Every day, we sift through the filings to spot where the real conviction lies β cutting through the noise to highlight the most meaningful insider moves.
π Sportradar $SRAD β CEO Carsten Koerl purchased $4.55 Million via Form 4.
A meaningful add from the founder-operator, increasing exposure to the sports data and analytics platform.
Founder buying tends to matter more because these executives often have the deepest understanding of the companyβs long-term opportunity set.
π Berkshire Hathaway $BRK.B β General Counsel Ronald Olson purchased $250,545 via Form 4.
A veteran Berkshire board member and longtime legal adviser adding personal exposure to the conglomerate.
Insider buying at Berkshire is relatively rare, which makes transactions like this worth noting.
Hereβs The Hot Corner, with data from May 6, 2026:
π Ashland $ASH β Standard Investments increased its stake from 5.74% to 6.80% via 13D.
The activist-oriented investor continues to scale into the chemicals company as the stock tests support near its COVID lows.
π Agios Pharmaceuticals $AGIO β Lynx1 Capital Management increased its stake from 4.46% to 5.10% via 13G.
The healthcare-focused investor crossed the key 5% threshold, turning the biotech position into a disclosed, meaningful stake.
