InsiderTrades

Form 4 for LAC LITHIUM AMERICAS CORP.

Accepted 2026-01-27 00:00:00 ET · period of report 2026-01-23 · accession 0000912282-26-000146 · 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 2026-01-27 2026-01-23 LAC BARNUM AUBREE VP, Human Resources M - OptEx — +7,037 73.4K +11% —
D 2026-01-27 2026-01-23 LAC BARNUM AUBREE VP, Human Resources F - Tax $6.47 -3,137 70.3K -4% -$20.3K
D 2026-01-27 2026-01-23 LAC BARNUM AUBREE VP, Human Resources M - OptEx $0.00 -7,037 7,037 -50% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Shares 2026-01-23 M A 7,037 — 73,410 D — — (F1) Each restricted share unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.
2 Common Common Shares 2026-01-23 F D 3,137 $6.47 70,273 D — —
3 Derivative Restricted Share Units 2026-01-23 M D 7,037 $0.00 7,037 D — · — to — 7,037 Common Shares (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 January 23, 2024, which vests 1/3 annually beginning in 2025.