FEAM

SEC source: 0002021913-26-000008 · primarydocument.xml · nonDerivative · entry 2

Dick Barry · CIK 0002021913 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,030

SEC source: 0002021913-26-000008 · primarydocument.xml · nonDerivative · entry 1

Dick Barry · CIK 0002021913 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,578

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: Each restricted stock unit ("RSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

SEC source: 0001381188-26-000006 · primarydocument.xml · derivative · entry 4

Siegler Jonathan A · CIK 0001381188 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 6,516 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.

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

F2 · derivative.exercise_date: RSUs granted on June 30, 2026 pursuant to the Issuer's Amended and Restated 2022 Equity Compensation Plan. The RSUs vested on July 1, 2026.

F2 · derivative.expiration_date: RSUs granted on June 30, 2026 pursuant to the Issuer's Amended and Restated 2022 Equity Compensation Plan. The RSUs vested on July 1, 2026.

SEC source: 0001381188-26-000006 · primarydocument.xml · nonDerivative · entry 2

Siegler Jonathan A · CIK 0001381188 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,105

SEC source: 0001381188-26-000006 · primarydocument.xml · nonDerivative · entry 1

Siegler Jonathan A · CIK 0001381188 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,516

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: Each restricted stock unit ("RSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

SEC source: 0001829340-26-000007 · primarydocument.xml · derivative · entry 13

vant Hoff Graham · CIK 0001829340 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 18,764 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.

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

F2 · derivative.exercise_date: RSUs granted on June 30, 2026 pursuant to the Issuer's Amended and Restated 2022 Equity Compensation Plan. The RSUs vested on July 1, 2026.

F2 · derivative.expiration_date: RSUs granted on June 30, 2026 pursuant to the Issuer's Amended and Restated 2022 Equity Compensation Plan. The RSUs vested on July 1, 2026.

SEC source: 0001829340-26-000007 · primarydocument.xml · derivative · entry 12

vant Hoff Graham · CIK 0001829340 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 13,138 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.

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

F5 · derivative.exercise_date: RSUs granted on March 31, 2026 pursuant to the Issuer's Amended and Restated 2022 Equity Compensation Plan. The RSUs vested on July 1, 2026.

F5 · derivative.expiration_date: RSUs granted on March 31, 2026 pursuant to the Issuer's Amended and Restated 2022 Equity Compensation Plan. The RSUs vested on July 1, 2026.

SEC source: 0001829340-26-000007 · primarydocument.xml · derivative · entry 11

vant Hoff Graham · CIK 0001829340 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 7,108 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.

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

F4 · derivative.exercise_date: RSUs granted on December 31, 2025 pursuant to the Issuer's Amended and Restated 2022 Equity Compensation Plan. The RSUs vested on July 1, 2026.

F4 · derivative.expiration_date: RSUs granted on December 31, 2025 pursuant to the Issuer's Amended and Restated 2022 Equity Compensation Plan. The RSUs vested on July 1, 2026.

SEC source: 0001829340-26-000007 · primarydocument.xml · derivative · entry 10

vant Hoff Graham · CIK 0001829340 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 8,196 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.

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

F3 · derivative.exercise_date: RSUs granted on September 30, 2025 pursuant to the Issuer's Amended and Restated 2022 Equity Compensation Plan. The RSUs vested on July 1, 2026.

F3 · derivative.expiration_date: RSUs granted on September 30, 2025 pursuant to the Issuer's Amended and Restated 2022 Equity Compensation Plan. The RSUs vested on July 1, 2026.

SEC source: 0001829340-26-000007 · primarydocument.xml · nonDerivative · entry 8

vant Hoff Graham · CIK 0001829340 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,997

SEC source: 0001829340-26-000007 · primarydocument.xml · nonDerivative · entry 7

vant Hoff Graham · CIK 0001829340 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 49,940

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: Each restricted stock unit ("RSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

SEC source: 0001829340-26-000007 · primarydocument.xml · nonDerivative · entry 6

vant Hoff Graham · CIK 0001829340 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,176

SEC source: 0001829340-26-000007 · primarydocument.xml · nonDerivative · entry 5

vant Hoff Graham · CIK 0001829340 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,038

