CENX

SEC source: 0000949157-25-000010 · wk-form4_1735943254.xml · nonDerivative · entry 1

DeZee John · CIK 0001863198 · EVP, GC and Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 127,919

F1 · shares: Represents shares of common stock acquired by the Reporting Person upon the vesting of PSUs granted in connection with the Issuer's 2022-2024 Long-Term Incentive Plan under Rule 16b-3(d).

SEC source: 0000949157-25-000008 · wk-form4_1735943092.xml · nonDerivative · entry 3

Calloway Kenneth L · CIK 0002014963 · SVP, Human Resources

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,369

F3 · shares: Shares withheld by the Issuer to satisfy tax obligations in connection with the vesting of TVSUs previously granted to the Reporting Person on January 1, 2022.

SEC source: 0000949157-25-000008 · wk-form4_1735943092.xml · nonDerivative · entry 2

Calloway Kenneth L · CIK 0002014963 · SVP, Human Resources

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,494

F2 · shares: Shares withheld by the Issuer to satisfy tax obligations in connection with the vesting of PSUs granted to the Reporting Person.

SEC source: 0000949157-25-000008 · wk-form4_1735943092.xml · nonDerivative · entry 1

Calloway Kenneth L · CIK 0002014963 · SVP, Human Resources

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 41,774

F1 · shares: Represents shares of common stock acquired by the Reporting Person upon the vesting of PSUs granted in connection with the Issuer's 2022-2024 Long-Term Incentive Plan under Rule 16b-3(d).

SEC source: 0000949157-25-000006 · wk-form4_1735942923.xml · nonDerivative · entry 3

Aboud Matt · CIK 0001863408 · SVP, Strategy & Business Dev't

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 65,681

F3 · shares: Shares withheld by the Issuer to satisfy tax obligations in connection with the vesting of TVSUs previously granted to the Reporting Person on January 1, 2022.

SEC source: 0000949157-25-000006 · wk-form4_1735942923.xml · nonDerivative · entry 2

Aboud Matt · CIK 0001863408 · SVP, Strategy & Business Dev't

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 68,204

F2 · shares: Shares withheld by the Issuer to satisfy tax obligations in connection with the vesting of PSUs granted to the Reporting Person.

SEC source: 0000949157-25-000006 · wk-form4_1735942923.xml · nonDerivative · entry 1

Aboud Matt · CIK 0001863408 · SVP, Strategy & Business Dev't

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 75,562

F1 · shares: Represents shares of common stock acquired by the Reporting Person upon the vesting of PSUs granted in connection with the Issuer's 2022-2024 Long-Term Incentive Plan under Rule 16b-3(d).

SEC source: 0000949157-25-000004 · wk-form4_1735942664.xml · nonDerivative · entry 3

Trpkovski Peter A · CIK 0001980271 · SVP, Finance and Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 51,491

F3 · shares: Shares withheld by the Issuer to satisfy tax obligations in connection with the vesting of TVSUs previously granted to the Reporting Person on January 1, 2022.

SEC source: 0000949157-25-000004 · wk-form4_1735942664.xml · nonDerivative · entry 2

Trpkovski Peter A · CIK 0001980271 · SVP, Finance and Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 52,194

F2 · shares: Shares withheld by the Issuer to satisfy tax obligations in connection with the vesting of PSUs granted to the Reporting Person.

SEC source: 0000949157-25-000004 · wk-form4_1735942664.xml · nonDerivative · entry 1

Trpkovski Peter A · CIK 0001980271 · SVP, Finance and Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 54,243

F1 · shares: Represents shares of common stock acquired by the Reporting Person upon the vesting of PSUs granted in connection with the Issuer's 2022-2024 Long-Term Incentive Plan under Rule 16b-3(d).

