Mosaic Company (MOS): Congress and insider trades
Who in Congress and inside the company traded MOS, when each filing appeared, and what buying after each one would have earned against the S&P 500.
Key Facts
- Mosaic Company (MOS) is a listed stock on NYSE.
- 8 members of Congress filed 21 buys and 13 sells of MOS, the latest published 2026-08-12 (12 August 2026).
- Across 14 scored buys, Congress averaged -5.0% against the S&P 500 (SPY) over the 90 days after disclosure, with 29% of them ahead of the index. That result is not distinguishable from luck.
- Data as of 2026-09-29 (29 September 2026).
Congress trades in MOS
as of 2026-08-12| Filed | Member | Type | Size | Days to file | 90 day vs S&P |
|---|---|---|---|---|---|
| 12 Aug 2026 | Ro Khanna (D-CA) | buy | 1K–15K | 31 | n/a |
| 12 Aug 2026 | Ro Khanna (D-CA) | buy | 1K–15K | 18 | n/a |
| 21 Jul 2026 | Alan Armstrong (R-OK) | buy | 1K–15K | 116 | n/a |
| 8 Jul 2026 | Ro Khanna (D-CA) | buy | 1K–15K | 20 | n/a |
| 11 Jun 2026 | Ro Khanna (D-CA) | sell | 1K–15K | 25 | n/a |
| 11 Jun 2026 | Ro Khanna (D-CA) | sell | 1K–15K | 13 | n/a |
| 13 May 2026 | Ro Khanna (D-CA) | buy | 1K–15K | 28 | -2.9% |
| 11 May 2026 | Gil Cisneros (D-CA) | sell | 1K–15K | 24 | n/a |
| 9 Apr 2026 | Ro Khanna (D-CA) | buy | 1K–15K | 15 | -26.3% |
| 16 Feb 2026 | Gil Cisneros (D-CA) | buy | 1K–15K | 35 | -34.2% |
| 15 May 2025 | Ro Khanna (D-CA) | buy | 1K–15K | 19 | -17.1% |
| 14 Aug 2023 | Daniel S. Goldman (D-NY) | sell | 1K–15K | 45 | n/a |
| 14 Aug 2023 | Daniel S. Goldman (D-NY) | sell | 1K–15K | 32 | n/a |
| 14 Jun 2023 | Ro Khanna (D-CA) | buy | 1K–15K | 24 | +4.7% |
| 22 May 2023 | Daniel S. Goldman (D-NY) | sell | 1K–15K | 39 | n/a |
| 22 May 2023 | Daniel S. Goldman (D-NY) | buy | 1K–15K | 39 | +5.0% |
| 10 May 2023 | Ro Khanna (D-CA) | sell | 1K–15K | 28 | n/a |
| 17 Apr 2023 | Daniel S. Goldman (D-NY) | buy | 1K–15K | 47 | -31.4% |
| 12 Apr 2023 | Ro Khanna (D-CA) | buy | 1K–15K | 24 | -31.1% |
| 10 Mar 2023 | Ro Khanna (D-CA) | sell | 1K–15K | 26 | n/a |
| 1 Mar 2023 | Tom Carper (D-DE) | buy | 1K–15K | 8 | -48.7% |
| 7 Dec 2022 | Ro Khanna (D-CA) | sell | 1K–15K | 33 | n/a |
| 7 Dec 2022 | Virginia Foxx (R-NC) | sell | 15K–50K | 0 | n/a |
| 9 Sep 2022 | Virginia Foxx (R-NC) | buy | 15K–50K | 34 | -6.6% |
| 9 Sep 2022 | Virginia Foxx (R-NC) | buy | 1K–15K | 38 | -6.6% |
| 9 Sep 2022 | Virginia Foxx (R-NC) | buy | 1K–15K | 35 | -6.6% |
| 9 Sep 2022 | Ro Khanna (D-CA) | buy | 1K–15K | 16 | -6.6% |
| 8 Aug 2022 | Virginia Foxx (R-NC) | buy | 1K–15K | 8 | -0.1% |
| 8 Aug 2022 | Virginia Foxx (R-NC) | buy | 1K–15K | 7 | -0.1% |
| 3 Feb 2022 | Tom Carper (D-DE) | buy | 1K–15K | 16 | +55.5% |
| 10 Jan 2022 | Ro Khanna (D-CA) | sell | 1K–15K | 24 | n/a |
| 8 Dec 2021 | Ro Khanna (D-CA) | buy | 1K–15K | 28 | +69.9% |
| 17 Mar 2021 | Peter Meijer (R-MI) | sell | 1K–15K | 28 | n/a |
| 4 Dec 2020 | Katherine Clark (D-MA) | sell | 1K–15K | 42 | n/a |
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Related pages
Frequently asked questions
Who has bought MOS?
21 Congress buys by 8 members and 0 insider buys are on file. The tables on this page list every one.
Did buying MOS after a disclosure beat the market?
Across 14 scored buys, Congress averaged -5.0% against the S&P 500 (SPY) over the 90 days after disclosure, with 29% of them ahead of the index. That result is not distinguishable from luck. A single stock is a small sample.
Sources: Congressional trades: STOCK Act disclosures, collected from CapitolTrades. Insider trades: SEC Form 4 filings, collected from Finviz. Prices: Yahoo Finance daily adjusted closes. Data as of 2026-09-29 (29 September 2026). About these sources.
Not investment advice. Past disclosed trades do not predict future returns. Disclosures are published late, so the trades shown are ones you could only have copied after the fact. Talk to a licensed adviser before you invest.