Regeneron Pharmaceuticals (REGN): Congress and insider trades

Who in Congress and inside the company traded REGN, when each filing appeared, and what buying after each one would have earned against the S&P 500.

Key Facts

  • Regeneron Pharmaceuticals (REGN) is a listed stock on NASDAQ.
  • 12 members of Congress filed 35 buys and 37 sells of REGN, the latest published 2026-08-12 (12 August 2026).
  • Insiders filed 0 open market buys worth $0 and 8 sells worth $3.6M, the latest filed 2026-09-03 (3 September 2026).
  • Across 29 scored buys, Congress averaged -1.3% against the S&P 500 (SPY) over the 90 days after disclosure, with 38% of them ahead of the index. That result is not distinguishable from luck.
  • Data as of 2026-09-29 (29 September 2026).
Congress buys 35 12 members
Congress sells 37
Insider buys 0 $0
Insider sells 8 $3.6M
Congress buys vs S&P, 90d -1.3% 29 scored buys
Insider buys vs S&P, 90d n/a 0 scored buys

Congress trades in REGN

as of 2026-08-12
  1. Ro Khanna38 trades
  2. Josh Gottheimer11 trades
  3. Diana Harshbarger6 trades
  4. Don Beyer4 trades
  5. Gil Cisneros3 trades
  6. Tommy Tuberville3 trades
  7. Byron Donalds2 trades
  8. Jefferson Shreve1 trade
Congress trades in REGN, newest first.
FiledMemberTypeSizeDays to file90 day vs S&P
12 Aug 2026 Ro Khanna (D-CA) buy 1K–15K 31 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
8 Jul 2026 Ro Khanna (D-CA) sell 1K–15K 34 n/a
11 Jun 2026 Ro Khanna (D-CA) sell 1K–15K 39 n/a
11 Jun 2026 Ro Khanna (D-CA) sell 1K–15K 25 n/a
9 Jun 2026 Gil Cisneros (D-CA) sell 1K–15K 24 n/a
13 May 2026 Ro Khanna (D-CA) buy 1K–15K 28 +8.6%
13 Mar 2026 Julia Letlow (R-LA) buy 1K–15K 28 -30.2%
16 Dec 2025 Gil Cisneros (D-CA) buy 1K–15K 27 +1.2%
26 May 2025 Byron Donalds (R-FL) sell 1K–15K 44 n/a
26 May 2025 Byron Donalds (R-FL) sell 1K–15K 44 n/a
15 May 2025 Ro Khanna (D-CA) buy 1K–15K 33 -13.5%
15 May 2025 Julie Johnson (D-TX) sell 1K–15K 43 n/a
15 May 2025 Ro Khanna (D-CA) sell 1K–15K 27 n/a
9 May 2025 Jefferson Shreve (R-IN) sell 15K–50K 31 n/a
10 Nov 2023 Ro Khanna (D-CA) sell 1K–15K 37 n/a
18 Sep 2023 Josh Gottheimer (D-NJ) buy 1K–15K 26 -5.4%
7 Sep 2023 Ro Khanna (D-CA) buy 1K–15K 8 -1.0%
7 Sep 2023 Ro Khanna (D-CA) sell 1K–15K 34 n/a
24 Aug 2023 Josh Gottheimer (D-NJ) buy 1K–15K 41 -7.5%
9 Aug 2023 Ro Khanna (D-CA) sell 1K–15K 10 n/a
12 Jul 2023 Ro Khanna (D-CA) buy 1K–15K 15 +18.6%
12 Jul 2023 Ro Khanna (D-CA) buy 1K–15K 12 +18.6%
12 Jul 2023 Josh Gottheimer (D-NJ) sell 1K–15K 19 n/a
10 Jul 2023 Jonathan Jackson (D-IL) buy 15K–50K 14 +18.0%
14 Jun 2023 Ro Khanna (D-CA) buy 1K–15K 24 +4.3%
12 May 2023 Tommy Tuberville (R-AL) buy 1K–15K 39 -0.8%
10 May 2023 Ro Khanna (D-CA) sell 1K–15K 28 n/a
20 Apr 2023 Josh Gottheimer (D-NJ) sell 1K–15K 45 n/a
12 Apr 2023 Ro Khanna (D-CA) sell 15K–50K 24 n/a
10 Mar 2023 Ro Khanna (D-CA) buy 15K–50K 26 -12.8%
9 Feb 2023 Ro Khanna (D-CA) sell 15K–50K 29 n/a