SEC source: 0001104659-25-000640 · tm251829-1_4seq1.xml · derivative · entry 3

GLENCORE INTERNATIONAL AG · CIK 0001032383 · 10% owner

Glencore AG · CIK 0001449539 · 10% owner

Glencore plc · CIK 0001521365 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 49,715.09

Underlying: Common Stock · 210,162 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each share of Series A Convertible Preferred Stock is convertible into 100 shares of Common Stock at the times and under the circumstances described in the Certificate of Designation for the Series A Convertible Preferred Stock. The Series A Convertible Preferred Stock has no expiration date.

F2 · price: Each share of Series A Convertible Preferred Stock is convertible into 100 shares of Common Stock at the times and under the circumstances described in the Certificate of Designation for the Series A Convertible Preferred Stock. The Series A Convertible Preferred Stock has no expiration date.

F2 · derivative.exercise_date: Each share of Series A Convertible Preferred Stock is convertible into 100 shares of Common Stock at the times and under the circumstances described in the Certificate of Designation for the Series A Convertible Preferred Stock. The Series A Convertible Preferred Stock has no expiration date.

F2 · derivative.expiration_date: Each share of Series A Convertible Preferred Stock is convertible into 100 shares of Common Stock at the times and under the circumstances described in the Certificate of Designation for the Series A Convertible Preferred Stock. The Series A Convertible Preferred Stock has no expiration date.

F3 · ownership.nature: The shares of Common Stock reported in Line 1 of Table I and the shares of Series A Convertible Preferred Stock reported in Table II are held directly by Glencore AG, a direct wholly-owned subsidiary of Glencore International AG, and may be deemed to be indirectly beneficially owned by Glencore International AG. The Common Stock reported on Line 2 of Table I is held directly by Glencore International AG. Glencore International AG is wholly owned by Glencore plc, which may be deemed an indirect beneficial owner of the securities held by Glencore AG and Glencore International AG.

SEC source: 0001104659-25-000640 · tm251829-1_4seq1.xml · nonDerivative · entry 1

GLENCORE INTERNATIONAL AG · CIK 0001032383 · 10% owner

Glencore AG · CIK 0001449539 · 10% owner

Glencore plc · CIK 0001521365 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 12,534,438

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Represents shares of Common Stock acquired upon conversion of 2,101.62 shares of Series A Convertible Preferred Stock on December 31, 2024.

F2 · price: Each share of Series A Convertible Preferred Stock is convertible into 100 shares of Common Stock at the times and under the circumstances described in the Certificate of Designation for the Series A Convertible Preferred Stock. The Series A Convertible Preferred Stock has no expiration date.

F3 · ownership.nature: The shares of Common Stock reported in Line 1 of Table I and the shares of Series A Convertible Preferred Stock reported in Table II are held directly by Glencore AG, a direct wholly-owned subsidiary of Glencore International AG, and may be deemed to be indirectly beneficially owned by Glencore International AG. The Common Stock reported on Line 2 of Table I is held directly by Glencore International AG. Glencore International AG is wholly owned by Glencore plc, which may be deemed an indirect beneficial owner of the securities held by Glencore AG and Glencore International AG.

SEC source: 0000949157-24-000100 · wk-form4_1735599361.xml · nonDerivative · entry 2

Gary Jesse E · CIK 0001568817 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 753

F3 · price: The price reported above reflects the weighted average sale price for the shares which were sold in multiple transactions at prices ranging from $18.34 to $18.87, inclusive. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the specific number of shares and prices at which the transactions were effected.

F2 · balance_after: Shares held in a self-settled, revocable trust for which the Reporting Person serves as trustee.

SEC source: 0000949157-24-000100 · wk-form4_1735599361.xml · nonDerivative · entry 1

Gary Jesse E · CIK 0001568817 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 50,753

F1 · price: The price reported above reflects the weighted average sale price for the shares which were sold in multiple transactions at prices ranging from $18.76 to $19.10, inclusive. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the specific number of shares and prices at which the transactions were effected.

