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
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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
5 01 ACQUISITION CORP COM CL A 33836P105 1,861 186,650 SH   SOLE   186,650 0 0
ACADIA PHARMACEUTICALS INC COM 004225108 7,317 300,000 SH Call SOLE   300,000 0 0
ACER THERAPEUTICS INC COM 00444P108 2,673 934,755 SH   SOLE   934,755 0 0
ADICET BIO INC COM 007002108 3,195 310,540 SH   SOLE   310,540 0 0
AEGLEA BIOTHERAPEUTICS INC COM 00773J103 11,672 1,677,036 SH   SOLE   1,677,036 0 0
AKEBIA THERAPEUTICS INC COM 00972D105 19,595 5,170,063 SH   SOLE   5,170,063 0 0
AKUMIN INC COM 01021F109 19,595 6,220,740 SH   SOLE   6,220,740 0 0
ALTA EQUIPMENT GROUP INC COMMON STOCK 02128L106 27,302 2,054,289 SH   SOLE   2,054,289 0 0
ANGION BIOMEDICA CORP COM 03476J107 1,628 125,000 SH   SOLE   125,000 0 0
APOLLO ENDOSURGERY INC COM 03767D108 18,772 2,317,491 SH   SOLE   2,317,491 0 0
APTOSE BIOSCIENCES INC COM NEW 03835T200 25,038 7,541,497 SH   SOLE   7,541,497 0 0
ARYA SCIENCES ACQU CORP IV CL A G31659108 4,288 400,000 SH   SOLE   400,000 0 0
AT HOME GROUP INC COM 04650Y100 10,499 285,000 SH   SOLE   285,000 0 0
AUTOLUS THERAPEUTICS PLC SPON ADS 05280R100 11,909 1,793,500 SH   SOLE   1,793,500 0 0
AVENUE THERAPEUTICS INC COM NEW 05360L205 76 30,211 SH   SOLE   30,211 0 0
AVIS BUDGET GROUP COM 053774105 8,030 103,100 SH   SOLE   103,100 0 0
B RILEY PRINCIPAL 150 MERGER UNIT 99/99/9999 05601V202 3,799 375,000 SH   SOLE   375,000 0 0
B. RILEY FINANCIAL INC COM 05580M108 7,162 94,858 SH   SOLE   94,858 0 0
BBQ HLDGS INC COM 05551A109 18,980 1,000,000 SH   SOLE   1,000,000 0 0
BOLT BIOTHERAPEUTICS INC COM 097702104 773 50,000 SH   SOLE   50,000 0 0
BUCKLE INC COM 118440106 19,900 400,000 SH Call SOLE   400,000 0 0
CARVANA CO CL A 146869102 61,481 203,700 SH Call SOLE   203,700 0 0
CATALYST BIOSCIENCES INC COM NEW 14888D208 10,961 2,531,360 SH   SOLE   2,531,360 0 0
CERECOR INC COM 15671L109 20,685 6,325,677 SH   SOLE   6,325,677 0 0
CODEXIS INC COM 192005106 87,496 3,861,232 SH   SOLE   3,861,232 0 0
CUE BIOPHARMA INC COM 22978P106 31,195 2,677,666 SH   SOLE   2,677,666 0 0
CURIS INC COM NEW 231269200 16,814 2,083,536 SH   SOLE   2,083,536 0 0
CYREN LTD SHS M26895108 485 598,540 SH   SOLE   598,540 0 0
DARIOHEALTH CORP COM NEW 23725P209 22,717 1,063,515 SH   SOLE   1,063,515 0 0
DHI GROUP INC COM 23331S100 12,773 3,778,900 SH   SOLE   3,778,900 0 0
DOVER MOTORSPORTS INC COM 260174107 5,843 2,597,086 SH   SOLE   2,597,086 0 0
DXP ENTERPRISES INC COM NEW 233377407 42,597 1,279,183 SH   SOLE   1,279,183 0 0
ELOXX PHARMACEUTICALS INC COM 29014R103 4,510 2,266,287 SH   SOLE   2,266,287 0 0
ESTABLISHMENT LABS HLDGS INC COM G31249108 168,327 1,927,264 SH   SOLE   1,927,264 0 0
EXACT SCIENCES CORP COM 30063P105 12,431 100,000 SH Put SOLE   100,000 0 0
EXAGEN INC COM 30068X103 5,515 367,936 SH   SOLE   367,936 0 0
FALCON MINERALS CORP *W EXP 07/21/202 30607B208 167 878,022 SH   SOLE   878,022 0 0
FALCON MINERALS CORP CL A COM 30607B109 13,344 2,626,748 SH   SOLE   2,626,748 0 0
FINTECH ACQUISITION CORP V UNIT 99/99/9999 31810Q305 13,080 1,000,000 SH   SOLE   1,000,000 0 0
