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 7,336 100,000 SH Call SOLE   100,000 0 0
ACCELERATE DIAGNOSTICS INC COM 00430H102 1,607 70,000 SH Call SOLE   70,000 0 0
ACCURAY INC COM 004397105 1,125 250,000 SH Call SOLE   250,000 0 0
ACETO CORP COM 004446100 478 211,624 SH   SOLE   211,624 0 0
ADMA BIOLOGICS INC COM 000899104 3,548 571,317 SH   SOLE   571,317 0 0
AERIE PHARMACEUTICALS INC COM 00771V108 4,616 75,000 SH Call SOLE   75,000 0 0
ALEXION PHARMACEUTICALS INC COM 015351109 2,102 15,124 SH   SOLE   15,124 0 0
ALKERMES PLC SHS G01767105 2,122 50,000 SH Call SOLE   50,000 0 0
AMARIN CORP PLC SPONS ADR NEW 023111206 3,661 225,000 SH   SOLE   225,000 0 0
AMARIN CORP PLC SPONS ADR NEW 023111206 3,254 200,000 SH Put SOLE   200,000 0 0
AMGEN INC COM 031162100 6,219 30,000 SH Put SOLE   30,000 0 0
AMGEN INC COM 031162100 6,296 30,373 SH   SOLE   30,373 0 0
AMICUS THERAPEUTICS INC COM 03152W109 551 45,560 SH   SOLE   45,560 0 0
ARVINAS INC COM 04335A105 1,265 75,000 SH   SOLE   75,000 0 0
ASTRAZENECA PLC SPONSORED ADR 046353108 3,957 100,000 SH Call SOLE   100,000 0 0
ATRICURE INC COM 04963C209 2,370 67,670 SH   SOLE   67,670 0 0
AVANOS MED INC COM 05350V106 2,778 40,560 SH   SOLE   40,560 0 0
BAXTER INTL INC COM 071813109 4,625 60,000 SH   SOLE   60,000 0 0
BIOCRYST PHARMACEUTICALS INC COM 09058V103 773 101,245 SH   SOLE   101,245 0 0
BIOSPECIFICS TECHNOLOGIES CO COM 090931106 1,179 20,160 SH   SOLE   20,160 0 0
BOSTON SCIENTIFIC CORP COM 101137107 9,738 252,925 SH   SOLE   252,925 0 0
BROOKS AUTOMATION INC NEW COM 114340102 5,699 162,676 SH   SOLE   162,676 0 0
CATALYST PHARMACEUTICALS INC COM 14888U101 765 202,489 SH   SOLE   202,489 0 0
CELLECTIS S A SPON ADS 15117K103 1,000 35,437 SH   SOLE   35,437 0 0
CENTENE CORP DEL COM 15135B101 5,488 37,905 SH   SOLE   37,905 0 0
CLEARSIDE BIOMEDICAL INC COM 185063104 311 50,622 SH   SOLE   50,622 0 0
DEXCOM INC COM 252131107 7,152 50,000 SH Call SOLE   50,000 0 0
DEXCOM INC COM 252131107 6,517 45,560 SH   SOLE   45,560 0 0
DICERNA PHARMACEUTICALS INC COM 253031108 772 50,622 SH   SOLE   50,622 0 0
EIGER BIOPHARMACEUTICALS INC COM 28249U105 486 40,498 SH   SOLE   40,498 0 0
ELANCO ANIMAL HEALTH INC COM 28414H103 3,489 100,000 SH   SOLE   100,000 0 0
ENCOMPASS HEALTH CORP COM 29261A100 3,898 50,000 SH Put SOLE   50,000 0 0
ESTABLISHMENT LABS HLDGS INC COM G31249108 5,010 207,882 SH   SOLE   207,882 0 0
EXELIXIS INC COM 30161Q104 1,772 100,000 SH Call SOLE   100,000 0 0
FIRST TR EXCHANGE TRADED FD HLTH CARE ALPH 33734X143 8,488 100,000 SH Put SOLE   100,000 0 0
