SEC Filing Form 4

This filing details transactions by Stephen P. Mawer, a director at Calumet, Inc. /DE. On September 25, 2026, Mawer acquired 61,387 shares of Common Stock through the vesting of Restricted Stock Units. Concurrently, 24,555 shares were disposed of. It is noted that 40% of the vested Restricted Stock Units were settled in cash equivalent to the stock price, as per footnote F1. The Restricted Stock Units are economically equivalent to the company's common stock. Post-transaction, Mawer holds 348,410 shares directly. The transactions are marked under codes "M" for acquisition and "S" for disposal, with a transaction price of $0.00 for both.