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: Each restricted stock unit ("RSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

SEC source: 0001829340-26-000007 · primarydocument.xml · nonDerivative · entry 4

vant Hoff Graham · CIK 0001829340 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,900

SEC source: 0001829340-26-000007 · primarydocument.xml · nonDerivative · entry 3

vant Hoff Graham · CIK 0001829340 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,530

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: Each restricted stock unit ("RSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

SEC source: 0001829340-26-000007 · primarydocument.xml · nonDerivative · entry 2

vant Hoff Graham · CIK 0001829340 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,422

SEC source: 0001829340-26-000007 · primarydocument.xml · nonDerivative · entry 1

vant Hoff Graham · CIK 0001829340 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,455

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: Each restricted stock unit ("RSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

SEC source: 0001168534-26-000007 · primarydocument.xml · derivative · entry 9

HEBERT CURTIS L JR · CIK 0001168534 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,510

Underlying: Common Stock · 13,510 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

F2 · derivative.exercise_date: RSUs granted on June 30, 2026 pursuant to the Issuer's Amended and Restated 2022 Equity Compensation Plan. The RSUs vested on July 1, 2026.

F2 · derivative.expiration_date: RSUs granted on June 30, 2026 pursuant to the Issuer's Amended and Restated 2022 Equity Compensation Plan. The RSUs vested on July 1, 2026.

SEC source: 0002026033-26-000007 · primarydocument.xml · derivative · entry 9

Jones Bryn Llywelyn · CIK 0002026033 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,510

Underlying: Common Stock · 13,510 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

F2 · derivative.exercise_date: RSUs granted on June 30, 2026 pursuant to the Issuer's Amended and Restated 2022 Equity Compensation Plan. The RSUs vested on July 1, 2026.

F2 · derivative.expiration_date: RSUs granted on June 30, 2026 pursuant to the Issuer's Amended and Restated 2022 Equity Compensation Plan. The RSUs vested on July 1, 2026.

SEC source: 0002021913-26-000008 · primarydocument.xml · derivative · entry 9

Dick Barry · CIK 0002021913 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,762

Underlying: Common Stock · 15,762 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

F2 · derivative.exercise_date: RSUs granted on June 30, 2026 pursuant to the Issuer's Amended and Restated 2022 Equity Compensation Plan. The RSUs vested on July 1, 2026.

F2 · derivative.expiration_date: RSUs granted on June 30, 2026 pursuant to the Issuer's Amended and Restated 2022 Equity Compensation Plan. The RSUs vested on July 1, 2026.

SEC source: 0001381188-26-000006 · primarydocument.xml · derivative · entry 3

Siegler Jonathan A · CIK 0001381188 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,516

Underlying: Common Stock · 6,516 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

F2 · derivative.exercise_date: RSUs granted on June 30, 2026 pursuant to the Issuer's Amended and Restated 2022 Equity Compensation Plan. The RSUs vested on July 1, 2026.

F2 · derivative.expiration_date: RSUs granted on June 30, 2026 pursuant to the Issuer's Amended and Restated 2022 Equity Compensation Plan. The RSUs vested on July 1, 2026.

SEC source: 0001829340-26-000007 · primarydocument.xml · derivative · entry 9

vant Hoff Graham · CIK 0001829340 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,764

Underlying: Common Stock · 18,764 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

F2 · derivative.exercise_date: RSUs granted on June 30, 2026 pursuant to the Issuer's Amended and Restated 2022 Equity Compensation Plan. The RSUs vested on July 1, 2026.

F2 · derivative.expiration_date: RSUs granted on June 30, 2026 pursuant to the Issuer's Amended and Restated 2022 Equity Compensation Plan. The RSUs vested on July 1, 2026.

SEC source: 0001168534-26-000004 · primarydocument.xml · derivative · entry 1

HEBERT CURTIS L JR · CIK 0001168534 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,459

Underlying: Common Stock · 9,459 shares

Expires not disclosed

F1 · security: Each restricted share unit ("RSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

F1 · derivative.exercise_price: Each restricted share unit ("RSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

F2 · derivative.exercise_date: RSUs granted on March 31, 2026 pursuant to the Issuer's Amended and Restated 2022 Equity Compensation Plan. The RSUs vest on July 1, 2026, subject to the Reporting Person's continuing service on the Issuer's Board through the applicable vesting date. The RSUs have no expiration date.