F2 · balance_after: Shares held in a self-settled, revocable trust for which the Reporting Person serves as trustee.

SEC source: 0000949157-24-000096 · wk-form4_1733780431.xml · nonDerivative · entry 1

Gudlaugsson Gunnar · CIK 0001846594 · EVP - Global Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 107,932

F1 · balance_after: Includes unvested TVSUs granted to the Reporting Person under the Issuer's Long-Term Incentive Plans.

SEC source: 0001104659-24-105269 · tm2425424-1_4seq1.xml · derivative · entry 3

GLENCORE INTERNATIONAL AG · CIK 0001032383 · 10% owner

Glencore AG · CIK 0001449539 · 10% owner

Glencore plc · CIK 0001521365 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 51,816.71

Underlying: Common Stock · 13,192 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each share of Series A Convertible Preferred Stock is convertible into 100 shares of Common Stock at the times and under the circumstances described in the Certificate of Designation for the Series A Convertible Preferred Stock. The Series A Convertible Preferred Stock has no expiration date.

F2 · price: Each share of Series A Convertible Preferred Stock is convertible into 100 shares of Common Stock at the times and under the circumstances described in the Certificate of Designation for the Series A Convertible Preferred Stock. The Series A Convertible Preferred Stock has no expiration date.

F2 · derivative.exercise_date: Each share of Series A Convertible Preferred Stock is convertible into 100 shares of Common Stock at the times and under the circumstances described in the Certificate of Designation for the Series A Convertible Preferred Stock. The Series A Convertible Preferred Stock has no expiration date.

F2 · derivative.expiration_date: Each share of Series A Convertible Preferred Stock is convertible into 100 shares of Common Stock at the times and under the circumstances described in the Certificate of Designation for the Series A Convertible Preferred Stock. The Series A Convertible Preferred Stock has no expiration date.

F3 · ownership.nature: The shares of Common Stock reported in Line 1 of Table I and the shares of Series A Convertible Preferred Stock reported in Table II are held directly by Glencore AG, a direct wholly-owned subsidiary of Glencore International AG, and may be deemed to be indirectly beneficially owned by Glencore International AG. The Common Stock reported on Line 2 of Table I is held directly by Glencore International AG. Glencore International AG is wholly owned by Glencore plc, which may be deemed an indirect beneficial owner of the securities held by Glencore AG and Glencore International AG.

SEC source: 0001104659-24-105269 · tm2425424-1_4seq1.xml · nonDerivative · entry 1

GLENCORE INTERNATIONAL AG · CIK 0001032383 · 10% owner

Glencore AG · CIK 0001449539 · 10% owner

Glencore plc · CIK 0001521365 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 12,324,276

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Represents shares of Common Stock acquired upon conversion of 131.92 shares of Series A Convertible Preferred Stock on September 30, 2024.

F2 · price: Each share of Series A Convertible Preferred Stock is convertible into 100 shares of Common Stock at the times and under the circumstances described in the Certificate of Designation for the Series A Convertible Preferred Stock. The Series A Convertible Preferred Stock has no expiration date.

F3 · ownership.nature: The shares of Common Stock reported in Line 1 of Table I and the shares of Series A Convertible Preferred Stock reported in Table II are held directly by Glencore AG, a direct wholly-owned subsidiary of Glencore International AG, and may be deemed to be indirectly beneficially owned by Glencore International AG. The Common Stock reported on Line 2 of Table I is held directly by Glencore International AG. Glencore International AG is wholly owned by Glencore plc, which may be deemed an indirect beneficial owner of the securities held by Glencore AG and Glencore International AG.

SEC source: 0000949157-24-000065 · wk-form4_1721077657.xml · nonDerivative · entry 2

Gary Jesse E · CIK 0001568817 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 79,996

F1 · shares: Represents shares transferred by the Reporting Person to a self-settled, revocable trust for estate planning purposes for which the Reporting Person serves as trustee.

