CLMT · Calumet, Inc. · Insider Trading

The reporting person elected to surrender 7,954 shares of Calumet, Inc. common stock, par value $0.01 per share, to satisfy tax withholding liabilities upon delivery of common stock in accordance with Rule 16b-3.

Each Restricted Stock Unit is the economic equivalent of one share of Calumet, Inc. common stock, par value $0.01 per share.

100% of the Restricted Stock Units vested on September 11, 2026.

The reporting person elected to receive 40% of Restricted Stock Units vested and reported here within to be settled in the cash equivalent of a Calumet, Inc. common share.

The reporting person elected to surrender 42,190 shares of Calumet, Inc. common stock, par value $0.01 per share, to satisfy tax withholding liabilities upon delivery of common stock in accordance with Rule 16b-3.

Each Restricted Stock Unit is the economic equivalent of one share of Calumet, Inc. common stock, par value $0.01 per share.

100% of the Restricted Stock Units vested on August 1, 2026.

The reporting person elected to surrender 46,901 shares of Calumet, Inc. common stock, par value $0.01 per share, to satisfy tax withholding liabilities upon delivery of common stock in accordance with Rule 16b-3.

Each Restricted Stock Unit is the economic equivalent of one share of Calumet, Inc. common stock, par value $0.01 per share.

100% of the Restricted Stock Units vested on August 1, 2026.

The reporting person elected to surrender 13,560 shares of Calumet, Inc. common stock, par value $0.01 per share, to satisfy tax withholding liabilities upon delivery of common stock in accordance with Rule 16b-3.

Each Restricted Stock Unit is the economic equivalent of one share of Calumet, Inc. common stock, par value $0.01 per share.

100% of the Restricted Stock Units vested on August 1, 2026.

Each Restricted Stock Unit is the economic equivalent of one share of Calumet, Inc. common stock, par value $0.01 per share.

100% of the Restricted Stock Units vested on August 1, 2026.

Each Restricted Stock Unit is the economic equivalent of one share of Calumet, Inc. common stock, par value $0.01 per share.

Each Restricted Stock Unit will be settled upon the earlier of the date specified by the reporting person or the reporting person's termination date pursuant to the Deferred Compensation Plan. 25% of the Restricted Stock Units vest on July 1 of each year beginning on July 1, 2027.

Each Restricted Stock Unit is the economic equivalent of one share of Calumet, Inc. common stock, par value $0.01 per share.

Each Restricted Stock Unit will be settled upon the earlier of the date specified by the reporting person or the reporting person's termination date pursuant to the Deferred Compensation Plan. 25% of the Restricted Stock Units vest on July 1 of each year beginning on July 1, 2027.

Each Restricted Stock Unit is the economic equivalent of one share of Calumet, Inc. common stock, par value $0.01 per share.

Each Restricted Stock Unit will be settled upon the earlier of the date specified by the reporting person or the reporting person's termination date pursuant to the Deferred Compensation Plan. 25% of the Restricted Stock Units vest on July 1 of each year beginning on July 1, 2027.

Each Restricted Stock Unit is the economic equivalent of one share of Calumet, Inc. common stock, par value $0.01 per share.

Each Restricted Stock Unit will become settled upon the earlier of the date specified by the reporting person or the reporting person's termination date. Restricted Stock Units are 100% vested.

Each Restricted Stock Unit is the economic equivalent of one share of Calumet, Inc. common stock, par value $0.01 per share.

Each Restricted Stock Unit will become settled upon the earlier of the date specified by the reporting person or the reporting person's termination date. Restricted Stock Units are 100% vested.

Each Restricted Stock Unit is the economic equivalent of one share of Calumet, Inc. common stock, par value $0.01 per share.

Each Restricted Stock Unit will be settled upon the earlier of the date specified by the reporting person or the reporting person's termination date pursuant to the Deferred Compensation Plan. 25% of the Restricted Stock Units vest on July 1 of each year beginning on July 1, 2027.

Each Restricted Stock Unit is the economic equivalent of one share of Calumet, Inc. common stock, par value $0.01 per share.

Each Restricted Stock Unit will become settled upon the earlier of the date specified by the reporting person or the reporting person's termination date. Restricted Stock Units are 100% vested.

Each Restricted Stock Unit is the economic equivalent of one share of Calumet, Inc. common stock, par value $0.01 per share.

Each Restricted Stock Unit will become settled upon the earlier of the date specified by the reporting person or the reporting person's termination date. Restricted Stock Units are 100% vested.

