Updated Jul 16, 2026 · Last SEC filing 2026-07-08
LITHIUM AMERICAS CORP. (LAC) has filed 8 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-07-08. 3 Form 8-K material event filings were reported by LAC in the last 90 days. InsiderAlpha tracks every LAC SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SIC classification | Metal Mining (SIC 1000) |
|---|---|
| SEC CIK | 0001966983 |
| Form 4 filings (90d) | 8 |
|---|---|
| Form 8-K filings (90d) | 3 |
| Latest Form 4 filing | 2026-07-08 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| MONTGOMERY PHILIP | Insider | M — Option exercise | 19.3K | — | — | SEC | |
| GRANDY EDWARD | Sr VP, GC & Secretary | F — Tax withholding / forfeiture | 15 | $4.45 | $67 | SEC | |
| BARNUM AUBREE | VP, Human Resources | F — Tax withholding / forfeiture | 17.3K | $4.17 | $72K | SEC | |
| Evans Jonathan David | President & CEO | F — Tax withholding / forfeiture | 85.3K | $4.17 | $356K | SEC | |
| BARNUM AUBREE | VP, Human Resources | M — Option exercise | 15.7K | — | — | SEC | |
| COLTON LUKE | EVP & Chief Financial Officer | F — Tax withholding / forfeiture | 26.5K | $4.17 | $110K | SEC | |
| GRANDY EDWARD | Sr VP, GC & Secretary | F — Tax withholding / forfeiture | 25.6K | $4.17 | $107K | SEC | |
| ZAWADZKI ALEXI ILLYA | VP, Resource Development | F — Tax withholding / forfeiture | 27.8K | $4.13 | $115K | SEC | |
| RUSSELL-SMITH ROBERT | SVP, Finance | F — Tax withholding / forfeiture | 2.4K | $4.13 | $10K | SEC | |
| GRANDY EDWARD | Sr VP, GC & Secretary | M — Option exercise | 21.2K | — | — | SEC | |
| ZAWADZKI ALEXI ILLYA | VP, Resource Development | M — Option exercise | 17.7K | — | — | SEC | |
| GERSPACHER RICHARD | EVP, Capital Projects | F — Tax withholding / forfeiture | 37.3K | $4.17 | $155K | SEC | |
| GERSPACHER RICHARD | EVP, Capital Projects | M — Option exercise | 34.2K | $0.00 | — | SEC | |
| COLTON LUKE | EVP & Chief Financial Officer | M — Option exercise | 39.2K | $0.00 | — | SEC | |
| Evans Jonathan David | President & CEO | M — Option exercise | 97.9K | $0.00 | — | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for LITHIUM AMERICAS CORP. (LAC). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| MONTGOMERY PHILIP | 3 | — |
| MAGIE JINHEE | 1 | — |
| GAO YUAN | 1 | — |
| Chubbs Fabiana | 1 | — |
| Walker Clayton D. | 1 | — |
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in LAC insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
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