Insider · SEC Form 4 filer

Patrick Heron

Past buys: 4 of 6 beat

Companies

Where they file as an insider

Arcutis Biotherapeutics (ARQT) Director Latest filing Jun 5, 2026
Mirum Pharmaceuticals (MIRM) Director Latest filing Jan 23, 2026
HilleVax (HLVX) Director Latest filing Jun 23, 2025
MBX Biosciences (MBX) Director, 10% owner Latest filing Sep 16, 2024

Track record

Did their buys beat the typical stock?

Open-market buys25
Quarters checked 6 months later6
Beat the typical stock 4 of 6
Quarters too new to check0

4 of 6 checked quarters beat the typical stock. A past record is data, not a forecast.

Mirum Pharmaceuticals (MIRM) Bought Jan 23, 2026 · $9M · 131,425 shares Behind typical Mar 31, 2026 $92.38 → Sep 30, 2026 $85.48 · −7.5% (typical stock +1.7%)
Arcutis Biotherapeutics (ARQT) Bought May 9–Jun 13, 2025 · $373K · 27,448 shares Beat typical Jun 30, 2025 $14.02 → Dec 31, 2025 $29.04 · +107.1% (typical stock +2.1%)
Mirum Pharmaceuticals (MIRM) Bought Mar 4–17, 2025 · $280K · 6,364 shares Beat typical Mar 31, 2025 $45.05 → Sep 30, 2025 $73.31 · +62.7% (typical stock +7.3%)
MBX Biosciences (MBX) Bought Sep 16, 2024 · $10M · 625,000 shares Not counted Not counted. We have no fund price for this stock on both Sep 30, 2024 and Mar 31, 2025.
Mirum Pharmaceuticals (MIRM) Bought Sep 6–18, 2024 · $13.9K · 345 shares Beat typical Sep 30, 2024 $39.00 → Mar 31, 2025 $45.05 · +15.5% (typical stock −7.5%)
Arcutis Biotherapeutics (ARQT) Bought Mar 4, 2024 · $200K · 21,052 shares Behind typical Mar 31, 2024 $9.91 → Sep 30, 2024 $9.30 · −6.2% (typical stock +3.2%)
Mirum Pharmaceuticals (MIRM) Bought Nov 9, 2023 · $82.4K · 2,910 shares Beat typical Dec 31, 2023 $29.52 → Jun 30, 2024 $34.19 · +15.8% (typical stock −1.2%)

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