TransMedics Group (TMDX) stock

Organ transplant systems , market cap $2.3B

Organ transplant systems

Market cap $2.3B

After-hours

$66.75

-0.88%

Close $67.34 +1.00%

As of 5:53 PM ET after-hours, delayed 15+ min · Live for Pro members

Why is TMDX down?

Down 47% in a year while the S&P 500 rose 11%.

Its filings show the business growing while the shares lagged the market.

Sources: Price history, Nov 2, 2026; 10-K segment note, Feb 24, 2026

−3Long-term trend below a falling 200-day average, down over one year, down over two years

Tell me next time TMDX moves

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The other side and the timeline, for Pro members.

Quality Score

Below Average

In its industry

#57of 85

Medical Devices

Checks firing

1of 14

Trending down

From 52-week high

-56.8%

Below the 200-day

TMDX's Quality Score rose 1 point on Mon, Nov 2, to 2. Its high and its low were both higher than the day before.

See TMDX's 14 chart checksSee it live, free until Thursday morning. No account. No card. Then keep going with a free account.

We do the work for you. Every stock is scored and ranked, every 15 seconds while the market is open. Here it's 15 minutes behind. Pro members see it live.

Key facts on TMDX

Key facts on TMDX
Since its 2024 high	Down 62% while sales grew 51%
Latest filing	10-Q, Aug 4 Filed its quarterly report (10-Q) for the quarter to Jun 30, 2026

1 more reason behind TMDX's 2, free with an account →1 more reason behind TMDX's 2, for Pro members.

TMDX in the news

ReportReports Thursday, after the close. Every 3 months, a company tells everyone how much it sold and earned. It fell after 3 of its last 4 reports, -7.9% on average. Past reports ›

What's next

Tue Nov 10: Stifel Healthcare Conference 2026Investor conference · date confirmed.

2 more dates ahead: conferences, for Pro members.

Tested. Our top-⁠scored stocks returned 2.2x the average stock over the next month. How we tested it

TMDX catalysts

Coming up

After its last 4 reports it closed -7.9% on average, higher 1 of 4 times.

32 past catalysts since 2022, with sizes and sources, for Pro members.Get in free →

Here is what Pro members see.

The same page for Pro members, on AMD
Its Quality Score and rank, the line that drives it, and the live price.
The full chart
A year of candles to start, out to the whole history, with insider trades marked and the Quality Score under the price.
Every line of the score
Price action, the company, and signals, each with its points, on TMDX and every other stock.
CEOs buying their own stock
Every CEO buy, biggest names first. Sort, filter, save the list, and set optional alerts.
Congress trades
A member's trades, newest first, each with its amount. Sort and filter the whole list.
14 chart checks, read for you
The ones firing on the stock, each in plain words, its rule a tap away.
Earnings, week by week
Who reports each day, and how each stock took its last four reports.
FDA dates, counted down
Each date in the company's words, its cash against the date, and an optional alert before it.
The market map
Every stock a box, colored by its Quality Score.
Themes, ranked live
Each theme's stocks ranked by Quality Score, live. Here, AI chips.
The top 10, every day
The ten highest Quality Scores at each close, kept day by day, week by week.
Optional alerts, your way
Pick a stock, a score, a price, a filing, or a whole scan. It tells you by push or email.
Your watchlist, scored
Your stocks by Quality Score, today's move, or name.
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Prices refresh every 2.5 seconds during market hours.
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TMDX has 1 of 14 chart checks firing

Trend1 of 5 shown

MA FAN 21 EMA W.EMA HH/HL 52W HI

Volume1 of 3 shown

VOL VDU U/D VOL

Tight range1 of 3 shown

ATR SQZ SQUEEZE NR7

Buying1 of 3 shown

OBV+CLOSE HI SPRING

The other 10 checks on TMDX, and all 14 on every stock.Get in free →

TMDX RSI today: 33.3, below its 50-day and 200-day averages

Not scored

Not in the Quality Score: over 20 years of tests, 2006 to 2026, they added no edge.

