KEROS THERAPEUTICS INC

Ticker: KROS CUSIP: 492327101 Class: Common Stock

SPHERA FUNDS MANAGEMENT LTD.'s Holding History (CIK: 0001496201)

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

Q1 2023

Shares 30,119 Value ($000) $1,286 Avg Close $50.51 Range $39.98 - $59.96

Q4 2022

Shares 158,757 Value ($000) $7,624 Avg Close $46.71 Range $37.40 - $52.78

Q3 2022

Shares 206,819 Value ($000) $7,781 Avg Close $34.66 Range $26.34 - $42.15

Q2 2022

Shares 67,997 Value ($000) $1,879 Avg Close $43.88 Range $24.38 - $68.29

Q1 2022

Shares 139,581 Value ($000) $7,590 Avg Close $51.33 Range $39.75 - $60.42

Q4 2021

Shares 119,681 Value ($000) $7,003 Avg Close $49.87 Range $36.13 - $63.47

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2023	30,119	$1,286	$50.51	$39.98 - $59.96
Q4 2022	158,757	$7,624	$46.71	$37.40 - $52.78
Q3 2022	206,819	$7,781	$34.66	$26.34 - $42.15
Q2 2022	67,997	$1,879	$43.88	$24.38 - $68.29
Q1 2022	139,581	$7,590	$51.33	$39.75 - $60.42
Q4 2021	119,681	$7,003	$49.87	$36.13 - $63.47