InsiderTrades

Form 4 for LAC LITHIUM AMERICAS CORP.

Accepted 2026-04-14 20:18:43 ET · period of report 2026-04-10 · accession 0000912282-26-000600 · 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 2026-04-14 20:18 2026-04-10 LAC GRANDY EDWARD SVP, GC, Sec M - OptEx — +21.2K 198.9K +12% —
D 2026-04-14 20:18 2026-04-10 LAC GRANDY EDWARD SVP, GC, Sec F - Tax $4.17 -25.6K 173.3K -13% -$106.7K
D 2026-04-14 20:18 2026-04-10 LAC GRANDY EDWARD SVP, GC, Sec M - OptEx $0.00 -21.2K 42.4K -33% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Shares 2026-04-10 M A 21,218 — 198,912 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 2026-04-10 F D 25,590 $4.17 173,322 D — —
3 Derivative Restricted Share Units 2026-04-10 M D 21,218 $0.00 42,435 D — · — to — 21,218 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 63,653 RSUs on April 10, 2025, which vest one-third annually beginning in 2026. (F2) Represents grant of 63,653 RSUs on April 10, 2025, which vest one-third annually beginning in 2026.