RSI 1433.3
Above 30, below 50.
MACD (12, 26, 9)Below signal
Crossed below its signal line 46 sessions ago.
50-day average$80.57
The price is 16.4% below it.
200-day average$93.72
The price is 28.1% below it.
50/200 crossDeath cross
The 50-day crossed below the 200-day on Apr 15.
ADX 1435.9
25 or more, with +DI below -DI.
Support$67.31
Swing low from Oct 20, 0.0% below the price.
Resistance$71.14
Swing high from May 26, 5.6% above the price.
52-week high$156.00
From Dec 2, 2025, 131.7% above the price.
52-week low$60.10
From May 13, 10.7% below the price.
Chart patternFalling channel
Lines over the Aug 21 and Sep 15 highs and under the Sep 11 and Oct 20 lows.
Bollinger Bands (20, 2)Inside
The bands run from $63.41 to $81.99.
Volume0.8x
Against its 20-day average, for the time of day.

The deep dive on TMDX

What it does and how it makes money4 findingsServices made up 38% of its revenue in fiscal 2025 ($233M of $605M), against 38% in fiscal 2024; product sales 62%.SEC filing · Feb 24, 2026
Where it stands4 findingsFor Pro members4 findings on where TMDX stands: its cash, debt, and share count, for Pro members
What changed in its filings5 findings"TransMedics Group, Inc., et al., Case No. 1:25-cv-10385, was filed against the Company and certain of its current and former officers in the U.S. District Court for the District of Massachusetts." (10-Q for the quarter to Jun 30, 2026)SEC filing · Aug 4, 2026A new heading in its "Risk Factors" this year: "We may experience disruptions to our business as a result of the relocation of our headquarters and general expansion of our operations." (10-K for fiscal 2025; not in fiscal 2024's)SEC filing · Feb 24, 2026, against the one of Feb 27, 2025
Who holds and trades it3 findingsFor Pro members3 findings on who holds and trades TMDX, for Pro members

13 more findings on TMDX, each with its source, for Pro membersGet in free →

How TMDX ranks in Medical Devices

TMDX is #57 of 85 by Quality Score.

How TMDX ranks in Medical Devices
1	ATRCAtriCure	7/14	18
2	HAEHaemonetics	7/14	17
3	WSTWest Pharmaceutical Services	6/14	17
	SYKStryker		Open for its score
	TFXTeleflex		Open for its score
	TNDMTandem Diabetes Care		Open for its score
	UFPTUFP		Open for its score
57	TMDXTransMedics	1/14	2

When does TMDX report earnings, and what happens after?

Reports Thu Nov 5, after the close (in 2 days). Confirmed.

What an earnings report is: every 3 months, a company tells everyone how much it sold and earned. We read the figures, the outlook, and how the stock moved after.

What TMDX reported on Aug 4, 2026

The quarter

The figures are not read from the release yet.

“The increase was due primarily to the increase in utilization of the Organ Care System (“OCS”), primarily in Liver and Heart through the National OCS Program (“NOP”) as well as additional revenue generated by TransMedics logistics services.”

The filing on EDGAR

Where the sales came from

TMDX's results filing gives no sales by line in a table we read.

The outlook

The outlook the company gave, by period
Measure	Figure
Full year 2026
Revenue	$737M to $757Mraised

Figures as filed (SEC filing, Aug 4)

In the company's words

“The year-over-year decrease primarily reflected a higher mix of service revenue, and temporary product-cost factors, including inventory provisioning and trial-related solution cost, partly offset by improved logistics efficiency.”

From its results filing (SEC filing · Aug 4)

The numbers

Market value: $2.3B; today
Sales: $668M; up 25.8% on the year
Free cash flow: $79M; last 12 months

Sales grew 86% a year over 3 years, fiscal 2022 to 2025.

Its share count grew 10% a year over 5 years.

5 more figures, for Pro members.

No analyst estimates on Breakaway: every figure here is filed.

The whole report on TMDX: every line of its sales, every outlook beside the one it replaced, and the company's words, for Pro members.Get in free →

-4.3%-23.2%-5.3%

Feb 24May 5Aug 4

Reported	When	Gap	Reaction	5 sessions
Aug 4, 2026After close	After close	-10.4%	-5.3%	+10.7%
May 5, 2026After close	After close	-21.1%	-23.2%	-32.7%
Feb 24, 2026After close	After close	+1.6%	-4.3%	+7.4%

TMDX closed higher after 1 of its last 4 reports.

All 4 reports, and TMDX's Quality Score going into each

Everyone reporting earnings this week

TMDX sales and profit by year

Sales and profit by year

Sales grew every year from 2018 to 2025, to $605M. It made a profit in two of the eight years.