FINTECH ACQUISITION CORP VI UNIT 06/24/2026 31811H205 10,090 1,000,000 SH   SOLE   1,000,000 0 0
FORTRESS BIOTECH INC COM 34960Q109 26,879 7,529,169 SH   SOLE   7,529,169 0 0
FTAC ATHENA ACQUISITION CORP UNIT 99/99/9999 G37283127 10,200 1,000,000 SH   SOLE   1,000,000 0 0
FTAC HERA ACQUISITION CORP UNIT 02/28/2026 G3728Y129 10,045 1,000,000 SH   SOLE   1,000,000 0 0
FTAC PARNASSUS ACQUISITN COR UNIT 03/10/2026 30319B207 10,050 1,000,000 SH   SOLE   1,000,000 0 0
GALMED PHARMACEUTICALS LTD SHS M47238106 2,872 944,631 SH   SOLE   944,631 0 0
GOLDEN ENTMT INC COM 381013101 32,526 726,027 SH   SOLE   726,027 0 0
HARPOON THERAPEUTICS INC COM 41358P106 6,148 443,247 SH   SOLE   443,247 0 0
HCA HEALTHCARE INC COM 40412C101 7,360 35,600 SH   SOLE   35,600 0 0
HEALTHCOR CATALIO ACQU CORP CL A SHS G44125105 3,490 354,296 SH   SOLE   354,296 0 0
HERBALIFE NUTRITION LTD COM SHS G4412G101 14,659 278,000 SH Call SOLE   278,000 0 0
HOOKIPA PHARMA INC COM 43906K100 4,691 512,108 SH   SOLE   512,108 0 0
HTG MOLECULAR DIAGNOSTICS IN COM NEW 40434H203 2,113 363,622 SH   SOLE   363,622 0 0
IKENA ONCOLOGY INC COM 45175G108 4,909 349,660 SH   SOLE   349,660 0 0
IMAC HLDGS INC COM 44967K104 4,898 2,473,637 SH   SOLE   2,473,637 0 0
IMAX CORP COM 45245E109 12,900 600,000 SH Call SOLE   600,000 0 0
IMAX CORP COM 45245E109 47,117 2,191,490 SH   SOLE   2,191,490 0 0
IMMATICS N.V *W EXP 07/01/202 N44445117 779 226,471 SH   SOLE   226,471 0 0
IMMATICS N.V SHS N44445109 29,543 2,544,622 SH   SOLE   2,544,622 0 0
INSU ACQUISITION CORP III UNIT 12/31/2026 457817302 10,050 1,000,000 SH   SOLE   1,000,000 0 0
INTERNATIONAL MNY EXPRESS IN COM 46005L101 25,575 1,722,240 SH   SOLE   1,722,240 0 0
ISHARES TR 20 YR TR BD ETF 464287432 173,220 1,200,000 SH Put SOLE   1,200,000 0 0
ISHARES TR RUS 2000 GRW ETF 464287648 93,507 300,000 SH Put SOLE   300,000 0 0
ISHARES TR RUSSELL 2000 ETF 464287655 458,740 2,000,000 SH Put SOLE   2,000,000 0 0
KEROS THERAPEUTICS INC COM 492327101 25,434 598,880 SH   SOLE   598,880 0 0
KINTARA THERAPEUTICS INC COM 49720K101 1,188 523,279 SH   SOLE   523,279 0 0
KIRKLANDS INC COM 497498105 3,032 132,500 SH Put SOLE   132,500 0 0
LAVA THERAPEUTICS NV SHS N51517105 4,148 381,227 SH   SOLE   381,227 0 0
LINCOLN EDL SVCS CORP COM 533535100 11,345 1,458,208 SH   SOLE   1,458,208 0 0
LUXFER HOLDINGS PLC SHS G5698W116 46,570 2,093,024 SH   SOLE   2,093,024 0 0
MEDIACO HLDG INC CL A 58450D104 373 103,680 SH   SOLE   103,680 0 0
MERRIMACK PHARMACEUTICALS IN COM NEW 590328209 3,655 571,946 SH   SOLE   571,946 0 0
META FINL GROUP INC COM 59100U108 54,373 1,073,936 SH   SOLE   1,073,936 0 0
METROMILE INC *W EXP 02/09/202 591697115 1,234 558,296 SH   SOLE   558,296 0 0
METROMILE INC COM 591697107 25,006 2,732,851 SH   SOLE   2,732,851 0 0
MILLER HERMAN INC COM 600544100 23,570 500,000 SH Call SOLE   500,000 0 0
MILLER HERMAN INC COM 600544100 64,406 1,366,266 SH   SOLE   1,366,266 0 0
NAUTILUS BIOTECHNOLOGY INC COM 63909J108 12,027 1,190,810 SH   SOLE   1,190,810 0 0
NEUROPACE INC COM 641288105 3,507 147,404 SH   SOLE   147,404 0 0
PAR TECHNOLOGY CORP NOTE 2.875% 4/1 698884AC7 10,884 6,000,000 PRN   SOLE   6,000,000 0 0
PARTY CITY HOLDCO INC COM 702149105 9,330 1,000,000 SH Call SOLE   1,000,000 0 0
