TMDXTransMedics Group, Inc.
What is the market doing?
No clear lean: insiders net buying, but in a downtrend (−24% vs 200-day) and a crowded short (+22% of shares).
In a downtrend, below its 50- and 200-day averages. Price is −24% vs its 200-day average.
Insiders were net buyers over the 90 days ending Oct 8, 2026.
A crowded short, settled Sep 15, 2026, more than a week of normal trading to cover, a crowded exit.
Against the whole market›
Percentile against every name Ryufin tracks. Higher is better; the tick marks the middle of the market. Context, not one of the checks above.
Where this answer is blind. Insider selling is often routine (taxes, diversification); only cluster buying is a strong tell.
How TMDX is trading
TransMedics Group, Inc. is −36% over the past year while the S&P 500 is +18%: 55 points behind the market.
1-year return · S&P 500 +18%
- vs 200-day average
- −24%
vs 200-day average · a clear downtrend
- RSI (14)
- 32
RSI (14) · neutral
- Below its 52-week high
- 48%
Below its 52-week high
Details›
- Last close2026-10-09
- $77.81
- 1 monthS&P 500 +2.7%
- −8.5%
- 1 yearS&P 500 +18%
- −36%
- 5 yearsS&P 500 +88%
- +150%
- vs 50-day average$85.40
- −8.9%
- 52-week high
- $150.42
- 52-week low
- $62.04
- Annualised volatility
- 64%
- Insider buying, net, 6 monthsForms 3/4/5 to 2026-10-08
- −$613K
| Year | Return |
|---|---|
| 2026 (year to date) | −36% |
| 2025 | +95% |
| 2024 | −21% |
| 2023 | +28% |
| 2022 | +222% |
| 2021 | −3.7% |
| 2020 | +4.7% |
| Month | Years | Positive | Average |
|---|---|---|---|
| Jan | 7 | 5 of 7 | +2.7% |
| Feb | 7 | 5 of 7 | +15% |
| Mar | 7 | 2 of 7 | −2.9% |
| Apr | 7 | 5 of 7 | +9.5% |
| May | 7 | 3 of 7 | +6.2% |
| Jun | 8 | 8 of 8 | +16% |
| Jul | 8 | 3 of 8 | −1.3% |
| Aug | 8 | 5 of 8 | +4.9% |
| Sep | 8 | 1 of 8 | −8.6% |
| Oct | 8 | 2 of 8 | −14% |
| Nov | 7 | 6 of 7 | +22% |
| Dec | 7 | 3 of 7 | −2.7% |
End-of-day closes from IEX; the S&P 500 comparison uses SPY over the same window. Prices are a reference point, not a basis for trading decisions.