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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

OverviewOptionsHistoricalDark Pool LevelsShortsMore

GOSS Volume Jul 15, 2026

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	60.68	14,939,133	62.58
Nasdaq GSM	13.92	3,426,634	17.02
NYSE Arca	8.58	2,113,382	7.52
Cboe BZX	3.32	817,548	2.99
MEMX	3.09	761,779	2.44
Cboe EDGX	2.76	680,091	1.66
Cboe EDGA	2.17	533,935	1.12
IEX	2.00	491,536	1.67
NYSE	1.06	260,570	0.93
Cboe BYX	0.95	234,133	0.47
NYSE National	0.72	177,400	0.32
MIAX Pearl	0.40	98,055	1.02
NYSE American	0.13	32,450	0.10
Nasdaq BX	0.11	28,281	0.08
24X National	0.03	7,975	0.05
Nasdaq PHLX	0.03	7,175	0.02
LTSE	0.02	4,858	0.02
CHX	0.02	3,900	0.01

chartexchange.com

¹ A) Dark Pool or Off Exchange? B) Venues explained. C) All trades that update volume from the CTA.

GOSS Nutrition Facts

1.41 servings per container

Serving size

17.47M

Calories

24.62M

% Day

% Avg

Off Exchange¹ 15M

60.68%

62.58%

Nasdaq GSM 3M

13.92%

17.02%

NYSE Arca 2M

8.58%

7.52%

Cboe BZX 818K

3.32%

2.99%

MEMX 762K

3.09%

2.44%

Cboe EDGX 680K

2.76%

1.66%

Cboe EDGA 534K

2.17%

1.12%

IEX 492K

2.00%

1.67%

NYSE 261K

1.06%

0.93%

Cboe BYX 234K

0.95%

0.47%

NYSE National 177K

0.72%

0.32%

MIAX Pearl 98K

0.40%

1.02%

NYSE American 32K

0.13%

0.10%

Nasdaq BX 28K

0.11%

0.08%

24X National 8K

0.03%

0.05%

Nasdaq PHLX 7K

0.03%

0.02%

LTSE 5K

0.02%

CHX 4K

0.02%

0.01%

¹ A) Dark Pool or Off Exchange? B) Venues explained. C) All trades that update volume from the CTA.

chartexchange.com

GOSS Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 14,939,133, which is 60.68% of today's total volume.
Today's Lit volume is 9,679,702, which is 39.32%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 62.58%.
The average Lit volume has been 37.42%.

GOSS Volume by Exchange

Off Exchange

Nasdaq GSM

NYSE Arca

Cboe BZX

MEMX

Cboe EDGX

Cboe EDGA

IEX

NYSE

Cboe BYX

NYSE National