FLUIDIGM CORP DEL COM 34385P108 1,124 150,000 SH Call SOLE   150,000 0 0
FLUIDIGM CORP DEL COM 34385P108 1,685 225,000 SH   SOLE   225,000 0 0
GLOBUS MED INC CL A 379577208 3,264 57,500 SH   SOLE   57,500 0 0
GRITSTONE ONCOLOGY INC COM 39868T105 1,068 75,000 SH   SOLE   75,000 0 0
ICU MED INC COM 44930G107 9,048 32,000 SH Call SOLE   32,000 0 0
ICU MED INC COM 44930G107 11,683 41,319 SH   SOLE   41,319 0 0
IMMUNOGEN INC COM 45253H101 1,894 200,000 SH Call SOLE   200,000 0 0
INCYTE CORP COM 45337C102 691 10,000 SH Call SOLE   10,000 0 0
INSPIRE MED SYS INC COM 457730109 10,246 243,493 SH   SOLE   243,493 0 0
INTERSECT ENT INC COM 46071F103 5,750 200,000 SH Call SOLE   200,000 0 0
INTERSECT ENT INC COM 46071F103 2,401 83,527 SH   SOLE   83,527 0 0
INTRA CELLULAR THERAPIES INC COM 46116X101 3,648 168,100 SH Put SOLE   168,100 0 0
INTRA CELLULAR THERAPIES INC COM 46116X101 543 25,000 SH Call SOLE   25,000 0 0
INVACARE CORP COM 461203101 1,455 100,000 SH   SOLE   100,000 0 0
ISHARES TR RUSSELL 2000 ETF 464287655 37,924 225,000 SH Put SOLE   225,000 0 0
LILLY ELI & CO COM 532457108 2,683 25,000 SH Call SOLE   25,000 0 0
LIVANOVA PLC SHS G5509L101 26,034 210,000 SH Call SOLE   210,000 0 0
LIVANOVA PLC SHS G5509L101 8,786 70,871 SH   SOLE   70,871 0 0
MADRIGAL PHARMACEUTICALS INC COM 558868105 793 3,702 SH   SOLE   3,702 0 0
MEDTRONIC PLC SHS G5960L103 9,837 100,000 SH Call SOLE   100,000 0 0
MEDTRONIC PLC SHS G5960L103 7,971 81,027 SH   SOLE   81,027 0 0
MIRATI THERAPEUTICS INC COM 60468T105 2,355 50,000 SH Put SOLE   50,000 0 0
MOLECULAR TEMPLATES INC COM 608550109 522 96,908 SH   SOLE   96,908 0 0
MYLAN NV SHS EURO N59465109 1,830 50,000 SH Call SOLE   50,000 0 0
NANOSTRING TECHNOLOGIES INC COM 63009R109 1,337 75,000 SH Call SOLE   75,000 0 0
NANOSTRING TECHNOLOGIES INC COM 63009R109 6,356 356,494 SH   SOLE   356,494 0 0
NATERA INC COM 632307104 1,697 70,871 SH   SOLE   70,871 0 0
NEVRO CORP COM 64157F103 3,420 60,000 SH Put SOLE   60,000 0 0
NOVO-NORDISK A S ADR 670100205 9,428 200,000 SH Call SOLE   200,000 0 0
NUVECTRA CORP COM 67075N108 3,297 150,000 SH Call SOLE   150,000 0 0
NUVECTRA CORP COM 67075N108 2,519 114,616 SH   SOLE   114,616 0 0
OBSEVA SA COM H5861P103 913 50,622 SH   SOLE   50,622 0 0
OCULAR THERAPEUTIX INC COM 67576A100 592 86,058 SH   SOLE   86,058 0 0
OMNICELL COM COM 68213N109 3,595 50,000 SH Put SOLE   50,000 0 0
ORTHOFIX MED INC COM 68752M108 5,264 91,058 SH   SOLE   91,058 0 0
ORTHOPEDIATRICS CORP COM 68752L100 3,695 100,834 SH   SOLE   100,834 0 0
OTONOMY INC COM 68906L105 791 287,657 SH   SOLE   287,657 0 0
