According to @stocktalkweekly, Elon Musk executed a $1 billion insider purchase of Tesla shares, and TSLA’s premarket move added roughly $100 billion in market capitalization. Source: @stocktalkweekly on X, Sep 15, 2025. Tesla has disclosed digital asset holdings, including Bitcoin, in SEC filings, which is relevant context for crypto-focused traders monitoring equity-driven headlines. Source: Tesla, Inc. Form 10-K 2021 and Form 10-K 2023.