KEROS THERAPEUTICS INC

Ticker: KROS CUSIP: 492327101 Class: Common Stock

RA CAPITAL MANAGEMENT, L.P.'s Holding History (CIK: 0001346824)

Note: Option positions (PUT/CALL) are excluded.

Q4 2020
Shares 1,875,000 Value ($000) $132,263 Avg Close $63.02 Range $34.17 - $88.80
Q3 2020
Shares 1,875,000 Value ($000) $72,319 Avg Close $39.66 Range $25.71 - $65.50
Q2 2020
Shares 1,875,000 Value ($000) $70,331 Avg Close $30.81 Range $19.10 - $42.26