On September 15, 2025, Tesla witnessed a remarkable uptick, with its stock price soaring by over 6% in pre-market trading. This surge came on the heels of a 7.3% increase during the previous trading day. According to reports, a regulatory filing submitted by Tesla revealed that Elon Musk had purchased a staggering total of more than 2.5 million Tesla shares on September 12, amounting to a total value of roughly $1 billion.