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    <nameOfIssuer>ACELRX PHARMACEUTICALS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>00444T100</cusip>
    <value>3817</value>
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      <Sole>1652190</Sole>
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    <nameOfIssuer>ACER THERAPEUTICS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>00444P108</cusip>
    <value>229</value>
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      <sshPrnamt>11364</sshPrnamt>
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    <votingAuthority>
      <Sole>11364</Sole>
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      <None>0</None>
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    <nameOfIssuer>ALLIANT ENERGY CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>018802108</cusip>
    <value>4436</value>
    <shrsOrPrnAmt>
      <sshPrnamt>105000</sshPrnamt>
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    <votingAuthority>
      <Sole>105000</Sole>
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      <None>0</None>
    </votingAuthority>
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    <nameOfIssuer>ALTA MESA RES INC</nameOfIssuer>
    <titleOfClass>*W EXP 03/28/202</titleOfClass>
    <cusip>02133L117</cusip>
    <value>5</value>
    <shrsOrPrnAmt>
      <sshPrnamt>66296</sshPrnamt>
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    <votingAuthority>
      <Sole>66296</Sole>
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      <None>0</None>
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    <nameOfIssuer>AMAG PHARMACEUTICALS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>00163U106</cusip>
    <value>2506</value>
    <shrsOrPrnAmt>
      <sshPrnamt>165000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>165000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
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    <nameOfIssuer>AMCI ACQUISITION CORP</nameOfIssuer>
    <titleOfClass>UNIT 01/07/2019</titleOfClass>
    <cusip>00165R200</cusip>
    <value>4478</value>
    <shrsOrPrnAmt>
      <sshPrnamt>450000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
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    <votingAuthority>
      <Sole>450000</Sole>
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      <None>0</None>
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    <nameOfIssuer>ARCO PLATFORM LTD</nameOfIssuer>
    <titleOfClass>COM CL A</titleOfClass>
    <cusip>G04553106</cusip>
    <value>1340</value>
    <shrsOrPrnAmt>
      <sshPrnamt>60582</sshPrnamt>
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    <votingAuthority>
      <Sole>60582</Sole>
      <Shared>0</Shared>
      <None>0</None>
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    <nameOfIssuer>ARYA SCIENCES ACQUISITION CO</nameOfIssuer>
    <titleOfClass>UNIT 10/04/2023</titleOfClass>
    <cusip>G3165V117</cusip>
    <value>5170</value>
    <shrsOrPrnAmt>
      <sshPrnamt>500000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>500000</Sole>
      <Shared>0</Shared>
      <None>0</None>
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    <nameOfIssuer>ATENTO S A</nameOfIssuer>
    <titleOfClass>SHS</titleOfClass>
    <cusip>L0427L105</cusip>
    <value>1293</value>
    <shrsOrPrnAmt>
      <sshPrnamt>322400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>322400</Sole>
      <Shared>0</Shared>
      <None>0</None>
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    <nameOfIssuer>AXOVANT SCIENCES LTD</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>G0750W104</cusip>
    <value>996</value>
    <shrsOrPrnAmt>
      <sshPrnamt>1000000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>1000000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
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    <nameOfIssuer>BANDWIDTH INC</nameOfIssuer>
    <titleOfClass>COM CL A</titleOfClass>
    <cusip>05988J103</cusip>
    <value>1915</value>
    <shrsOrPrnAmt>
      <sshPrnamt>47006</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>47006</Sole>
      <Shared>0</Shared>
      <None>0</None>
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    <nameOfIssuer>BIONANO GENOMICS INC</nameOfIssuer>
    <titleOfClass>*W EXP 08/21/202</titleOfClass>
    <cusip>09075F115</cusip>
    <value>205</value>
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      <Sole>163265</Sole>
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      <None>0</None>
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    <nameOfIssuer>BIONANO GENOMICS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>09075F107</cusip>
    <value>1288</value>
    <shrsOrPrnAmt>
      <sshPrnamt>245860</sshPrnamt>
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      <Sole>245860</Sole>
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      <None>0</None>
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    <nameOfIssuer>BOXWOOD MERGER CORP</nameOfIssuer>
    <titleOfClass>UNIT 11/26/2025</titleOfClass>
    <cusip>10319T200</cusip>
    <value>4965</value>
    <shrsOrPrnAmt>
      <sshPrnamt>500000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>500000</Sole>
      <Shared>0</Shared>
      <None>0</None>
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    <nameOfIssuer>CANNAE HLDGS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>13765N107</cusip>
    <value>856</value>
    <shrsOrPrnAmt>
      <sshPrnamt>50000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>50000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
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    <nameOfIssuer>CAPITOL INVT CORP IV</nameOfIssuer>
    <titleOfClass>*W EXP 01/01/202</titleOfClass>
    <cusip>G18920127</cusip>
    <value>117</value>
    <shrsOrPrnAmt>
      <sshPrnamt>116666</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>116666</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
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    <nameOfIssuer>CARBONITE INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>141337105</cusip>
