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TMDX
TransMedics Group, Inc. Common Stock
stock NASDAQ

Market Open

Oct 2, 2026 10:46:08 AM EDT

79.68USD+1.316%(+1.04)314,991

79.66Bid 80.55Ask 0.89Spread

Pre-market

Oct 2, 2026 9:27:30 AM EDT

80.00USD+1.729%(+1.36)4,065

After-hours

Oct 1, 2026 4:35:30 PM EDT

78.64USD-0.038%(-0.03)0

OverviewOptionsHistoricalExchange VolumeShortsMore

TMDX Volume Oct 2, 2026 10:24:56 AM EDT

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Exchange	Day%	Volume	30D%
Off Exchange¹	57.62	144,555	45.63
Nasdaq GSM	20.85	52,303	32.29
NYSE Arca	5.35	13,423	5.48
IEX	5.29	13,275	5.04
Cboe EDGX	3.36	8,441	2.33
Cboe BZX	3.14	7,877	2.86
MEMX	1.37	3,447	0.79
NYSE	0.88	2,206	1.35
Cboe BYX	0.78	1,956	1.05
Nasdaq PHLX	0.39	983	0.31
Nasdaq BX	0.37	929	0.33
Cboe EDGA	0.26	640	0.49
MIAX Pearl	0.15	388	0.34
NYSE National	0.11	286	0.25
CHX	0.04	100	1.13
Texas Stock Exchange LLC	0.02	56	0.02
NYSE American	0.00	0	0.22
LTSE	0.00	0	0.09
24X National	0.00	0	0.02

chartexchange.com

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

TMDX Nutrition Facts

0.36 servings per container

Serving size

694.67K

Calories

250.87K

% Day

% Avg

Off Exchange¹ 145K

57.62%

45.63%

Nasdaq GSM 52K

20.85%

32.29%

NYSE Arca 13K

5.35%

5.48%

IEX 13K

5.29%

5.04%

Cboe EDGX 8K

3.36%

2.33%

Cboe BZX 8K

3.14%

2.86%

MEMX 3K

1.37%

0.79%

NYSE 2K

0.88%

1.35%

Cboe BYX 2K

0.78%

1.05%

Nasdaq PHLX 983

0.39%

0.31%

Nasdaq BX 929

0.37%

0.33%

Cboe EDGA 640

0.26%

0.49%

MIAX Pearl 388

0.15%

0.34%

NYSE National 286

0.11%

0.25%

CHX 100

0.04%

1.13%

Texas Stock Exchange LLC 56

0.02%

NYSE American 0

0.00%

0.22%

LTSE 0

0.00%

0.09%

24X National 0

0.00%

0.02%

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

chartexchange.com

TMDX Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 144,555, which is 57.62% of today's total volume.
Today's Lit volume is 106,310, which is 42.38%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 45.63%.
The average Lit volume has been 54.37%.

TMDX Volume by Exchange

Off Exchange

Nasdaq GSM

NYSE Arca

IEX

Cboe EDGX

Cboe BZX

MEMX

NYSE

Cboe BYX

Nasdaq PHLX

Nasdaq BX