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 359 4,099 SH   SOLE   4,099 0 0
ABBVIE INC COM 00287Y109 3,950 45,100 SH Call SOLE   0 0 0
ABBVIE INC COM 00287Y109 9,381 107,100 SH Put SOLE   0 0 0
ACACIA COMMUNICATIONS INC COM 00401C108 276 4,100 SH Put SOLE   0 0 0
ACACIA COMMUNICATIONS INC COM 00401C108 219 3,250 SH   SOLE   3,250 0 0
AIMMUNE THERAPEUTICS INC COM 00900T107 3,576 103,800 SH   SOLE   103,800 0 0
AIMMUNE THERAPEUTICS INC COM 00900T107 4,296 124,700 SH Put SOLE   0 0 0
AKCEA THERAPEUTICS INC COM 00972L107 174 9,600 SH Put SOLE   0 0 0
AKCEA THERAPEUTICS INC COM 00972L107 172 9,500 SH   SOLE   9,500 0 0
ALTA EQUIPMENT GROUP INC COMMON STOCK 02128L106 1,848 236,049 SH   SOLE   236,049 0 0
AMAZON COM INC COM 023135106 1,259 400 SH   SOLE   400 0 0
AQUABOUNTY TECHNOLOGIES INC COM NEW 03842K200 2 448 SH   SOLE   448 0 0
B. RILEY FINANCIAL INC COM 05580M108 9,037 360,634 SH   SOLE   360,634 0 0
BABCOCK & WILCOX ENTERPRISES COM 05614L209 552 237,923 SH   SOLE   237,923 0 0
BRISTOL-MYERS SQUIBB CO COM 110122108 603 10,000 SH Call SOLE   0 0 0
BRISTOL-MYERS SQUIBB CO RIGHT 99/99/9999 110122157 38 16,900 SH   SOLE   16,900 0 0
CARRIER GLOBAL CORPORATION COM 14448C104 171 5,600 SH   SOLE   5,600 0 0
CELLULAR BIOMEDICINE GROUP I COM NEW 15117P102 114 6,200 SH   SOLE   6,200 0 0
CELLULAR BIOMEDICINE GROUP I COM NEW 15117P102 229 12,500 SH Call SOLE   0 0 0
CELLULAR BIOMEDICINE GROUP I COM NEW 15117P102 194 10,600 SH Put SOLE   0 0 0
CENTENE CORP DEL COM 15135B101 0 16,900 SH Call SOLE   0 0 0
CIGNA CORP NEW COM 125523100 1,254 7,400 SH Call SOLE   0 0 0
CIGNA CORP NEW COM 125523100 407 2,400 SH Put SOLE   0 0 0
CVS HEALTH CORP COM 126650100 0 2,500 SH Put SOLE   0 0 0
DISNEY WALT CO COM DISNEY 254687106 62 500 SH   SOLE   500 0 0
EURONAV NV SHS B38564108 86 9,700 SH Put SOLE   0 0 0
EURONAV NV SHS B38564108 34 3,800 SH Call SOLE   0 0 0
EURONAV NV SHS B38564108 218 24,666 SH   SOLE   24,666 0 0
FIDELITY NATIONAL FINANCIAL FNF GROUP COM 31620R303 11 350 SH   SOLE   350 0 0
FIDELITY NATIONAL FINANCIAL FNF GROUP COM 31620R303 200 6,400 SH Call SOLE   0 0 0
FIDELITY NATIONAL FINANCIAL FNF GROUP COM 31620R303 44 1,400 SH Put SOLE   0 0 0
FITBIT INC CL A 33812L102 28 4,000 SH   SOLE   4,000 0 0
FITBIT INC CL A 33812L102 65 9,300 SH Put SOLE   0 0 0
GENWORTH FINL INC COM CL A 37247D106 286 85,500 SH Call SOLE   0 0 0
GENWORTH FINL INC COM CL A 37247D106 162 48,400 SH Put SOLE   0 0 0
GENWORTH FINL INC COM CL A 37247D106 23 7,000 SH   SOLE   7,000 0 0
GLOBAL SHIP LEASE INC NEW COM CL A Y27183600 36 5,286 SH   SOLE   5,286 0 0
GREAT ELM CAP GROUP INC COM NEW 39036P209 60 25,300 SH   SOLE   25,300 0 0
IMMUNOMEDICS INC COM 452907108 213 2,500 SH Call SOLE   0 0 0
IMMUNOMEDICS INC COM 452907108 213 2,500 SH   SOLE   2,500 0 0
IMMUNOMEDICS INC COM 452907108 230 2,700 SH Put SOLE   0 0 0
INNERWORKINGS INC COM 45773Y105 0 4,300 SH Call SOLE   0 0 0
INVESCO DB MULTI-SECTOR COMM AGRICULTURE FD 46140H106 52 3,500 SH   SOLE   3,500 0 0
INVESTORS BANCORP INC NEW COM 46146L101 0 1 SH   SOLE   1 0 0
ISHARES TR TIPS BD ETF 464287176 25 200 SH   SOLE   200 0 0
KANSAS CITY SOUTHERN COM NEW 485170302 1,429 7,900 SH   SOLE   7,900 0 0
KANSAS CITY SOUTHERN COM NEW 485170302 1,826 10,100 SH Put SOLE   0 0 0
LIVONGO HEALTH INC COM 539183103 119 847 SH   SOLE   847 0 0
MOMENTA PHARMACEUTICALS INC COM 60877T100 0 195,000 SH Put SOLE   0 0 0
