C CITIGROUP INC Capital Structure Changes 8-K Filing 2025 - New Preferred Stock Citigroup Inc. has established a new series of preferred stock, 6.950% Fixed Rate Reset Noncumulative Preferred Stock, Series FF, effective February 11, 2025, and filed the relevant Certificate of Designations with Delaware authorities.Get access to all SEC 8-K filings of the CITIGROUP INC