Company profile
Mosaic Co Insider Trading
MOSEvery SEC Form 4 insider trading filing for Mosaic Co (MOS) since April 2023: open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?
- Exchange
- NYSE
- Sector
- Agricultural Chemicals
- CIK
- 0001285785
- Filings
- 117
- Insiders
- 24
- Last filing
- 2026-08-19
Activity summary
No insider transactions in the last 30 days. The most recent was on August 19, 2026, when Walter F. Precourt III sold 23,000 shares. 117 filings from 24 insiders are on record below.
Three year balance
Buy and sell value by quarter, Q4 23 to Q3 26. Mosaic Co insiders are net sellers across the period shown.
Bars below the rule are sales, above are purchases. Largest quarter on the chart is $6.4M.
90 day insight
Over the last 90 days, Mosaic Co insiders sold $509K across 1 transaction with no open-market purchases.
- Most active insider: Walter F. Precourt III with 1 transaction totaling $509K.
- Largest single sale: $509K by Walter F. Precourt III on Aug 19, 2026.
Activity skews bearish: sales outpace buys.
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 19, 2026 | Walter F. Precourt III | MOS | Sale | 23,000 | $22.12 | $509K |
| May 28, 2026 | Gregory L Ebel | MOS | Option Exercise | 7,310 | — | — |
| May 28, 2026 | Gregory L Ebel | MOS | Award | 10,910 | — | — |
| May 28, 2026 | Gregory L Ebel | MOS | Option Exercise | 7,310 | — | — |
| May 28, 2026 | Sonya C Little | MOS | Option Exercise | 4,873 | — | — |
45 more transactions hidden
Free account · No credit card required
Building something? Get API access →
Query this yourself
The same rows, over the API.
curl "https://api.form4api.com/v1/transactions?ticker=MOS" \
-H "X-Api-Key: $KEY"Top insiders
By total value filed.
Institutional Ownership
Top 13F-HR holders of Mosaic Co as of 2026-06-30
Data source: quarterly 13F-HR filings: institutional holders report positions within 45 days of quarter end. Joined with insider activity above: see who's loading up institutionally while insiders are trading. Full 13F-HR API →