Dark

CRBU
Caribou Biosciences, Inc. Common Stock
stock NASDAQ

Market Open

Aug 5, 2026 1:20:23 PM EDT

1.62USD+3.503%(+0.06)555,991

1.62Bid 1.63Ask 0.01Spread

Pre-market

Aug 5, 2026 8:41:30 AM EDT

1.59USD+1.146%(+0.02)1,553

After-hours

Aug 4, 2026 4:58:30 PM EDT

1.59USD+1.274%(+0.02)0

OverviewOptionsHistoricalExchange VolumeShortsMore

CRBU Volume Aug 5, 2026 1:05:02 PM EDT

[ < ]

Exchange	Day%	Volume	30D%
Off Exchange¹	51.53	269,732	44.25
Nasdaq GSM	23.08	120,821	31.54
NYSE Arca	8.59	44,962	6.94
IEX	5.87	30,743	4.98
Cboe BZX	4.56	23,872	3.92
Cboe EDGX	2.98	15,597	3.39
NYSE	1.49	7,817	1.26
MEMX	0.59	3,068	0.85
MIAX Pearl	0.55	2,862	0.39
Cboe EDGA	0.22	1,174	0.49
CHX	0.18	935	0.05
NYSE American	0.16	817	0.09
NYSE National	0.11	600	0.61
Cboe BYX	0.05	253	0.97
Nasdaq PHLX	0.02	100	0.05
24X National	0.02	100	0.02
Nasdaq BX	0.00	0	0.20
Texas Stock Exchange LLC	0.00	0	0.01
LTSE	0.00	0	0.00

chartexchange.com

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

CRBU Nutrition Facts

0.24 servings per container

Serving size

2.17M

Calories

523.45K

% Day

% Avg

Off Exchange¹ 270K

51.53%

44.25%

Nasdaq GSM 121K

23.08%

31.54%

NYSE Arca 45K

8.59%

6.94%

IEX 31K

5.87%

4.98%

Cboe BZX 24K

4.56%

3.92%

Cboe EDGX 16K

2.98%

3.39%

NYSE 8K

1.49%

1.26%

MEMX 3K

0.59%

0.85%

MIAX Pearl 3K

0.55%

0.39%

Cboe EDGA 1K

0.22%

0.49%

CHX 935

0.18%

0.05%

NYSE American 817

0.16%

0.09%

NYSE National 600

0.11%

0.61%

Cboe BYX 253

0.05%

0.97%

Nasdaq PHLX 100

0.02%

0.05%

24X National 100

0.02%

Nasdaq BX 0

0.00%

0.20%

Texas Stock Exchange LLC 0

0.00%

0.01%

LTSE 0

0.00%

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

chartexchange.com

CRBU Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 269,732, which is 51.53% of today's total volume.
Today's Lit volume is 253,721, which is 48.47%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 44.25%.
The average Lit volume has been 55.75%.

CRBU Volume by Exchange

Off Exchange

Nasdaq GSM

NYSE Arca

IEX

Cboe BZX

Cboe EDGX

NYSE

MEMX

MIAX Pearl

Cboe EDGA

CHX