Dos Santos Cardoso Joao Kleber 4

What Happened
Joao Kleber Dos Santos Cardoso, CFO and Corporate Secretary of Aura Minerals (AUGO), exercised stock options on May 11, 2026 to acquire 26,158 common shares at C$17.35 per share for a total of C$453,841. The Form 4 also reports a same‑date derivative disposition for 26,158 shares (reported as a derivative transaction) and a subsequent disposal on May 27, 2026 of 2,964 shares at C$76.42 per share (C$226,509) to cover the exercise price or tax liability. The option grant was originally made Jan 10, 2025 and vests in three annual installments beginning Jan 10, 2026.

Key Details

• Exercise (code M): 26,158 shares acquired on 2026-05-11 at C$17.35 each = C$453,841 (Canadian dollars per footnote F1).
• Derivative disposition (code M): 26,158 shares reported disposed on 2026-05-11 (same strike and amount as the exercise).
• Tax/withholding sale (code F): 2,964 shares disposed on 2026-05-27 at C$76.42 each = C$226,509 (used to pay exercise price/taxes).
• Footnotes: F1 = amounts in Canadian dollars. F2 = reflects stock options granted Jan 10, 2025, vesting in three equal annual installments starting Jan 10, 2026.
• Shares owned after the transactions: not reported in the provided Form 4.
• Timeliness: The report covers a May 11, 2026 transaction and was filed May 29, 2026, which is a delayed filing.

Context
This filing shows an option exercise (insider acquiring shares) and subsequent dispositions related to the exercise and tax withholding. Dispositions coded F are typically sales or share withholdings to satisfy tax or exercise costs and are routine; they do not by themselves indicate the insider’s longer‑term view. The simultaneous exercise and derivative disposition may reflect a cashless or partial sale arrangement—filing specifics are limited, so avoid inferring motivation.