F2 · derivative.expiration_date: RSUs granted on March 31, 2026 pursuant to the Issuer's Amended and Restated 2022 Equity Compensation Plan. The RSUs vest on July 1, 2026, subject to the Reporting Person's continuing service on the Issuer's Board through the applicable vesting date. The RSUs have no expiration date.

SEC source: 0002026033-26-000004 · primarydocument.xml · derivative · entry 1

Jones Bryn Llywelyn · CIK 0002026033 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,459

Underlying: Common Stock · 9,459 shares

Expires not disclosed

F1 · security: Each restricted share unit ("RSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

F1 · derivative.exercise_price: Each restricted share unit ("RSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

F2 · derivative.exercise_date: RSUs granted on March 31, 2026 pursuant to the Issuer's Amended and Restated 2022 Equity Compensation Plan. The RSUs vest on July 1, 2026, subject to the Reporting Person's continuing service on the Issuer's Board through the applicable vesting date. The RSUs have no expiration date.

F2 · derivative.expiration_date: RSUs granted on March 31, 2026 pursuant to the Issuer's Amended and Restated 2022 Equity Compensation Plan. The RSUs vest on July 1, 2026, subject to the Reporting Person's continuing service on the Issuer's Board through the applicable vesting date. The RSUs have no expiration date.

SEC source: 0002021913-26-000004 · primarydocument.xml · derivative · entry 1

Dick Barry · CIK 0002021913 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,036

Underlying: Common Stock · 11,036 shares

Expires not disclosed

F1 · security: Each restricted share unit ("RSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

F1 · derivative.exercise_price: Each restricted share unit ("RSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

F2 · derivative.exercise_date: RSUs granted on March 31, 2026 pursuant to the Issuer's Amended and Restated 2022 Equity Compensation Plan. The RSUs vest on July 1, 2026, subject to the Reporting Person's continuing service on the Issuer's Board through the applicable vesting date. The RSUs have no expiration date.

F2 · derivative.expiration_date: RSUs granted on March 31, 2026 pursuant to the Issuer's Amended and Restated 2022 Equity Compensation Plan. The RSUs vest on July 1, 2026, subject to the Reporting Person's continuing service on the Issuer's Board through the applicable vesting date. The RSUs have no expiration date.

SEC source: 0001829340-26-000004 · primarydocument.xml · derivative · entry 1

vant Hoff Graham · CIK 0001829340 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,138

Underlying: Common Stock · 13,138 shares

Expires not disclosed

F1 · security: Each restricted share unit ("RSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

F1 · derivative.exercise_price: Each restricted share unit ("RSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

F2 · derivative.exercise_date: RSUs granted on March 31, 2026 pursuant to the Issuer's Amended and Restated 2022 Equity Compensation Plan. The RSUs vest on July 1, 2026, subject to the Reporting Person's continuing service on the Issuer's Board through the applicable vesting date. The RSUs have no expiration date.

F2 · derivative.expiration_date: RSUs granted on March 31, 2026 pursuant to the Issuer's Amended and Restated 2022 Equity Compensation Plan. The RSUs vest on July 1, 2026, subject to the Reporting Person's continuing service on the Issuer's Board through the applicable vesting date. The RSUs have no expiration date.

SEC source: 0002025901-26-000004 · primarydocument.xml · derivative · entry 2

Malm Joshua · CIK 0002025901 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,176

Underlying: Common Stock · 19,176 shares

Expires not disclosed

F1 · security: Each restricted share unit ("RSU") and performance share unit ("PSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

F1 · derivative.exercise_price: Each restricted share unit ("RSU") and performance share unit ("PSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

F3 · derivative.exercise_date: Represents approximately 50% of a total award of PSUs, which portion of the award vests on September 15, 2028, subject to the Issuer's common stock achieving a specified price per share.

F3 · derivative.expiration_date: Represents approximately 50% of a total award of PSUs, which portion of the award vests on September 15, 2028, subject to the Issuer's common stock achieving a specified price per share.

