM 110122108 3,064 50,000 SH Put SOLE   50,000 0 0
CATALYST BIOSCIENCES INC COM NEW 14888D208 818 60,000 SH   SOLE   60,000 0 0
CIDARA THERAPEUTICS INC COM 171757107 1,870 275,000 SH   SOLE   275,000 0 0
COHERUS BIOSCIENCES INC COM 19249H103 220 25,000 SH   SOLE   25,000 0 0
COHERUS BIOSCIENCES INC COM 19249H103 440 50,000 SH Call SOLE   50,000 0 0
CVS HEALTH CORP COM 126650100 3,263 45,000 SH Call SOLE   45,000 0 0
DECIPHERA PHARMACEUTICALS IN COM 24344T101 1,545 68,154 SH   SOLE   68,154 0 0
DENTSPLY SIRONA INC COM 24906P109 6,089 92,500 SH   SOLE   92,500 0 0
DEXCOM INC COM 252131107 3,265 56,900 SH Put SOLE   56,900 0 0
ENVISION HEALTHCARE CORP COM 29414D100 3,110 90,000 SH   SOLE   90,000 0 0
EXELIXIS INC COM 30161Q104 2,432 80,000 SH   SOLE   80,000 0 0
EXPRESS SCRIPTS HLDG CO COM 30219G108 2,239 30,000 SH   SOLE   30,000 0 0
FIRST TR EXCHANGE TRADED FD HLTH CARE ALPH 33734X143 9,074 130,000 SH Put SOLE   130,000 0 0
FOAMIX PHARMACEUTICALS LTD SHS M46135105 145 24,100 SH   SOLE   24,100 0 0
GLOBUS MED INC CL A 379577208 3,230 78,600 SH Call SOLE   78,600 0 0
GLOBUS MED INC CL A 379577208 7,501 182,500 SH   SOLE   182,500 0 0
HCA HEALTHCARE INC COM 40412C101 3,953 45,000 SH   SOLE   45,000 0 0
HCA HEALTHCARE INC COM 40412C101 2,196 25,000 SH Call SOLE   25,000 0 0
HOLOGIC INC COM 436440101 3,848 90,000 SH   SOLE   90,000 0 0
ICU MED INC COM 44930G107 7,560 35,000 SH   SOLE   35,000 0 0
INCYTE CORP COM 45337C102 1,894 20,000 SH Call SOLE   20,000 0 0
INCYTE CORP COM 45337C102 4,736 50,000 SH Put SOLE   50,000 0 0
INSULET CORP COM 45784P101 2,760 40,000 SH   SOLE   40,000 0 0
INTERSECT ENT INC COM 46071F103 3,240 100,000 SH   SOLE   100,000 0 0
INTUITIVE SURGICAL INC COM NEW 46120E602 2,920 8,000 SH Call SOLE   8,000 0 0
INVACARE CORP COM 461203101 4,672 277,274 SH   SOLE   277,274 0 0
ISHARES TR NASDAQ BIOTECH 464287556 6,940 65,000 SH Put SOLE   65,000 0 0
ISHARES TR RUSSELL 2000 ETF 464287655 7,242 47,500 SH Put SOLE   47,500 0 0
KADMON HLDGS INC COM 48283N106 724 200,000 SH   SOLE   200,000 0 0
KURA ONCOLOGY INC COM 50127T109 765 50,000 SH   SOLE   50,000 0 0
LIVANOVA PLC SHS G5509L101 7,193 90,000 SH   SOLE   90,000 0 0
LIVANOVA PLC SHS G5509L101 10,230 128,000 SH Call SOLE   128,000 0 0
MAZOR ROBOTICS LTD SPONSORED ADS 57886P103 4,763 92,300 SH Put SOLE   92,300 0 0
MEDPACE HLDGS INC COM 58506Q109 2,538 70,000 SH   SOLE   70,000 0 0
MEDTRONIC PLC SHS G5960L103 3,028 37,500 SH   SOLE   37,500 0 0
NANOSTRING TECHNOLOGIES INC COM 63009R109 219 29,300 SH Call SOLE   29,300 0 0
OSI SYSTEMS INC COM 671044105 12,973 201,500 SH Call SOLE   201,500 0 0
OTONOMY INC COM 68906L105 2,246 404,742 SH   SOLE   404,742 0 0
PENUMBRA INC COM 70975L107 1,412 15,000 SH   SOLE   15,000 0 0
PUMA BIOTECHNOLOGY INC COM 74587V107 989 10,000 SH   SOLE   10,000 0 0
QUANTERIX CORP COM 74766Q101 1,058 49,300 SH   SOLE   49,300 0 0
REGENERON PHARMACEUTICALS COM 75886F107 1,880 5,000 SH   SOLE   5,000 0 0
RIGEL PHARMACEUTICALS INC COM NEW 766559603 2,346 604,563 SH   SOLE   604,563 0 0
SELECT SECTOR SPDR TR SBI HEALTHCARE 81369Y209 8,268 100,000 SH Put SOLE   100,000 0 0
SPDR SER TR S&P BIOTECH 78464A870 7,426 87,500 SH Put SOLE   87,500 0 0
STEADYMED LTD SHS M84920103 796 215,214 SH   SOLE   215,214 0 0
TESARO INC COM 881569107 1,243 15,000 SH   SOLE   15,000 0 0
UNITED THERAPEUTICS CORP DEL COM 91307C102 3,093 20,909 SH   SOLE   20,909 0 0
VANDA PHARMACEUTICALS INC COM 921659108 4,560 300,000 SH Put SOLE   300,000 0 0
VARIAN MED SYS INC COM 92220P105 2,779 25,000 SH Put SOLE   25,000 0 0
VIEWRAY INC COM 92672L107 3,352 362,000 SH   SOLE   362,000 0 0
VIKING THERAPEUTICS INC COM 92686J106 1,762 433,900 SH   SOLE   433,900 0 0
WALGREENS BOOTS ALLIANCE INC COM 931427108 4,720 65,000 SH Call SOLE   65,000 0 0
ZOGENIX INC COM NEW 98978L204 5,217 130,268 SH   SOLE   130,268 0 0