REGNRegeneron Pharmaceuticals, Inc.
Healthcare · BiotechnologyNasdaqStockMkt cap $83.8B
Disclosed trades
69
0 in 30d · 0 in 90d
Politicians
16
Last trade May 15, 2026
Buys
25
$316K at range midpoints
Sells
42
$476.5K at range midpoints
Closing price · 365 days
Nov 6, 2025 – Nov 5, 2026
Monthly buys vs sells · 24 months
Counts of disclosed transactions
- Buys
- Sells (incl. partial)
Politicians who traded it
9 hold it now Estimated
| Politician | Seat | Trades | Buys | Sells | Bought (mid) | Sold (mid) | Last trade | Est. position Estimated |
|---|---|---|---|---|---|---|---|---|
| DJosh Gottheimer | House · NJ-05 | 19 | 7 | 12 | $56K | $96K | Jan 24, 2025 | — |
| RDiana Harshbarger | House · TN-01 | 7 | 0 | 7 | $0 | $56K | Jan 21, 2021 | — |
| DDonald S. Beyer, Jr. | House · VA-08 | 7 | 4 | 3 | $32K | $24K | Feb 28, 2022 | $25.3K |
| DThomas R. Suozzi | House · NY-03 | 5 | 2 | 3 | $107.5K | $115.5K | Sep 16, 2019 | — |
| RTommy Tuberville | Senate · AL | 5 | 3 | 2 | $24K | $16K | Apr 4, 2024 | $5.6K |
| RByron Donalds | House · FL-19 | 4 | 0 | 2 | $0 | $16K | Apr 10, 2025 | — |
| DJonathan L. Jackson | House · IL-01 | 4 | 2 | 2 | $40.5K | $40.5K | Nov 13, 2024 | $363 |
| DGilbert Ray Cisneros, Jr. | House · CA-31 | 3 | 2 | 1 | $16K | $8K | May 15, 2026 | $14.4K |
| DJulie Johnson | House · TX-32 | 3 | 1 | 2 | $8K | $16K | Apr 1, 2025 | — |
| DMikie Sherrill | House · NJ-11 | 3 | 1 | 2 | $8K | $16K | Feb 20, 2020 | $389 |
| RRobert P. Bresnahan, Jr. | House · PA-08 | 3 | 1 | 2 | $8K | $16K | May 15, 2025 | $12.3K |
| DDean Phillips | House · MN-03 | 2 | 0 | 2 | $0 | $16K | May 13, 2020 | — |
| DGreg Landsman | House · OH-01 | 2 | 1 | 1 | $8K | $8K | Oct 15, 2024 | $1.8K |
| RAlan Armstrong | Senate · OK | 1 | 1 | 0 | $8K | $0 | Mar 27, 2026 | $9.8K |
| RJefferson Shreve | House · IN-06 | 1 | 0 | 1 | $0 | $32.5K | Apr 7, 2025 | — |
| RJulia Letlow | House · LA-05 | 1 | 1 | 0 | $8K | $0 | Feb 12, 2026 | $9.2K |
Recent trades
| Politician | Ticker | Asset | Type | Owner | Amount | vs S&P Estimated | Traded | Filed | Source |
|---|---|---|---|---|---|---|---|---|---|
| RAlan Armstrong | REGN | Regeneron Pharmaceuticals, Inc. - Common Stock | Buy | Self | $1,001 - $15,000 | +35.8% | Mar 27, 2026 | Jul 21, 2026116d | Filing |
| DGilbert Ray Cisneros, Jr. | REGN | Regeneron Pharmaceuticals, Inc. - Common Stock (REGN) | Sell | Self | $1,001 - $15,000 | -48.5% | May 15, 2026 | Jun 8, 202624d | Filing |
| RJulia Letlow | REGN | Regeneron Pharmaceuticals, Inc. - Common Stock (REGN) | Buy | Self | $1,001 - $15,000 | +10.9% | Feb 12, 2026 | Mar 12, 202628d | Filing |
| DGilbert Ray Cisneros, Jr. | REGN | Regeneron Pharmaceuticals, Inc. - Common Stock (REGN) | Buy | Self | $1,001 - $15,000 | +12.3% | Nov 18, 2025 | Dec 15, 202527d | Filing |
