High-rolling investors have positioned themselves bearish on TransMedics Gr (NASDAQ:TMDX), and it's important for retail traders to take note.\This activity came to our attention today through Benzinga's tracking of publicly available options data. The identities of these investors are uncertain, but such a significant move in TMDX often signals that someone has privileged information.

Today, Benzinga's options scanner spotted 8 options trades for TransMedics Gr. This is not a typical pattern.

The sentiment among these major traders is split, with 37% bullish and 62% bearish. Among all the options we identified, there was one put, amounting to...