NATIONAL BANKSHARES INC VA COM 634865109 4 173 SH   SOLE   173 0 0
NATIONAL HOLDINGS CORP COM NEW 636375206 2,880 1,358,418 SH   SOLE   1,358,418 0 0
NETFLIX INC COM 64110L106 1,700 3,400 SH   SOLE   3,400 0 0
NIKOLA CORP COM 654110105 41 2,000 SH   SOLE   2,000 0 0
NORDIC AMERICAN TANKERS LIMI COM G65773106 139 39,900 SH Put SOLE   0 0 0
NORDIC AMERICAN TANKERS LIMI COM G65773106 316 90,500 SH Call SOLE   0 0 0
OCCIDENTAL PETE CORP COM 674599105 92 9,154 SH   SOLE   9,154 0 0
OCCIDENTAL PETE CORP COM 674599105 2,739 273,600 SH Call SOLE   0 0 0
OCCIDENTAL PETE CORP COM 674599105 375 37,500 SH Put SOLE   0 0 0
OCCIDENTAL PETE CORP *W EXP 08/03/202 674599162 422 140,710 SH   SOLE   140,710 0 0
OTIS WORLDWIDE CORP COM 68902V107 175 2,800 SH   SOLE   2,800 0 0
PRECIGEN INC COM 74017N105 29 8,200 SH Call SOLE   0 0 0
PRECIGEN INC COM 74017N105 16 4,500 SH Put SOLE   0 0 0
PRECIGEN INC COM 74017N105 32 9,171 SH   SOLE   9,171 0 0
QUANTUM CORP COM NEW 747906501 2,703 587,544 SH   SOLE   587,544 0 0
RAYTHEON TECHNOLOGIES CORP COM 75513E101 679 11,800 SH Call SOLE   0 0 0
RAYTHEON TECHNOLOGIES CORP COM 75513E101 1,997 34,700 SH Put SOLE   0 0 0
RAYTHEON TECHNOLOGIES CORP COM 75513E101 593 10,300 SH   SOLE   10,300 0 0
ROSETTA STONE INC COM 777780107 6 200 SH   SOLE   200 0 0
ROSETTA STONE INC COM 777780107 150 5,000 SH Put SOLE   0 0 0
SCORPIO TANKERS INC SHS Y7542C130 521 47,055 SH   SOLE   47,055 0 0
SELECT INTERIOR CONCEPTS INC CL A 816120307 1,268 183,794 SH   SOLE   183,794 0 0
SOFTWARE ACQUISITN GRUP INC UNIT 99/99/9999 83407F200 4,209 423,000 SH   SOLE   423,000 0 0
SONIM TECHNOLOGIES INC COM 83548F101 1,507 1,941,980 SH   SOLE   1,941,980 0 0
SPDR GOLD TR GOLD SHS 78463V107 213 1,200 SH   SOLE   1,200 0 0
SPDR S&P 500 ETF TR TR UNIT 78462F103 3,550 10,600 SH Call SOLE   0 0 0
SPDR S&P 500 ETF TR TR UNIT 78462F103 7,836 23,400 SH Put SOLE   0 0 0
SPDR S&P 500 ETF TR TR UNIT 78462F103 1,942 5,800 SH   SOLE   5,800 0 0
TAUBMAN CTRS INC COM 876664103 1,588 47,700 SH Call SOLE   0 0 0
TAUBMAN CTRS INC COM 876664103 3,502 105,200 SH Put SOLE   0 0 0
TESLA INC COM 88160R101 8,795 20,500 SH Put SOLE   0 0 0
TESLA INC COM 88160R101 1,888 4,400 SH Call SOLE   0 0 0
TIFFANY & CO NEW COM 886547108 24,317 209,900 SH Call SOLE   0 0 0
TIFFANY & CO NEW COM 886547108 6,105 52,700 SH Put SOLE   0 0 0
TIFFANY & CO NEW COM 886547108 973 8,400 SH   SOLE   8,400 0 0
TURQUOISE HILL RES LTD COM 900435108 3 4,000 SH Call SOLE   0 0 0
TURQUOISE HILL RES LTD COM 900435108 0 500 SH Put SOLE   0 0 0
TURQUOISE HILL RES LTD COM 900435108 18 20,900 SH   SOLE   20,900 0 0
UNISYS CORP COM NEW 909214306 1,498 140,366 SH   SOLE   140,366 0 0
VARIAN MED SYS INC COM 92220P105 17 100 SH   SOLE   100 0 0
VARIAN MED SYS INC COM 92220P105 34 200 SH Put SOLE   0 0 0
VIRGIN GALACTIC HOLDINGS INC COM 92766K106 0 600 SH Call SOLE   0 0 0
VIRTUSA CORP COM 92827P102 34 700 SH Put SOLE   0 0 0
VIRTUSA CORP COM 92827P102 34 700 SH   SOLE   700 0 0
WRIGHT MED GROUP N V ORD SHS N96617118 330 10,800 SH Call SOLE   0 0 0
WRIGHT MED GROUP N V ORD SHS N96617118 1,695 55,500 SH Put SOLE   0 0 0
WRIGHT MED GROUP N V ORD SHS N96617118 6 200 SH   SOLE   200 0 0
XPERI HOLDING CORP COM 98390M103 598 52,078 SH   SOLE   52,078 0 0
ZIOPHARM ONCOLOGY INC COM 98973P101 17 6,900 SH   SOLE   6,900 0 0
ZIOPHARM ONCOLOGY INC COM 98973P101 79 31,300 SH Call SOLE   0 0 0