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
ACCELERATE DIAGNOSTICS INC COM 00430H102 1,561 70,000 SH Call SOLE   70,000 0 0
ACCURAY INC COM 004397105 2,255 550,000 SH Call SOLE   550,000 0 0
ADMA BIOLOGICS INC COM 000899104 1,466 325,000 SH   SOLE   325,000 0 0
AKORN INC COM 009728106 1,126 67,900 SH Call SOLE   67,900 0 0
ALEXION PHARMACEUTICALS INC COM 015351109 1,242 10,000 SH   SOLE   10,000 0 0
ALLERGAN PLC SHS G0177J108 3,334 20,000 SH   SOLE   20,000 0 0
AMICUS THERAPEUTICS INC COM 03152W109 781 50,000 SH Call SOLE   50,000 0 0
ANGIODYNAMICS INC COM 03475V101 1,131 50,842 SH   SOLE   50,842 0 0
ARDELYX INC COM 039697107 370 100,000 SH   SOLE   100,000 0 0
ATHENAHEALTH INC COM 04685W103 3,342 21,000 SH   SOLE   21,000 0 0
ATHENAHEALTH INC COM 04685W103 11,538 72,500 SH Call SOLE   72,500 0 0
AVROBIO INC COM 05455M100 1,499 52,500 SH   SOLE   52,500 0 0
BAXTER INTL INC COM 071813109 2,954 40,000 SH   SOLE   40,000 0 0
BLUEBIRD BIO INC COM 09609G100 785 5,000 SH   SOLE   5,000 0 0
BOSTON SCIENTIFIC CORP COM 101137107 818 25,000 SH   SOLE   25,000 0 0
BOSTON SCIENTIFIC CORP COM 101137107 6,540 200,000 SH Call SOLE   200,000 0 0
CARA THERAPEUTICS INC COM 140755109 1,915 100,000 SH Call SOLE   100,000 0 0
CARDIOVASCULAR SYS INC DEL COM 141619106 1,876 58,000 SH Call SOLE   58,000 0 0
CATALYST PHARMACEUTICALS INC COM 14888U101 468 150,000 SH   SOLE   150,000 0 0
CELLECTIS S A SPON ADS 15117K103 990 35,000 SH   SOLE   35,000 0 0
CENTENE CORP DEL COM 15135B101 6,161 50,000 SH Call SOLE   50,000 0 0
COHERUS BIOSCIENCES INC COM 19249H103 1,365 97,500 SH Put SOLE   97,500 0 0
COLLEGIUM PHARMACEUTICAL INC COM 19459J104 1,245 52,219 SH   SOLE   52,219 0 0
CORCEPT THERAPEUTICS INC COM 218352102 1,575 100,200 SH Put SOLE   100,200 0 0
CYTOKINETICS INC COM NEW 23282W605 204 24,600 SH Call SOLE   24,600 0 0
DEXCOM INC COM 252131107 2,375 25,000 SH   SOLE   25,000 0 0
EIGER BIOPHARMACEUTICALS INC COM 28249U105 488 40,000 SH   SOLE   40,000 0 0
FOAMIX PHARMACEUTICALS LTD SHS M46135105 121 24,100 SH   SOLE   24,100 0 0
GERON CORP COM 374163103 686 200,000 SH Put SOLE   200,000 0 0
GLAUKOS CORP COM 377322102 3,097 76,200 SH Call SOLE   76,200 0 0
GLAUKOS CORP COM 377322102 2,032 50,000 SH   SOLE   50,000 0 0
GLOBAL BLOOD THERAPEUTICS IN COM 37890U108 466 10,300 SH Call SOLE   10,300 0 0
GLOBAL BLOOD THERAPEUTICS IN COM 37890U108 2,260 50,000 SH Put SOLE   50,000 0 0
GLOBUS MED INC CL A 379577208 3,406 67,500 SH   SOLE   67,500 0 0
GW PHARMACEUTICALS PLC ADS 36197T103 4,186 30,000 SH Call SOLE   30,000 0 0
HOLOGIC INC COM 436440101 3,478 87,500 SH   SOLE   87,500 0 0
HOLOGIC INC COM 436440101 1,988 50,000 SH Call SOLE   50,000 0 0
ICU MED INC COM 44930G107 7,048 24,000 SH   SOLE   24,000 0 0
ICU MED INC COM 44930G107 10,278 35,000 SH Call SOLE   35,000 0 0
IMMUNOMEDICS INC COM 452907108 1,193 50,400 SH   SOLE   50,400 0 0
INCYTE CORP COM 45337C102 670 10,000 SH Call SOLE   10,000 0 0
INSPIRE MED SYS INC COM 457730109 7,142 200,280 SH   SOLE   200,280 0 0
INTERSECT ENT INC COM 46071F103 2,715 72,500 SH   SOLE   72,500 0 0
INTERSECT ENT INC COM 46071F103 2,622 70,000 SH Put SOLE   70,000 0 0
INTRA CELLULAR THERAPIES INC COM 46116X101 353 20,000 SH   SOLE   20,000 0 0
INTRA CELLULAR THERAPIES INC COM 46116X101 442 25,000 SH Call SOLE   25,000 0 0