SEC source: 0002025901-26-000004 · primarydocument.xml · derivative · entry 1

Malm Joshua · CIK 0002025901 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,784

Underlying: Common Stock · 12,784 shares

Expires not disclosed

F1 · security: Each restricted share unit ("RSU") and performance share unit ("PSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

F1 · derivative.exercise_price: Each restricted share unit ("RSU") and performance share unit ("PSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

F2 · derivative.exercise_date: RSUs granted March 1, 2026 pursuant to the Issuer's Amended and Restated 2022 Equity Compensation Plan. The RSUs vest in three equal installments on September 15, 2026, September 15, 2027 and September 15, 2028.

F2 · derivative.expiration_date: RSUs granted March 1, 2026 pursuant to the Issuer's Amended and Restated 2022 Equity Compensation Plan. The RSUs vest in three equal installments on September 15, 2026, September 15, 2027 and September 15, 2028.

SEC source: 0001911537-26-000004 · primarydocument.xml · derivative · entry 2

Weibel Paul Wesley III · CIK 0001911537 · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 46,022

Underlying: Common Stock · 46,022 shares

Expires not disclosed

F1 · security: Each restricted share unit ("RSU") and performance share unit ("PSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

F1 · derivative.exercise_price: Each restricted share unit ("RSU") and performance share unit ("PSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

F3 · derivative.exercise_date: Represents approximately 50% of a total award of PSUs, which portion of the award vests on September 15, 2028, subject to the Issuer's common stock achieving a specified price per share.

F3 · derivative.expiration_date: Represents approximately 50% of a total award of PSUs, which portion of the award vests on September 15, 2028, subject to the Issuer's common stock achieving a specified price per share.

SEC source: 0001911537-26-000004 · primarydocument.xml · derivative · entry 1

Weibel Paul Wesley III · CIK 0001911537 · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,227

Underlying: Common Stock · 10,227 shares

Expires not disclosed

F1 · security: Each restricted share unit ("RSU") and performance share unit ("PSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

F1 · derivative.exercise_price: Each restricted share unit ("RSU") and performance share unit ("PSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

F2 · derivative.exercise_date: RSUs granted March 1, 2026 pursuant to the Issuer's Amended and Restated 2022 Equity Compensation Plan. The RSUs vest in three equal installments on September 15, 2026, September 15, 2027 and September 15, 2028.

F2 · derivative.expiration_date: RSUs granted March 1, 2026 pursuant to the Issuer's Amended and Restated 2022 Equity Compensation Plan. The RSUs vest in three equal installments on September 15, 2026, September 15, 2027 and September 15, 2028.

SEC source: 0002025901-26-000002 · primarydocument.xml · nonDerivative · entry 1

Malm Joshua · CIK 0002025901 · CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,175

SEC source: 0001911537-26-000002 · primarydocument.xml · nonDerivative · entry 1

Weibel Paul Wesley III · CIK 0001911537 · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,838

SEC source: 0001493152-26-005108 · ownership.xml · nonDerivative · entry 1

BEP Special Situations IV LLC · CIK 0001942792 · Director · 10% owner

Bluescape Energy Partners IV GP LLC · CIK 0001942819 · Director · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,130,997

F1 · ownership.direct: Bluescape Energy Partners IV GP LLC ("Bluescape GP") is the general partner of Bluescape Energy Recapitalization and Restructuring Fund IV LP, which wholly owns BEP Special Situations IV LLC ("Bluescape", together with Bluescape GP, the "Reporting Persons"). As such, Bluescape GP may be deemed to have beneficial ownership of the securities held by Bluescape. Each Reporting Person disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0001168534-26-000002 · primarydocument.xml · derivative · entry 1

HEBERT CURTIS L JR · CIK 0001168534 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,118

Underlying: Common Stock · 5,118 shares

Expires not disclosed

F1 · security: Each restricted share unit ("RSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

F1 · derivative.exercise_price: Each restricted share unit ("RSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

F2 · derivative.exercise_date: RSUs granted on December 31, 2025 pursuant to the Issuer's Amended and Restated 2022 Equity Compensation Plan. The RSUs vest on July 1, 2026, subject to the Reporting Person's continuing service on the Issuer's Board through the applicable vesting date. The RSUs have no expiration date.

