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
ACER THERAPEUTICS INC COM 00444P108 3,398 990,655 SH   SOLE   990,655 0 0
ADVERUM BIOTECHNOLOGIES INC COM 00773U108 1,044 50,000 SH Put SOLE   50,000 0 0
AEGLEA BIOTHERAPEUTICS INC COM 00773J103 29,645 3,204,830 SH   SOLE   3,204,830 0 0
AIMMUNE THERAPEUTICS INC COM 00900T107 8,920 533,788 SH   SOLE   533,788 0 0
AKEBIA THERAPEUTICS INC COM 00972D105 82,853 6,101,111 SH   SOLE   6,101,111 0 0
ALTA EQUIPMENT GROUP INC COMMON STOCK 02128L106 18,927 2,435,887 SH   SOLE   2,435,887 0 0
ALTA EQUIPMENT GROUP INC *W EXP 02/14/202 02128L114 580 187,500 SH   SOLE   187,500 0 0
AMYRIS INC COM NEW 03236M200 12,582 1,664,171 SH   SOLE   1,664,171 0 0
APOLLO ENDOSURGERY INC COM 03767D108 3,023 1,848,672 SH   SOLE   1,848,672 0 0
APTOSE BIOSCIENCES INC COM NEW 03835T200 37,714 5,976,852 SH   SOLE   5,976,852 0 0
ARMSTRONG FLOORING INC COM 04238R106 4,654 1,556,435 SH   SOLE   1,556,435 0 0
ARYA SCIENCES ACQUISITION CO SHS CL A G3165V109 17,504 1,112,087 SH   SOLE   1,112,087 0 0
ARYA SCIENCES ACQUISITION CO UNIT 10/04/2023 G3165V117 8,352 452,944 SH   SOLE   452,944 0 0
ARYA SCIENCES ACQUISTION CO UNIT 06/09/2027 G31655114 9,856 850,000 SH   SOLE   850,000 0 0
AVIS BUDGET GROUP COM 053774105 34,335 1,500,000 SH Put SOLE   1,500,000 0 0
AVIS BUDGET GROUP COM 053774105 15,055 657,700 SH Call SOLE   657,700 0 0
BANCORP INC DEL COM 05969A105 25,715 2,623,939 SH   SOLE   2,623,939 0 0
BIODELIVERY SCIENCES INTL IN COM 09060J106 21,816 5,003,631 SH   SOLE   5,003,631 0 0
CAESARS ENTMT CORP COM 127686103 13,260 331,000 SH Call SOLE   331,000 0 0
CARVANA CO CL A 146869102 70 583 SH   SOLE   583 0 0
CARVANA CO CL A 146869102 92,266 767,600 SH Call SOLE   767,600 0 0
CARVANA CO CL A 146869102 34,161 284,200 SH Call SOLE   284,200 0 0
CARVANA CO CL A 146869102 90,222 750,600 SH Call SOLE   750,600 0 0
CATALYST BIOSCIENCES INC COM NEW 14888D208 10,694 1,821,749 SH   SOLE   1,821,749 0 0
CATASYS INC COM PAR 149049504 10,323 417,249 SH   SOLE   417,249 0 0
CERECOR INC COM 15671L109 14,772 5,681,404 SH   SOLE   5,681,404 0 0
CHEMBIO DIAGNOSTICS INC COM NEW 163572209 815 250,793 SH   SOLE   250,793 0 0
CHEMOCENTRYX INC COM 16383L106 280 4,859 SH   SOLE   4,859 0 0
CODEXIS INC COM 192005106 61,144 5,363,484 SH   SOLE   5,363,484 0 0
CRH MED CORP COM 12626F105 14,168 6,777,905 SH   SOLE   6,777,905 0 0
CUE BIOPHARMA INC COM 22978P106 56,995 2,325,388 SH   SOLE   2,325,388 0 0
CYREN LTD SHS M26895108 1,254 1,062,786 SH   SOLE   1,062,786 0 0
