Form 4 for LAC LITHIUM AMERICAS CORP.
Accepted 2026-04-14 19:59:29 ET · period of report 2026-04-10 · accession 0000912282-26-000592 · 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 19:59 | 2026-04-10 | LAC | BARNUM AUBREE | VP, Human Resources | M - OptEx | — | +15.7K | 116.4K | +16% | — |
| D | 2026-04-14 19:59 | 2026-04-10 | LAC | BARNUM AUBREE | VP, Human Resources | F - Tax | $4.17 | -17.3K | 99.1K | -15% | -$72.0K |
| D | 2026-04-14 19:59 | 2026-04-10 | LAC | BARNUM AUBREE | VP, Human Resources | M - OptEx | $0.00 | -15.7K | 31.3K | -33% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Shares | 2026-04-10 | M | A | 15,673 | — | 116,372 | 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 | 17,278 | $4.17 | 99,094 | D | — | — | |
| 3 | Derivative | Restricted Share Units | 2026-04-10 | M | D | 15,673 | $0.00 | 31,347 | D | — · — to — | 15,673 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 47,020 RSUs on April 10, 2025, which vests 1/3 annually beginning in 2026. (F2) Represents grant of 47,020 RSUs on April 10, 2025, which vests 1/3 annually beginning in 2026. |