Insider selling dominated US markets this past week. But a handful of executives made notable counter-moves with fresh purchases.
The biggest seller story belongs to CRWV. Magnetar Financial, a 10% owner of CoreWeave, filed six separate sales this week. Combined, those trades totalled over $170M in stock. Filings hit between May 6–8. The AI infrastructure firm only went public in March. This level of early-stage selling from a major holder is unusual.
AAPL Chairman Arthur Levinson also filed this week. He sold roughly $71M in Apple shares across two trades on May 6. Both filings landed May 8.
On the buy side, SRAD CEO Carsten Koerl stepped up three times in four days. He filed $6.7M in total purchases of Sportradar stock between May 4–6. Founder-CEOs buying their own stock repeatedly in a short window is a strong signal of internal confidence.
GEHC saw director H. Lawrence Culp Jr. buy $5M worth of GE HealthCare shares on May 6, filed the following day. Meanwhile, UPST founder Dave Girouard filed a purchase on May 8, picking up nearly 170,000 shares at around $29 each.
General Atlantic also made a striking move — buying $34.7M in ALKT across three days. The private equity firm already holds a 10% stake in Alkami Technology.
This is not financial advice.
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