DARIOHEALTH CORP COM NEW 23725P209 1,359 214,091 SH   SOLE   214,091 0 0
DHI GROUP INC COM 23331S100 10,163 4,839,595 SH   SOLE   4,839,595 0 0
DIAMEDICA THERAPEUTICS INC COM NEW 25253X207 5,198 750,000 SH   SOLE   750,000 0 0
DOLBY LABORATORIES INC COM CL A 25659T107 61,272 930,193 SH   SOLE   930,193 0 0
DOVER MOTORSPORTS INC COM 260174107 2,628 1,695,541 SH   SOLE   1,695,541 0 0
DXP ENTERPRISES INC NEW COM NEW 233377407 31,846 1,599,482 SH   SOLE   1,599,482 0 0
EBIX INC COM NEW 278715206 1,498 66,997 SH   SOLE   66,997 0 0
EHEALTH INC COM 28238P109 3,031 30,849 SH   SOLE   30,849 0 0
ESTABLISHMENT LABS HLDGS INC COM G31249108 35,636 1,907,713 SH   SOLE   1,907,713 0 0
EVERI HLDGS INC COM 30034T103 5,174 1,002,648 SH   SOLE   1,002,648 0 0
EXACT SCIENCES CORP COM 30063P105 13,041 150,000 SH Put SOLE   150,000 0 0
EXELA TECHNOLOGIES INC COM 30162V102 8,751 15,790,720 SH   SOLE   15,790,720 0 0
FALCON MINERALS CORP CL A COM 30607B109 6,386 1,995,603 SH   SOLE   1,995,603 0 0
FALCON MINERALS CORP *W EXP 07/21/202 30607B208 282 878,022 SH   SOLE   878,022 0 0
FINTECH ACQUISITION CORP III UNIT 12/01/2023 31811A309 12,278 977,022 SH   SOLE   977,022 0 0
FORTRESS BIOTECH INC COM 34960Q109 11,859 4,424,938 SH   SOLE   4,424,938 0 0
FRANCHISE GROUP INC COM 35180X105 25,336 1,157,965 SH   SOLE   1,157,965 0 0
GALMED PHARMACEUTICALS LTD SHS M47238106 9,908 2,072,745 SH   SOLE   2,072,745 0 0
GLOBAL EAGLE ENTMT INC COM NEW 37951D300 5,504 1,161,255 SH   SOLE   1,161,255 0 0
GOLDEN ENTMT INC COM 381013101 18,980 2,127,788 SH   SOLE   2,127,788 0 0
HALLIBURTON CO COM 406216101 14,099 1,086,200 SH Call SOLE   1,086,200 0 0
HCA HEALTHCARE INC COM 40412C101 28,827 296,999 SH   SOLE   296,999 0 0
HCA HEALTHCARE INC COM 40412C101 14,559 150,000 SH Put SOLE   150,000 0 0
HERTZ GLOBAL HLDGS INC COM 42806J106 705 500,000 SH Call SOLE   500,000 0 0
HERTZ GLOBAL HLDGS INC COM 42806J106 1,128 800,000 SH Call SOLE   800,000 0 0
HTG MOLECULAR DIAGNOSTICS IN COM 40434H104 3,643 5,060,160 SH   SOLE   5,060,160 0 0
INMODE LTD SHS M5425M103 14,496 511,856 SH   SOLE   511,856 0 0
INSURANCE ACQUISITION CORP UNIT 03/31/2024 457867307 7,500 500,000 SH   SOLE   500,000 0 0
INTERNATIONAL MNY EXPRESS IN COM 46005L101 36,292 2,912,690 SH   SOLE   2,912,690 0 0
ISHARES TR IBOXX HI YD ETF 464288513 97,944 1,200,000 SH Put SOLE   1,200,000 0 0
ISHARES TR RUSSELL 2000 ETF 464287655 33,586 234,569 SH   SOLE   234,569 0 0
ISHARES TR RUSSELL 2000 ETF 464287655 85,908 600,000 SH Call SOLE   600,000 0 0