Insiders trading TMDX

TMDX insider trades

One insider bought $109K across 1 filing, and one insider sold $722K across 1 filing, in the last 6 months. The newest:

BuyDavid Weill$109KDirectorat $81.63 on Sep 11, filed Sep 14

BuyDavid WeillDirector$109Kat $81.63 on Sep 11, filed Sep 14

All 2 insider filings on TMDX from the last six months, for Pro members.Get in free →

TMDX trades by Congress and the executive branch

3 trades disclosed in the last six months. The newest:

SellDonald Trump$1K to $15KPresident (R)traded Jul 29, disclosed Sep 22(55 days later)

SellDonald TrumpPresident (R)$1K to $15Ktraded Jul 29, disclosed Sep 22(55 days later)

All 3 trades on TMDX disclosed by Congress and the executive branch, for Pro members.Get in free →

See what Congress is buying across the market

TMDX's officers and directors

Officers and directors with a Form 4 in the last 12 months.

Waleed H. HassaneinPresident & CEO · 1 trade
Gerardo HernandezChief Financial Officer · 4 trades
Anil P. RanganathOfficer · 2 trades
Nicholas CorcoranOfficer · 1 trade
Fernando N. AraujoOfficer
Giovanni CecereChief Commercial Officer
Matthew S. ForsythOfficer
David WeillDirector · 3 trades

7 more officers and directors file at TMDX. Each page above names the rest.

See insider trades by person

Which ETFs hold TMDX?

In ETFs: TMDX is under 0.1% of VTI, the most of the 24 funds Breakaway covers, by their holdings as filed for Jun 30, 2026.

About TransMedics Group

TransMedics Group Inc is a commercial-stage medical technology company transforming organ transplant therapy for end-stage organ failure patients across multiple disease states. It has developed the Organ Care System (OCS) to comprehensively address the limitations of cold storage. The OCS is a portable organ perfusion, optimization, and monitoring system that utilizes technology to replicate near-physiologic conditions for donor organs outside of the human body. The company has developed and is commercializing a proprietary system to preserve and deliver human organs for transplant in a near-physiologic condition to address the limitations of cold storage organ preservation.

898 employeesAndover, MAtransmedics.com

What TransMedics Group says it competes with

“Competition in organ preservation for transplantation can be classified into two main segments: (1) cold storage and cold perfusion technologies and (2) warm perfusion technologies.”

From its annual report, SEC filing · Feb 24, 2026

2 more sentences and what it says it does, for Pro membersGet in free →

TMDX's score card

TransMedics Group (TMDX): Quality Score 2, Below Average, #57 of 85 in Medical Devices, with its price, on Breakaway — The picture a link to this page shows when it is shared.

Pro members see every line of every stock's score.

What would turn TMDX's score around: 5 things
1 more filing explained, a plain line each
Real-⁠time prices, no delay

BreakawaySep 14David Weill bought TMDX$109K at $81.63, filed Sep 14

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See TMDX's 14 chart checks

See it live, free until Thursday morning. No account. No card. Then keep going with a free account.

Straight Answers

As of Nov 3, 2026: TMDX's Quality Score is 2 (Below Average), #57 of 85 in Medical Devices. Insiders bought $109K and sold $722K in the last 6 months (Form 4).

Is TMDX a good stock to buy? What its Quality Score says

TMDX scores 2 today, which Breakaway calls Below Average. It is #57 of 85 in Medical Devices by Quality Score, with 1 of 14 chart checks firing. Down 47% in a year while the S&P 500 rose 11%. Breakaway does not say whether to buy any stock: the score does not know your situation, and it is not a recommendation to buy or sell anything. Please do your own research.

What is TMDX's Quality Score?

TMDX scores 2 today, which Breakaway calls Below Average (0 to 5). That is #57 of 85 in Medical Devices by Quality Score. The score adds up the chart checks, the trend, the company's filed sales, its profits, the news, insider trades, and Congress trades. The section above lists the lines behind TMDX's 2.

Are insiders buying TMDX?

One insider bought $109K across 1 filing, and one insider sold $722K across 1 filing, in the last 6 months. The newest is David Weill, Director, who bought $109K on Sep 11. Every filing, with the scored weight, for Pro members.

Are the prices delayed?

Only on the public pages, which run at least 15 minutes behind. Pro members, and anyone on a guest pass, see real-time prices: the scanner refreshes every 15 seconds, and your watchlist every few seconds, pre-market and after hours included.