ATYR PHARMA INC

Ticker: ATYR CUSIP: 002120202 Class: Common Stock

BAKER BROS. ADVISORS LP's Holding History (CIK: 0001263508)

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

Q4 2022

Shares 8,565 Value ($000) $19 Avg Close $2.36 Range $2.00 - $3.07

Q3 2022

Shares 201,361 Value ($000) $604 Avg Close $3.35 Range $2.70 - $4.28

Q2 2022

Shares 374,395 Value ($000) $1,060 Avg Close $3.62 Range $2.60 - $5.97

Q1 2022

Shares 625,000 Value ($000) $3,344 Avg Close $5.67 Range $4.51 - $8.25

Q4 2021

Shares 625,000 Value ($000) $4,669 Avg Close $8.35 Range $7.23 - $9.95

Q3 2021

Shares 625,000 Value ($000) $5,675 Avg Close $5.98 Range $4.22 - $13.10

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2022	8,565	$19	$2.36	$2.00 - $3.07
Q3 2022	201,361	$604	$3.35	$2.70 - $4.28
Q2 2022	374,395	$1,060	$3.62	$2.60 - $5.97
Q1 2022	625,000	$3,344	$5.67	$4.51 - $8.25
Q4 2021	625,000	$4,669	$8.35	$7.23 - $9.95
Q3 2021	625,000	$5,675	$5.98	$4.22 - $13.10