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  <infoTable>
    <nameOfIssuer>ADVANCED DISP SVCS INC DEL</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>00790X101</cusip>
    <value>7915</value>
    <shrsOrPrnAmt>
      <sshPrnamt>243000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>243000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ALDER BIOPHARMACEUTICALS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>014339105</cusip>
    <value>1509</value>
    <shrsOrPrnAmt>
      <sshPrnamt>80000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>80000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ALLERGAN PLC</nameOfIssuer>
    <titleOfClass>SHS</titleOfClass>
    <cusip>G0177J108</cusip>
    <value>9845</value>
    <shrsOrPrnAmt>
      <sshPrnamt>58500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>58500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AXALTA COATING SYS LTD</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>G0750C108</cusip>
    <value>1523</value>
    <shrsOrPrnAmt>
      <sshPrnamt>50500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>50500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CACARRIZO OIL &amp; GAS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>144577103</cusip>
    <value>1889</value>
    <shrsOrPrnAmt>
      <sshPrnamt>220000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>220000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CAESARS ENTMT CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>127686103</cusip>
    <value>4221</value>
    <shrsOrPrnAmt>
      <sshPrnamt>362000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>362000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CAESARS ENTMT CORP</nameOfIssuer>
    <titleOfClass>NOTE 5.000% 10/0</titleOfClass>
    <cusip>127686AA1</cusip>
    <value>1577</value>
    <shrsOrPrnAmt>
      <sshPrnamt>927234</sshPrnamt>
      <sshPrnamtType>PRN</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>927234</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CELGENE CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>151020104</cusip>
    <value>14557</value>
    <shrsOrPrnAmt>
      <sshPrnamt>146600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>146600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CORINDUS VASCULAR ROBOTICS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>218730109</cusip>
    <value>1455</value>
    <shrsOrPrnAmt>
      <sshPrnamt>340000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>340000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CYPRESS SEMICONDUCTOR CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>232806109</cusip>
    <value>7259</value>
    <shrsOrPrnAmt>
      <sshPrnamt>311000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>311000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CYPRESS SEMICONDUCTOR CORP</nameOfIssuer>
    <titleOfClass>NOTE 4.500% 1/1</titleOfClass>
    <cusip>232806AM1</cusip>
    <value>1737</value>
    <shrsOrPrnAmt>
      <sshPrnamt>1000000</sshPrnamt>
      <sshPrnamtType>PRN</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>1000000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>EXACT SCIENCES CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>30063P105</cusip>
    <value>1220</value>
    <shrsOrPrnAmt>
      <sshPrnamt>13500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>13500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FOX CORP</nameOfIssuer>
    <titleOfClass>CL A COM</titleOfClass>
    <cusip>35137L105</cusip>
    <value>284</value>
    <shrsOrPrnAmt>
      <sshPrnamt>9000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>9000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>GANNETT CO INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>36473H104</cusip>
    <value>1181</value>
    <shrsOrPrnAmt>
      <sshPrnamt>110000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>110000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>GENESEE &amp; WYO INC</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>371559105</cusip>
    <value>5692</value>
    <shrsOrPrnAmt>
      <sshPrnamt>51503</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>51503</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>GENOMIC HEALTH INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>37244C101</cusip>
    <value>1899</value>
    <shrsOrPrnAmt>
      <sshPrnamt>28000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>28000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MEDIDATA SOLUTIONS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>58471A105</cusip>
    <value>4310</value>
    <shrsOrPrnAmt>
      <sshPrnamt>47100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>47100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MELLANOX TECHNOLOGIES LTD</nameOfIssuer>
    <titleOfClass>SHS</titleOfClass>
    <cusip>M51363113</cusip>
    <value>8559</value>
    <shrsOrPrnAmt>
      <sshPrnamt>78100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>78100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PACIFIC BIOSCIENCES CALIF INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>69404D108</cusip>
    <value>2985</value>
    <shrsOrPrnAmt>
      <sshPrnamt>578500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>578500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PURE ACQUISITION CORP</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>74621Q106</cusip>
    <value>410</value>
    <shrsOrPrnAmt>
      <sshPrnamt>40000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>40000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SPARK THERAPEUTICS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>84652J103</cusip>
    <value>7884</value>
    <shrsOrPrnAmt>
      <sshPrnamt>81300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>81300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SPRINT CORPORATION</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>85207U105</cusip>
    <value>2970</value>
    <shrsOrPrnAmt>
      <sshPrnamt>481321</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>481321</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TALLGRASS ENERGY LP</nameOfIssuer>
    <titleOfClass>CLASS A SHS</titleOfClass>
    <cusip>874696107</cusip>
    <value>2332</value>
    <shrsOrPrnAmt>
      <sshPrnamt>115776</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>115776</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>VERSUM MATLS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>92532W103</cusip>
    <value>2545</value>
    <shrsOrPrnAmt>
      <sshPrnamt>48083</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>48083</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>WABCO HLDGS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>92927K102</cusip>
    <value>1538</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>WELLCARE HEALTH PLANS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>94946T106</cusip>
    <value>9589</value>
    <shrsOrPrnAmt>
      <sshPrnamt>37000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>37000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ZAYO GROUP HLDGS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>98919V105</cusip>
    <value>3007</value>
    <shrsOrPrnAmt>
      <sshPrnamt>88700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>88700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
</informationTable>
