MSTR upsized it's Preferred Stock ($STRK) offering from $250M to $584M, proceeds will be used to acquire more Bitcoin

https://www.microstrategy.com/press/microstrategy-announces-pricing-of-strike-preferred-stock-offering-strk_01-31-2025

$STRK in the most simple term is $1000 call option on MSTR with 8% annual dividend traded as a stock.