F2 · derivative.expiration_date: RSUs granted on December 31, 2025 pursuant to the Issuer's Amended and Restated 2022 Equity Compensation Plan. The RSUs vest on July 1, 2026, subject to the Reporting Person's continuing service on the Issuer's Board through the applicable vesting date. The RSUs have no expiration date.

SEC source: 0002026033-26-000002 · primarydocument.xml · derivative · entry 1

Jones Bryn Llywelyn · CIK 0002026033 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,118

Underlying: Common Stock · 5,118 shares

Expires not disclosed

F1 · security: Each restricted share unit ("RSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

F1 · derivative.exercise_price: Each restricted share unit ("RSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

F2 · derivative.exercise_date: RSUs granted on December 31, 2025 pursuant to the Issuer's Amended and Restated 2022 Equity Compensation Plan. The RSUs vest on July 1, 2026, subject to the Reporting Person's continuing service on the Issuer's Board through the applicable vesting date. The RSUs have no expiration date.

F2 · derivative.expiration_date: RSUs granted on December 31, 2025 pursuant to the Issuer's Amended and Restated 2022 Equity Compensation Plan. The RSUs vest on July 1, 2026, subject to the Reporting Person's continuing service on the Issuer's Board through the applicable vesting date. The RSUs have no expiration date.

SEC source: 0002021913-26-000002 · primarydocument.xml · derivative · entry 1

Dick Barry · CIK 0002021913 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,970

Underlying: Common Stock · 5,970 shares

Expires not disclosed

F1 · security: Each restricted share unit ("RSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

F1 · derivative.exercise_price: Each restricted share unit ("RSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

F2 · derivative.exercise_date: RSUs granted on December 31, 2025 pursuant to the Issuer's Amended and Restated 2022 Equity Compensation Plan. The RSUs vest on July 1, 2026, subject to the Reporting Person's continuing service on the Issuer's Board through the applicable vesting date. The RSUs have no expiration date.

F2 · derivative.expiration_date: RSUs granted on December 31, 2025 pursuant to the Issuer's Amended and Restated 2022 Equity Compensation Plan. The RSUs vest on July 1, 2026, subject to the Reporting Person's continuing service on the Issuer's Board through the applicable vesting date. The RSUs have no expiration date.

SEC source: 0001829340-26-000002 · primarydocument.xml · derivative · entry 1

vant Hoff Graham · CIK 0001829340 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,108

Underlying: Common Stock · 7,108 shares

Expires not disclosed

F1 · security: Each restricted share unit ("RSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

F1 · derivative.exercise_price: Each restricted share unit ("RSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

F2 · derivative.exercise_date: RSUs granted on December 31, 2025 pursuant to the Issuer's Amended and Restated 2022 Equity Compensation Plan. The RSUs vest on July 1, 2026, subject to the Reporting Person's continuing service on the Issuer's Board through the applicable vesting date. The RSUs have no expiration date.

F2 · derivative.expiration_date: RSUs granted on December 31, 2025 pursuant to the Issuer's Amended and Restated 2022 Equity Compensation Plan. The RSUs vest on July 1, 2026, subject to the Reporting Person's continuing service on the Issuer's Board through the applicable vesting date. The RSUs have no expiration date.

SEC source: 0001493152-25-026650 · ownership.xml · derivative · entry 3

Ascend Global Investment Fund SPC - Strategic Segregated Portfolio · CIK 0002001144 · Director · 10% owner

Meridian Investments Corp · CIK 0002009685 · 10% owner

Ascend Capital Advisors (S) Pte. Ltd. · CIK 0002009683 · 10% owner

Ascend Financial Holdings Ltd · CIK 0002009892 · 10% owner

Susanto Halim · CIK 0002001327 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

Underlying: Common Stock · 2,816,346 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.

F4 · price: The warrants were acquired pursuant to a Subscription Agreement dated January 14, 2025 among the Issuer, BEP Special Situations IV LLC, Ascend Global and Meridian.

