Byron Donalds bought Regeneron Pharmaceuticals Inc (NASDAQ: REGN)
Byron Donalds (R-FL), a U.S. Representative, has disclosed 4 trades in Regeneron Pharmaceuticals Inc (REGN) since 2021, 2 purchases and 2 sales, worth an estimated $32K in disclosed volume (the midpoint of the dollar ranges members report, not exact amounts).
The trade highlighted here is a purchase: Byron Donalds bought $1,001 - $15,000 of Regeneron Pharmaceuticals Inc (NASDAQ: REGN) on October 5, 2021. Since that trade, REGN is up +35.13% against the S&P 500 up +82.18%, an outperformance of -47.05%.
Across these filings, Byron Donalds has been a balanced trader of REGN (a buy-to-sell ratio of 1.00). The most recent disclosed REGN transaction shown was dated April 10, 2025. Each row in the table below links to that trade and its post-trade performance versus the market.
Data updated
Byron Donalds's REGN trades vs the price
REGN is up +35.13% since Byron Donalds bought on October 5, 2021, versus +82.18% for the S&P 500.
Performance since this trade
All Byron Donalds REGN trades
| Traded | Type | Size | Return | Est. profit | |
|---|---|---|---|---|---|
| April 10, 2025 | SELL | $542.61 | +36.07% | — | |
| April 10, 2025 | SELL | $542.61 | +36.07% | — | |
| October 5, 2021 | BUY | $546.39 | +35.13% | +$3K | |
| October 5, 2021 | BUY | $546.39 | +35.13% | +$3K |
Estimated profit is shown for buys only, marked to the latest close. It is an estimate and does not net later sells, taxes, or fees.
Byron Donalds & REGN trading FAQ
Is it legal for Byron Donalds to trade Regeneron Pharmaceuticals Inc (REGN) stock?
Yes. Members of Congress are allowed to trade individual stocks, including Regeneron Pharmaceuticals Inc (REGN), but the STOCK Act of 2012 requires them to publicly disclose each transaction within 45 days. Quantellect tracks those disclosures; this page does not imply the trade was improper.
When did Byron Donalds buy REGN?
Byron Donalds disclosed a purchase of $1,001 - $15,000 of Regeneron Pharmaceuticals Inc (REGN) on October 5, 2021, according to public STOCK Act filings.
How has REGN performed since Byron Donalds's trade?
Since Byron Donalds bought REGN on October 5, 2021, the stock is up +35.13%, versus +82.18% for the S&P 500 over the same period, an outperformance of -47.05%.
How many times has Byron Donalds traded REGN?
Byron Donalds has disclosed 4 REGN trades since 2021 (2 purchases and 2 sales). Every disclosed trade is listed on this page.
How soon must members of Congress disclose a trade?
Under the STOCK Act, members of Congress must publicly report a covered transaction within 45 days of the trade. Filings can still be delayed, amended, or contain errors.
Where can I see all congressional REGN trades?
Quantellect tracks every disclosed congressional trade in Regeneron Pharmaceuticals Inc (REGN) on the Regeneron Pharmaceuticals Inc congressional trading page, which aggregates filings across all members of Congress.
Byron Donalds's REGN tradesAll congressional filings for Regeneron Pharmaceuticals IncByron Donalds's full profile
Not investment advice. Congressional trading data is sourced from public STOCK Act disclosures, which are filed with a delay and may contain errors or be revised. Estimated prices and post-trade returns are derived algorithmically from public filings and end-of-day market data and describe historical activity, not a recommendation. Always do your own research and consult a licensed financial advisor before making investment decisions.