FEAM

SEC source: 0001911537-25-000009 · primary_doc.xml · nonDerivative · entry 1

Weibel Paul Wesley III · CIK 0001911537 · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,416

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

SEC source: 0001562180-25-006086 · primarydocument.xml · derivative · entry 6

Weibel Paul Wesley III · CIK 0001911537 · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 239 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 performance share unit ("PSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock upon the attainment of certain service-based and performance-based conditions.

F6 · derivative.exercise_date: PSUs granted on September 1, 2022 pursuant to the Plan. Amount represents the vesting of PSUs. Pursuant to the determination of the Compensation Committee of the Board of Directors, the PSUs vested at 90% of the target number of shares based on achievement of the applicable performance criteria. The remaining unvested PSUs were forfeited.

F6 · derivative.expiration_date: PSUs granted on September 1, 2022 pursuant to the Plan. Amount represents the vesting of PSUs. Pursuant to the determination of the Compensation Committee of the Board of Directors, the PSUs vested at 90% of the target number of shares based on achievement of the applicable performance criteria. The remaining unvested PSUs were forfeited.

SEC source: 0001562180-25-006086 · primarydocument.xml · derivative · entry 5

Weibel Paul Wesley III · CIK 0001911537 · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 239

Underlying: Common Stock · 239 shares

Expires not disclosed

F2 · derivative.exercise_price: Each performance share unit ("PSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock upon the attainment of certain service-based and performance-based conditions.

F5 · derivative.exercise_date: The Issuer previously granted the Reporting Person an award of PSUs that vest based on the Issuer's satisfaction of certain performance objectives. On September 3, 2025, the Board determined that the performance conditions had been 90% satisfied.

F5 · derivative.expiration_date: The Issuer previously granted the Reporting Person an award of PSUs that vest based on the Issuer's satisfaction of certain performance objectives. On September 3, 2025, the Board determined that the performance conditions had been 90% satisfied.

SEC source: 0001562180-25-006086 · primarydocument.xml · nonDerivative · entry 3

Weibel Paul Wesley III · CIK 0001911537 · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,502

F3 · 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 and PSUs.

SEC source: 0001562180-25-006086 · primarydocument.xml · nonDerivative · entry 2

Weibel Paul Wesley III · CIK 0001911537 · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,633

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 · price: Each performance share unit ("PSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock upon the attainment of certain service-based and performance-based conditions.

SEC source: 0001562180-25-006086 · primarydocument.xml · derivative · entry 4

Weibel Paul Wesley III · CIK 0001911537 · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 133 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 1, 2022 pursuant to the Issuers 2022 Equity Compensation Plan (the "Plan"). One-third vested on each of the first, second and third anniversary of the grant date.

F4 · derivative.expiration_date: RSUs granted on September 1, 2022 pursuant to the Issuers 2022 Equity Compensation Plan (the "Plan"). One-third vested on each of the first, second and third anniversary of the grant date.

SEC source: 0001562180-25-006086 · 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: 14,394

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

SEC source: 0001562180-25-006000 · primarydocument.xml · nonDerivative · entry 1

Malm Joshua · CIK 0002025901 · CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,425

SEC source: 0001562180-25-006001 · 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: 14,261

SEC source: 0001641172-25-025705 · 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: 7,830,646

F1 · ownership.nature: Ascend Global Investment Fund SPC ("Ascend Global") and Meridian Investments Corporation ("Meridian") each purchased 50,000 shares of Common Stock. Ascend Global is the record holder of 4,031,972 shares of Common Stock and Meridian is the record holder of 3,798,674 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: 0001641172-25-025704 · 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: 7,597,349

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.

F2 · ownership.direct: Bluescape purchased the Common Stock reported herein.

SEC source: 0001562180-25-005200 · primarydocument.xml · derivative · entry 7

HEBERT CURTIS L JR · CIK 0001168534 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 5,316 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, 2025 pursuant to the Issuer's Amended and Restated 2022 Equity Compensation Plan. The RSUs vested on July 1, 2025.

F2 · derivative.expiration_date: RSUs granted on June 30, 2025 pursuant to the Issuer's Amended and Restated 2022 Equity Compensation Plan. The RSUs vested on July 1, 2025.

SEC source: 0001562180-25-005200 · primarydocument.xml · derivative · entry 6

HEBERT CURTIS L JR · CIK 0001168534 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 512 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 March 31, 2025 pursuant to the Issuer's Amended and Restated 2022 Equity Compensation Plan. The RSUs vested on July 1, 2025.

