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 14,466 200,000 SH Call SOLE   200,000 0 0
ACASTI PHARMA INC CL A NEW 00430K402 157 188,260 SH   SOLE   188,260 0 0
ACETO CORP COM 004446100 591 704,034 SH   SOLE   704,034 0 0
ADMA BIOLOGICS INC COM 000899104 89 37,170 SH   SOLE   37,170 0 0
ALEXION PHARMACEUTICALS INC COM 015351109 3,333 34,237 SH   SOLE   34,237 0 0
ALLERGAN PLC SHS G0177J108 2,673 20,000 SH   SOLE   20,000 0 0
ALLSCRIPTS HEALTHCARE SOLUTN COM 01988P108 1,874 194,400 SH Put SOLE   194,400 0 0
AMARIN CORP PLC SPONS ADR NEW 023111206 5,301 389,480 SH   SOLE   389,480 0 0
AMGEN INC COM 031162100 3,893 20,000 SH   SOLE   20,000 0 0
AMGEN INC COM 031162100 6,463 33,200 SH Put SOLE   33,200 0 0
ARQULE INC COM 04269E107 199 71,968 SH   SOLE   71,968 0 0
ATRICURE INC COM 04963C209 2,755 90,030 SH   SOLE   90,030 0 0
AVANOS MED INC COM 05350V106 1,464 32,675 SH   SOLE   32,675 0 0
AXSOME THERAPEUTICS INC COM 05464T104 209 74,000 SH Call SOLE   74,000 0 0
BAXTER INTL INC COM 071813109 4,212 64,000 SH   SOLE   64,000 0 0
BIODELIVERY SCIENCES INTL IN COM 09060J106 2,305 622,922 SH   SOLE   622,922 0 0
BOSTON SCIENTIFIC CORP COM 101137107 814 23,035 SH   SOLE   23,035 0 0
CARDIOVASCULAR SYS INC DEL COM 141619106 227 7,952 SH   SOLE   7,952 0 0
CATALYST PHARMACEUTICALS INC COM 14888U101 346 180,198 SH   SOLE   180,198 0 0
COHERUS BIOSCIENCES INC COM 19249H103 1,910 211,071 SH   SOLE   211,071 0 0
DEXCOM INC COM 252131107 8,686 72,500 SH   SOLE   72,500 0 0
ESTABLISHMENT LABS HLDGS INC COM G31249108 7,880 287,399 SH   SOLE   287,399 0 0
ETF MANAGERS TR ETFMG ALTR HRVST 26924G508 13,044 523,000 SH Put SOLE   523,000 0 0
EXELIXIS INC COM 30161Q104 2,177 110,700 SH Call SOLE   110,700 0 0
EXELIXIS INC COM 30161Q104 1,693 86,055 SH   SOLE   86,055 0 0
FIRST TR EXCHANGE TRADED FD HLTH CARE ALPH 33734X143 30,992 450,000 SH Put SOLE   450,000 0 0
FLUIDIGM CORP DEL COM 34385P108 5,850 678,596 SH   SOLE   678,596 0 0
GLOBAL BLOOD THERAPEUTICS IN COM 37890U108 2,053 50,000 SH Call SOLE   50,000 0 0
GUARDANT HEALTH INC COM 40131M109 4,149 110,363 SH   SOLE   110,363 0 0
ICU MED INC COM 44930G107 14,953 65,119 SH   SOLE   65,119 0 0
IMMUNOGEN INC COM 45253H101 2,368 493,400 SH Call SOLE   493,400 0 0
INCYTE CORP COM 45337C102 13,354 210,000 SH Call SOLE   210,000 0 0
INCYTE CORP COM 45337C102 3,511 55,207 SH   SOLE   55,207 0 0
INOGEN INC COM 45780L104 4,967 40,000 SH Call SOLE   40,000 0 0
INOGEN INC COM 45780L104 580 4,669 SH   SOLE   4,669 0 0
INSPIRE MED SYS INC COM 457730109 3,169 75,000 SH Call SOLE   75,000 0 0
INSPIRE MED SYS INC COM 457730109 15,323 362,673 SH   SOLE   362,673 0 0