    <value>985</value>
    <shrsOrPrnAmt>
      <sshPrnamt>39000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>39000</Sole>
      <Shared>0</Shared>
      <None>0</None>
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    <nameOfIssuer>CASA SYS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>14713L102</cusip>
    <value>460</value>
    <shrsOrPrnAmt>
      <sshPrnamt>35000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>35000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
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    <nameOfIssuer>CHARDAN HEALTHCARE ACQUISITI</nameOfIssuer>
    <titleOfClass>UNIT 12/13/2023</titleOfClass>
    <cusip>15957A207</cusip>
    <value>2014</value>
    <shrsOrPrnAmt>
      <sshPrnamt>200000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>200000</Sole>
      <Shared>0</Shared>
      <None>0</None>
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    <nameOfIssuer>CHASERG TECHNLGY ACQUISITN C</nameOfIssuer>
    <titleOfClass>UNIT 09/30/2023</titleOfClass>
    <cusip>16166A202</cusip>
    <value>2498</value>
    <shrsOrPrnAmt>
      <sshPrnamt>250000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>250000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
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    <nameOfIssuer>CHURCHILL CAP CORP</nameOfIssuer>
    <titleOfClass>*W EXP 09/11/202</titleOfClass>
    <cusip>17142R111</cusip>
    <value>348</value>
    <shrsOrPrnAmt>
      <sshPrnamt>400000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>400000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
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    <nameOfIssuer>CIDARA THERAPEUTICS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>171757107</cusip>
    <value>1130</value>
    <shrsOrPrnAmt>
      <sshPrnamt>480851</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>480851</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
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    <nameOfIssuer>CISION LTD</nameOfIssuer>
    <titleOfClass>SHS</titleOfClass>
    <cusip>G1992S109</cusip>
    <value>1170</value>
    <shrsOrPrnAmt>
      <sshPrnamt>100000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>100000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
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    <nameOfIssuer>CLIPPER RLTY INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>18885T306</cusip>
    <value>2079</value>
    <shrsOrPrnAmt>
      <sshPrnamt>159104</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>159104</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
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    <nameOfIssuer>COLLIER CREEK HOLDINGS</nameOfIssuer>
    <titleOfClass>*W EXP 99/99/999</titleOfClass>
    <cusip>G22707114</cusip>
    <value>400</value>
    <shrsOrPrnAmt>
      <sshPrnamt>333332</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>333332</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
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  <infoTable>
    <nameOfIssuer>COLLIER CREEK HOLDINGS</nameOfIssuer>
    <titleOfClass>COM CL A</titleOfClass>
    <cusip>G22707106</cusip>
    <value>4825</value>
    <shrsOrPrnAmt>
      <sshPrnamt>500000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>500000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DFB HEALTHCARE ACQUISTION CO</nameOfIssuer>
    <titleOfClass>*W EXP 04/11/202</titleOfClass>
    <cusip>23291E117</cusip>
    <value>318</value>
    <shrsOrPrnAmt>
      <sshPrnamt>258333</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>258333</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
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  <infoTable>
    <nameOfIssuer>DNB FINL CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>233237106</cusip>
    <value>1319</value>
    <shrsOrPrnAmt>
      <sshPrnamt>46302</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>46302</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
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  <infoTable>
    <nameOfIssuer>DOMO INC</nameOfIssuer>
    <titleOfClass>COM CL B</titleOfClass>
    <cusip>257554105</cusip>
    <value>491</value>
    <shrsOrPrnAmt>
      <sshPrnamt>25000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>25000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
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  <infoTable>
    <nameOfIssuer>EQUITY BANCSHARES INC</nameOfIssuer>
    <titleOfClass>COM CL A</titleOfClass>
    <cusip>29460X109</cusip>
    <value>1058</value>
    <shrsOrPrnAmt>
      <sshPrnamt>30000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>30000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
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    <nameOfIssuer>FAR PT ACQUISITION CORP</nameOfIssuer>
    <titleOfClass>*W EXP 06/01/202</titleOfClass>
    <cusip>30734W117</cusip>
    <value>173</value>
    <shrsOrPrnAmt>
      <sshPrnamt>133332</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>133332</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
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    <nameOfIssuer>FEDERAL STR ACQUISITION CORP</nameOfIssuer>
    <titleOfClass>*W EXP 07/24/202</titleOfClass>
    <cusip>31421V115</cusip>
    <value>200</value>
    <shrsOrPrnAmt>
      <sshPrnamt>249999</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>249999</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
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  <infoTable>
    <nameOfIssuer>FINTECH ACQUISITION CORP III</nameOfIssuer>
    <titleOfClass>UNIT 12/01/2023</titleOfClass>
    <cusip>31811A309</cusip>
    <value>5500</value>
    <shrsOrPrnAmt>
      <sshPrnamt>550000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>550000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
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  <infoTable>
    <nameOfIssuer>FLUIDIGM CORP DEL</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>34385P108</cusip>