F3 · derivative.expiration_date: RSUs granted on March 31, 2025 pursuant to the Issuer's Amended and Restated 2022 Equity Compensation Plan. The RSUs vested on July 1, 2025.

SEC source: 0001562180-25-005200 · primarydocument.xml · nonDerivative · entry 4

HEBERT CURTIS L JR · CIK 0001168534 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,671

SEC source: 0001562180-25-005200 · primarydocument.xml · nonDerivative · entry 3

HEBERT CURTIS L JR · CIK 0001168534 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,638

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: 0001562180-25-005200 · primarydocument.xml · nonDerivative · entry 2

HEBERT CURTIS L JR · CIK 0001168534 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 322

SEC source: 0001562180-25-005200 · primarydocument.xml · nonDerivative · entry 1

HEBERT CURTIS L JR · CIK 0001168534 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 512

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: 0001562180-25-005199 · primarydocument.xml · derivative · entry 10

Jones Bryn Llywelyn · CIK 0002026033 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 5,316 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 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 June 30, 2025 pursuant to the Issuer's Amended and Restated 2022 Equity Compensation Plan. The RSUs vested on July 1, 2025.

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

SEC source: 0001562180-25-005199 · primarydocument.xml · derivative · entry 9

Jones Bryn Llywelyn · CIK 0002026033 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 3,578 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 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, 2025 pursuant to the Issuer's Amended and Restated 2022 Equity Compensation Plan. The RSUs vested on July 1, 2025.

F5 · derivative.expiration_date: RSUs granted on March 31, 2025 pursuant to the Issuer's Amended and Restated 2022 Equity Compensation Plan. The RSUs vested on July 1, 2025.

SEC source: 0001562180-25-005199 · primarydocument.xml · derivative · entry 8

Jones Bryn Llywelyn · CIK 0002026033 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,063 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 restricted stock unit ("RSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

F1 · shares: The number of securities reported herein have been adjusted to reflect a 1-for-23 reverse stock split effected by the Issuer on February 14, 2025.

F4 · derivative.exercise_date: RSUs granted on January 21, 2025 pursuant to the Issuer's 2022 Equity Compensation Plan. The RSUs vested on July 1, 2025.

F4 · derivative.expiration_date: RSUs granted on January 21, 2025 pursuant to the Issuer's 2022 Equity Compensation Plan. The RSUs vested on July 1, 2025.

F1 · derivative.underlying_shares: The number of securities reported herein have been adjusted to reflect a 1-for-23 reverse stock split effected by the Issuer on February 14, 2025.

SEC source: 0001562180-25-005199 · primarydocument.xml · nonDerivative · entry 6

Jones Bryn Llywelyn · CIK 0002026033 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,902

SEC source: 0001562180-25-005199 · primarydocument.xml · nonDerivative · entry 5

Jones Bryn Llywelyn · CIK 0002026033 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,869

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

SEC source: 0001562180-25-005199 · primarydocument.xml · nonDerivative · entry 4

Jones Bryn Llywelyn · CIK 0002026033 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,553

SEC source: 0001562180-25-005199 · primarydocument.xml · nonDerivative · entry 3

Jones Bryn Llywelyn · CIK 0002026033 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,877

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

SEC source: 0001562180-25-005199 · primarydocument.xml · nonDerivative · entry 2

Jones Bryn Llywelyn · CIK 0002026033 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,299

F1 · shares: The number of securities reported herein have been adjusted to reflect a 1-for-23 reverse stock split effected by the Issuer on February 14, 2025.

F1 · balance_after: The number of securities reported herein have been adjusted to reflect a 1-for-23 reverse stock split effected by the Issuer on February 14, 2025.

SEC source: 0001562180-25-005199 · primarydocument.xml · nonDerivative · entry 1

Jones Bryn Llywelyn · CIK 0002026033 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,063

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 · shares: The number of securities reported herein have been adjusted to reflect a 1-for-23 reverse stock split effected by the Issuer on February 14, 2025.

F2 · price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

F1 · balance_after: The number of securities reported herein have been adjusted to reflect a 1-for-23 reverse stock split effected by the Issuer on February 14, 2025.

SEC source: 0001562180-25-005198 · primarydocument.xml · derivative · entry 13

Dick Barry · CIK 0002021913 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 6,202 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 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 June 30, 2025 pursuant to the Issuer's Amended and Restated 2022 Equity Compensation Plan. The RSUs vested on July 1, 2025.

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

SEC source: 0001562180-25-005198 · primarydocument.xml · derivative · entry 12

Dick Barry · CIK 0002021913 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 3,918 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 restricted stock unit ("RSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

F6 · derivative.exercise_date: RSUs granted on March 31, 2025 pursuant to the Issuer's Amended and Restated 2022 Equity Compensation Plan. The RSUs vested on July 1, 2025.

