Insider buying last 90 days
$109Kin 1 open-market purchase
| Filed | Insider | Type | Value |
|---|---|---|---|
| Sep 14 | Weill David director | Purchase | $109K |
From Form 4 filings, dated to when each was filed.
Oct 12 close
This week's attention on TransMedics centers on new analyst coverage: Barclays initiated the stock at Overweight with a $120.00 price target, implying meaningful upside from its October 7 price, and reiterated across several related notes. This follows the company's Q2 2026 report of revenue near $190 million, which beat estimates even as adjusted EPS came in below expectations. Broader brokerage consensus remains a "Hold" rating with an average price target cited around $121.00 to $121.10, reflecting a split view between the new bullish initiation and more cautious existing coverage.
TMDX closed at $78.17, up 0.4% on the day, but trends remain soft, with the stock down 4.9% over one month and down 30.8% over the past year. The price sits below both its 50-day ($85.77) and 200-day ($98.62) moving averages. The GekkoIndex reads 64.1, placing the stock in the Accumulation zone, while Gekko Fair Value stands at $91.37, putting the current price 14.4% below that mark.
Over the next 20 trading days, the key event is the earnings report scheduled for 4 November 2026, after the close, falling inside this window. The last report showed a 6.2% reaction with EPS of $0.44 against a $0.50 estimate. Smart money activity includes one open-market insider purchase valued at $109,058 over the last 90 days. Seasonality data shows a 10.9% average 20-day return across 5 years, rising in 4 of those years from this point in the calendar.
Written by AI from the Oct 12, 2026 close and checked automatically against the figures on this page.
TransMedics scores 4 supportive, 0 mixed and 2 headwinds across the 6 checklist items with data.
Six things swing traders check before a 20-day hold, read from the latest data.
4 supportive0 mixed2 headwinds
Below 50 and 200-day
Close $78.17 is below the 50-day ($85.77) and 200-day ($98.62) averages, and the 50-day is below the 200-day.
See the chart64.1, Accumulation
Reading 64.1 is in the Accumulation zone.
See the GekkoIndex14.4% below
Price is 14.4% below Gekko Fair Value (more than 5% below).
See fair valueLeans bullish
Last 90 days: 1 open-market insider purchase.
See smart moneyReports in 23 days
Reports on Nov 4, 2026, 23 days away — inside a typical 20-trading-day hold.
See earnings+10.9% on average
From this point in the calendar, the next 20 trading days averaged +10.9% over 5 years, rising in 4 of them.
See seasonalityA description of current data, not a recommendation. How this page works
TransMedics closed at $78.17 on Oct 12, 2026, −30.8% over the past year, inside a 52-week range of $60.11 to $156.00.
Use the left and right arrow keys to read daily values.
Put TMDX on a Gekko watchlist and see its GekkoIndex, Gekko Fair Value and smart money signals update on the chart as they change.
TransMedics builds technology used in the transplantation of donor organs, with the aim of giving patients facing end-stage organ failure more options for treatment. Its central product, the Organ Care System, is a portable device that keeps donor organs functioning, nourished, and under observation after they leave the donor's body. The company has become identified with this method of sustaining organs through its own specialized technology, which works to mimic conditions similar to those inside a living body.
The Organ Care System is broken into modules built for different organs. OCS LUNG is used to keep standard criteria donor lungs viable for double-lung procedures, OCS Heart handles the circulation and upkeep of donor hearts outside the body, and OCS Liver is made for sustaining donor livers before transplant. Through this range of modules, TransMedics addresses several parts of the transplant process rather than concentrating on just one organ type.
The company traces back to 1998 and runs its operations from Andover, Massachusetts. Its stock trades on the NASDAQ under the ticker TMDX.
TransMedics’s GekkoIndex — Gekko’s 0 to 100 smart money score — reads 64.1, in the Accumulation zone, up 3.5 points over five sessions.
Up 3.5 points over five sessions.
Reading for Oct 12, 2026
| Zone | Readings | 5 days | 20 days | ||
|---|---|---|---|---|---|
| Buying | 40 | −0.8% | −0.2% | ||
| Accumulation (current zone) | 205 | +0.8% | −0.1% | ||
| Neutral | 386 | +0.3% | +1.7% | ||
| Distribution | 47 | +0.4% | +11.6% | ||
| Selling | 4 | Too few readings yet | |||
Average TMDX share-price change over the trading days after each daily reading in its GekkoIndex history. Across every stock Gekko tracks, Accumulation readings averaged +2.2% over 20 days. Past behaviour doesn’t guarantee future results.
Accumulation zone: Institutional interest building. About the five zones →
TransMedics trades 14.4% below Gekko Fair Value of $91.37, so the shares are undervalued on Gekko’s estimate.
Gekko’s own estimate of what TransMedics shares are worth, recalculated every trading day.
$91.37
Gekko Fair Value, Oct 10, 2026
14.4% Undervalued
At the end of Aug 2026 the price was 6.8% below the estimate.
Insiders filed 1 open-market purchase in TransMedics worth $109K, and no Congress trades were disclosed, in the last 90 days.
Plus buybacks, unusual options and fund positions, each dated to when it became public.
$109Kin 1 open-market purchase
| Filed | Insider | Type | Value |
|---|---|---|---|
| Sep 14 | Weill David director | Purchase | $109K |
From Form 4 filings, dated to when each was filed.
