Form 4 for FEAM 5E Advanced Materials, Inc.

Accepted 2026-09-15 17:34:47 ET · period of report 2026-09-15 · accession 0002025901-26-000007 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X	Filed	Traded	Ticker	Insider	Title	Type	Price	Qty	Owned	ΔOwn	Value
D	2026-09-15 17:34	2026-09-15	FEAM	Malm Joshua	CFO	M - OptEx	—	+4,261	9,436	+82%	—
D	2026-09-15 17:34	2026-09-15	FEAM	Malm Joshua	CFO	F - Tax	$1.26	-1,225	8,211	-13%	-$1,544
D	2026-09-15 17:34	2026-09-15	FEAM	Malm Joshua	CFO	M - OptEx	$0.00	-4,261	8,523	-33%	$0

Purchase Sale Sale after option exercise All abbreviations

#	Table	Security	Date	Code	A/D	Shares	Price	Owned after	Own	Exercise / expiry	Underlying	Footnotes
1	Common	Common Stock	2026-09-15	M	A	4,261	—	9,436	D	—	—	(F1) Each restricted share unit ("RSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.
2	Common	Common Stock	2026-09-15	F	D	1,225	$1.26	8,211	D	—	—	(F2) 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.
3	Derivative	Restricted Share Unit	2026-09-15	M	D	4,261	$0.00	8,523	D	— · — to —	4,261 Common Stock	(F1) Each restricted share unit ("RSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock. (F3) RSUs granted on March 1, 2026 pursuant to the Issuer's Plan. Approximately one-third vest on each of September 15 of 2026, 2027 and 2028. (F3) RSUs granted on March 1, 2026 pursuant to the Issuer's Plan. Approximately one-third vest on each of September 15 of 2026, 2027 and 2028.