KEROS THERAPEUTICS INC

Ticker: KROS CUSIP: 492327101 Class: Common Stock

DEERFIELD MANAGEMENT COMPANY, L.P.'s Holding History (CIK: 0001009258)

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

Q2 2020

Shares 300,000 Value ($000) $11,253 Avg Close $30.81 Range $19.10 - $42.26

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2020	300,000	$11,253	$30.81	$19.10 - $42.26