MIRUM PHARMACEUTICALS INC

Ticker: MIRM CUSIP: 604749101 Class: Common Stock

Alyeska Investment Group, L.P.'s Holding History (CIK: 0001453072)

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

Q4 2020

Shares 99,421 Value ($000) $1,736 Avg Close $19.66 Range $15.22 - $26.31

Q3 2020

Shares 49,978 Value ($000) $963 Avg Close $21.46 Range $17.83 - $27.43

Q2 2020

Shares 88,384 Value ($000) $1,720 Avg Close $16.71 Range $11.46 - $22.21

Q1 2020

Shares 145,711 Value ($000) $2,040 Avg Close $16.41 Range $9.14 - $24.50

Q4 2019

Shares 27,080 Value ($000) $664 Avg Close $10.66 Range $6.51 - $28.31

Q3 2019

Shares 75,177 Value ($000) $756 Avg Close $12.27 Range $9.04 - $15.50

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2020	99,421	$1,736	$19.66	$15.22 - $26.31
Q3 2020	49,978	$963	$21.46	$17.83 - $27.43
Q2 2020	88,384	$1,720	$16.71	$11.46 - $22.21
Q1 2020	145,711	$2,040	$16.41	$9.14 - $24.50
Q4 2019	27,080	$664	$10.66	$6.51 - $28.31
Q3 2019	75,177	$756	$12.27	$9.04 - $15.50