F3 · balance_after: Shares held in a self-settled, revocable trust for which the Reporting Person serves as trustee.

SEC source: 0000949157-24-000065 · wk-form4_1721077657.xml · nonDerivative · entry 1

Gary Jesse E · CIK 0001568817 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 324,657

F1 · shares: Represents shares transferred by the Reporting Person to a self-settled, revocable trust for estate planning purposes for which the Reporting Person serves as trustee.

F2 · balance_after: Includes unvested TVSUs granted to the Reporting Person under the Issuer's Long-Term Incentive Plans.

SEC source: 0000949157-24-000063 · wk-form4_1720029469.xml · nonDerivative · entry 1

Gary Jesse E · CIK 0001568817 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 342,206

F1 · shares: Shares withheld by the Issuer to satisfy tax obligations in connection with the vesting of Time Vested Stock Units (TVSUs) previously granted to the Reporting Person on July 1, 2021.

F2 · balance_after: Includes TVSUs granted to the Reporting Person under the Issuer's Long-Term Incentive Plans.

SEC source: 0001104659-24-077161 · tm2418649-1_4seq1.xml · derivative · entry 3

GLENCORE INTERNATIONAL AG · CIK 0001032383 · 10% owner

Glencore AG · CIK 0001449539 · 10% owner

Glencore plc · CIK 0001521365 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 51,948.63

Underlying: Common Stock · 29,014 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each share of Series A Convertible Preferred Stock is convertible into 100 shares of Common Stock at the times and under the circumstances described in the Certificate of Designation for the Series A Convertible Preferred Stock. The Series A Convertible Preferred Stock has no expiration date.

F2 · price: Each share of Series A Convertible Preferred Stock is convertible into 100 shares of Common Stock at the times and under the circumstances described in the Certificate of Designation for the Series A Convertible Preferred Stock. The Series A Convertible Preferred Stock has no expiration date.

F2 · derivative.exercise_date: Each share of Series A Convertible Preferred Stock is convertible into 100 shares of Common Stock at the times and under the circumstances described in the Certificate of Designation for the Series A Convertible Preferred Stock. The Series A Convertible Preferred Stock has no expiration date.

F2 · derivative.expiration_date: Each share of Series A Convertible Preferred Stock is convertible into 100 shares of Common Stock at the times and under the circumstances described in the Certificate of Designation for the Series A Convertible Preferred Stock. The Series A Convertible Preferred Stock has no expiration date.

F3 · ownership.nature: The shares of Common Stock reported in Line 1 of Table I and the shares of Series A Convertible Preferred Stock reported in Table II are held directly by Glencore AG, a direct wholly-owned subsidiary of Glencore International AG, and may be deemed to be indirectly beneficially owned by Glencore International AG. The Common Stock reported on Line 2 of Table I is held directly by Glencore International AG. Glencore International AG is wholly owned by Glencore plc, which may be deemed an indirect beneficial owner of the securities held by Glencore AG and Glencore International AG.

SEC source: 0001104659-24-077161 · tm2418649-1_4seq1.xml · nonDerivative · entry 1

GLENCORE INTERNATIONAL AG · CIK 0001032383 · 10% owner

Glencore AG · CIK 0001449539 · 10% owner

Glencore plc · CIK 0001521365 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 12,311,084

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Represents shares of Common Stock acquired upon conversion of 290.14 shares of Series A Convertible Preferred Stock on June 30, 2024.

F2 · price: Each share of Series A Convertible Preferred Stock is convertible into 100 shares of Common Stock at the times and under the circumstances described in the Certificate of Designation for the Series A Convertible Preferred Stock. The Series A Convertible Preferred Stock has no expiration date.