ISHARES TR RUSSELL 2000 ETF 464287655 85,908 600,000 SH Call SOLE   600,000 0 0
ISHARES TR RUSSELL 2000 ETF 464287655 357,950 2,500,000 SH Put SOLE   2,500,000 0 0
ISHARES TR RUSSELL 2000 ETF 464287655 85,908 600,000 SH Put SOLE   600,000 0 0
ISHARES TR RUSSELL 2000 ETF 464287655 143,180 1,000,000 SH Put SOLE   1,000,000 0 0
JOINT CORP COM 47973J102 12,962 848,881 SH   SOLE   848,881 0 0
KEROS THERAPEUTICS INC COM A 492327101 10,315 275,000 SH   SOLE   275,000 0 0
LINCOLN EDL SVCS CORP COM 533535100 9,504 2,436,805 SH   SOLE   2,436,805 0 0
LUXFER HOLDINGS PLC SHS G5698W116 31,887 2,253,472 SH   SOLE   2,253,472 0 0
MARRIOTT VACTINS WORLDWID CO COM 57164Y107 44,528 541,633 SH   SOLE   541,633 0 0
MEDIACO HLDG INC CL A 58450D104 515 98,894 SH   SOLE   98,894 0 0
MEDIFAST INC COM 58470H101 37,878 272,957 SH   SOLE   272,957 0 0
MERRIMACK PHARMACEUTICALS IN COM NEW 590328209 2,490 747,635 SH   SOLE   747,635 0 0
META FINL GROUP INC COM 59100U108 32,701 1,799,727 SH   SOLE   1,799,727 0 0
MOTUS GI HLDGS INC COM 62014P108 551 417,708 SH   SOLE   417,708 0 0
NANTKWEST INC COM 63016Q102 614 50,000 SH   SOLE   50,000 0 0
NATURES SUNSHINE PRODS INC COM 639027101 5,382 597,310 SH   SOLE   597,310 0 0
NELNET INC CL A 64031N108 1,666 34,900 SH   SOLE   34,900 0 0
NEOS THERAPEUTICS INC COM 64052L106 3,158 4,610,000 SH   SOLE   4,610,000 0 0
NN INC COM 629337106 1,972 415,988 SH   SOLE   415,988 0 0
ON DECK CAP INC COM 682163100 3,366 4,685,269 SH   SOLE   4,685,269 0 0
PAR TECHNOLOGY CORP COM 698884103 16,687 557,528 SH   SOLE   557,528 0 0
PELOTON INTERACTIVE INC CL A COM 70614W100 17,331 300,000 SH   SOLE   300,000 0 0
PENN NATL GAMING INC COM 707569109 9,162 300,000 SH Put SOLE   300,000 0 0
QAD INC CL A 74727D306 48,457 1,173,868 SH   SOLE   1,173,868 0 0
RAFAEL HLDGS INC COM CL B 75062E106 6,763 470,604 SH   SOLE   470,604 0 0
READING INTERNATIONAL INC CL A 755408101 6,650 1,564,634 SH   SOLE   1,564,634 0 0
RENT A CTR INC NEW COM 76009N100 4,883 175,510 SH   SOLE   175,510 0 0
RESTORBIO INC COM 76133L103 6,249 2,906,340 SH   SOLE   2,906,340 0 0
RH COM 74967X103 39,306 157,920 SH   SOLE   157,920 0 0
SCIENTIFIC GAMES CORP COM 80874P109 9,227 596,834 SH   SOLE   596,834 0 0
SCIENTIFIC GAMES CORP COM 80874P109 38,650 2,500,000 SH Call SOLE   2,500,000 0 0
SCIENTIFIC GAMES CORP COM 80874P109 2,607 168,600 SH Call SOLE   168,600 0 0
SCIENTIFIC GAMES CORP COM 80874P109 10,204 660,000 SH Call SOLE   660,000 0 0
