Key facts
- This page summarizes Aubree Barnum's Form 4 filing for LITHIUM AMERICAS CORP. (LAC).
- 2 reported transactions and 1 derivative row are listed below.
- Accepted by SEC: 26 Oct 2026, 18:43.
Aubree Barnum - 24 Oct 2026 Form 4 Insider Report for LITHIUM AMERICAS CORP. (LAC)
- Reporting relationship
- VP, Human Resources
- Issuer ticker
- LAC
- Reported as of
- 24 Oct 2026
- Net transaction value
- $0
- SEC form
- 4
- Accepted by SEC
- 26 Oct 2026, 18:43:14 UTC
- Prior SEC filing
- 14 Apr 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Tereza Fonda as attorney-in-fact for Aubree Barnum
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Filing notes and source
Key filing fact
Aubree Barnum filed Form 4 for LITHIUM AMERICAS CORP. (LAC) on 26 Oct 2026.
Change
- Previous filing in this sequence was filed on 14 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 0002045589
Primary reporting owner
BARNUM AUBREE
- Relationship
- VP, Human Resources
- Address
- C/O LITHIUM AMERICAS CORP., 522 S. ROCK BLVD., SUITE 200, RENO
- Signature
- /s/ Tereza Fonda as attorney-in-fact for Aubree Barnum
- Signature date
- 26 Oct 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
LAC
transaction
Common Shares
Options Exercise
- Transaction value
- Shares
- +11,417
- Change %
- +12%
- Price
- Shares after
- 110,511
- Date
- 24 Oct 2026
- Ownership
- Direct
- Footnotes
- F1
LAC
holding
Common Shares
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 24
- Date
- 24 Oct 2026
- Ownership
- Held by spouse
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
LAC
transaction
Derivative
Restricted Share Units
Options Exercise
- Transaction value
- Shares
- -11,417
- Change %
- -50%
- Price
- $0.000000*
- Shares after
- 11,417
- Date
- 24 Oct 2026
- Ownership
- Direct
- Underlying class
- Common Shares
- Underlying amount
- 11,417
- 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 share unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.
Footnote F2
Represents grant of 57,085 RSUs on October 24, 2023, which vests 1/5 annually commencing on October 24, 2023.