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GOSS
Gossamer Bio, Inc. Common Stock
stock NASDAQ

At Close

Jul 15, 2026 3:59:50 PM EDT

0.1700USD+20.200%(+0.0283)24,628,479

0.00Bid 0.00Ask 0.0000Spread

Pre-market

Jul 15, 2026 9:27:30 AM EDT

0.1327USD-5.282%(-0.0074)48,248

After-hours

Jul 15, 2026 4:54:30 PM EDT

0.1635USD-2.910%(-0.0049)755,653

OverviewOption ChainHistoricalExchangesShortsMore

Expiration Dates

Jul 17, 2026 Aug 21, 2026 Nov 20, 2026 Jan 15, 2027 Feb 19, 2027 Jan 21, 2028

ITM/OTM for Jan 21, 2028View All Dates

Calls ITM	Calls OTM	Puts ITM	Puts OTM
0	32,422	4,193	0

GOSS Jan 21, 2028 Exp. - Volume by Strike

Puts

Calls

GOSS Jan 21, 2028 Exp. - Open Interest by Strike

Puts

Calls

GOSS Jan 21, 2028 Exp. - Max Pain @ $0.50

Puts

Calls

GOSS Jan 21, 2028 Exp. - Option Chain

In the Money (ITM)

Calls

Strike	Price	Change	Vol	OI	Last	Contract Name
7.00 C	0.05	+150.00%	10	3,501	06-18	GOSS280121C00007000
5.00 C	0.10	+66.67%	1	2,083	06-05	GOSS280121C00005000
4.00 C	0.05	-89.36%	20	1,835	02-25	GOSS280121C00004000
3.00 C	0.05	0.00%	50	9,781	07-13	GOSS280121C00003000
2.00 C	0.07	+16.67%	10	9,911	06-18	GOSS280121C00002000
1.50 C	0.06	-57.14%	4	269	05-19	GOSS280121C00001500
1.00 C	0.10	+42.86%	7	546	07-10	GOSS280121C00001000
0.50 C	0.05	-54.55%	590	4,496	07-14	GOSS280121C00000500

Puts

Strike	Price	Change	Vol	OI	Last	Contract Name
7.00 P	6.80	+3.03%	2	75	06-23	GOSS280121P00007000
5.00 P	3.70	0.00%	10	2	02-19	GOSS280121P00005000
4.00 P	3.80	-2.56%	2	9	07-07	GOSS280121P00004000
3.00 P	2.82	+15.10%	2	28	06-09	GOSS280121P00003000
2.00 P	1.82	+1.11%	20	20	07-10	GOSS280121P00002000
1.50 P	1.35	0.00%	2	3,239	06-10	GOSS280121P00001500
1.00 P	1.00	0.00%	3	124	07-09	GOSS280121P00001000
0.50 P	0.40	-11.11%	2	696	07-13	GOSS280121P00000500

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