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
ABBVIE INC COM 00287Y109 3,625 44,980 SH   SOLE   44,980 0 0
ABIOMED INC COM 003654100 5,712 20,000 SH Call SOLE   20,000 0 0
ACASTI PHARMA INC CL A NEW 00430K402 212 208,099 SH   SOLE   208,099 0 0
ACCURAY INC COM 004397105 4,770 1,000,000 SH Call SOLE   1,000,000 0 0
ADMA BIOLOGICS INC COM 000899104 1,811 477,800 SH Put SOLE   477,800 0 0
AGILE THERAPEUTICS INC COM 00847L100 112 74,265 SH   SOLE   74,265 0 0
ALIGN TECHNOLOGY INC COM 016255101 7,108 25,000 SH Put SOLE   25,000 0 0
ALLERGAN PLC SHS G0177J108 6,168 42,125 SH   SOLE   42,125 0 0
AMARIN CORP PLC SPONS ADR NEW 023111206 4,883 235,204 SH   SOLE   235,204 0 0
ARQULE INC COM 04269E107 1,837 383,500 SH   SOLE   383,500 0 0
AVANOS MED INC COM 05350V106 3,735 87,500 SH   SOLE   87,500 0 0
AXOGEN INC COM 05463X106 6,792 322,500 SH   SOLE   322,500 0 0
AXOGEN INC COM 05463X106 6,318 300,000 SH Call SOLE   300,000 0 0
AXSOME THERAPEUTICS INC COM 05464T104 3,040 213,645 SH   SOLE   213,645 0 0
AXSOME THERAPEUTICS INC COM 05464T104 2,240 157,400 SH Call SOLE   157,400 0 0
BAXTER INTL INC COM 071813109 5,692 70,000 SH   SOLE   70,000 0 0
BIODELIVERY SCIENCES INTL IN COM 09060J106 3,713 700,478 SH   SOLE   700,478 0 0
BIOHAVEN PHARMACTL HLDG CO L COM G11196105 1,544 30,000 SH   SOLE   30,000 0 0
BOSTON SCIENTIFIC CORP COM 101137107 8,060 210,000 SH   SOLE   210,000 0 0
BRISTOL-MYERS SQUIBB CO COM 110122108 4,771 100,000 SH Call SOLE   100,000 0 0
CATALYST PHARMACEUTICALS INC COM 14888U101 1,008 197,594 SH   SOLE   197,594 0 0
CELGENE CORP COM 151020104 4,717 50,000 SH   SOLE   50,000 0 0
CLOVIS ONCOLOGY INC COM 189464100 496 20,000 SH   SOLE   20,000 0 0
COHERUS BIOSCIENCES INC COM 19249H103 2,259 165,613 SH   SOLE   165,613 0 0
CONCERT PHARMACEUTICALS INC COM 206022105 2,715 224,900 SH Call SOLE   224,900 0 0
CONMED CORP COM 207410101 3,327 40,000 SH   SOLE   40,000 0 0
DANAHER CORPORATION COM 235851102 5,941 45,000 SH   SOLE   45,000 0 0
DAVITA INC COM 23918K108 5,429 100,000 SH Put SOLE   100,000 0 0
DENTSPLY SIRONA INC COM 24906P109 10,414 210,000 SH   SOLE   210,000 0 0
DENTSPLY SIRONA INC COM 24906P109 12,398 250,000 SH Call SOLE   250,000 0 0
DEXCOM INC COM 252131107 7,716 64,787 SH   SOLE   64,787 0 0
DEXCOM INC COM 252131107 1,787 15,000 SH Call SOLE   15,000 0 0
EDWARDS LIFESCIENCES CORP COM 28176E108 9,567 50,000 SH Put SOLE   50,000 0 0
EHEALTH INC COM 28238P109 1,870 30,000 SH   SOLE   30,000 0 0
ENCOMPASS HEALTH CORP COM 29261A100 3,282 56,200 SH Put SOLE   56,200 0 0