    <value>345</value>
    <shrsOrPrnAmt>
      <sshPrnamt>40000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>40000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
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  <infoTable>
    <nameOfIssuer>FORESCOUT TECHNOLOGIES INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>34553D101</cusip>
    <value>910</value>
    <shrsOrPrnAmt>
      <sshPrnamt>35000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>35000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
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  <infoTable>
    <nameOfIssuer>FORUM MERGER II CORP</nameOfIssuer>
    <titleOfClass>*W EXP 09/30/202</titleOfClass>
    <cusip>34986F111</cusip>
    <value>90</value>
    <shrsOrPrnAmt>
      <sshPrnamt>200000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
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    <votingAuthority>
      <Sole>200000</Sole>
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      <None>0</None>
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    <nameOfIssuer>GALECTIN THERAPEUTICS INC</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>363225202</cusip>
    <value>223</value>
    <shrsOrPrnAmt>
      <sshPrnamt>65056</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>65056</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
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    <nameOfIssuer>GODADDY INC</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>380237107</cusip>
    <value>1247</value>
    <shrsOrPrnAmt>
      <sshPrnamt>19000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>19000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
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  <infoTable>
    <nameOfIssuer>GRAFTECH INTL LTD</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>384313508</cusip>
    <value>572</value>
    <shrsOrPrnAmt>
      <sshPrnamt>50000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>50000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
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      <None>0</None>
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    <nameOfIssuer>GTY TECHNOLOGY HOLDINGS INC</nameOfIssuer>
    <titleOfClass>*W EXP 10/25/202</titleOfClass>
    <cusip>G4182A128</cusip>
    <value>208</value>
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      <sshPrnamt>267000</sshPrnamt>
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      <None>0</None>
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    <nameOfIssuer>HAYMAKER ACQUISITION CORP</nameOfIssuer>
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    <cusip>420870115</cusip>
    <value>267</value>
    <shrsOrPrnAmt>
      <sshPrnamt>325000</sshPrnamt>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>325000</Sole>
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      <None>0</None>
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    <nameOfIssuer>HCP INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>40414L109</cusip>
    <value>4190</value>
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      <sshPrnamt>150000</sshPrnamt>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>150000</Sole>
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      <None>0</None>
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    <nameOfIssuer>HUAMI CORP</nameOfIssuer>
    <titleOfClass>SPONSORED ADS</titleOfClass>
    <cusip>44331K103</cusip>
    <value>677</value>
    <shrsOrPrnAmt>
      <sshPrnamt>68899</sshPrnamt>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>68899</Sole>
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      <None>0</None>
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    <nameOfIssuer>IDT CORP</nameOfIssuer>
    <titleOfClass>CL B NEW</titleOfClass>
    <cusip>448947507</cusip>
    <value>1877</value>
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      <sshPrnamt>303290</sshPrnamt>
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    <votingAuthority>
      <Sole>303290</Sole>
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      <None>0</None>
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    <nameOfIssuer>INSPIRE MED SYS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>457730109</cusip>
    <value>4310</value>
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      <sshPrnamt>102000</sshPrnamt>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>102000</Sole>
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      <None>0</None>
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    <nameOfIssuer>INTERNATIONAL MNY EXPRESS IN</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>46005L101</cusip>
    <value>2578</value>
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      <sshPrnamt>215544</sshPrnamt>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>215544</Sole>
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      <None>0</None>
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    <nameOfIssuer>LEO HOLDINGS CORP</nameOfIssuer>
    <titleOfClass>*W EXP 02/07/202</titleOfClass>
    <cusip>G5463L113</cusip>
    <value>80</value>
    <shrsOrPrnAmt>
      <sshPrnamt>74999</sshPrnamt>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>74999</Sole>
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      <None>0</None>
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    <nameOfIssuer>LIQTECH INTL INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>53632A102</cusip>
    <value>280</value>
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      <sshPrnamt>204082</sshPrnamt>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>204082</Sole>
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      <None>0</None>
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    <nameOfIssuer>MACKINAC FINL CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>554571109</cusip>
    <value>1314</value>
    <shrsOrPrnAmt>
