Trend Signal Now: The Hot Corner: Biotech Investor James Topper Reports a $12 Million $MBX Buy

Wednesday, October 1, 2025

Every day, we sift through the filings to spot where the real conviction lies – cutting through the noise to highlight the most meaningful insider moves.

Here's what stood out today:

📌 MBX Biosciences $MBX – Director James Topper filed a Form 4 for $11,999,988.

A specialist biotech investor writing a near-$12 million check is some serious conviction in an emerging endocrine play.

Biotech is one of those spaces where following the experts pays off more often than not.

Here's The Hot Corner, with data from September 30, 2025:

Click the table to enlarge it.

📌 United States Antimony $UAMY – Chairman and CEO Gary Evans filed a Form 4 for $613,200.

This is a clean open-market buy in a tiny industrial metals producer. It's quiet but notable as the entire metals and minerals space begins to catch a bid.

It's Small-Cap Season

All Star Charts Chief Market Strategist Steve Strazza and Patrick Dunuwila, editor of The Chart Report, talk about their favorite small-cap stocks to buy right now.

Here's how to play one of the hottest parts of the market.

The Hot Corner Insider

Here's what's happening with The Hot Corner Insider:

We get together on Wednesdays for the Hot Corner Insider Weekly Strategy Session. And we compile the recordings from each and every one in the Strategy Session Archive.

Note that all actionable setups we discuss in The Hot Corner Insider are compiled on the Trade Ideas page.

And please reach out if you have any questions.

Alfonso Depablos | Senior Analyst, All Star Charts

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