PHATHOM PHARMACEUTICALS INC

Ticker: PHAT CUSIP: 71722W107 Class: Common Stock

Virtus Investment Advisers, LLC's Holding History (CIK: 0000019481)

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

Q4 2025

Shares 46,937 Value ($000) $779 Avg Close $14.28 Range $10.33 - $18.31

Q3 2025

Shares 44,306 Value ($000) $521 Avg Close $10.32 Range $7.61 - $13.00

Q2 2025

Shares 44,306 Value ($000) $425 Avg Close $5.53 Range $2.21 - $12.32

Q1 2025

Shares 44,964 Value ($000) $282 Avg Close $6.07 Range $4.07 - $8.34

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	46,937	$779	$14.28	$10.33 - $18.31
Q3 2025	44,306	$521	$10.32	$7.61 - $13.00
Q2 2025	44,306	$425	$5.53	$2.21 - $12.32
Q1 2025	44,964	$282	$6.07	$4.07 - $8.34