Polaris Venture Management Co IV LLC Activity Q4 2013-Q3 2016

Q2 2016
 Value Shares↓ Weighting
XLRN NewAcceleron Pharma Inc$50,292,0001,480,06083.36%
ALIM NewAlimera Sciences Inc$3,873,0003,148,3556.42%
PULM NewPulmatrix Inc$3,120,0001,591,8625.17%
CERU NewCerulean Pharma Inc$3,047,0001,437,4415.05%
Q4 2015
 Value Shares↓ Weighting
CERU ExitCerulean Pharma Inc$0-1,437,441-9.25%
ALIM ExitAlimera Sciences Inc$0-3,148,355-12.23%
PULM ExitPulmatrix Inc$0-1,591,862-13.74%
XLRN ExitAcceleron Pharma Inc$0-1,480,060-64.78%
Q3 2015
 Value Shares↓ Weighting
XLRN SellAcceleron Pharma Inc$36,853,000
-38.3%
1,480,060
-21.6%
64.78%
+4.3%
Q2 2015
 Value Shares↓ Weighting
XLRN NewAcceleron Pharma Inc$59,715,0001,887,31962.12%
PULM NewPulmatrix Inc$15,282,0001,591,86215.90%
ALIM NewAlimera Sciences Inc$14,514,0003,148,35515.10%
CERU NewCerulean Pharma Inc$6,612,0001,437,4416.88%
Q4 2014
 Value Shares↓ Weighting
CERU ExitCerulean Pharma Inc$0-1,437,441-5.62%
ALIM ExitAlimera Sciences Inc$0-3,148,355-15.81%
XLRN ExitAcceleron Pharma Inc$0-2,803,645-78.57%
Q2 2014
 Value Shares↓ Weighting
XLRN NewAcceleron Pharma Inc$95,240,0002,803,64577.81%
ALIM NewAlimera Sciences Inc$18,827,0003,148,35515.38%
CERU NewCerulean Pharma Inc$8,337,0001,437,4416.81%

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