      <sshPrnamt>96257</sshPrnamt>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>96257</Sole>
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      <None>0</None>
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    <nameOfIssuer>MARINUS PHARMACEUTICALS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>56854Q101</cusip>
    <value>718</value>
    <shrsOrPrnAmt>
      <sshPrnamt>250000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>250000</Sole>
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      <None>0</None>
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    <nameOfIssuer>MERCANTIL BK HLDG CORP</nameOfIssuer>
    <titleOfClass>CL A NEW</titleOfClass>
    <cusip>58734F305</cusip>
    <value>390</value>
    <shrsOrPrnAmt>
      <sshPrnamt>30000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>30000</Sole>
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      <None>0</None>
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    <nameOfIssuer>MIDLAND STS BANCORP INC ILL</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>597742105</cusip>
    <value>447</value>
    <shrsOrPrnAmt>
      <sshPrnamt>20000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>20000</Sole>
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      <None>0</None>
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    <nameOfIssuer>MOMENTA PHARMACEUTICALS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>60877T100</cusip>
    <value>3864</value>
    <shrsOrPrnAmt>
      <sshPrnamt>350000</sshPrnamt>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>350000</Sole>
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      <None>0</None>
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    <nameOfIssuer>MOSAIC ACQUISITION CORP</nameOfIssuer>
    <titleOfClass>*W EXP 10/23/202</titleOfClass>
    <cusip>61946M118</cusip>
    <value>49</value>
    <shrsOrPrnAmt>
      <sshPrnamt>49999</sshPrnamt>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>49999</Sole>
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      <None>0</None>
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    <nameOfIssuer>MR COOPER GROUP INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>62482R107</cusip>
    <value>516</value>
    <shrsOrPrnAmt>
      <sshPrnamt>44251</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>44251</Sole>
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      <None>0</None>
    </votingAuthority>
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    <nameOfIssuer>MUDRICK CAP ACQUISITION CORP</nameOfIssuer>
    <titleOfClass>*W EXP 02/12/202</titleOfClass>
    <cusip>624745113</cusip>
    <value>90</value>
    <shrsOrPrnAmt>
      <sshPrnamt>200000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>200000</Sole>
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      <None>0</None>
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    <nameOfIssuer>NATIONAL ENERGY SERVICES REU</nameOfIssuer>
    <titleOfClass>*W EXP 05/05/202</titleOfClass>
    <cusip>G6375R115</cusip>
    <value>2755</value>
    <shrsOrPrnAmt>
      <sshPrnamt>2295802</sshPrnamt>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>2295802</Sole>
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      <None>0</None>
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    <nameOfIssuer>NATIONAL ENERGY SERVICES REU</nameOfIssuer>
    <titleOfClass>SHS</titleOfClass>
    <cusip>G6375R107</cusip>
    <value>23775</value>
    <shrsOrPrnAmt>
      <sshPrnamt>2745344</sshPrnamt>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>2745344</Sole>
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      <None>0</None>
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    <nameOfIssuer>NEXEO SOLUTIONS INC</nameOfIssuer>
    <titleOfClass>*W EXP 06/09/202</titleOfClass>
    <cusip>65342H110</cusip>
    <value>560</value>
    <shrsOrPrnAmt>
      <sshPrnamt>1400000</sshPrnamt>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>1400000</Sole>
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      <None>0</None>
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    <nameOfIssuer>NRC GROUP HLDGS CORP</nameOfIssuer>
    <titleOfClass>*W EXP 10/17/202</titleOfClass>
    <cusip>629375114</cusip>
    <value>182</value>
    <shrsOrPrnAmt>
      <sshPrnamt>224999</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>224999</Sole>
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      <None>0</None>
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    <nameOfIssuer>NRC GROUP HLDGS CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>629375106</cusip>
    <value>3732</value>
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      <sshPrnamt>487805</sshPrnamt>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>487805</Sole>
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      <None>0</None>
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    <nameOfIssuer>OLD POINT FINL CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>680194107</cusip>
    <value>1873</value>
    <shrsOrPrnAmt>
      <sshPrnamt>85778</sshPrnamt>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>85778</Sole>
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      <None>0</None>
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    <nameOfIssuer>OOMA INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>683416101</cusip>
    <value>621</value>
    <shrsOrPrnAmt>
      <sshPrnamt>44706</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>44706</Sole>
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      <None>0</None>
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    <nameOfIssuer>ORGANOGENESIS HLDGS INC</nameOfIssuer>
    <titleOfClass>*W EXP 10/07/202</titleOfClass>
    <cusip>68621F110</cusip>
    <value>42</value>
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      <sshPrnamt>200000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>200000</Sole>
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      <None>0</None>
