GOSSAMER BIO INC

Ticker: GOSS CUSIP: 38341P102 Class: Common Stock

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

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

Q4 2025

Shares 1,685,778 Value ($000) $5,226 Avg Close $2.85 Range $2.08 - $3.87

Q3 2025

Shares 1,729,634 Value ($000) $4,549 Avg Close $2.20 Range $1.20 - $3.60

Q2 2025

Shares 1,621,419 Value ($000) $1,994 Avg Close $1.09 Range $0.76 - $1.44

Q1 2025

Shares 1,138,947 Value ($000) $1,253 Avg Close $1.16 Range $0.82 - $1.55

Q4 2024

Shares 1,241,979 Value ($000) $1,123 Avg Close $0.86 Range $0.66 - $1.10

Q3 2024

Shares 1,228,077 Value ($000) $1,211 Avg Close $0.96 Range $0.77 - $1.37

Q2 2024

Shares 1,261,597 Value ($000) $1,137 Avg Close $0.75 Range $0.50 - $1.28

Q1 2024

Shares 1,252,764 Value ($000) $1,478 Avg Close $1.10 Range $0.76 - $1.60

Q4 2023

Shares 1,219,829 Value ($000) $1,113 Avg Close $0.74 Range $0.45 - $1.13

Q3 2023

Shares 1,080,642 Value ($000) $900 Avg Close $1.15 Range $0.76 - $1.88

Q2 2023

Shares 428,805 Value ($000) $515 Avg Close $1.25 Range $0.91 - $1.62

Q1 2023

Shares 462,697 Value ($000) $583 Avg Close $1.91 Range $0.96 - $3.06

Q4 2022

Shares 542,055 Value ($000) $1,176 Avg Close $8.23 Range $1.57 - $13.68

Q3 2022

Shares 530,185 Value ($000) $6,352 Avg Close $12.41 Range $6.82 - $15.20

Q2 2022

Shares 397,429 Value ($000) $3,327 Avg Close $7.75 Range $5.64 - $10.21

Q1 2022

Shares 407,555 Value ($000) $3,538 Avg Close $9.64 Range $8.06 - $12.86

Q4 2021

Shares 390,505 Value ($000) $4,417 Avg Close $11.88 Range $9.87 - $14.30

Q3 2021

Shares 382,567 Value ($000) $4,809 Avg Close $9.21 Range $7.04 - $14.10

Q2 2021

Shares 362,330 Value ($000) $2,943 Avg Close $8.67 Range $7.63 - $9.82

Q1 2021

Shares 320,000 Value ($000) $2,960 Avg Close $10.08 Range $8.41 - $11.91

Q4 2020

Shares 337,215 Value ($000) $3,261 Avg Close $9.85 Range $7.92 - $13.65

Q3 2020

Shares 336,609 Value ($000) $4,178 Avg Close $13.26 Range $11.16 - $15.42

Q2 2020

Shares 325,994 Value ($000) $4,238 Avg Close $12.58 Range $9.46 - $16.79

Q1 2020

Shares 247,307 Value ($000) $2,511 Avg Close $13.06 Range $7.52 - $15.76

Q4 2019

Shares 242,808 Value ($000) $3,796 Avg Close $20.14 Range $14.16 - $27.15

Q3 2019

Shares 238,654 Value ($000) $4,008 Avg Close $19.88 Range $15.97 - $22.93

Q2 2019

Shares 107,641 Value ($000) $2,388 Avg Close $19.13 Range $15.59 - $23.17

Q1 2019

Shares 85,273 Value ($000) $1,848 Avg Close $20.85 Range $16.00 - $25.06

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,685,778	$5,226	$2.85	$2.08 - $3.87
Q3 2025	1,729,634	$4,549	$2.20	$1.20 - $3.60
Q2 2025	1,621,419	$1,994	$1.09	$0.76 - $1.44
Q1 2025	1,138,947	$1,253	$1.16	$0.82 - $1.55
Q4 2024	1,241,979	$1,123	$0.86	$0.66 - $1.10
Q3 2024	1,228,077	$1,211	$0.96	$0.77 - $1.37
Q2 2024	1,261,597	$1,137	$0.75	$0.50 - $1.28
Q1 2024	1,252,764	$1,478	$1.10	$0.76 - $1.60
Q4 2023	1,219,829	$1,113	$0.74	$0.45 - $1.13
Q3 2023	1,080,642	$900	$1.15	$0.76 - $1.88
Q2 2023	428,805	$515	$1.25	$0.91 - $1.62
Q1 2023	462,697	$583	$1.91	$0.96 - $3.06
Q4 2022	542,055	$1,176	$8.23	$1.57 - $13.68
Q3 2022	530,185	$6,352	$12.41	$6.82 - $15.20
Q2 2022	397,429	$3,327	$7.75	$5.64 - $10.21
Q1 2022	407,555	$3,538	$9.64	$8.06 - $12.86
Q4 2021	390,505	$4,417	$11.88	$9.87 - $14.30
Q3 2021	382,567	$4,809	$9.21	$7.04 - $14.10
Q2 2021	362,330	$2,943	$8.67	$7.63 - $9.82
Q1 2021	320,000	$2,960	$10.08	$8.41 - $11.91
Q4 2020	337,215	$3,261	$9.85	$7.92 - $13.65
Q3 2020	336,609	$4,178	$13.26	$11.16 - $15.42
Q2 2020	325,994	$4,238	$12.58	$9.46 - $16.79
Q1 2020	247,307	$2,511	$13.06	$7.52 - $15.76
Q4 2019	242,808	$3,796	$20.14	$14.16 - $27.15
Q3 2019	238,654	$4,008	$19.88	$15.97 - $22.93
Q2 2019	107,641	$2,388	$19.13	$15.59 - $23.17
Q1 2019	85,273	$1,848	$20.85	$16.00 - $25.06