Based solely on the provided article body, insiders at Nvidia, Palantir Technologies, and Meta Platforms have been decisive net sellers of their company's stock over the trailing three-year period (through July 3, 2026). According to aggregated Form 4 filings, Nvidia saw $5,088,590,417 in net selling, Palantir saw $6,037,205,924 in net selling, and Meta Platforms saw $4,489,819,191 in net selling. Altogether, insiders at these three titans have dumped a net of more than $15.6 billion of their company's stock. The article notes that insider buying has been almost nonexistent, signaling possible concerns about historical precedent with next-big-thing technologies, though it also states that not all insider selling is necessarily nefarious.