InsiderTrades

Form 4 for LAC LITHIUM AMERICAS CORP.

Accepted 2026-06-29 16:30:18 ET · period of report 2026-06-26 · accession 0000912282-26-000872 · 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 2026-06-29 16:30 2026-06-26 LAC MONTGOMERY PHILIP Dir M - OptEx — +19.3K 19.3K New —
D 2026-06-29 16:30 2026-06-26 LAC MONTGOMERY PHILIP Dir M - OptEx $0.00 -19.3K 38.7K -33% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Shares 2026-06-26 M A 19,348 — 19,348 D — — (F1) Each restricted share unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.
2 Derivative Restricted Share Units ("RSUs") 2026-06-26 M D 19,348 $0.00 38,697 D — · — to — 19,348 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 June 26, 2025, which vest 1/3 annually beginning on the one-year anniversary of the grant date. (F2) Represents grant of RSUs on June 26, 2025, which vest 1/3 annually beginning on the one-year anniversary of the grant date.