The reporting person elected to surrender 5,512 shares of Calumet, Inc. common stock, par value $0.01 per share, to satisfy tax withholding liabilities upon delivery of common stock in accordance with Rule 16b-3.

Each Restricted Stock Unit is the economic equivalent of one share of Calumet, Inc. common stock, par value $0.01 per share.

100% of the Restricted Stock Units vested on June 2, 2026.

Each Restricted Stock Unit is the economic equivalent of one share of Calumet, Inc. common stock, par value $0.01 per share.

100% of the Restricted Stock Units vested on June 2, 2026.

The reporting person elected to surrender 2,827 shares of Calumet, Inc. common stock, par value $0.01 per share, to satisfy tax withholding liabilities upon delivery of common stock in accordance with Rule 16b-3.

Each Restricted Stock Unit is the economic equivalent of one share of Calumet, Inc. common stock, par value $0.01 per share.

100% of the Restricted Stock Units vested on June 2, 2026.

The reporting person elected to surrender 2,827 shares of Calumet, Inc. common stock, par value $0.01 per share, to satisfy tax withholding liabilities upon delivery of common stock in accordance with Rule 16b-3.

The reporting person elected to surrender 2,827 shares of Calumet, Inc. common stock, par value $0.01 per share, to satisfy tax withholding liabilities upon delivery of common stock in accordance with Rule 16b-3.

Each Restricted Stock Unit is the economic equivalent of one share of Calumet, Inc. common stock, par value $0.01 per share.

100% of the Restricted Stock Units vested on June 2, 2026.

Each Restricted Stock Unit is the economic equivalent of one share of Calumet, Inc. common stock, par value $0.01 per share.

100% of the Restricted Stock Units vested on June 2, 2026.

Each Restricted Stock Unit is the economic equivalent of one share of Calumet, Inc. common stock, par value $0.01 per share.

100% of the Restricted Stock Units vested on June 2, 2026.

Each Restricted Stock Unit is the economic equivalent of one share of Calumet, Inc. common stock, par value $0.01 per share.

100% of the Restricted Stock Units vested on June 2, 2026.

Each Restricted Stock Unit is the economic equivalent of one share of Calumet, Inc. common stock, par value $0.01 per share.

100% of the Restricted Stock Units vested on June 2, 2026.

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 18, 2025. The closing price of one share of Calumet, Inc. common stock, as reported on the Nasdaq Global Select Market, on the date the Rule 10b5-1 trading plan was adopted by the reporting person was $19.08 per share.

The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $35.72 per share to $36.33 per share. The reporting person undertakes to provide to Calumet, Inc., any security holder of Calumet, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (2) to this Form 4.

The reported transaction represents a charitable donation of shares of Common Stock by the Reporting Person to The J.E. Fehsenfeld Family Foundation, Inc., a tax-qualified private foundation.

Each Restricted Stock Unit is the economic equivalent of one share of Calumet, Inc. common stock, par value $0.01 per share.

Restricted Stock Units vest upon the earlier of June 2, 2027 or the date on which Calumet, Inc. holds its Annual Meeting in 2027. Restricted Stock Units will be settled upon vesting.

Each Restricted Stock Unit is the economic equivalent of one share of Calumet, Inc. common stock, par value $0.01 per share.

Restricted Stock Units vest upon the earlier of June 2, 2027 or the date on which Calumet, Inc. holds its Annual Meeting in 2027. Restricted Stock Units will be settled upon vesting.

Each Restricted Stock Unit is the economic equivalent of one share of Calumet, Inc. common stock, par value $0.01 per share.

Restricted Stock Units vest upon the earlier of June 2, 2027 or the date on which Calumet, Inc. holds its Annual Meeting in 2027. Restricted Stock Units will be settled upon vesting.

Each Restricted Stock Unit is the economic equivalent of one share of Calumet, Inc. common stock, par value $0.01 per share.

Restricted Stock Units vest upon the earlier of June 2, 2027 or the date on which Calumet, Inc. holds its Annual Meeting in 2027. Restricted Stock Units will be settled upon vesting.

Each Restricted Stock Unit is the economic equivalent of one share of Calumet, Inc. common stock, par value $0.01 per share.

Restricted Stock Units vest upon the earlier of June 2, 2027 or the date on which Calumet, Inc. holds its Annual Meeting in 2027. Restricted Stock Units will be settled upon vesting.