Carrier Global Corp disclosed a large insider sale on May 20, 2026: Maximilian Viessmann sold 12,094,823 shares in the open market at $62.01 per share, for total proceeds of about $750 million. By size, this is a standout transaction and represents the most significant insider trade reported at Carrier Global in recent months. This matters because open-market sales are discretionary transactions where an insider chooses to sell shares at prevailing market prices, unlike routine company-issued stock awards or option exercises that often occur as part of compensation. While the filing identifies Viessmann as an “insider,” investors typically view sales by insiders as more informative when they are large and voluntary, since insiders may have deeper familiarity with the business than outside shareholders. Recent filings show no other reported insider trades at CARR over the last 30 days besides this sale. That lack of additional activity, combined with the scale of the transaction, makes it an important data point for investors tracking insider behavior, though it does not, on its own, explain the seller’s motives or indicate how the stock will perform.