Dark

MASS
908 Devices Inc. Common Stock
stock NASDAQ

Market Open

Aug 11, 2026 3:22:57 PM EDT

10.00USD+13.895%(+1.22)1,207,964

9.96Bid 10.02Ask 0.06Spread

Pre-market

0.00USD-100.000%(-8.88)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 3:05:02 PM EDT

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Exchange	Day%	Volume	30D%
Off Exchange¹	34.44	402,349	35.38
Nasdaq GSM	27.24	318,226	39.52
NYSE Arca	12.50	146,034	7.35
IEX	8.74	102,126	5.40
Cboe EDGX	6.57	76,781	3.62
Cboe BZX	6.14	71,795	4.69
MEMX	1.55	18,126	1.03
Cboe EDGA	1.01	11,822	0.40
Cboe BYX	0.45	5,209	0.70
NYSE	0.41	4,770	1.00
MIAX Pearl	0.30	3,531	0.16
Nasdaq PHLX	0.22	2,621	0.08
Nasdaq BX	0.15	1,778	0.29
NYSE National	0.09	1,000	0.16
NYSE American	0.07	826	0.10
CHX	0.04	475	0.09
LTSE	0.03	400	0.02
Texas Stock Exchange LLC	0.03	400	0.00
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

4.23 servings per container

Serving size

276.38K

Calories

1.17M

% Day

% Avg

Off Exchange¹ 402K

34.44%

35.38%

Nasdaq GSM 318K

27.24%

39.52%

NYSE Arca 146K

12.50%

7.35%

IEX 102K

8.74%

5.40%

Cboe EDGX 77K

6.57%

3.62%

Cboe BZX 72K

6.14%

4.69%

MEMX 18K

1.55%

1.03%

Cboe EDGA 12K

1.01%

0.40%

Cboe BYX 5K

0.45%

0.70%

NYSE 5K

0.41%

1.00%

MIAX Pearl 4K

0.30%

0.16%

Nasdaq PHLX 3K

0.22%

0.08%

Nasdaq BX 2K

0.15%

0.29%

NYSE National 1K

0.09%

0.16%

NYSE American 826

0.07%

0.10%

CHX 475

0.04%

0.09%

LTSE 400

0.03%

0.02%

Texas Stock Exchange LLC 400

0.03%

0.00%

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 402,349, which is 34.44% of today's total volume.
Today's Lit volume is 766,072, which is 65.56%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 35.38%.
The average Lit volume has been 64.62%.

MASS Volume by Exchange

Off Exchange

Nasdaq GSM

NYSE Arca

IEX

Cboe EDGX

Cboe BZX

MEMX

Cboe EDGA

Cboe BYX

NYSE

MIAX Pearl