PACIFIC BIOSCIENCES CALIF IN COM 69404D108 1,643 303,734 SH   SOLE   303,734 0 0
PRESTIGE CONSMR HEALTHCARE I COM 74112D101 1,895 50,000 SH Put SOLE   50,000 0 0
PROQR THRAPEUTICS N V SHS EURO N71542109 1,099 56,803 SH   SOLE   56,803 0 0
QIAGEN NV SHS NEW N72482123 1,515 40,000 SH Call SOLE   40,000 0 0
R1 RCM INC COM 749397105 2,307 227,109 SH   SOLE   227,109 0 0
REGENERON PHARMACEUTICALS COM 75886F107 4,040 10,000 SH Call SOLE   10,000 0 0
RIGEL PHARMACEUTICALS INC COM NEW 766559603 971 302,489 SH   SOLE   302,489 0 0
SELECT SECTOR SPDR TR SBI HEALTHCARE 81369Y209 11,894 125,000 SH Put SOLE   125,000 0 0
SELECTA BIOSCIENCES INC COM 816212104 905 58,205 SH   SOLE   58,205 0 0
SPDR S&P 500 ETF TR TR UNIT 78462F103 62,505 215,000 SH Put SOLE   215,000 0 0
SPDR SER TR S&P BIOTECH 78464A870 4,794 50,000 SH Put SOLE   50,000 0 0
SPECTRUM PHARMACEUTICALS INC COM 84763A108 840 50,000 SH   SOLE   50,000 0 0
SPECTRUM PHARMACEUTICALS INC COM 84763A108 1,680 100,000 SH Put SOLE   100,000 0 0
STAAR SURGICAL CO COM PAR $0.01 852312305 5,835 121,556 SH   SOLE   121,556 0 0
SYNDAX PHARMACEUTICALS INC COM 87164F105 808 100,000 SH   SOLE   100,000 0 0
SYNDAX PHARMACEUTICALS INC COM 87164F105 808 100,000 SH Call SOLE   100,000 0 0
SYNEOS HEALTH INC CL A 87166B102 4,697 91,120 SH   SOLE   91,120 0 0
TANDEM DIABETES CARE INC COM NEW 875372203 3,253 75,933 SH   SOLE   75,933 0 0
TELEFLEX INCORPORATED COM 879369106 2,661 10,000 SH Put SOLE   10,000 0 0
TESARO INC COM 881569107 1,980 50,747 SH   SOLE   50,747 0 0
THERMO FISHER SCIENTIFIC INC COM 883556102 3,051 12,500 SH Put SOLE   12,500 0 0
UROVANT SCIENCES LTD SHS G9381B108 120 10,000 SH   SOLE   10,000 0 0
VANECK VECTORS ETF TR SEMICONDUCTOR ET 92189F676 4,790 45,000 SH Put SOLE   45,000 0 0
VARIAN MED SYS INC COM 92220P105 2,798 25,000 SH Put SOLE   25,000 0 0
VERRICA PHARMACEUTICALS INC COM 92511W108 325 20,000 SH   SOLE   20,000 0 0
VIEWRAY INC COM 92672L107 1,638 175,000 SH Call SOLE   175,000 0 0
VIEWRAY INC COM 92672L107 5,811 620,839 SH   SOLE   620,839 0 0
VOCERA COMMUNICATIONS INC COM 92857F107 1,852 50,622 SH   SOLE   50,622 0 0
WRIGHT MED GROUP N V ORD SHS N96617118 5,142 177,178 SH   SOLE   177,178 0 0
Y MABS THERAPEUTICS INC COM 984241109 594 22,350 SH   SOLE   22,350 0 0
ZIMMER BIOMET HLDGS INC COM 98956P102 6,574 50,000 SH Call SOLE   50,000 0 0
ZIMMER BIOMET HLDGS INC COM 98956P102 5,259 40,000 SH   SOLE   40,000 0 0
ZOGENIX INC COM NEW 98978L204 2,480 50,000 SH Call SOLE   50,000 0 0
ZOGENIX INC COM NEW 98978L204 2,218 44,718 SH   SOLE   44,718 0 0