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TMDX
TransMedics Group, Inc. Common Stock
stock NASDAQ

Market Open

Oct 2, 2026 12:23:55 PM EDT

77.63USD-1.284%(-1.01)499,407

77.61Bid 78.28Ask 0.67Spread

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 12:05:04 PM EDT

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Exchange	Day%	Volume	30D%
Off Exchange¹	55.67	254,105	45.70
Nasdaq GSM	22.06	100,701	32.21
IEX	6.59	30,084	5.07
NYSE Arca	5.20	23,743	5.47
Cboe EDGX	3.28	14,962	2.34
Cboe BZX	3.18	14,500	2.86
NYSE	1.07	4,893	1.35
MEMX	1.06	4,857	0.79
Cboe BYX	0.68	3,118	1.04
Nasdaq BX	0.37	1,687	0.33
Nasdaq PHLX	0.28	1,256	0.31
Cboe EDGA	0.22	984	0.49
MIAX Pearl	0.13	581	0.33
NYSE National	0.11	507	0.25
CHX	0.05	208	1.12
NYSE American	0.04	164	0.22
Texas Stock Exchange LLC	0.03	116	0.02
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

0.66 servings per container

Serving size

694.67K

Calories

456.47K

% Day

% Avg

Off Exchange¹ 254K

55.67%

45.70%

Nasdaq GSM 101K

22.06%

32.21%

IEX 30K

6.59%

5.07%

NYSE Arca 24K

5.20%

5.47%

Cboe EDGX 15K

3.28%

2.34%

Cboe BZX 15K

3.18%

2.86%

NYSE 5K

1.07%

1.35%

MEMX 5K

1.06%

0.79%

Cboe BYX 3K

0.68%

1.04%

Nasdaq BX 2K

0.37%

0.33%

Nasdaq PHLX 1K

0.28%

0.31%

Cboe EDGA 984

0.22%

0.49%

MIAX Pearl 581

0.13%

0.33%

NYSE National 507

0.11%

0.25%

CHX 208

0.05%

1.12%

NYSE American 164

0.04%

0.22%

Texas Stock Exchange LLC 116

0.03%

0.02%

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 254,105, which is 55.67% of today's total volume.
Today's Lit volume is 202,361, which is 44.33%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 45.70%.
The average Lit volume has been 54.30%.

TMDX Volume by Exchange

Off Exchange

Nasdaq GSM

IEX

NYSE Arca

Cboe EDGX

Cboe BZX

NYSE

MEMX

Cboe BYX

Nasdaq BX

Nasdaq PHLX