Insider · SEC Form 4 filer

Marta Stewart

Past buys: 8 of 9 beat

Companies

Where they file as an insider

Simon Property Group (SPG) Director Latest filing Sep 30, 2026
Sherwin Williams (SHW) Director Latest filing Feb 17, 2026

Track record

Did their buys beat the typical stock?

Open-market buys16
Quarters checked 6 months later9
Beat the typical stock 8 of 9
Quarters too new to check2

8 of 9 checked quarters beat the typical stock. A past record is data, not a forecast.

Simon Property Group (SPG) Bought Sep 30, 2026 · $40.4K · 199 shares Too new Too new. Its 6-month check uses prices as of Mar 31, 2027.
Simon Property Group (SPG) Bought Jun 30, 2026 · $40.6K · 182 shares Too new Too new. Its 6-month check uses prices as of Dec 31, 2026.
Simon Property Group (SPG) Bought Mar 31, 2026 · $36K · 196 shares Beat typical Mar 31, 2026 $186.53 → Sep 30, 2026 $200.76 · +7.6% (typical stock +1.7%)
Simon Property Group (SPG) Bought Dec 31, 2025 · $35.7K · 192 shares Beat typical Dec 31, 2025 $185.11 → Jun 30, 2026 $223.65 · +20.8% (typical stock +4.7%)
Simon Property Group (SPG) Bought Aug 14–Sep 30, 2025 · $41.8K · 228 shares Beat typical Sep 30, 2025 $187.67 → Mar 31, 2026 $186.53 · −0.6% (typical stock −3.4%)
Simon Property Group (SPG) Bought Jun 30, 2025 · $33.1K · 208 shares Beat typical Jun 30, 2025 $160.76 → Dec 31, 2025 $185.11 · +15.1% (typical stock +2.1%)
Simon Property Group (SPG) Bought Mar 31, 2025 · $30.3K · 184 shares Beat typical Mar 31, 2025 $166.08 → Sep 30, 2025 $187.67 · +13.0% (typical stock +7.3%)
Simon Property Group (SPG) Bought Dec 30, 2024 · $29.8K · 177 shares Behind typical Dec 31, 2024 $172.21 → Jun 30, 2025 $160.76 · −6.6% (typical stock −3.4%)
Simon Property Group (SPG) Bought Sep 30, 2024 · $28.8K · 172 shares Beat typical Sep 30, 2024 $169.02 → Mar 31, 2025 $166.08 · −1.7% (typical stock −7.5%)
Simon Property Group (SPG) Bought Apr 1–Jun 28, 2024 · $51.7K · 340 shares Beat typical Jun 30, 2024 $151.80 → Dec 31, 2024 $172.21 · +13.4% (typical stock +3.9%)
Simon Property Group (SPG) Bought Dec 29, 2023 · $23.2K · 161 shares Beat typical Dec 31, 2023 $142.64 → Jun 30, 2024 $151.80 · +6.4% (typical stock −1.2%)
Simon Property Group (SPG) Bought Sep 29, 2023 · $22.9K · 208 shares Not counted Not counted. We have no fund price for this stock on both Sep 30, 2023 and Mar 31, 2024.

Each row is one stock in one quarter, however many buys it took. We take the stock's price at the end of that quarter and again 6 months later, and compare it with the typical stock over the same dates. Prices are quarter-end values from funds' 13F reports (the middle value across 3 or more funds), through Sep 30, 2026. Moves past 3 times up or down, mostly stock splits, are left out. How we tested this.

Past results. This is data, not advice.

Where this data comes from. Insider trades, fund holdings, activist stakes and company results come from public SEC EDGAR filings (Forms 4, 13F, 13D/13G, 10-Q and 8-K). Congress trades come from the STOCK Act reports members file with the House Clerk and the Senate. Daily closing prices come from post-no-preference/stocks on DoltHub, a community-run database shared under CC BY-SA 4.0; the prices we show stay under that license. They are each day's close, not live or official exchange prices.

This is data, not investment advice. About StockToast · Your watchlist