According to online reports, Strategy's acquisition of 4,980 bitcoins (total: US$531.9 million) came from ATM (mark-to-market) sales of its Class A common stock MSTR, convertible preferred stock STRK and permanent Strife preferred stock STRF. The company said that as of June 29,$18.1 billion worth of MSTR shares were still available for issue and sale under the plan. Strategy also sold 276,071 shares of STRK stock for approximately $28.9 million, leaving $20.5 billion worth of STRK stock still available for issue and sale under the plan. At the same time, the company sold 284,225 STRF shares for US$29.7 million, leaving US$1.9 billion remaining under the plan.