INVACARE CORP COM 461203101 2,283 122,735 SH   SOLE   122,735 0 0
ISHARES TR RUSSELL 2000 ETF 464287655 7,370 45,000 SH Put SOLE   45,000 0 0
KEMPHARM INC COM 488445107 390 60,000 SH   SOLE   60,000 0 0
LIVANOVA PLC SHS G5509L101 6,992 70,050 SH   SOLE   70,050 0 0
LIVANOVA PLC SHS G5509L101 19,465 195,000 SH Call SOLE   195,000 0 0
MADRIGAL PHARMACEUTICALS INC COM 558868105 3,664 13,100 SH   SOLE   13,100 0 0
MEDTRONIC PLC SHS G5960L103 4,281 50,000 SH   SOLE   50,000 0 0
MERCK & CO. INC COM 58933Y105 1,821 30,000 SH   SOLE   30,000 0 0
METTLER TOLEDO INTERNATIONAL COM 592688105 5,786 10,000 SH Put SOLE   10,000 0 0
MOTUS GI HLDGS INC COM 62014P108 719 100,000 SH   SOLE   100,000 0 0
MYLAN NV SHS EURO N59465109 2,711 75,000 SH Call SOLE   75,000 0 0
NANOSTRING TECHNOLOGIES INC COM 63009R109 2,710 198,117 SH   SOLE   198,117 0 0
NEVRO CORP COM 64157F103 4,791 60,000 SH Put SOLE   60,000 0 0
NUVECTRA CORP COM 67075N108 1,334 65,000 SH   SOLE   65,000 0 0
OBSEVA SA COM H5861P103 1,363 90,000 SH   SOLE   90,000 0 0
ORTHOPEDIATRICS CORP COM 68752L100 1,982 74,385 SH   SOLE   74,385 0 0
OTONOMY INC COM 68906L105 319 82,794 SH   SOLE   82,794 0 0
PROQR THRAPEUTICS N V SHS EURO N71542109 1,979 271,159 SH   SOLE   271,159 0 0
QIAGEN NV SHS NEW N72482123 3,616 100,000 SH Call SOLE   100,000 0 0
RIGEL PHARMACEUTICALS INC COM NEW 766559603 1,557 550,000 SH   SOLE   550,000 0 0
ROCKET PHARMACEUTICALS INC COM 77313F106 1,010 51,459 SH   SOLE   51,459 0 0
SAREPTA THERAPEUTICS INC COM 803607100 2,115 16,000 SH   SOLE   16,000 0 0
SELECT SECTOR SPDR TR SBI HEALTHCARE 81369Y209 5,008 60,000 SH Put SOLE   60,000 0 0
SIENTRA INC COM 82621J105 2,447 125,400 SH Call SOLE   125,400 0 0
SIENTRA INC COM 82621J105 3,588 183,900 SH   SOLE   183,900 0 0
SPDR S&P 500 ETF TR TR UNIT 78462F103 3,391 12,500 SH Put SOLE   12,500 0 0
SPDR SER TR S&P BIOTECH 78464A870 9,519 100,000 SH Put SOLE   100,000 0 0
SPECTRUM PHARMACEUTICALS INC COM 84763A108 2,739 130,700 SH Call SOLE   130,700 0 0
SPECTRUM PHARMACEUTICALS INC COM 84763A108 2,096 100,000 SH Put SOLE   100,000 0 0
STAAR SURGICAL CO COM PAR $0.01 852312305 543 17,500 SH Call SOLE   17,500 0 0
STAAR SURGICAL CO COM PAR $0.01 852312305 3,100 100,000 SH   SOLE   100,000 0 0
SYNEOS HEALTH INC CL A 87166B102 3,283 70,000 SH   SOLE   70,000 0 0
SYNEOS HEALTH INC CL A 87166B102 2,814 60,000 SH Call SOLE   60,000 0 0
T2 BIOSYSTEMS INC COM 89853L104 1,161 150,000 SH   SOLE   150,000 0 0
TG THERAPEUTICS INC COM 88322Q108 658 50,000 SH   SOLE   50,000 0 0
VERTEX PHARMACEUTICALS INC COM 92532F100 2,549 15,000 SH   SOLE   15,000 0 0
VIEWRAY INC COM 92672L107 2,999 433,315 SH   SOLE   433,315 0 0
VIEWRAY INC COM 92672L107 1,384 200,000 SH Call SOLE   200,000 0 0
VIKING THERAPEUTICS INC COM 92686J106 447 47,100 SH   SOLE   47,100 0 0
VIKING THERAPEUTICS INC COM 92686J106 949 100,000 SH Put SOLE   100,000 0 0
WRIGHT MED GROUP N V ORD SHS N96617118 1,947 75,000 SH   SOLE   75,000 0 0
XENCOR INC COM 98401F105 555 15,000 SH   SOLE   15,000 0 0
XENON PHARMACEUTICALS INC COM 98420N105 690 75,000 SH   SOLE   75,000 0 0
ZOGENIX INC COM NEW 98978L204 1,596 36,100 SH Put SOLE   36,100 0 0
ZOGENIX INC COM NEW 98978L204 2,210 50,000 SH Call SOLE   50,000 0 0
ZOGENIX INC COM NEW 98978L204 2,001 45,268 SH   SOLE   45,268 0 0