F3 · ownership.nature: The shares of Common Stock reported in Line 1 of Table I and the shares of Series A Convertible Preferred Stock reported in Table II are held directly by Glencore AG, a direct wholly-owned subsidiary of Glencore International AG, and may be deemed to be indirectly beneficially owned by Glencore International AG. The Common Stock reported on Line 2 of Table I is held directly by Glencore International AG. Glencore International AG is wholly owned by Glencore plc, which may be deemed an indirect beneficial owner of the securities held by Glencore AG and Glencore International AG.

SEC source: 0000949157-24-000061 · wk-form4_1719606395.xml · nonDerivative · entry 1

Gary Jesse E · CIK 0001568817 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 62,447

F1 · price: The price reported above reflects the weighted average sale price for the shares which were sold in multiple transactions at prices ranging from $15.81 to $16.44, inclusive. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the specific number of shares and prices at which the transactions were effected.

F2 · balance_after: Shares held in a self-settled, revocable trust for which the Reporting Person serves as trustee.

SEC source: 0000949157-24-000055 · wk-form4_1717627492.xml · nonDerivative · entry 1

Bush Jennifer Mary · CIK 0001897517 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,094

F1 · shares: Represents annual grant of time-vesting share units ("TVSUs"), all of which vest in full on the earlier of (i) the 12-month anniversary of the grant date, (ii) the date of the Issuer's next regular annual meeting of stockholders, or (iii) the occurrence of certain other events in accordance with the terms of the award. Settlement of the TVSUs has been deferred until the termination of the Reporting Person's service as a director of the Company.

F2 · balance_after: Includes shares of common stock issuable pursuant to vested TVSUs, the settlement of which have been deferred pursuant to an annual deferral election previously made by the Reporting Person.

SEC source: 0000949157-24-000057 · wk-form4_1717627809.xml · nonDerivative · entry 1

Olivier Tamla A · CIK 0001980269 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,895

F1 · shares: Represents annual grant of time-vesting share units ("TVSUs"), all of which vest in full on the earlier of (i) the 12-month anniversary of the grant date, (ii) the date of the Issuer's next regular annual meeting of stockholders, or (iii) the occurrence of certain other events in accordance with the terms of the award.

SEC source: 0000949157-24-000056 · wk-form4_1717627622.xml · nonDerivative · entry 1

Berntzen Jarl · CIK 0001355035 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 201,173

F1 · shares: Represents annual grant of time-vesting share units ("TVSUs"), all of which vest in full on the earlier of (i) the 12-month anniversary of the grant date, (ii) the date of the Issuer's next regular annual meeting of stockholders, or (iii) the occurrence of certain other events in accordance with the terms of the award.

F2 · balance_after: Includes shares of common stock issuable pursuant to vested TVSUs, the settlement of which have been deferred pursuant to an annual deferral election previously made by the Reporting Person.

SEC source: 0000949157-24-000053 · wk-form4_1717627317.xml · nonDerivative · entry 2

Michelmore Andrew G · CIK 0001493775 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 83,644

F2 · shares: Represents shares withheld by the Issuer upon vesting of the TVSUs to satisfy tax obligations.

SEC source: 0000949157-24-000053 · wk-form4_1717627317.xml · nonDerivative · entry 1

Michelmore Andrew G · CIK 0001493775 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 85,765

F1 · shares: Represents annual grant of time-vesting share units ("TVSUs"), all of which vested on the date of grant.

SEC source: 0000949157-24-000054 · wk-form4_1717627389.xml · nonDerivative · entry 1

GLASSER ERROL · CIK 0001203889 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 110,919

F1 · shares: Represents annual grant of time-vesting share units ("TVSUs"), all of which vested on the date of grant.

F2 · balance_after: Includes shares of common stock issuable pursuant to vested TVSUs, the settlement of which have been deferred pursuant to an annual deferral election previously made by the Reporting Person.