F3 · derivative.exercise_date: The warrants are currently exercisable and will expire on March 13, 2026.

F3 · derivative.expiration_date: The warrants are currently exercisable and will expire on March 13, 2026.

F1 · ownership.nature: Following the transactions reported herein, Ascend Global Investment Fund SPC ("Ascend Global") is the record holder of 4,298,796 shares of Common Stock and Meridian Investments Corporation ("Meridian") is the record holder of 4,065,498 shares of Common Stock.

F2 · ownership.nature: Ascend Global is the sole shareholder of Meridian, and may be deemed to share beneficial ownership of the securities held of record by Meridian. Ascend Financial Holdings Limited ("Ascend Financial") is the sole shareholder of Ascend Capital Advisors (S) Pte. Ltd., which is the sole partner of Ascend Global. As a result, each of the foregoing entities may be deemed to share beneficial ownership of the securities beneficially owned by Ascend Global. By virtue of his control of Ascend Financial, Mr. Susanto may also be deemed to share beneficial ownership of the securities beneficially owned by Ascend Global under Section 13(d) of the Securities Exchange Act of 1934 (as amended) and the rules promulgated by the U.S. Securities and Exchange Commission thereunder. Mr. Susanto disclaims beneficial ownership of the securities beneficially owned by Ascend Global.

SEC source: 0001493152-25-026650 · ownership.xml · nonDerivative · entry 2

Ascend Global Investment Fund SPC - Strategic Segregated Portfolio · CIK 0002001144 · Director · 10% owner

Meridian Investments Corp · CIK 0002009685 · 10% owner

Ascend Capital Advisors (S) Pte. Ltd. · CIK 0002009683 · 10% owner

Ascend Financial Holdings Ltd · CIK 0002009892 · 10% owner

Susanto Halim · CIK 0002001327 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 8,364,294

F1 · ownership.nature: Following the transactions reported herein, Ascend Global Investment Fund SPC ("Ascend Global") is the record holder of 4,298,796 shares of Common Stock and Meridian Investments Corporation ("Meridian") is the record holder of 4,065,498 shares of Common Stock.

F2 · ownership.nature: Ascend Global is the sole shareholder of Meridian, and may be deemed to share beneficial ownership of the securities held of record by Meridian. Ascend Financial Holdings Limited ("Ascend Financial") is the sole shareholder of Ascend Capital Advisors (S) Pte. Ltd., which is the sole partner of Ascend Global. As a result, each of the foregoing entities may be deemed to share beneficial ownership of the securities beneficially owned by Ascend Global. By virtue of his control of Ascend Financial, Mr. Susanto may also be deemed to share beneficial ownership of the securities beneficially owned by Ascend Global under Section 13(d) of the Securities Exchange Act of 1934 (as amended) and the rules promulgated by the U.S. Securities and Exchange Commission thereunder. Mr. Susanto disclaims beneficial ownership of the securities beneficially owned by Ascend Global.

SEC source: 0001493152-25-026650 · ownership.xml · nonDerivative · entry 1

Ascend Global Investment Fund SPC - Strategic Segregated Portfolio · CIK 0002001144 · Director · 10% owner

Meridian Investments Corp · CIK 0002009685 · 10% owner

Ascend Capital Advisors (S) Pte. Ltd. · CIK 0002009683 · 10% owner

Ascend Financial Holdings Ltd · CIK 0002009892 · 10% owner

Susanto Halim · CIK 0002001327 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 10,646,992

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 · ownership.nature: Following the transactions reported herein, Ascend Global Investment Fund SPC ("Ascend Global") is the record holder of 4,298,796 shares of Common Stock and Meridian Investments Corporation ("Meridian") is the record holder of 4,065,498 shares of Common Stock.

F2 · ownership.nature: Ascend Global is the sole shareholder of Meridian, and may be deemed to share beneficial ownership of the securities held of record by Meridian. Ascend Financial Holdings Limited ("Ascend Financial") is the sole shareholder of Ascend Capital Advisors (S) Pte. Ltd., which is the sole partner of Ascend Global. As a result, each of the foregoing entities may be deemed to share beneficial ownership of the securities beneficially owned by Ascend Global. By virtue of his control of Ascend Financial, Mr. Susanto may also be deemed to share beneficial ownership of the securities beneficially owned by Ascend Global under Section 13(d) of the Securities Exchange Act of 1934 (as amended) and the rules promulgated by the U.S. Securities and Exchange Commission thereunder. Mr. Susanto disclaims beneficial ownership of the securities beneficially owned by Ascend Global.