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    <nameOfIssuer>ORTHOPEDIATRICS CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>68752L100</cusip>
    <value>1046</value>
    <shrsOrPrnAmt>
      <sshPrnamt>30000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>30000</Sole>
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      <None>0</None>
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    <nameOfIssuer>OSIRIS THERAPEUTICS INC NEW</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>68827R108</cusip>
    <value>405</value>
    <shrsOrPrnAmt>
      <sshPrnamt>30000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>30000</Sole>
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      <None>0</None>
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    <nameOfIssuer>PRIORITY TECHNOLOGY HLDGS IN</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>74275G107</cusip>
    <value>2000</value>
    <shrsOrPrnAmt>
      <sshPrnamt>250000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>250000</Sole>
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      <None>0</None>
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    <nameOfIssuer>PROTAGONIST THERAPEUTICS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>74366E102</cusip>
    <value>289</value>
    <shrsOrPrnAmt>
      <sshPrnamt>42945</sshPrnamt>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>42945</Sole>
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      <None>0</None>
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    <nameOfIssuer>QUOTIENT LTD</nameOfIssuer>
    <titleOfClass>SHS</titleOfClass>
    <cusip>G73268107</cusip>
    <value>1530</value>
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      <sshPrnamt>250000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>250000</Sole>
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      <None>0</None>
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    <nameOfIssuer>RA PHARMACEUTICALS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>74933V108</cusip>
    <value>1675</value>
    <shrsOrPrnAmt>
      <sshPrnamt>92043</sshPrnamt>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>92043</Sole>
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      <None>0</None>
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    <nameOfIssuer>SENTINEL ENERGY SVCS INC</nameOfIssuer>
    <titleOfClass>*W EXP 11/02/202</titleOfClass>
    <cusip>81728P113</cusip>
    <value>69</value>
    <shrsOrPrnAmt>
      <sshPrnamt>83333</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>83333</Sole>
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      <None>0</None>
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    <nameOfIssuer>SIRIUS INTERNATIONAL INSURAN</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>G8196D101</cusip>
    <value>3728</value>
    <shrsOrPrnAmt>
      <sshPrnamt>280302</sshPrnamt>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>280302</Sole>
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      <None>0</None>
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    <nameOfIssuer>SOCIAL CAP HEDOSOPHIA HLDGS</nameOfIssuer>
    <titleOfClass>*W EXP 09/14/202</titleOfClass>
    <cusip>G8250R129</cusip>
    <value>23</value>
    <shrsOrPrnAmt>
      <sshPrnamt>32558</sshPrnamt>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>32558</Sole>
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      <None>0</None>
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    <nameOfIssuer>SOCIAL CAP HEDOSOPHIA HLDGS</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>G8250R103</cusip>
    <value>500</value>
    <shrsOrPrnAmt>
      <sshPrnamt>49998</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>49998</Sole>
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      <None>0</None>
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  <infoTable>
    <nameOfIssuer>SPARTAN ENERGY ACQUISITON CO</nameOfIssuer>
    <titleOfClass>UNIT 99/99/9999</titleOfClass>
    <cusip>846784114</cusip>
    <value>3500</value>
    <shrsOrPrnAmt>
      <sshPrnamt>350000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>350000</Sole>
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      <None>0</None>
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  <infoTable>
    <nameOfIssuer>SVMK INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>78489X103</cusip>
    <value>738</value>
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      <sshPrnamt>60152</sshPrnamt>
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    <votingAuthority>
      <Sole>60152</Sole>
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      <None>0</None>
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  <infoTable>
    <nameOfIssuer>SYNTHORX INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>87167A103</cusip>
    <value>435</value>
    <shrsOrPrnAmt>
      <sshPrnamt>25000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>25000</Sole>
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      <None>0</None>
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    <nameOfIssuer>TPG PACE HLDGS CORP</nameOfIssuer>
    <titleOfClass>*W EXP 06/27/202</titleOfClass>
    <cusip>G89827110</cusip>
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    <titleOfClass>COM</titleOfClass>
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    <nameOfIssuer>VERRA MOBILITY CORP</nameOfIssuer>
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    <cusip>92511U102</cusip>
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      <Sole>25000</Sole>
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      <None>0</None>
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    <nameOfIssuer>WARRIOR MET COAL INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>93627C101</cusip>
    <value>662</value>
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      <sshPrnamt>27449</sshPrnamt>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>27449</Sole>
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      <None>0</None>
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