SEC source: 0001104659-24-042414 · tm2410597-1_4seq1.xml · derivative · entry 3

GLENCORE INTERNATIONAL AG · CIK 0001032383 · 10% owner

Glencore AG · CIK 0001449539 · 10% owner

Glencore plc · CIK 0001521365 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 52,238.77

Underlying: Common Stock · 4,562 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each share of Series A Convertible Preferred Stock is convertible into 100 shares of Common Stock at the times and under the circumstances described in the Certificate of Designation for the Series A Convertible Preferred Stock. The Series A Convertible Preferred Stock has no expiration date.

F2 · price: Each share of Series A Convertible Preferred Stock is convertible into 100 shares of Common Stock at the times and under the circumstances described in the Certificate of Designation for the Series A Convertible Preferred Stock. The Series A Convertible Preferred Stock has no expiration date.

F2 · derivative.exercise_date: Each share of Series A Convertible Preferred Stock is convertible into 100 shares of Common Stock at the times and under the circumstances described in the Certificate of Designation for the Series A Convertible Preferred Stock. The Series A Convertible Preferred Stock has no expiration date.

F2 · derivative.expiration_date: Each share of Series A Convertible Preferred Stock is convertible into 100 shares of Common Stock at the times and under the circumstances described in the Certificate of Designation for the Series A Convertible Preferred Stock. The Series A Convertible Preferred Stock has no expiration date.

F3 · ownership.nature: The shares of Common Stock reported in Line 1 of Table I and the shares of Series A Convertible Preferred Stock reported in Table II are held directly by Glencore AG, a direct wholly-owned subsidiary of Glencore International AG, and may be deemed to be indirectly beneficially owned by Glencore International AG. The Common Stock reported on Line 2 of Table I is held directly by Glencore International AG. Glencore International AG is wholly owned by Glencore plc, which may be deemed an indirect beneficial owner of the securities held by Glencore AG and Glencore International AG.

SEC source: 0001104659-24-042414 · tm2410597-1_4seq1.xml · nonDerivative · entry 1

GLENCORE INTERNATIONAL AG · CIK 0001032383 · 10% owner

Glencore AG · CIK 0001449539 · 10% owner

Glencore plc · CIK 0001521365 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 12,282,070

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Represents shares of Common Stock acquired upon conversion of 45.62 shares of Series A Convertible Preferred Stock on March 31, 2024.

F2 · price: Each share of Series A Convertible Preferred Stock is convertible into 100 shares of Common Stock at the times and under the circumstances described in the Certificate of Designation for the Series A Convertible Preferred Stock. The Series A Convertible Preferred Stock has no expiration date.

F3 · ownership.nature: The shares of Common Stock reported in Line 1 of Table I and the shares of Series A Convertible Preferred Stock reported in Table II are held directly by Glencore AG, a direct wholly-owned subsidiary of Glencore International AG, and may be deemed to be indirectly beneficially owned by Glencore International AG. The Common Stock reported on Line 2 of Table I is held directly by Glencore International AG. Glencore International AG is wholly owned by Glencore plc, which may be deemed an indirect beneficial owner of the securities held by Glencore AG and Glencore International AG.

SEC source: 0000949157-24-000022 · wk-form4_1709761540.xml · nonDerivative · entry 1

Aboud Matt · CIK 0001863408 · SVP, Strategy & Business Dev't

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 59,248

F1 · balance_after: Includes unvested TVSUs granted to the Reporting Person under the Issuer's Long-Term Incentive Plans.

SEC source: 0000949157-24-000018 · wk-form4_1707860030.xml · nonDerivative · entry 1

Trpkovski Peter A · CIK 0001980271 · SVP, Finance and Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 49,619

F1 · shares: Shares withheld by the Issuer to satisfy tax obligations in connection with the vesting of TVSUs previously granted to the Reporting Person on February 9, 2023.

F2 · balance_after: Includes unvested TVSUs granted to the Reporting Person under the Issuer's Long-Term Incentive Plans.