SCIENTIFIC GAMES CORP COM 80874P109 15,460 1,000,000 SH Call SOLE   1,000,000 0 0
SCIPLAY CORP CL A 809087109 20,243 1,365,032 SH   SOLE   1,365,032 0 0
SCULLY ROYALTY LTD COM SHS G7T96K107 5,730 753,885 SH   SOLE   753,885 0 0
SELECT INTERIOR CONCEPTS INC CL A 816120307 7,136 2,038,767 SH   SOLE   2,038,767 0 0
SIGA TECHNOLOGIES INC COM 826917106 6,947 1,175,438 SH   SOLE   1,175,438 0 0
SOLENO THERAPEUTICS INC COM NEW 834203200 16,487 7,426,368 SH   SOLE   7,426,368 0 0
SPDR SER TR S&P REGL BKG 78464A698 38,390 1,000,000 SH Put SOLE   1,000,000 0 0
SPDR S&P 500 ETF TR TR UNIT 78462F103 123,344 400,000 SH Put SOLE   400,000 0 0
STRATA SKIN SCIENCES INC COM NEW 86272A206 5,388 4,685,062 SH   SOLE   4,685,062 0 0
STREAMLINE HEALTH SOLUTIONS COM 86323X106 3,662 2,753,599 SH   SOLE   2,753,599 0 0
SUNESIS PHARMACEUTICALS INC COM 867328700 2,520 9,566,844 SH   SOLE   9,566,844 0 0
TENET HEALTHCARE CORP COM NEW 88033G407 40,659 2,245,124 SH   SOLE   2,245,124 0 0
TENET HEALTHCARE CORP COM NEW 88033G407 4,528 250,000 SH Call SOLE   250,000 0 0
TENET HEALTHCARE CORP COM NEW 88033G407 10,866 600,000 SH Call SOLE   600,000 0 0
TENET HEALTHCARE CORP COM NEW 88033G407 10,006 552,500 SH Call SOLE   552,500 0 0
TENET HEALTHCARE CORP COM NEW 88033G407 18,110 1,000,000 SH Call SOLE   1,000,000 0 0
TFF PHARMACEUTICALS INC COM 87241J104 4,934 856,517 SH   SOLE   856,517 0 0
TRAVELCENTERS OF AMERICA INC COM NEW 89421B109 5,196 337,390 SH   SOLE   337,390 0 0
UNIQURE NV SHS N90064101 70,661 1,568,149 SH   SOLE   1,568,149 0 0
UNIQURE NV SHS N90064101 14,081 312,500 SH Call SOLE   312,500 0 0
UNIQURE NV SHS N90064101 33,795 750,000 SH Call SOLE   750,000 0 0
UPLAND SOFTWARE INC COM 91544A109 18,212 523,946 SH   SOLE   523,946 0 0
VIEMED HEALTHCARE INC COM 92663R105 14,382 1,498,100 SH   SOLE   1,498,100 0 0
VONAGE HLDGS CORP COM 92886T201 51,641 5,133,300 SH   SOLE   5,133,300 0 0
WAVE LIFE SCIENCES LTD SHS Y95308105 18,193 1,747,679 SH   SOLE   1,747,679 0 0
WAYFAIR INC CL A 94419L101 32 164 SH   SOLE   164 0 0
WAYFAIR INC CL A 94419L101 98,074 496,300 SH Call SOLE   496,300 0 0
WAYFAIR INC CL A 94419L101 100,327 507,700 SH Call SOLE   507,700 0 0
WAYFAIR INC CL A 94419L101 59,283 300,000 SH Call SOLE   300,000 0 0
WORLD ACCEP CORP DEL COM 981419104 24,273 370,469 SH   SOLE   370,469 0 0
WYNDHAM DESTINATIONS INC COM 98310W108 28,009 993,939 SH   SOLE   993,939 0 0
YATRA ONLINE INC ORD SHS G98338109 3,613 5,320,000 SH   SOLE   5,320,000 0 0
ZOVIO INC COM 98979V102 8,118 2,653,087 SH   SOLE   2,653,087 0 0