PHATHOM PHARMACEUTICALS INC

Ticker: PHAT CUSIP: 71722W107 Class: Common Stock

CHARLES SCHWAB INVESTMENT MANAGEMENT INC's Holding History (CIK: 0000884546)

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

Q4 2025

Shares 397,910 Value ($000) $6,601 Avg Close $14.28 Range $10.33 - $18.31

Q3 2025

Shares 365,904 Value ($000) $4,307 Avg Close $10.32 Range $7.61 - $13.00

Q2 2025

Shares 360,160 Value ($000) $3,454 Avg Close $5.53 Range $2.21 - $12.32

Q1 2025

Shares 348,035 Value ($000) $2,182 Avg Close $6.07 Range $4.07 - $8.34

Q4 2024

Shares 353,038 Value ($000) $2,867 Avg Close $12.38 Range $7.03 - $19.50

Q3 2024

Shares 292,860 Value ($000) $5,295 Avg Close $13.98 Range $9.82 - $19.71

Q2 2024

Shares 285,870 Value ($000) $2,944 Avg Close $10.30 Range $8.74 - $12.75

Q1 2024

Shares 264,494 Value ($000) $2,809 Avg Close $8.49 Range $6.07 - $11.43

Q4 2023

Shares 262,524 Value ($000) $2,397 Avg Close $8.62 Range $6.83 - $10.85

Q3 2023

Shares 246,681 Value ($000) $2,558 Avg Close $13.72 Range $10.01 - $17.02

Q2 2023

Shares 178,870 Value ($000) $2,561 Avg Close $11.53 Range $7.00 - $14.99

Q1 2023

Shares 171,607 Value ($000) $1,225 Avg Close $8.78 Range $5.84 - $13.44

Q4 2022

Shares 173,254 Value ($000) $1,944 Avg Close $10.31 Range $9.03 - $11.73

Q3 2022

Shares 156,680 Value ($000) $1,737 Avg Close $9.53 Range $6.25 - $12.81

Q2 2022

Shares 119,814 Value ($000) $1,012 Avg Close $10.28 Range $6.09 - $16.07

Q1 2022

Shares 126,187 Value ($000) $1,718 Avg Close $16.15 Range $11.33 - $20.30

Q4 2021

Shares 123,299 Value ($000) $2,426 Avg Close $23.53 Range $17.41 - $34.36

Q3 2021

Shares 120,871 Value ($000) $3,880 Avg Close $33.23 Range $29.79 - $37.17

Q2 2021

Shares 107,120 Value ($000) $3,627 Avg Close $35.81 Range $31.30 - $42.00

Q1 2021

Shares 87,256 Value ($000) $3,278 Avg Close $41.84 Range $32.49 - $50.78

Q4 2020

Shares 75,898 Value ($000) $2,522 Avg Close $40.51 Range $32.74 - $50.78

Q3 2020

Shares 75,787 Value ($000) $2,780 Avg Close $34.63 Range $28.10 - $40.73

Q2 2020

Shares 81,668 Value ($000) $2,688 Avg Close $38.42 Range $24.50 - $64.54

Q1 2020

Shares 68,603 Value ($000) $1,772 Avg Close $33.43 Range $22.06 - $44.47

Q4 2019

Shares 67,787 Value ($000) $2,111 Avg Close $25.13 Range $18.51 - $47.84

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	397,910	$6,601	$14.28	$10.33 - $18.31
Q3 2025	365,904	$4,307	$10.32	$7.61 - $13.00
Q2 2025	360,160	$3,454	$5.53	$2.21 - $12.32
Q1 2025	348,035	$2,182	$6.07	$4.07 - $8.34
Q4 2024	353,038	$2,867	$12.38	$7.03 - $19.50
Q3 2024	292,860	$5,295	$13.98	$9.82 - $19.71
Q2 2024	285,870	$2,944	$10.30	$8.74 - $12.75
Q1 2024	264,494	$2,809	$8.49	$6.07 - $11.43
Q4 2023	262,524	$2,397	$8.62	$6.83 - $10.85
Q3 2023	246,681	$2,558	$13.72	$10.01 - $17.02
Q2 2023	178,870	$2,561	$11.53	$7.00 - $14.99
Q1 2023	171,607	$1,225	$8.78	$5.84 - $13.44
Q4 2022	173,254	$1,944	$10.31	$9.03 - $11.73
Q3 2022	156,680	$1,737	$9.53	$6.25 - $12.81
Q2 2022	119,814	$1,012	$10.28	$6.09 - $16.07
Q1 2022	126,187	$1,718	$16.15	$11.33 - $20.30
Q4 2021	123,299	$2,426	$23.53	$17.41 - $34.36
Q3 2021	120,871	$3,880	$33.23	$29.79 - $37.17
Q2 2021	107,120	$3,627	$35.81	$31.30 - $42.00
Q1 2021	87,256	$3,278	$41.84	$32.49 - $50.78
Q4 2020	75,898	$2,522	$40.51	$32.74 - $50.78
Q3 2020	75,787	$2,780	$34.63	$28.10 - $40.73
Q2 2020	81,668	$2,688	$38.42	$24.50 - $64.54
Q1 2020	68,603	$1,772	$33.43	$22.06 - $44.47
Q4 2019	67,787	$2,111	$25.13	$18.51 - $47.84