F6 · derivative.expiration_date: RSUs granted on March 31, 2025 pursuant to the Issuer's Amended and Restated 2022 Equity Compensation Plan. The RSUs vested on July 1, 2025.

SEC source: 0001562180-25-005198 · primarydocument.xml · derivative · entry 11

Dick Barry · CIK 0002021913 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,335 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 restricted stock unit ("RSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

F1 · shares: The number of securities reported herein have been adjusted to reflect a 1-for-23 reverse stock split effected by the Issuer on February 14, 2025.

F5 · derivative.exercise_date: RSUs granted on January 21, 2025 pursuant to the Issuer's 2022 Equity Compensation Plan. The RSUs vested on July 1, 2025.

F5 · derivative.expiration_date: RSUs granted on January 21, 2025 pursuant to the Issuer's 2022 Equity Compensation Plan. The RSUs vested on July 1, 2025.

F1 · derivative.underlying_shares: The number of securities reported herein have been adjusted to reflect a 1-for-23 reverse stock split effected by the Issuer on February 14, 2025.

SEC source: 0001562180-25-005198 · primarydocument.xml · derivative · entry 10

Dick Barry · CIK 0002021913 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 728 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 restricted stock unit ("RSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

F1 · shares: The number of securities reported herein have been adjusted to reflect a 1-for-23 reverse stock split effected by the Issuer on February 14, 2025.

F4 · derivative.exercise_date: RSUs granted on September 30, 2024 pursuant to the Issuer's 2022 Equity Compensation Plan. The RSUs vested on July 1, 2025.

F4 · derivative.expiration_date: RSUs granted on September 30, 2024 pursuant to the Issuer's 2022 Equity Compensation Plan. The RSUs vested on July 1, 2025.

F1 · derivative.underlying_shares: The number of securities reported herein have been adjusted to reflect a 1-for-23 reverse stock split effected by the Issuer on February 14, 2025.

SEC source: 0001562180-25-005198 · primarydocument.xml · nonDerivative · entry 8

Dick Barry · CIK 0002021913 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,693

SEC source: 0001562180-25-005198 · primarydocument.xml · nonDerivative · entry 7

Dick Barry · CIK 0002021913 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,988

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

SEC source: 0001562180-25-005198 · primarydocument.xml · nonDerivative · entry 6

Dick Barry · CIK 0002021913 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,786

SEC source: 0001562180-25-005198 · primarydocument.xml · nonDerivative · entry 5

Dick Barry · CIK 0002021913 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,236

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

SEC source: 0001562180-25-005198 · primarydocument.xml · nonDerivative · entry 4

Dick Barry · CIK 0002021913 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,318

F1 · shares: The number of securities reported herein have been adjusted to reflect a 1-for-23 reverse stock split effected by the Issuer on February 14, 2025.

F1 · balance_after: The number of securities reported herein have been adjusted to reflect a 1-for-23 reverse stock split effected by the Issuer on February 14, 2025.

SEC source: 0001562180-25-005198 · primarydocument.xml · nonDerivative · entry 3

Dick Barry · CIK 0002021913 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,812

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 · shares: The number of securities reported herein have been adjusted to reflect a 1-for-23 reverse stock split effected by the Issuer on February 14, 2025.

F2 · price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

F1 · balance_after: The number of securities reported herein have been adjusted to reflect a 1-for-23 reverse stock split effected by the Issuer on February 14, 2025.

SEC source: 0001562180-25-005198 · primarydocument.xml · nonDerivative · entry 2

Dick Barry · CIK 0002021913 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 477

F1 · shares: The number of securities reported herein have been adjusted to reflect a 1-for-23 reverse stock split effected by the Issuer on February 14, 2025.

F1 · balance_after: The number of securities reported herein have been adjusted to reflect a 1-for-23 reverse stock split effected by the Issuer on February 14, 2025.

SEC source: 0001562180-25-005198 · primarydocument.xml · nonDerivative · entry 1

Dick Barry · CIK 0002021913 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 747

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 · shares: The number of securities reported herein have been adjusted to reflect a 1-for-23 reverse stock split effected by the Issuer on February 14, 2025.

F2 · price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

F1 · balance_after: The number of securities reported herein have been adjusted to reflect a 1-for-23 reverse stock split effected by the Issuer on February 14, 2025.

SEC source: 0001562180-25-005197 · 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 · 7,384 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.

F2 · 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 June 30, 2025 pursuant to the Issuer's Amended and Restated 2022 Equity Compensation Plan. The RSUs vested on July 1, 2025.