ESTABLISHMENT LABS HLDGS INC COM G31249108 7,734 321,725 SH   SOLE   321,725 0 0
ETF MANAGERS TR ETFMG ALTR HRVST 26924G508 14,548 400,000 SH Put SOLE   400,000 0 0
EXACT SCIENCES CORP COM 30063P105 5,630 65,000 SH Put SOLE   65,000 0 0
FIRST TR EXCHANGE TRADED FD HLTH CARE ALPH 33734X143 28,654 375,000 SH Put SOLE   375,000 0 0
FLUIDIGM CORP DEL COM 34385P108 5,582 420,000 SH   SOLE   420,000 0 0
GILEAD SCIENCES INC COM 375558103 6,501 100,000 SH   SOLE   100,000 0 0
GLOBUS MED INC CL A 379577208 3,953 80,000 SH   SOLE   80,000 0 0
GUARDANT HEALTH INC COM 40131M109 8,728 113,800 SH   SOLE   113,800 0 0
GUARDANT HEALTH INC COM 40131M109 8,728 113,800 SH Put SOLE   113,800 0 0
ICU MED INC COM 44930G107 17,619 73,619 SH   SOLE   73,619 0 0
IMMUNOGEN INC COM 45253H101 1,422 524,600 SH Call SOLE   524,600 0 0
INCYTE CORP COM 45337C102 2,436 28,318 SH   SOLE   28,318 0 0
INSPIRE MED SYS INC COM 457730109 20,356 358,500 SH   SOLE   358,500 0 0
INTERSECT ENT INC COM 46071F103 6,296 195,826 SH   SOLE   195,826 0 0
INTERSECT ENT INC COM 46071F103 3,215 100,000 SH Call SOLE   100,000 0 0
INTRA CELLULAR THERAPIES INC COM 46116X101 1,218 100,000 SH   SOLE   100,000 0 0
INTRICON CORP COM 46121H109 502 20,000 SH   SOLE   20,000 0 0
INVACARE CORP COM 461203101 6,582 786,439 SH   SOLE   786,439 0 0
IONIS PHARMACEUTICALS INC COM 462222100 4,059 50,000 SH Put SOLE   50,000 0 0
IRHYTHM TECHNOLOGIES INC COM 450056106 5,622 75,000 SH Put SOLE   75,000 0 0
ISHARES TR U.S. MED DVC ETF 464288810 11,577 50,000 SH Put SOLE   50,000 0 0
ISHARES TR RUSSELL 2000 ETF 464287655 67,742 442,500 SH Put SOLE   442,500 0 0
KALA PHARMACEUTICALS INC COM 483119103 2,469 298,599 SH   SOLE   298,599 0 0
KARYOPHARM THERAPEUTICS INC COM 48576U106 584 100,000 SH   SOLE   100,000 0 0
LIVANOVA PLC SHS G5509L101 3,890 40,000 SH   SOLE   40,000 0 0
MACROGENICS INC COM 556099109 243 13,500 SH Call SOLE   13,500 0 0
MASIMO CORP COM 574795100 4,494 32,500 SH   SOLE   32,500 0 0
MERSANA THERAPEUTICS INC COM 59045L106 1,036 196,913 SH   SOLE   196,913 0 0
MYRIAD GENETICS INC COM 62855J104 9,960 300,000 SH Put SOLE   300,000 0 0
NANOSTRING TECHNOLOGIES INC COM 63009R109 15,589 651,441 SH   SOLE   651,441 0 0
NANOSTRING TECHNOLOGIES INC COM 63009R109 6,581 275,000 SH Call SOLE   275,000 0 0
ORTHOFIX MED INC COM 68752M108 5,923 105,000 SH   SOLE   105,000 0 0
ORTHOPEDIATRICS CORP COM 68752L100 5,308 120,000 SH   SOLE   120,000 0 0
OTONOMY INC COM 68906L105 2,613 993,463 SH   SOLE   993,463 0 0
