BARNUM AUBREE 4

What Happened

• Barnum Aubree, Vice President, Human Resources at Lithium Americas Corp. (LAC), converted 7,037 restricted share units (RSUs) into 7,037 common shares on 2026-01-23. To satisfy tax withholding, 3,137 of those shares were surrendered at $6.47 per share for a tax payment of $20,296, leaving Aubree with a net 3,900 shares. The RSU conversion had no exercise price (RSUs convert to shares).

Key Details

• Transaction date: January 23, 2026; Form 4 filed January 27, 2026 (timely filing).
• Conversion: 7,037 RSUs → 7,037 common shares (derivative conversion; code M).
• Tax withholding: 3,137 shares withheld/disposed at $6.47 each = $20,296 (code F).
• Net shares delivered to insider: 3,900 shares.
• Footnotes: F1 — each RSU represents a contingent right to one common share; F2 — these RSUs were granted Jan 23, 2024 and vest 1/3 annually beginning in 2025.
• Shares owned after the transaction: not disclosed in the provided filing excerpt.

Context

• This was a conversion/vesting event for RSUs, not an open-market purchase or discretionary sale; the withholding of shares to cover taxes is routine and does not necessarily signal a change in outlook. The filing appears timely (filed within required business-day window).