PHATHOM PHARMACEUTICALS INC

Ticker: PHAT CUSIP: 71722W107 Class: Common Stock

WASATCH ADVISORS LP's Holding History (CIK: 0000814133)

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

Q4 2025

Shares 1,331,669 Value ($000) $22,092 Avg Close $14.28 Range $10.33 - $18.31

Q3 2025

Shares 1,537,218 Value ($000) $18,093 Avg Close $10.32 Range $7.61 - $13.00

Q2 2025

Shares 1,461,895 Value ($000) $14,020 Avg Close $5.53 Range $2.21 - $12.32

Q1 2025

Shares 1,701,627 Value ($000) $10,669 Avg Close $6.07 Range $4.07 - $8.34

Q4 2024

Shares 1,558,928 Value ($000) $12,658 Avg Close $12.38 Range $7.03 - $19.50

Q3 2024

Shares 246,942 Value ($000) $4,465 Avg Close $13.98 Range $9.82 - $19.71

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,331,669	$22,092	$14.28	$10.33 - $18.31
Q3 2025	1,537,218	$18,093	$10.32	$7.61 - $13.00
Q2 2025	1,461,895	$14,020	$5.53	$2.21 - $12.32
Q1 2025	1,701,627	$10,669	$6.07	$4.07 - $8.34
Q4 2024	1,558,928	$12,658	$12.38	$7.03 - $19.50
Q3 2024	246,942	$4,465	$13.98	$9.82 - $19.71