Dark

MASS
908 Devices Inc. Common Stock
stock NASDAQ

At Close

Aug 11, 2026 3:25:22 PM EDT

10.05USD+14.205%(+1.25)1,620,010

0.00Bid 0.00Ask 0.00Spread

Pre-market

0.00USD-100.000%(-8.80)0

After-hours

Aug 7, 2026 4:00:30 PM EDT

8.88USD+0.169%(+0.02)0

OverviewOptionsHistoricalExchange VolumeShortsMore

MASS Volume Aug 11, 2026

[NF]

Exchange	Day%	Volume	30D%
Nasdaq GSM	32.56	523,194	39.84
Off Exchange¹	31.12	499,967	34.78
NYSE Arca	11.35	182,415	7.39
IEX	8.81	141,572	5.57
Cboe BZX	5.48	87,981	4.64
Cboe EDGX	5.22	83,810	3.53
MEMX	1.65	26,517	1.07
Cboe BYX	1.34	21,501	0.84
Cboe EDGA	0.84	13,506	0.40
NYSE	0.40	6,358	0.97
NYSE National	0.27	4,303	0.18
Nasdaq BX	0.24	3,860	0.30
MIAX Pearl	0.23	3,677	0.15
Texas Stock Exchange LLC	0.19	3,030	0.03
Nasdaq PHLX	0.17	2,696	0.08
NYSE American	0.08	1,268	0.10
CHX	0.03	492	0.08
LTSE	0.02	400	0.02
24X National	0.01	152	0.00

chartexchange.com

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

MASS Nutrition Facts

5.81 servings per container

Serving size

276.38K

Calories

1.61M

% Day

% Avg

Nasdaq GSM 523K

32.56%

39.84%

Off Exchange¹ 500K

31.12%

34.78%

NYSE Arca 182K

11.35%

7.39%

IEX 142K

8.81%

5.57%

Cboe BZX 88K

5.48%

4.64%

Cboe EDGX 84K

5.22%

3.53%

MEMX 27K

1.65%

1.07%

Cboe BYX 22K

1.34%

0.84%

Cboe EDGA 14K

0.84%

0.40%

NYSE 6K

0.40%

0.97%

NYSE National 4K

0.27%

0.18%

Nasdaq BX 4K

0.24%

0.30%

MIAX Pearl 4K

0.23%

0.15%

Texas Stock Exchange LLC 3K

0.19%

0.03%

Nasdaq PHLX 3K

0.17%

0.08%

NYSE American 1K

0.08%

0.10%

CHX 492

0.03%

0.08%

LTSE 400

0.02%

24X National 152

0.01%

0.00%

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

chartexchange.com

MASS Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 499,967, which is 31.12% of today's total volume.
Today's Lit volume is 1,106,732, which is 68.88%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 34.78%.
The average Lit volume has been 65.22%.

MASS Volume by Exchange

Nasdaq GSM

Off Exchange

NYSE Arca

IEX

Cboe BZX

Cboe EDGX

MEMX

Cboe BYX

Cboe EDGA

NYSE

NYSE National