PAYA HOLDINGS INC COM CL A 70434P103 16,465 1,494,116 SH   SOLE   1,494,116 0 0
PAYONEER GLOBAL INC *W EXP 06/25/202 70451X112 790 333,327 SH   SOLE   333,327 0 0
PAYONEER GLOBAL INC COM 70451X104 18,758 1,808,889 SH   SOLE   1,808,889 0 0
PELOTON INTERACTIVE INC CL A COM 70614W100 24,804 200,000 SH Call SOLE   200,000 0 0
PERELLA WEINBERG PARTNERS *W EXP 12/31/202 71367G110 1,112 400,000 SH   SOLE   400,000 0 0
PERELLA WEINBERG PARTNERS CLASS A COM 71367G102 19,431 1,510,996 SH   SOLE   1,510,996 0 0
QAD INC CL A 74727D306 80,646 926,756 SH   SOLE   926,756 0 0
READING INTL INC CL A 755408101 16,148 2,316,739 SH   SOLE   2,316,739 0 0
RED VIOLET INC COM 75704L104 23,520 1,000,000 SH   SOLE   1,000,000 0 0
REGIS CORP MINN COM 758932107 5,148 550,000 SH Put SOLE   550,000 0 0
RMR GROUP INC CL A 74967R106 25,540 660,984 SH   SOLE   660,984 0 0
ROTH CH ACQUISITION III CO UNIT 02/26/2026 77867Q201 4,110 399,006 SH   SOLE   399,006 0 0
SCIENTIFIC GAMES CORP COM 80874P109 120,752 1,559,300 SH Call SOLE   1,559,300 0 0
SCIENTIFIC GAMES CORP COM 80874P109 18,402 237,628 SH   SOLE   237,628 0 0
SCULLY ROYALTY LTD COM SHS G7T96K107 9,481 779,349 SH   SOLE   779,349 0 0
SHIFT TECHNOLOGIES INC CL A 82452T107 42,917 5,001,932 SH   SOLE   5,001,932 0 0
SIGA TECHNOLOGIES INC COM 826917106 312 49,605 SH   SOLE   49,605 0 0
SILVERBACK THERAPEUTICS INC COM 82835W108 39,115 1,266,266 SH   SOLE   1,266,266 0 0
SOARING EAGLE ACQUISITION CO CL A SHS G8354H126 9,754 979,358 SH   SOLE   979,358 0 0
SOLENO THERAPEUTICS INC COM NEW 834203200 11,132 9,765,129 SH   SOLE   9,765,129 0 0
SPDR SER TR S&P BIOTECH 78464A870 54,160 400,000 SH Put SOLE   400,000 0 0
STRATA SKIN SCIENCES INC COM NEW 86272A206 7,151 4,583,908 SH   SOLE   4,583,908 0 0
SUSTAINABLE OPPORTNTS ACQ CO *W EXP 99/99/999 G8598Y117 1,156 802,758 SH   SOLE   802,758 0 0
SYNDAX PHARMACEUTICALS INC COM 87164F105 44,528 2,593,337 SH   SOLE   2,593,337 0 0
TAYSHA GENE THERAPIES INC COM SHS 877619106 9,160 432,072 SH   SOLE   432,072 0 0
TELADOC HEALTH INC COM 87918A105 39,910 240,000 SH Put SOLE   240,000 0 0
TELIGENT INC NEW COM NEW 87960W203 1,294 2,418,987 SH   SOLE   2,418,987 0 0
TENET HEALTHCARE CORP COM NEW 88033G407 58,676 875,900 SH Call SOLE   875,900 0 0
TFF PHARMACEUTICALS INC COM 87241J104 3,535 367,817 SH   SOLE   367,817 0 0
TRAVEL PLUS LEISURE CO COM 894164102 49,349 830,092 SH   SOLE   830,092 0 0
TRAVELCENTERS OF AMERICA INC COM NEW 89421B109 37,746 1,290,898 SH   SOLE   1,290,898 0 0
UNIQURE NV SHS N90064101 64,862 2,105,900 SH Call SOLE   2,105,900 0 0
UNIQURE NV SHS N90064101 54,293 1,762,766 SH   SOLE   1,762,766 0 0
VIEMED HEALTHCARE INC COM 92663R105 12,159 1,700,596 SH   SOLE   1,700,596 0 0
VIRGIN GALACTIC HOLDINGS INC COM 92766K106 18,400 400,000 SH Call SOLE   400,000 0 0
VONAGE HLDGS CORP COM 92886T201 18,012 1,250,000 SH Call SOLE   1,250,000 0 0
VONAGE HLDGS CORP COM 92886T201 61,489 4,267,140 SH   SOLE   4,267,140 0 0
WAVE LIFE SCIENCES LTD SHS Y95308105 11,950 1,794,232 SH   SOLE   1,794,232 0 0
WAYFAIR INC CL A 94419L101 411,686 1,304,000 SH Call SOLE   1,304,000 0 0
ZOGENIX INC COM NEW 98978L204 6,682 386,696 SH   SOLE   386,696 0 0
ZOVIO INC COM 98979V102 8,136 3,141,286 SH   SOLE   3,141,286 0 0