// company-profile
Mosaic Co
MOSExchangeNYSESectorAgricultural ChemicalsFilings116Insiders24
// api This Mosaic Co insider-trading data is served live by the Form4API insider trading API. Get the same data via API.
// activity-summary
Recent insider activity is bullish. Over the last 30 days, 33 insiders purchased shares. Buying was led by Koenig Emery N..
// 90-day insight
Over the last 90 days, Mosaic Co insiders bought $0 across 33 transactions with no open-market sales.
- Most active insider: Koenig Emery N. with 3 transactions totaling $0.
Activity skews bullish — buys outpace sales.
Institutional Ownership
Top 13F-HR holders of Mosaic Co as of 2026-03-31
Total reported AUM
$6.77B
QoQ change
+6.1%
Reporting period
2026-03-31
#1
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
$526.2M
20.6M shares
#2
FMR LLC
CIK 315066
$417.8M
16.4M shares
#3
DIMENSIONAL FUND ADVISORS LP
CIK 354204
$343.9M
13.5M shares
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| May 28, 2026 | Koenig Emery N. | MOS | Award | 7,273 | $0.00 | $0K |
| May 28, 2026 | WESTBROOK KELVIN R | MOS | Option Exercise | 2,437 | $0.00 | $0K |
| May 28, 2026 | Little Sonya C | MOS | Award | 7,273 | $0.00 | $0K |
| May 28, 2026 | Koenig Emery N. | MOS | Option Exercise | 4,873 | $0.00 | $0K |
| May 28, 2026 | Watkins Gretchen H | MOS | Award | 7,273 | $0.00 | $0K |
45 more transactions hidden
Free account · No credit card required
Building something? Get API access →
Popular companies on Form4API
Browse insider trading activity for other actively-filed companies.