SEC source: 0000949157-24-000016 · wk-form4_1706221707.xml · nonDerivative · entry 2

Gary Jesse E · CIK 0001568817 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 122,447

F1 · shares: Represents shares transferred by the Reporting Person to a self-settled, revocable trust for estate planning purposes for which the Reporting Person serves as trustee.

F3 · balance_after: Shares held in a self-settled, revocable trust for which the Reporting Person serves as trustee.

SEC source: 0000949157-24-000016 · wk-form4_1706221707.xml · nonDerivative · entry 1

Gary Jesse E · CIK 0001568817 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 356,164

F1 · shares: Represents shares transferred by the Reporting Person to a self-settled, revocable trust for estate planning purposes for which the Reporting Person serves as trustee.

F2 · balance_after: Includes unvested TVSUs granted to the Reporting Person under the Issuer's Long-Term Incentive Plans.

SEC source: 0000949157-24-000002 · wk-form4_1704232539.xml · nonDerivative · entry 3

Trpkovski Peter A · CIK 0001980271 · SVP, Finance and Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 52,830

F2 · shares: Represents TVSUs granted to the Reporting Person in connection with the Issuer's 2024-2026 Long-Term Incentive Plan under Rule 16b-3(d), all of which will vest on December 31, 2026, subject to the Plan's terms and conditions.

F3 · balance_after: Includes unvested TVSUs granted to the Reporting Person under the Issuer's Long-Term Incentive Plans.

SEC source: 0000949157-24-000014 · wk-form4_1704321151.xml · nonDerivative · entry 4

Gary Jesse E · CIK 0001568817 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 402,168

F4 · shares: Represents TVSUs granted to the Reporting Person in connection with the Issuer's 2024-2026 Long-Term Incentive Plan under Rule 16b-3(d), all of which will vest on December 31, 2026, subject to the Plan's terms and conditions.

F5 · balance_after: Includes unvested TVSUs granted to the Reporting Person under the Issuer's Long-Term Incentive Plans.

SEC source: 0000949157-24-000012 · wk-form4_1704320444.xml · nonDerivative · entry 4

DeZee John · CIK 0001863198 · EVP, GC and Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 101,883

F4 · shares: Represents TVSUs granted to the Reporting Person in connection with the Issuer's 2024-2026 Long-Term Incentive Plan under Rule 16b-3(d), all of which will vest on December 31, 2026, subject to the Plan's terms and conditions.

F5 · balance_after: Includes unvested TVSUs granted to the Reporting Person under the Issuer's Long-Term Incentive Plans.

SEC source: 0000949157-24-000010 · wk-form4_1704319955.xml · nonDerivative · entry 4

Gudlaugsson Gunnar · CIK 0001846594 · EVP - Global Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 127,932

F4 · shares: Represents TVSUs granted to the Reporting Person in connection with the Issuer's 2024-2026 Long-Term Incentive Plan under Rule 16b-3(d), all of which will vest on December 31, 2026, subject to the Plan's terms and conditions.

F5 · balance_after: Includes unvested TVSUs granted to the Reporting Person under the Issuer's Long-Term Incentive Plans.

SEC source: 0000949157-24-000008 · wk-form4_1704319490.xml · nonDerivative · entry 4

Hoffman Robert F · CIK 0001603836 · VP, IT and CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 51,856

F4 · shares: Represents TVSUs granted to the Reporting Person in connection with the Issuer's 2024-2026 Long-Term Incentive Plan under Rule 16b-3(d), all of which will vest on December 31, 2026, subject to the Plan's terms and conditions.

F5 · balance_after: Includes unvested TVSUs granted to the Reporting Person under the Issuer's Long-Term Incentive Plans.

SEC source: 0000949157-24-000006 · wk-form4_1704319123.xml · nonDerivative · entry 1

Bialek Gerald C · CIK 0001820256 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 83,086

F1 · shares: Represents TVSUs granted to the Reporting Person in connection with the Issuer's 2024-2026 Long-Term Incentive Plan under Rule 16b-3(d), all of which will vest on December 31, 2026, subject to the Plan's terms and conditions.

