Form 4 Filing for 5E Advanced Materials, Inc.

This filing details transactions by Jonathan A. Siegler, a director at 5E Advanced Materials, Inc. On June 30, 2026, Mr. Siegler was granted 6,516 Restricted Stock Units (RSUs), with each RSU representing a contingent right to one share of common stock. These RSUs were granted under the Issuer's Amended and Restated 2022 Equity Compensation Plan and vested on July 1, 2026. On July 1, 2026, the vested RSUs were settled, resulting in the acquisition of 6,516 shares of common stock. Concurrently, Mr. Siegler disposed of 2,411 shares of common stock at a price of $1.44 per share, leaving him with 4,105 shares. The transactions were reported on Form 4.