Director Dumps $430M in NVIDIA; Dart Bets Big on Evolution

The most striking insider activity in recent filings centres on two names sitting at opposite ends of the conviction spectrum.

NVIDIA director Mark A. Stevens filed in early September, disclosing he sold more than $430m worth of shares across a cluster of transactions on August 31 and September 2. The trades spanned multiple filings on the same dates, a pattern that often reflects a pre-arranged 10b5-1 plan. That weakens the signal considerably. Stevens' general counsel Timothy Teter also sold around $6.5m in the same window, adding to the wave of supply from inside the chipmaker.

The more interesting story sits in Stockholm. Kenneth Bryan Dart, the billionaire main shareholder of Evolution AB, filed in late August to disclose he bought over $715m of stock across two tranches on July 21 and July 24. Dart is not an officer and filed weeks after the trades, but the sheer scale of open-market buying from a major shareholder is a rare and strong signal. At the same time, an associate-level insider at Evolution sold a comparatively modest $5.3m in late August, a minor counterweight to Dart's commitment.

On the cluster-buying front, two insiders at Alpha Metallurgical Resources each purchased shares, with combined filings totalling $7.7m disclosed in late August. Coordinated buying from multiple insiders at the same company carries more weight than a single trade.

Note: the vendor insider dataset used here runs only to September 8, 2026. More recent US filings from SEC EDGAR were not accessible in this session.