SEC source: 0001493152-25-026658 · ownership.xml · derivative · entry 3

BEP Special Situations IV LLC · CIK 0001942792 · Director · 10% owner

Bluescape Energy Partners IV GP LLC · CIK 0001942819 · Director · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,816,346 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.

F3 · price: The warrants were acquired pursuant to a Subscription Agreement dated January 14, 2025 among the Issuer, Bluescape, Ascend Global Investment Fund SPC and Meridian Investments Corporation.

F2 · derivative.exercise_date: The warrants are currently exercisable and will expire on March 13, 2026.

F2 · derivative.expiration_date: The warrants are currently exercisable and will expire on March 13, 2026.

F1 · ownership.direct: Bluescape Energy Partners IV GP LLC ("Bluescape GP") is the general partner of Bluescape Energy Recapitalization and Restructuring Fund IV LP, which wholly owns BEP Special Situations IV LLC ("Bluescape", together with Bluescape GP, the "Reporting Persons"). As such, Bluescape GP may be deemed to have beneficial ownership of the securities held by Bluescape. Each Reporting Person disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0001493152-25-026658 · ownership.xml · nonDerivative · entry 2

BEP Special Situations IV LLC · CIK 0001942792 · Director · 10% owner

Bluescape Energy Partners IV GP LLC · CIK 0001942819 · Director · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,130,997

F1 · ownership.direct: Bluescape Energy Partners IV GP LLC ("Bluescape GP") is the general partner of Bluescape Energy Recapitalization and Restructuring Fund IV LP, which wholly owns BEP Special Situations IV LLC ("Bluescape", together with Bluescape GP, the "Reporting Persons"). As such, Bluescape GP may be deemed to have beneficial ownership of the securities held by Bluescape. Each Reporting Person disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0001493152-25-026658 · ownership.xml · nonDerivative · entry 1

BEP Special Situations IV LLC · CIK 0001942792 · Director · 10% owner

Bluescape Energy Partners IV GP LLC · CIK 0001942819 · Director · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,413,695

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 · ownership.direct: Bluescape Energy Partners IV GP LLC ("Bluescape GP") is the general partner of Bluescape Energy Recapitalization and Restructuring Fund IV LP, which wholly owns BEP Special Situations IV LLC ("Bluescape", together with Bluescape GP, the "Reporting Persons"). As such, Bluescape GP may be deemed to have beneficial ownership of the securities held by Bluescape. Each Reporting Person disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0001168534-25-000003 · primarydocument.xml · derivative · entry 1

HEBERT CURTIS L JR · CIK 0001168534 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,901

Underlying: Common Stock · 5,901 shares

Expires not disclosed

F1 · security: Each restricted share unit ("RSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

F1 · derivative.exercise_price: Each restricted share unit ("RSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

F2 · derivative.exercise_date: RSUs granted on September 30, 2025 pursuant to the Issuer's Amended and Restated 2022 Equity Compensation Plan. The RSUs vest on July 1, 2026, subject to the Reporting Person's continuing service on the Issuer's Board through the applicable vesting date. The RSUs have no expiration date.

F2 · derivative.expiration_date: RSUs granted on September 30, 2025 pursuant to the Issuer's Amended and Restated 2022 Equity Compensation Plan. The RSUs vest on July 1, 2026, subject to the Reporting Person's continuing service on the Issuer's Board through the applicable vesting date. The RSUs have no expiration date.

SEC source: 0002026033-25-000003 · primarydocument.xml · derivative · entry 1

Jones Bryn Llywelyn · CIK 0002026033 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,901

Underlying: Common Stock · 5,901 shares

Expires not disclosed

F1 · security: Each restricted share unit ("RSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

F1 · derivative.exercise_price: Each restricted share unit ("RSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

F2 · derivative.exercise_date: RSUs granted on September 30, 2025 pursuant to the Issuer's Amended and Restated 2022 Equity Compensation Plan. The RSUs vest on July 1, 2026, subject to the Reporting Person's continuing service on the Issuer's Board through the applicable vesting date. The RSUs have no expiration date.

