PHATHOM PHARMACEUTICALS INC

Ticker: PHAT CUSIP: 71722W107 Class: Common Stock

SummitTX Capital, L.P.'s Holding History (CIK: 0002052310)

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

Q4 2025

Shares 517,820 Value ($000) $8,591 Avg Close $14.28 Range $10.33 - $18.31

Q3 2025

Shares 385,968 Value ($000) $4,543 Avg Close $10.32 Range $7.61 - $13.00

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	517,820	$8,591	$14.28	$10.33 - $18.31
Q3 2025	385,968	$4,543	$10.32	$7.61 - $13.00