PHATHOM PHARMACEUTICALS INC

Ticker: PHAT CUSIP: 71722W107 Class: Common Stock

MASSMUTUAL TRUST CO FSB/ADV's Holding History (CIK: 0001103653)

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

Q4 2025

Shares 320 Value ($000) $5 Avg Close $14.28 Range $10.33 - $18.31

Q3 2025

Shares 287 Value ($000) $3 Avg Close $10.32 Range $7.61 - $13.00

Q4 2022

Shares 160 Value ($000) $0 Avg Close $10.31 Range $9.03 - $11.73

Q3 2022

Shares 28 Value ($000) $0 Avg Close $9.53 Range $6.25 - $12.81

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	320	$5	$14.28	$10.33 - $18.31
Q3 2025	287	$3	$10.32	$7.61 - $13.00
Q4 2022	160	$0	$10.31	$9.03 - $11.73
Q3 2022	28	$0	$9.53	$6.25 - $12.81