Form 4 for MOS Mosaic Company (The)
Accepted 2026-06-01 19:23:39 ET · period of report 2026-05-28 · accession 0001285785-26-000081 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2026-06-01 19:23 | 2026-05-28 | MOS | WESTBROOK KELVIN R | Dir | M - OptEx | $0.00 | +2,437 | 39.8K | +7% | $0 |
| D | 2026-06-01 19:23 | 2026-05-28 | MOS | WESTBROOK KELVIN R | Dir | A - Grant | $0.00 | +7,273 | 7,273 | New | $0 |
| D | 2026-06-01 19:23 | 2026-05-28 | MOS | WESTBROOK KELVIN R | Dir | M - OptEx | $0.00 | -4,873 | 0 | -100% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-05-28 | M | A | 2,437 | $0.00 | 39,807 | D | — | — | (F1) The reporting person, pursuant to the terms of the Restricted Stock Unit Agreement under which the award of restricted stock units was made, elected to receive 50% of the restricted stock units in the form of cash with the balance paid in the form of shares of common stock at the time the award was paid. |
| 2 | Derivative | Restricted Stock Units | 2026-05-28 | A | A | 7,273 | $0.00 | 7,273 | D | — · — to — | 7,273 Common Stock | (F2) One-for-One (F3) The restricted stock units will vest and be paid to the reporting person on the date of the issuer's 2027 Annual Meeting of Stockholders. (F4) Not Applicable |
| 3 | Derivative | Restricted Stock Units | 2026-05-28 | M | D | 4,873 | $0.00 | 0 | D | — · — to — | 4,873 Common Stock | (F2) One-for-One (F1) The reporting person, pursuant to the terms of the Restricted Stock Unit Agreement under which the award of restricted stock units was made, elected to receive 50% of the restricted stock units in the form of cash with the balance paid in the form of shares of common stock at the time the award was paid. (F5) The restricted stock units vested on the date of the issuer's 2026 Annual Meeting of Stockholders. (F4) Not Applicable |