F2 · balance_after: Includes unvested TVSUs granted to the Reporting Person under the Issuer's Long-Term Incentive Plans.

SEC source: 0000949157-24-000004 · wk-form4_1704318648.xml · nonDerivative · entry 4

Aboud Matt · CIK 0001863408 · SVP, Strategy & Business Dev't

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 63,014

F4 · shares: Represents TVSUs granted to the Reporting Person in connection with the Issuer's 2024-2026 Long-Term Incentive Plan under Rule 16b-3(d), all of which will vest on December 31, 2026, subject to the Plan's terms and conditions.

F5 · balance_after: Includes unvested TVSUs granted to the Reporting Person under the Issuer's Long-Term Incentive Plans.

SEC source: 0000949157-24-000002 · wk-form4_1704232539.xml · nonDerivative · entry 2

Trpkovski Peter A · CIK 0001980271 · SVP, Finance and Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,989

F1 · shares: Shares withheld by the Issuer to satisfy tax obligations in connection with the vesting of TVSUs previously granted to the Reporting Person on March 26, 2021.

SEC source: 0000949157-24-000014 · wk-form4_1704321151.xml · nonDerivative · entry 3

Gary Jesse E · CIK 0001568817 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 266,422

F3 · shares: Shares withheld by the Issuer to satisfy tax obligations in connection with the vesting of TVSUs previously granted to the Reporting Person on January 2, 2021 in the amount of 42,110 shares and on July 1, 2021 in the amount of 13,740 shares.

SEC source: 0000949157-24-000014 · wk-form4_1704321151.xml · nonDerivative · entry 2

Gary Jesse E · CIK 0001568817 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 291,164

F2 · shares: Shares withheld by the Issuer to satisfy tax obligations in connection with the vesting of PSUs granted to the Reporting Person.

SEC source: 0000949157-24-000014 · wk-form4_1704321151.xml · nonDerivative · entry 1

Gary Jesse E · CIK 0001568817 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 303,013

F1 · shares: Represents shares of common stock acquired by the Reporting Person upon the vesting of PSUs granted in connection with the Issuer's 2021-2023 Long-Term Incentive Plan under Rule 16b-3(d).

SEC source: 0000949157-24-000012 · wk-form4_1704320444.xml · nonDerivative · entry 3

DeZee John · CIK 0001863198 · EVP, GC and Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 78,176

F3 · shares: Shares withheld by the Issuer to satisfy tax obligations in connection with the vesting of TVSUs previously granted to the Reporting Person on June 14, 2021 in the amount of 3,598 shares and on January 2, 2021 in the amount of 6,046 shares.

SEC source: 0000949157-24-000012 · wk-form4_1704320444.xml · nonDerivative · entry 2

DeZee John · CIK 0001863198 · EVP, GC and Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 81,002

F2 · shares: Shares withheld by the Issuer to satisfy tax obligations in connection with the vesting of PSUs granted to the Reporting Person.

SEC source: 0000949157-24-000012 · wk-form4_1704320444.xml · nonDerivative · entry 1

DeZee John · CIK 0001863198 · EVP, GC and Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 82,208

F1 · shares: Represents shares of common stock acquired by the Reporting Person upon the vesting of PSUs granted in connection with the Issuer's 2021-2023 Long-Term Incentive Plan under Rule 16b-3(d).

SEC source: 0000949157-24-000010 · wk-form4_1704319955.xml · nonDerivative · entry 3

Gudlaugsson Gunnar · CIK 0001846594 · EVP - Global Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 80,568

F3 · shares: Shares withheld by the Issuer to satisfy tax obligations in connection with the vesting of TVSUs previously granted to the Reporting Person on January 2, 2021 in the amount of 5,380 shares and on February 16, 2021 in the amount of 8,029 shares.