 Top 5 Insider Purchases for May 11: Who Invested $30 Million in Their Business While retail traders speculate on market direction, insiders vote with their money. I've broken down the largest purchases from yesterday—here's what really caught the attention of people inside companies. Pulse Biosciences (PLSE) — $13 million Director Robert Duggan bought 660,000 shares at $19.69. This isn't just a purchase—it's a 1% increase in stake. Plus, CEO Paul Laviolette entered from zero, buying 15,000 shares. The company specializes in pulse technologies in medicine. Total volume was the largest of the day. TXO Partners (TXO) — $9.45 million Director Bob Simpson acquired 750,000 shares at $12.61. The oil and gas sector isn't the trendiest, but the insider increased his stake by 11%. A bet on energy commodities? Atara Biotherapeutics (ATRA) — $4.74 million Fund Ecor1 Capital bought 507,000 shares at $9.35, increasing its stake by 49%. Biotech is a high-risk sector, but such a stake increase signals deep confidence. 4️⃣ Starlink AI Acquisition Corp (OTAI) — $2.2 million Fund Jkapital Ltd. bought 221,500 shares at $10.00. A SPAC in the AI space—right in line with our project's theme. An insider purchase of $2.2M at exactly $10 is a signal. 5️⃣ Universal Display (OLED) — $1.37 million (two purchases) CEO Steven Abramson bought 11,000 shares at $93.43, and top manager Mauro Premutico added another 3,694 shares. Display technology—a long-term bet. What this means: In total, insiders invested $30 million in a single day. The largest purchases were in biotech and energy, but the AI sector (OTAI) also received attention. When directors and funds buy millions worth—it's worth analyzing. Data: OpenInsider, May 11, 2026. Not investment advice.