GOSSAMER BIO INC

Ticker: GOSS CUSIP: 38341P102 Class: Common Stock

MORGAN STANLEY's Holding History (CIK: 0000895421)

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

Q4 2025

Shares 918,888 Value ($000) $2,849 Avg Close $2.85 Range $2.08 - $3.87

Q3 2025

Shares 566,419 Value ($000) $1,490 Avg Close $2.20 Range $1.20 - $3.60

Q2 2025

Shares 818,691 Value ($000) $1,007 Avg Close $1.09 Range $0.76 - $1.44

Q1 2025

Shares 459,533 Value ($000) $505 Avg Close $1.16 Range $0.82 - $1.55

Q4 2024

Shares 148,555 Value ($000) $134 Avg Close $0.86 Range $0.66 - $1.10

Q3 2024

Shares 180,235 Value ($000) $178 Avg Close $0.96 Range $0.77 - $1.37

Q2 2024

Shares 194,664 Value ($000) $175 Avg Close $0.75 Range $0.50 - $1.28

Q1 2024

Shares 4,335,100 Value ($000) $5,115 Avg Close $1.10 Range $0.76 - $1.60

Q4 2023

Shares 5,568,872 Value ($000) $5,082 Avg Close $0.74 Range $0.45 - $1.13

Q3 2023

Shares 391,371 Value ($000) $326 Avg Close $1.15 Range $0.76 - $1.88

Q2 2023

Shares 576,260 Value ($000) $692 Avg Close $1.25 Range $0.91 - $1.62

Q1 2023

Shares 769,810 Value ($000) $970 Avg Close $1.91 Range $0.96 - $3.06

Q4 2022

Shares 3,163,345 Value ($000) $6,864 Avg Close $8.23 Range $1.57 - $13.68

Q3 2022

Shares 1,207,603 Value ($000) $14,467 Avg Close $12.41 Range $6.82 - $15.20

Q2 2022

Shares 1,377,264 Value ($000) $11,528 Avg Close $7.75 Range $5.64 - $10.21

Q1 2022

Shares 1,292,555 Value ($000) $11,219 Avg Close $9.64 Range $8.06 - $12.86

Q4 2021

Shares 1,221,855 Value ($000) $13,820 Avg Close $11.88 Range $9.87 - $14.30

Q3 2021

Shares 253,903 Value ($000) $3,192 Avg Close $9.21 Range $7.04 - $14.10

Q2 2021

Shares 308,745 Value ($000) $2,507 Avg Close $8.67 Range $7.63 - $9.82

Q1 2021

Shares 328,961 Value ($000) $3,043 Avg Close $10.08 Range $8.41 - $11.91

Q4 2020

Shares 347,204 Value ($000) $3,358 Avg Close $9.85 Range $7.92 - $13.65

Q3 2020

Shares 198,786 Value ($000) $2,466 Avg Close $13.26 Range $11.16 - $15.42

Q2 2020

Shares 378,851 Value ($000) $4,925 Avg Close $12.58 Range $9.46 - $16.79

Q1 2020

Shares 192,138 Value ($000) $1,950 Avg Close $13.06 Range $7.52 - $15.76

Q4 2019

Shares 85,711 Value ($000) $1,340 Avg Close $20.14 Range $14.16 - $27.15

Q3 2019

Shares 116,018 Value ($000) $1,948 Avg Close $19.88 Range $15.97 - $22.93

Q2 2019

Shares 1,097 Value ($000) $24 Avg Close $19.13 Range $15.59 - $23.17

Q1 2019

Shares 2,102 Value ($000) $46 Avg Close $20.85 Range $16.00 - $25.06

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	918,888	$2,849	$2.85	$2.08 - $3.87
Q3 2025	566,419	$1,490	$2.20	$1.20 - $3.60
Q2 2025	818,691	$1,007	$1.09	$0.76 - $1.44
Q1 2025	459,533	$505	$1.16	$0.82 - $1.55
Q4 2024	148,555	$134	$0.86	$0.66 - $1.10
Q3 2024	180,235	$178	$0.96	$0.77 - $1.37
Q2 2024	194,664	$175	$0.75	$0.50 - $1.28
Q1 2024	4,335,100	$5,115	$1.10	$0.76 - $1.60
Q4 2023	5,568,872	$5,082	$0.74	$0.45 - $1.13
Q3 2023	391,371	$326	$1.15	$0.76 - $1.88
Q2 2023	576,260	$692	$1.25	$0.91 - $1.62
Q1 2023	769,810	$970	$1.91	$0.96 - $3.06
Q4 2022	3,163,345	$6,864	$8.23	$1.57 - $13.68
Q3 2022	1,207,603	$14,467	$12.41	$6.82 - $15.20
Q2 2022	1,377,264	$11,528	$7.75	$5.64 - $10.21
Q1 2022	1,292,555	$11,219	$9.64	$8.06 - $12.86
Q4 2021	1,221,855	$13,820	$11.88	$9.87 - $14.30
Q3 2021	253,903	$3,192	$9.21	$7.04 - $14.10
Q2 2021	308,745	$2,507	$8.67	$7.63 - $9.82
Q1 2021	328,961	$3,043	$10.08	$8.41 - $11.91
Q4 2020	347,204	$3,358	$9.85	$7.92 - $13.65
Q3 2020	198,786	$2,466	$13.26	$11.16 - $15.42
Q2 2020	378,851	$4,925	$12.58	$9.46 - $16.79
Q1 2020	192,138	$1,950	$13.06	$7.52 - $15.76
Q4 2019	85,711	$1,340	$20.14	$14.16 - $27.15
Q3 2019	116,018	$1,948	$19.88	$15.97 - $22.93
Q2 2019	1,097	$24	$19.13	$15.59 - $23.17
Q1 2019	2,102	$46	$20.85	$16.00 - $25.06