This happened sometime in April. They sold enough to get under 10% ownership (reporting requirements) around early April. Most institutional investors most lik

This happened sometime in April. They sold enough to get under 10% ownership (reporting requirements) around early April. Most institutional investors most likely already assumed they were preparing to unload the rest of their positions. But now everyone has the confirmation, they spent the rest of the month after that unloading those shares. More important than the headline, is that Buffett said they currently aren't buying anything. They most likely expect another leg down.