4 Jan 2023 Ro Khanna (D-CA) buy 15K–50K 28 +6.2%
7 Dec 2022 Ro Khanna (D-CA) sell 15K–50K 33 n/a
11 Nov 2022 Josh Gottheimer (D-NJ) buy 1K–15K 22 -1.6%
17 Oct 2022 Josh Gottheimer (D-NJ) buy 1K–15K 34 -7.9%
12 Oct 2022 Ro Khanna (D-CA) buy 1K–15K 31 -14.2%
9 Sep 2022 Ro Khanna (D-CA) buy 1K–15K 38 +9.4%
12 Aug 2022 Ro Khanna (D-CA) sell 1K–15K 21 n/a
11 Jul 2022 Ro Khanna (D-CA) sell 1K–15K 20 n/a
17 Jun 2022 Josh Gottheimer (D-NJ) buy 1K–15K 42 +17.7%
15 Jun 2022 Ro Khanna (D-CA) buy 1K–15K 31 +17.2%
8 Apr 2022 Tommy Tuberville (R-AL) sell 1K–15K 9 n/a
11 Mar 2022 Ro Khanna (D-CA) buy 1K–15K 19 -6.7%
4 Mar 2022 Don Beyer (D-VA) sell 1K–15K 3 n/a
9 Feb 2022 Ro Khanna (D-CA) sell 1K–15K 18 n/a
10 Jan 2022 Ro Khanna (D-CA) sell 1K–15K 31 n/a
8 Dec 2021 Ro Khanna (D-CA) buy 1K–15K 35 +1.7%
8 Dec 2021 Ro Khanna (D-CA) buy 1K–15K 28 +1.7%
10 Nov 2021 Ro Khanna (D-CA) buy 1K–15K 33 -0.1%
15 Oct 2021 Ro Khanna (D-CA) sell 1K–15K 16 n/a
2 Oct 2021 Don Beyer (D-VA) buy 1K–15K 14 +2.5%
16 Sep 2021 Ro Khanna (D-CA) buy 1K–15K 40 -8.8%
16 Sep 2021 Ro Khanna (D-CA) buy 1K–15K 22 -8.8%
16 Sep 2021 Ro Khanna (D-CA) sell 1K–15K 29 n/a
28 Aug 2021 Diana Harshbarger (R-TN) sell 1K–15K 218 n/a
28 Aug 2021 Diana Harshbarger (R-TN) sell 1K–15K 218 n/a
28 Aug 2021 Diana Harshbarger (R-TN) sell 1K–15K 218 n/a
17 Aug 2021 Diana Harshbarger (R-TN) sell 1K–15K 207 n/a
17 Aug 2021 Diana Harshbarger (R-TN) sell 1K–15K 207 n/a
17 Aug 2021 Diana Harshbarger (R-TN) sell 1K–15K 207 n/a
10 Aug 2021 Josh Gottheimer (D-NJ) sell 1K–15K 39 n/a
8 Aug 2021 Don Beyer (D-VA) buy 1K–15K 17 -6.7%
24 Jul 2021 Tommy Tuberville (R-AL) buy 1K–15K 116 -4.0%
5 Jul 2021 Don Beyer (D-VA) buy 1K–15K 17 -3.9%
16 Jun 2021 Josh Gottheimer (D-NJ) sell 1K–15K 29 n/a
10 Feb 2021 Josh Gottheimer (D-NJ) buy 1K–15K 29 -0.7%
16 Jan 2021 Ro Khanna (D-CA) sell 1K–15K 28 n/a
12 Jan 2021 Gil Cisneros (D-CA) buy 1K–15K 20 -15.9%
8 Jan 2021 Josh Gottheimer (D-NJ) sell 1K–15K 27 n/a
17 Dec 2020 Ro Khanna (D-CA) sell 1K–15K 43 n/a

Insider trades in REGN

as of 2026-09-03
Open market insider trades in REGN, newest first.
FiledInsiderTypeSharesPriceValue90 day vs S&P
3 Sep 2026 McCourt Marion sell 1,215 $850.00 $1.0M n/a
3 Sep 2026 McCourt Marion sell 1,131 $857.39 $970K n/a
3 Sep 2026 Guarini Kathryn sell 400 $850.00 $340K n/a
12 Aug 2026 Guarini Kathryn sell 400 $800.00 $320K n/a
12 Aug 2026 Zoghbi Huda Y sell 800 $800.00 $640K n/a
7 Jul 2026 RYAN ARTHUR F sell 200 $650.15 $130K n/a
4 May 2026 RYAN ARTHUR F sell 100 $705.24 $70.5K n/a
3 Apr 2026 RYAN ARTHUR F sell 100 $777.27 $77.7K n/a

Frequently asked questions

Who has bought REGN?

35 Congress buys by 12 members and 0 insider buys are on file. The tables on this page list every one.

Did buying REGN after a disclosure beat the market?

Across 29 scored buys, Congress averaged -1.3% against the S&P 500 (SPY) over the 90 days after disclosure, with 38% 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.