INTERSECT ENT INC COM 46071F103 5,364 190,335 SH   SOLE   190,335 0 0
INTRA CELLULAR THERAPIES INC COM 46116X101 316 27,700 SH Call SOLE   27,700 0 0
ISHARES TR RUSSELL 2000 ETF 464287655 56,908 425,000 SH Put SOLE   425,000 0 0
KALA PHARMACEUTICALS INC COM 483119103 1,056 215,870 SH   SOLE   215,870 0 0
KODIAK SCIENCES INC COM 50015M109 173 24,319 SH   SOLE   24,319 0 0
LIVANOVA PLC SHS G5509L101 3,659 40,000 SH   SOLE   40,000 0 0
MASIMO CORP COM 574795100 836 7,783 SH   SOLE   7,783 0 0
MEDTRONIC PLC SHS G5960L103 36,384 400,000 SH Call SOLE   400,000 0 0
NANOSTRING TECHNOLOGIES INC COM 63009R109 8,844 596,392 SH   SOLE   596,392 0 0
NANOSTRING TECHNOLOGIES INC COM 63009R109 4,876 328,800 SH Call SOLE   328,800 0 0
NEVRO CORP COM 64157F103 3,500 90,000 SH Put SOLE   90,000 0 0
ORTHOFIX MED INC COM 68752M108 2,625 50,000 SH Call SOLE   50,000 0 0
ORTHOFIX MED INC COM 68752M108 669 12,738 SH   SOLE   12,738 0 0
ORTHOPEDIATRICS CORP COM 68752L100 4,075 116,831 SH   SOLE   116,831 0 0
OTONOMY INC COM 68906L105 1,658 896,387 SH   SOLE   896,387 0 0
PORTOLA PHARMACEUTICALS INC COM 737010108 976 50,000 SH   SOLE   50,000 0 0
PORTOLA PHARMACEUTICALS INC COM 737010108 976 50,000 SH Put SOLE   50,000 0 0
PROQR THRAPEUTICS N V SHS EURO N71542109 1,212 76,827 SH   SOLE   76,827 0 0
QUEST DIAGNOSTICS INC COM 74834L100 4,164 50,000 SH Put SOLE   50,000 0 0
R1 RCM INC COM 749397105 281 35,283 SH   SOLE   35,283 0 0
RADIUS HEALTH INC COM NEW 750469207 942 57,131 SH   SOLE   57,131 0 0
RIGEL PHARMACEUTICALS INC COM NEW 766559603 764 332,056 SH   SOLE   332,056 0 0
SELECT SECTOR SPDR TR SBI HEALTHCARE 81369Y209 12,977 150,000 SH Put SOLE   150,000 0 0
SESEN BIO INC COM 817763105 284 200,000 SH   SOLE   200,000 0 0
SI BONE INC COM 825704109 4,485 214,684 SH   SOLE   214,684 0 0
SIENTRA INC COM 82621J105 6,991 550,000 SH Put SOLE   550,000 0 0
SPDR S&P 500 ETF TR TR UNIT 78462F103 122,961 492,000 SH Put SOLE   492,000 0 0
STAAR SURGICAL CO COM PAR $0.01 852312305 6,326 198,256 SH   SOLE   198,256 0 0
SYNDAX PHARMACEUTICALS INC COM 87164F105 493 110,700 SH Call SOLE   110,700 0 0
TANDEM DIABETES CARE INC COM NEW 875372203 3,680 96,914 SH   SOLE   96,914 0 0
VANDA PHARMACEUTICALS INC COM 921659108 899 34,400 SH Put SOLE   34,400 0 0
VAPOTHERM INC COM 922107107 2,984 149,554 SH   SOLE   149,554 0 0
VERRICA PHARMACEUTICALS INC COM 92511W108 521 63,916 SH   SOLE   63,916 0 0
VIEWRAY INC COM 92672L107 1,680 276,805 SH   SOLE   276,805 0 0
VIEWRAY INC COM 92672L107 911 150,000 SH Call SOLE   150,000 0 0
WRIGHT MED GROUP N V ORD SHS N96617118 5,749 211,200 SH   SOLE   211,200 0 0
ZOGENIX INC COM NEW 98978L204 1,782 48,887 SH   SOLE   48,887 0 0