PORTOLA PHARMACEUTICALS INC COM 737010108 1,951 56,225 SH   SOLE   56,225 0 0
PTC THERAPEUTICS INC COM 69366J200 3,174 84,338 SH   SOLE   84,338 0 0
PUMA BIOTECHNOLOGY INC COM 74587V107 718 18,500 SH Call SOLE   18,500 0 0
QIAGEN NV SHS NEW N72482123 8,136 200,000 SH Call SOLE   200,000 0 0
QUOTIENT LTD SHS G73268107 1,970 218,676 SH   SOLE   218,676 0 0
QUOTIENT LTD SHS G73268107 1,014 112,500 SH Call SOLE   112,500 0 0
R1 RCM INC COM 749397105 4,421 457,141 SH   SOLE   457,141 0 0
SAGE THERAPEUTICS INC COM 78667J108 1,591 10,000 SH   SOLE   10,000 0 0
SELECT SECTOR SPDR TR SBI HEALTHCARE 81369Y209 13,763 150,000 SH Put SOLE   150,000 0 0
SHOCKWAVE MED INC COM 82489T104 3,093 92,400 SH   SOLE   92,400 0 0
SIENTRA INC COM 82621J105 1,634 190,429 SH   SOLE   190,429 0 0
SIENTRA INC COM 82621J105 1,716 200,000 SH Call SOLE   200,000 0 0
SIENTRA INC COM 82621J105 2,413 281,200 SH Put SOLE   281,200 0 0
SMITH & NEPHEW GROUP PLC SPDN ADR NEW 83175M205 8,022 200,000 SH Call SOLE   200,000 0 0
SPDR S&P 500 ETF TR TR UNIT 78462F103 87,569 310,000 SH Put SOLE   310,000 0 0
SPDR SER TR S&P BIOTECH 78464A870 4,527 50,000 SH Put SOLE   50,000 0 0
STAAR SURGICAL CO COM PAR $0.01 852312305 10,081 294,842 SH   SOLE   294,842 0 0
STAAR SURGICAL CO COM PAR $0.01 852312305 1,921 56,200 SH Call SOLE   56,200 0 0
STEMLINE THERAPEUTICS INC COM 85858C107 489 38,084 SH   SOLE   38,084 0 0
STRYKER CORPORATION COM 863667101 9,876 50,000 SH Call SOLE   50,000 0 0
TANDEM DIABETES CARE INC COM NEW 875372203 2,540 40,000 SH   SOLE   40,000 0 0
TELADOC HEALTH INC COM 87918A105 3,197 57,500 SH   SOLE   57,500 0 0
TG THERAPEUTICS INC COM 88322Q108 520 64,719 SH   SOLE   64,719 0 0
UNIQURE NV SHS N90064101 440 7,370 SH   SOLE   7,370 0 0
UNITEDHEALTH GROUP INC COM 91324P102 14,836 60,000 SH Put SOLE   60,000 0 0
VAPOTHERM INC COM 922107107 3,305 168,174 SH   SOLE   168,174 0 0
VIEWRAY INC COM 92672L107 8,844 1,196,805 SH   SOLE   1,196,805 0 0
VIEWRAY INC COM 92672L107 1,247 168,700 SH Call SOLE   168,700 0 0
VISTAGEN THERAPEUTICS INC COM NEW 92840H202 544 425,000 SH   SOLE   425,000 0 0
WRIGHT MED GROUP N V ORD SHS N96617118 4,403 140,000 SH   SOLE   140,000 0 0
WRIGHT MED GROUP N V ORD SHS N96617118 3,538 112,500 SH Call SOLE   112,500 0 0
ZIMMER BIOMET HLDGS INC COM 98956P102 14,047 110,000 SH   SOLE   110,000 0 0
ZIMMER BIOMET HLDGS INC COM 98956P102 22,348 175,000 SH Call SOLE   175,000 0 0
ZOGENIX INC COM NEW 98978L204 2,955 53,718 SH   SOLE   53,718 0 0