Trend Signal Now: The Hot Corner: The Baker Bros Are Back

Monday, December 22, 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.

📌Kodiak Sciences $KOD — The Baker Bros. revealed a new Form 4 worth $60 Million.

The kings of biotech are back with a fresh purchase, this time in a familiar name, as shares climb attempting to fill a massive gap.

📌 Autozone $AZO — Director Brian Hannasch revealed a new Form 4 purchase for $498,784.

Fresh buy in an auto parts name that's shaved a quarter of its value this quarter.

Here's The Hot Corner, with data from December 19, 2025:

Click the table to enlarge it.

📌 Hallador Energy Co $HNRG — Ray Wesley Charles disclosed a fresh Form 4 buy for $356,576.

Insiders across the Coal space continue to accumulate as trends improve and leaders emerge.

📌 Howard Hughes Holdings Inc $HHH — Pershing Square Capital Management disclosed a 13D increase from 31.47% to 46.90%

Bill Ackman's bid continues in what many investors believe could be the next Berkshire Hathaway. This underfollowed real estate company is carving out a massive base, but hasn't broken out above the IPO AVWAP.

If you want this actionable trade ideas based on insider trading, join Hot Corner Insider risk-free.

Alfonso De Pablos | Director of Research, All Star Charts

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