Michael Saylor’s Strategy sold $136.1 million of preferred stock under its at-the-market offering program and used those proceeds, along with cash from a new preferred stock deal, to buy 8,178 bitcoin last week, according to a Form 8-K filed Monday with the U.S. Securities and Exchange Commission. The company sold three series of preferred stock under the ATM. It did not sell any shares of its Class A common stock, which trades on Nasdaq under the ticker MSTR, during the period. Strategy sold 39,957 shar ...