According to the source, Michael Saylor hinted at buying more Bitcoin by posting the phrase Don't Stop Believin on Oct 12, 2025, and the post does not cite any accompanying SEC filing or corporate disclosure. source: X post dated Oct 12, 2025 MicroStrategy has historically confirmed BTC acquisitions via SEC Form 8-K filings and official press releases, which are the primary channels to verify any new purchases. source: MicroStrategy SEC Form 8-K filings and company press releases on bitcoin purchases