| RRobert P. Bresnahan, Jr. | REGN | Regeneron Pharmaceuticals, Inc. - Common Stock (REGN) | Buy | Self | $1,001 - $15,000 | +52.2% | May 15, 2025 | Jun 9, 202525d | Filing |
| RByron Donalds | REGN | Regeneron Pharmaceuticals, Inc. - Common Stock (REGN) | Sell | Spouse | $1,001 - $15,000 | -25.7% | Apr 10, 2025 | May 24, 202544d | Filing |
| RByron Donalds | REGN | Regeneron Pharmaceuticals, Inc. - Common Stock (REGN) | Sell | Self | $1,001 - $15,000 | -25.7% | Apr 10, 2025 | May 24, 202544d | Filing |
| DJulie Johnson | REGN | Regeneron Pharmaceuticals, Inc. - Common Stock (REGN) | Sell | Joint | $1,001 - $15,000 | -33.3% | Apr 1, 2025 | May 14, 202543d | Filing |
| RRobert P. Bresnahan, Jr. | REGN | Regeneron Pharmaceuticals, Inc. - Common Stock (REGN) | Sell | Self | $1,001 - $15,000 | -35.1% | Apr 8, 2025 | May 8, 202530d | Filing |
| RJefferson Shreve | REGN | Regeneron Pharmaceuticals, Inc. - Common Stock (REGN) | Sell | Self | $15,001 - $50,000 | -35.1% | Apr 7, 2025 | May 8, 202531d | Filing |
| RRobert P. Bresnahan, Jr. | REGN | Regeneron Pharmaceuticals, Inc. - Common Stock (REGN) | Sell | Self | $1,001 - $15,000 | -12.7% | Feb 25, 2025 | Mar 27, 202530d | Filing |
| DJulie Johnson | REGN | Regeneron Pharmaceuticals, Inc. - Common Stock (REGN) | Partial | Joint | $1,001 - $15,000 | +0.2% | Feb 12, 2025 | Mar 12, 202528d | Filing |
| DJulie Johnson | REGN | Regeneron Pharmaceuticals, Inc. - Common Stock (REGN) | Buy | Joint | $1,001 - $15,000 | +14.5% | Jan 15, 2025 | Feb 12, 202528d | Filing |
| DJosh Gottheimer | REGN | Regeneron Pharmaceuticals, Inc. - Common Stock (REGN) | Sell | Joint | $1,001 - $15,000 | -9.6% | Jan 24, 2025 | Feb 10, 202517d | Filing |
| DJonathan L. Jackson | REGN | Regeneron Pharmaceuticals, Inc. - Common Stock (REGN) | Sell | Joint | $15,001 - $50,000 | -0.6% | Nov 13, 2024 | Dec 12, 202429d | Filing |
| DJonathan L. Jackson | REGN | Regeneron Pharmaceuticals, Inc. - Common Stock (REGN) | Partial | Joint | $1,001 - $15,000 | -0.6% | Nov 1, 2024 | Dec 12, 202441d | Filing |
| DJosh Gottheimer | REGN | Regeneron Pharmaceuticals, Inc. - Common Stock (REGN) | Partial | Joint | $1,001 - $15,000 | +3.2% | Nov 29, 2024 | Dec 5, 20246d | Filing |
| DJosh Gottheimer | REGN | Regeneron Pharmaceuticals, Inc. - Common Stock (REGN) | Partial | Joint | $1,001 - $15,000 | +3.2% | Nov 19, 2024 | Dec 5, 202416d | Filing |
| DGreg Landsman | REGN | Regeneron Pharmaceuticals, Inc. - Common Stock (REGN) | Sell | Spouse | $1,001 - $15,000 | +8.2% | Oct 15, 2024 | Nov 14, 202430d | Filing |
| RByron Donalds | REGN | Regeneron Pharmaceuticals (REGN) | UnknownReview | Spouse | $1,001 - $15,000 | — | Oct 5, 2021 | Nov 8, 20241130d | FilingOCR |
