BARNUM AUBREE 4

What Happened
Barnum Aubree, Vice President of Human Resources at Lithium Americas (LAC), had restricted stock units (RSUs) vest on April 10, 2026. According to the Form 4, 15,673 RSUs converted into 15,673 common shares (derivative exercise/conversion). To satisfy tax obligations, 17,278 shares were surrendered/withheld at $4.17 per share, totaling $72,049. This is an award vesting with routine tax withholding rather than an open-market purchase or discretionary sale.

Key Details

• Transaction date: 2026-04-10; Form 4 filed 2026-04-14 (timely).
• Vesting/conversion: 15,673 RSUs → 15,673 common shares (transaction code M).
• Tax/withholding disposition: 17,278 shares disposed at $4.17 each for $72,049 (transaction code F).
• Exercise/conversion entry also shows a $0.00 price for the derivative conversion (M) — consistent with RSU-to-share conversion.
• Shares owned after the transaction: Not disclosed on the filing.
• Footnotes: F1 — each RSU converts to one common share; F2 — these RSUs are part of a 47,020 RSU grant on Apr 10, 2025 that vests 1/3 annually beginning in 2026.

Context
This transaction reflects RSU vesting and a net settlement to cover tax liabilities (common for equity awards). Code M denotes conversion/exercise of a derivative (RSU → share); code F denotes shares withheld/disposed to pay taxes. Such withholdings are routine and do not necessarily indicate a change in the insider’s view of the company.