F2 · derivative.expiration_date: RSUs granted on September 30, 2025 pursuant to the Issuer's Amended and Restated 2022 Equity Compensation Plan. The RSUs vest on July 1, 2026, subject to the Reporting Person's continuing service on the Issuer's Board through the applicable vesting date. The RSUs have no expiration date.

SEC source: 0002021913-25-000004 · primarydocument.xml · derivative · entry 1

Dick Barry · CIK 0002021913 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,885

Underlying: Common Stock · 6,885 shares

Expires not disclosed

F1 · security: Each restricted share unit ("RSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

F1 · derivative.exercise_price: Each restricted share unit ("RSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

F2 · derivative.exercise_date: RSUs granted on September 30, 2025 pursuant to the Issuer's Amended and Restated 2022 Equity Compensation Plan. The RSUs vest on July 1, 2026, subject to the Reporting Person's continuing service on the Issuer's Board through the applicable vesting date. The RSUs have no expiration date.

F2 · derivative.expiration_date: RSUs granted on September 30, 2025 pursuant to the Issuer's Amended and Restated 2022 Equity Compensation Plan. The RSUs vest on July 1, 2026, subject to the Reporting Person's continuing service on the Issuer's Board through the applicable vesting date. The RSUs have no expiration date.

SEC source: 0001829340-25-000003 · primarydocument.xml · derivative · entry 1

vant Hoff Graham · CIK 0001829340 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,196

Underlying: Common Stock · 8,196 shares

Expires not disclosed

F1 · security: Each restricted share unit ("RSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

F1 · derivative.exercise_price: Each restricted share unit ("RSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

F2 · derivative.exercise_date: RSUs granted on September 30, 2025 pursuant to the Issuer's Amended and Restated 2022 Equity Compensation Plan. The RSUs vest on July 1, 2026, subject to the Reporting Person's continuing service on the Issuer's Board through the applicable vesting date. The RSUs have no expiration date.

F2 · derivative.expiration_date: RSUs granted on September 30, 2025 pursuant to the Issuer's Amended and Restated 2022 Equity Compensation Plan. The RSUs vest on July 1, 2026, subject to the Reporting Person's continuing service on the Issuer's Board through the applicable vesting date. The RSUs have no expiration date.

SEC source: 0001911537-25-000009 · primary_doc.xml · derivative · entry 4

Weibel Paul Wesley III · CIK 0001911537 · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 766

Underlying: Common Stock · 384 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.

F1 · derivative.exercise_price: Each restricted share unit ("RSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

F4 · derivative.exercise_date: RSUs granted on September 15, 2024 pursuant to the Plan. One-third vests on each of the first, second and third anniversary of the grant date.

F4 · derivative.expiration_date: RSUs granted on September 15, 2024 pursuant to the Plan. One-third vests on each of the first, second and third anniversary of the grant date.

SEC source: 0001911537-25-000009 · primary_doc.xml · derivative · entry 3

Weibel Paul Wesley III · CIK 0001911537 · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 530

Underlying: Common Stock · 530 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.

F1 · derivative.exercise_price: Each restricted share unit ("RSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

F3 · derivative.exercise_date: RSUs granted on September 15, 2023 pursuant to the Issuers 2022 Equity Compensation Plan (the "Plan"). One-third vests on each of the first, second and third anniversary of the grant date.

F3 · derivative.expiration_date: RSUs granted on September 15, 2023 pursuant to the Issuers 2022 Equity Compensation Plan (the "Plan"). One-third vests on each of the first, second and third anniversary of the grant date.

SEC source: 0001911537-25-000009 · primary_doc.xml · nonDerivative · entry 2

Weibel Paul Wesley III · CIK 0001911537 · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,088

F2 · shares: Represents the number of shares of common stock withheld by the Issuer to cover the reporting person's tax withholding obligation upon the vesting of RSUs.