Pires Luciano Siani 4

What Happened
Luciano Siani, EVP and Chief Financial Officer of Mosaic Co. (MOS), was granted a derivative award of 38,447 shares on March 4, 2026. The award was reported at $0.00 cash paid (a typical equity compensation grant rather than an open‑market purchase). Footnotes indicate a one‑for‑one conversion and a multi‑year vesting schedule.

Key Details

• Transaction date: 2026-03-04; Form 4 filed: 2026-03-06 (appears timely, filed within two business days).
• Amount: 38,447 shares; reported price: $0.00 (award/derivative).
• Vesting (per footnote): 33% on March 4, 2027; 66% on March 4, 2028; 100% on March 4, 2029.
• Footnote F1: One-for-one (each unit converts to one share when vested). F3: Not applicable.
• Shares owned after the transaction: Not specified in the provided filing.

Context
This was an equity compensation grant (award) for the CFO, not an open‑market buy or sale. Such awards are part of executive pay and typically align management incentives with shareholders; they are not direct market bets. Because the award vests over multiple years, the shares are not immediately tradable until vesting conditions are met.