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

SEC source: 0001562180-25-005197 · 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 · 4,770 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 restricted stock unit ("RSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

F6 · derivative.exercise_date: RSUs granted on March 31, 2025 pursuant to the Issuer's Amended and Restated 2022 Equity Compensation Plan. The RSUs vested on July 1, 2025.

F6 · derivative.expiration_date: RSUs granted on March 31, 2025 pursuant to the Issuer's Amended and Restated 2022 Equity Compensation Plan. The RSUs vested on July 1, 2025.

SEC source: 0001562180-25-005197 · 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 · 2,920 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 restricted stock unit ("RSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

F1 · shares: The number of securities reported herein have been adjusted to reflect a 1-for-23 reverse stock split effected by the Issuer on February 14, 2025.

F5 · derivative.exercise_date: RSUs granted on January 21, 2025 pursuant to the Issuer's 2022 Equity Compensation Plan. The RSUs vested on July 1, 2025.

F5 · derivative.expiration_date: RSUs granted on January 21, 2025 pursuant to the Issuer's 2022 Equity Compensation Plan. The RSUs vested on July 1, 2025.

F1 · derivative.underlying_shares: The number of securities reported herein have been adjusted to reflect a 1-for-23 reverse stock split effected by the Issuer on February 14, 2025.

SEC source: 0001562180-25-005197 · 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 · 1,850 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 restricted stock unit ("RSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

F1 · shares: The number of securities reported herein have been adjusted to reflect a 1-for-23 reverse stock split effected by the Issuer on February 14, 2025.

F4 · derivative.exercise_date: RSUs granted on September 30, 2024 pursuant to the Issuer's 2022 Equity Compensation Plan. The RSUs vested on July 1, 2025.

F4 · derivative.expiration_date: RSUs granted on September 30, 2024 pursuant to the Issuer's 2022 Equity Compensation Plan. The RSUs vested on July 1, 2025.

F1 · derivative.underlying_shares: The number of securities reported herein have been adjusted to reflect a 1-for-23 reverse stock split effected by the Issuer on February 14, 2025.

SEC source: 0001562180-25-005197 · primarydocument.xml · nonDerivative · entry 8

vant Hoff Graham · CIK 0001829340 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,259

SEC source: 0001562180-25-005197 · primarydocument.xml · nonDerivative · entry 7

vant Hoff Graham · CIK 0001829340 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,992

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.

F2 · price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

SEC source: 0001562180-25-005197 · primarydocument.xml · nonDerivative · entry 6

vant Hoff Graham · CIK 0001829340 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,608

SEC source: 0001562180-25-005197 · primarydocument.xml · nonDerivative · entry 5

vant Hoff Graham · CIK 0001829340 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,373

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

SEC source: 0001562180-25-005197 · primarydocument.xml · nonDerivative · entry 4

vant Hoff Graham · CIK 0001829340 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,603

F1 · shares: The number of securities reported herein have been adjusted to reflect a 1-for-23 reverse stock split effected by the Issuer on February 14, 2025.

F1 · balance_after: The number of securities reported herein have been adjusted to reflect a 1-for-23 reverse stock split effected by the Issuer on February 14, 2025.

SEC source: 0001562180-25-005197 · primarydocument.xml · nonDerivative · entry 3

vant Hoff Graham · CIK 0001829340 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,684

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 · shares: The number of securities reported herein have been adjusted to reflect a 1-for-23 reverse stock split effected by the Issuer on February 14, 2025.

F2 · price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

F1 · balance_after: The number of securities reported herein have been adjusted to reflect a 1-for-23 reverse stock split effected by the Issuer on February 14, 2025.

SEC source: 0001562180-25-005197 · primarydocument.xml · nonDerivative · entry 2

vant Hoff Graham · CIK 0001829340 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,764

F1 · shares: The number of securities reported herein have been adjusted to reflect a 1-for-23 reverse stock split effected by the Issuer on February 14, 2025.

F1 · balance_after: The number of securities reported herein have been adjusted to reflect a 1-for-23 reverse stock split effected by the Issuer on February 14, 2025.

SEC source: 0001562180-25-005197 · primarydocument.xml · nonDerivative · entry 1

vant Hoff Graham · CIK 0001829340 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,449

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 · shares: The number of securities reported herein have been adjusted to reflect a 1-for-23 reverse stock split effected by the Issuer on February 14, 2025.

F2 · price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

F1 · balance_after: The number of securities reported herein have been adjusted to reflect a 1-for-23 reverse stock split effected by the Issuer on February 14, 2025.