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TMDX
TransMedics Group, Inc. Common Stock
stock NASDAQ

At Close

Oct 1, 2026 3:59:52 PM EDT

78.67USD-5.728%(-4.78)880,642

0.00Bid 0.00Ask 0.00Spread

Pre-market

Sep 28, 2026 9:25:30 AM EDT

85.16USD+2.049%(+1.71)0

After-hours

Oct 1, 2026 4:35:30 PM EDT

78.64USD-0.038%(-0.03)14,573

OverviewOptionsHistoricalExchange VolumeShortsMore

TMDX Volume Oct 1, 2026

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	50.17	441,664	45.25
Nasdaq GSM	26.81	236,036	32.72
NYSE Arca	6.72	59,186	5.51
IEX	6.01	52,915	4.99
Cboe EDGX	3.39	29,804	2.34
Cboe BZX	2.81	24,745	2.88
MEMX	1.20	10,534	0.79
NYSE	1.10	9,721	1.34
Nasdaq BX	0.44	3,861	0.32
Cboe BYX	0.41	3,632	1.03
MIAX Pearl	0.34	3,018	0.33
Nasdaq PHLX	0.23	2,034	0.31
Cboe EDGA	0.17	1,499	0.49
NYSE National	0.09	824	0.25
NYSE American	0.08	728	0.22
Texas Stock Exchange LLC	0.00	35	0.02
CHX	0.00	35	1.11
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

1.27 servings per container

Serving size

694.67K

Calories

880.27K

% Day

% Avg

Off Exchange¹ 442K

50.17%

45.25%

Nasdaq GSM 236K

26.81%

32.72%

NYSE Arca 59K

6.72%

5.51%

IEX 53K

6.01%

4.99%

Cboe EDGX 30K

3.39%

2.34%

Cboe BZX 25K

2.81%

2.88%

MEMX 11K

1.20%

0.79%

NYSE 10K

1.10%

1.34%

Nasdaq BX 4K

0.44%

0.32%

Cboe BYX 4K

0.41%

1.03%

MIAX Pearl 3K

0.34%

0.33%

Nasdaq PHLX 2K

0.23%

0.31%

Cboe EDGA 1K

0.17%

0.49%

NYSE National 824

0.09%

0.25%

NYSE American 728

0.08%

0.22%

Texas Stock Exchange LLC 35

0.00%

0.02%

CHX 35

0.00%

1.11%

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 441,664, which is 50.17% of today's total volume.
Today's Lit volume is 438,607, which is 49.83%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 45.25%.
The average Lit volume has been 54.75%.

TMDX Volume by Exchange

Off Exchange

Nasdaq GSM

NYSE Arca

IEX

Cboe EDGX

Cboe BZX

MEMX

NYSE

Nasdaq BX

Cboe BYX

MIAX Pearl