Key facts
- This page summarizes Jonathan A. Siegler's Form 4 filing for 5E Advanced Materials, Inc. (FEAM).
- 4 reported transactions and 2 derivative rows are listed below.
- Accepted by SEC: 02 Jul 2026, 08:42.
Jonathan A. Siegler - 30 Jun 2026 Form 4 Insider Report for 5E Advanced Materials, Inc. (FEAM)
- Reporting relationship
- Director
- Issuer ticker
- FEAM
- Reported as of
- 30 Jun 2026
- Net transaction value
- $0
- SEC form
- 4
- Accepted by SEC
- 02 Jul 2026, 08:42:13 UTC
- Prior SEC filing
- 13 Apr 2026
- Source filing
- View source filing
- Reporting owner signature
- /s / Joshua Malm, Attorney-in-Fact for Jonathan Siegler
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
Jonathan A. Siegler filed Form 4 for 5E Advanced Materials, Inc. (FEAM) on 02 Jul 2026.
Change
- Previous filing in this sequence was filed on 13 Apr 2026.
- Current net transaction value: $0.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001381188
Primary reporting owner
Siegler Jonathan A
- Relationship
- Director
- Address
- 9329 MARIPOSA ROAD, SUITE 210, HESPERIA
- Signature
- /s / Joshua Malm, Attorney-in-Fact for Jonathan Siegler
- Signature date
- 02 Jul 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
FEAM
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +6,516
- Change %
- Price
- Shares after
- 6,516
- Date
- 01 Jul 2026
- Ownership
- Direct
- Footnotes
- F1
FEAM
transaction
Common Stock
Tax liability
- Transaction value
- Shares
- -2,411
- Change %
- -37%
- Price
- $1.44*
- Shares after
- 4,105
- Date
- 01 Jul 2026
- Ownership
- Direct
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
FEAM
transaction
Derivative
Restricted Stock Unit
Award
- Transaction value
- Shares
- +6,516
- Change %
- Price
- $0.000000*
- Shares after
- 6,516
- Date
- 30 Jun 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 6,516
- Exercise price
- Footnotes
- F1, F2
FEAM
transaction
Derivative
Restricted Stock Unit
Options Exercise
- Transaction value
- Shares
- -6,516
- Change %
- -100%
- Price
- $0.000000*
- Shares after
- 0
- Date
- 01 Jul 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 6,516
- Exercise price
- Footnotes
- F1, F2
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 2 footnotes
Footnote F1
Each restricted stock unit ("RSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.
Footnote F2
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.