No trades in TMDX were disclosed by members of Congress in the last 90 days.
From congressional disclosures, which report amounts as ranges.
TransMedics has been buying back its own shares.
From company filings.
0of the funds Gekko tracks hold TMDX.
TransMedics reports on Nov 4, 2026, after the close (23 days away), and beat the EPS estimate in 4 of its last 8 reports.
Nov 4, 2026
Expected after the close, 23 days away
| Reported | EPS | Revenue | Move |
|---|---|---|---|
| Aug 4, 2026 | $0.44 est $0.50 | $189.9M est $184.0M | −6.2% |
| May 5, 2026 | $0.30 est $0.70 | $173.9M est $174.4M | −24.9% |
| Feb 24, 2026 | $0.57 est $0.41 | $160.8M est $155.4M | −2.1% |
| Oct 29, 2025 | $0.66 est $0.37 | $143.8M est $155.4M | +4.7% |
| Jul 30, 2025 | $0.92 est $0.43 | $157.4M est $141.6M | +13.5% |
| May 8, 2025 | $0.70 est $0.24 | $143.5M est $123.4M | +16.4% |
| Feb 27, 2025 | $0.19 est $0.22 | $121.6M est $109.5M | +3.5% |
| Oct 28, 2024 | $0.12 est $0.29 | $108.8M est $112.2M | −29.3% |
“Move” is the close of the first session after the report compared with the close of the last session before it, so it reads the same whether the company reported before the open or after the close.
Analysts’ average 12-month price target for TransMedics is $99.82, +27.7% from the last close, from 11 firms rating the stock in the last 90 days.
Each firm’s latest rating in the last 90 days: 11 firms.
| Date | Firm | Target | vs price |
|---|---|---|---|
| Oct 6 | Barclays | $120 | +53.5% |
| Oct 5 | Piper Sandler | $100 | +27.9% |
| Oct 2 | William Blair | — | — |
| Oct 2 | TD Cowen | $120 | +53.5% |
| Sep 22 | Needham | $106 | +35.6% |
Gekko doesn’t publish price predictions. These are analyst targets and historical base rates, which don’t guarantee future results.
Over the next 20 trading days from Oct 10, TransMedics averaged +10.9% across the last 5 years, rising in 4 of them.
| Window | Average | Years higher |
|---|---|---|
| Next 5 trading days | −2.6% | 2 of 5 |
| Next 10 trading days | +0.6% | 3 of 5 |
| Next 15 trading days | −4.0% | 3 of 5 |
| Next 20 trading days | +10.9% | 4 of 5 |
| Next 30 trading days | +6.8% | 3 of 5 |
For scale, TMDX’s typical 20-trading-day move in either direction is about 11.9%.
TransMedics’s market cap is $2.70B, with a P/E ratio of 20.5 and revenue of $668.5M over the last twelve months.
Coverage of TransMedics this week reads positive: 3 positive, 2 neutral and 1 negative headlines.
TransMedics’s 6 largest industry peers by market value, with today’s move, GekkoIndex zone and gap to Gekko Fair Value.
| Stock | GekkoIndex zone | vs Fair Value |
|---|---|---|
| TMOThermo Fisher Scientific | Neutral | 18.2% above |
| ABTAbbott Laboratories | Neutral | 14.7% below |
| DHRDanaher | Neutral | 4.5% above |
| ISRGIntuitive Surgical | Neutral | 18.8% above |
| MDTMedtronic | Neutral | 22.9% below |
| SYKStryker | Accumulation | 12.6% below |
A peer links to its own page where one exists.
TransMedics’s market cap is $2.70B at the Oct 12, 2026 close of $78.17, with 34.56M shares outstanding. The shares trade on a P/E ratio of 20.5.
The consensus analyst 12-month price target for TransMedics is $99.82, +27.7% from the last close. Of the 11 firms that rated the stock in the last 90 days, 7 rate it a buy, 4 a hold and 0 a sell. Gekko doesn’t publish price predictions of its own.
On Gekko’s estimate TransMedics is undervalued: the Oct 12, 2026 close of $78.17 is 14.4% below Gekko Fair Value of $91.37. Gekko Fair Value is recalculated every trading day, and a gap inside 5% either way counts as about fair value.
TransMedics is expected to report on Nov 4, 2026, after the market closes (23 days away). Analysts expect earnings of $0.30 per share on revenue of $177.5M. TransMedics beat the earnings estimate in 4 of its last 8 reports, moving 12.6% on average across the report.
TransMedics’s 52-week high is $156.00 and its 52-week low is $60.11; it closed at $78.17 on Oct 12, 2026, −30.8% over the past year. Over the last five years the shares peaked at $177.37 on Aug 23, 2024.
Gekko describes the data; it does not make buy or sell recommendations. On the swing-trade checklist, 4 of the 6 items with data read as supportive (gekkoindex, fair value, smart money and seasonality) and 2 as headwinds (trend and earnings risk). The checklist is a description of current data, not a recommendation.
During US trading hours the price at the top of the page is a delayed quote, refreshed every 15 minutes; everything else is rebuilt after each US market close. The GekkoIndex, Gekko Fair Value and the checklist are Gekko’s own, and the Gekko Brief is written by AI from this page’s data and checked against it before it is published. How Gekko’s data works →
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