Aubree Barnum - Oct 24, 2025 Form 4 Insider Report for LITHIUM AMERICAS CORP. (LAC)

Role
VP, Human Resources
Signature
/s/ Tereza Fonda as attorney-in-fact for Aubree Barnum
Stock symbol
LAC
Transactions as of
Oct 24, 2025
Transactions value $
-$21,434
Form type
4
Date filed
11/18/2025, 06:23 PM
Previous filing
Oct 2, 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
BARNUM AUBREE VP, Human Resources C/O LITHIUM AMERICAS CORP., 5310 KIETZKE LANE, SUITE 200, RENO /s/ Tereza Fonda as attorney-in-fact for Aubree Barnum 2025-11-18 0002045589

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction LAC Common Shares Options Exercise $0 +11.4K +19.12% $0.00 71.1K Oct 24, 2025 Direct
transaction LAC Common Shares Sale -$21.4K -4.76K -6.7% $4.50 66.4K Nov 14, 2025 Direct
holding LAC Common Shares 24 Oct 24, 2025 Held by spouse

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction LAC Restricted Share Units Options Exercise $0 -11.4K -33.33% $0.00 22.8K Oct 24, 2025 Common Shares 11.4K Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Each restricted share unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.
F2 Represents grant of RSUs on October 24, 2023, which vest as follows: 1/5 on October 24, 2023; 1/5 on October 24, 2024; 1/5 on October 24, 2025; 1/5 on October 24, 2026; and 1/5 on October 24, 2027. As of this date of this Form3, 34,251 unvested RSUs remain.