The people who know their companies best are heading for the exits. US corporate insiders sold $77.6 billion worth of shares in the first half of 2026, marking a 20% increase over the same period in 2025 and the second-fastest selling pace in more than two decades.

Meanwhile, insider buying clocked in at just $6.9 billion, hovering barely above a seven-year low.

The numbers paint a bleak picture of executive confidence

January 2026 was the marquee month for insider exits. Nearly 1,000 senior executives reported stock sales, while only 207 were net buyers. That’s the widest sell-to-buy gap in five years, and it’s not even close.

February kept the momentum going. Insider sales at S&P 500 companies alone hit $4.9 billion, dwarfing the $271 million in purchases. In English: for every dollar executives spent buying their own company’s stock, they sold roughly $18 worth.

The S&P 500 had gained roughly 10% year-to-date when much of this selling occurred. Normally, a rising market makes insiders feel good about holding. This time, they chose to cash out into strength.

Why this matters beyond traditional markets

The selling wave has been concentrated in tech stocks, particularly in AI and semiconductor names. These are the same sectors that have driven much of the speculative enthusiasm bleeding into crypto-adjacent plays: AI tokens, decentralized compute networks, and GPU-linked narratives.

A 20% year-over-year jump in selling volume, paired with buying activity near multi-year lows, suggests something more systematic than personal financial planning.

Historical context adds weight to the signal

The last time selling reached comparable levels was in the early 2000s, right before the dot-com bubble fully deflated. During previous cycles, sustained insider selling at elevated levels preceded market corrections by roughly three to six months.

Analysts have noted the disconnect between executive behavior and market performance. The S&P 500’s 10% gain should theoretically encourage insiders to hold, or even buy more. Their reluctance to increase equity exposure, despite favorable price action, suggests private concerns about sustainability that haven’t yet shown up in public commentary or earnings calls.

What crypto investors should watch from here

For altcoins and tokens tied to AI and compute narratives, the risk is more direct. If the semiconductor and AI equity trade unwinds, the speculative premium in related tokens could evaporate faster than the underlying equity positions, since crypto markets have thinner liquidity and no circuit breakers.

The sell-to-buy ratio among corporate insiders is one of the quieter signals in markets. Right now, it’s flashing a level of caution not seen in half a decade, and in a market environment that looks superficially healthy.