| RByron Donalds | REGN | Regeneron Pharnaceuticals (REGN) | UnknownReview | Self | $1,001 - $15,000 | — | Oct 5, 2021 | Nov 8, 20241130d | FilingOCR |
| DJosh Gottheimer | REGN | Regeneron Pharmaceuticals, Inc. - Common Stock (REGN) | Partial | Joint | $1,001 - $15,000 | +13.5% | Oct 23, 2024 | Nov 6, 202414d | Filing |
| DJosh Gottheimer | REGN | Regeneron Pharmaceuticals, Inc. - Common Stock (REGN) | Partial | Joint | $1,001 - $15,000 | +55.7% | Jul 1, 2024 | Aug 15, 202445d | Filing |
| DGreg Landsman | REGN | Regeneron Pharmaceuticals, Inc. - Common Stock (REGN) | Buy | Spouse | $1,001 - $15,000 | -56.8% | Aug 11, 2023 | Aug 14, 2024369d | Filing |
| RTommy Tuberville | REGN | Regeneron Pharmaceuticals, Inc. - Common Stock | Sell | Joint | $1,001 - $15,000 | +46.1% | Apr 4, 2024 | May 15, 202441d | Filing |
| DJosh Gottheimer | REGN | Regeneron Pharmaceuticals, Inc. - Common Stock (REGN) | Partial | Joint | $1,001 - $15,000 | +49.6% | Feb 8, 2024 | Mar 7, 202428d | Filing |
| DJonathan L. Jackson | REGN | Regeneron Pharmaceuticals, Inc. - Common Stock (REGN) | Buy | Joint | $1,001 - $15,000 | -51.4% | Jan 17, 2024 | Feb 15, 202429d | Filing |
| DJosh Gottheimer | REGN | Regeneron Pharmaceuticals, Inc. (REGN) | Partial | Joint | $1,001 - $15,000 | +51.8% | Nov 13, 2023 | Dec 8, 202325d | Filing |
| DJosh Gottheimer | REGN | Regeneron Pharmaceuticals, Inc. (REGN) | Buy | Joint | $1,001 - $15,000 | -55.7% | Aug 21, 2023 | Sep 16, 202326d | Filing |
| DJosh Gottheimer | REGN | Regeneron Pharmaceuticals, Inc. (REGN) | Buy | Joint | $1,001 - $15,000 | -59.9% | Jul 11, 2023 | Aug 21, 202341d | Filing |
| DJosh Gottheimer | REGN | Regeneron Pharmaceuticals, Inc. (REGN) | Partial | Joint | $1,001 - $15,000 | +39.7% | Jun 22, 2023 | Jul 11, 202319d | Filing |
| DJonathan L. Jackson | REGN | Regeneron Pharmaceuticals, Inc. (REGN) | Buy | Joint | $15,001 - $50,000 | -36.8% | Jun 23, 2023 | Jul 7, 202314d | Filing |
| RTommy Tuberville | REGN | Regeneron Pharmaceuticals, Inc. - Common Stock | BuyRestated | Joint | $1,001 - $15,000 | -56.8% | Apr 3, 2023 | May 12, 202339d | Filing |
| RTommy Tuberville | REGN | Regeneron Pharmaceuticals, Inc. - Common Stock | Buy | Joint | $1,001 - $15,000 | -56.8% | Apr 3, 2023 | May 11, 202338d | Filing |
| DJosh Gottheimer | REGN | Regeneron Pharmaceuticals, Inc. (REGN) | Partial | Joint | $1,001 - $15,000 | +64.8% | Mar 6, 2023 | Apr 20, 202345d | Filing |
| DThomas R. Suozzi | REGN | Regeneron Pharmaceuticals, Inc. (REGN) | Partial | Self | $1,001 - $15,000 | — | Aug 21, 2019 | Dec 19, 20221216d | Filing |
| DJosh Gottheimer | REGN | Regeneron Pharmaceuticals, Inc. (REGN) | Buy | Joint | $1,001 - $15,000 | -63.9% | Oct 19, 2022 | Nov 10, 202222d | Filing |
| DJosh Gottheimer | REGN | Regeneron Pharmaceuticals, Inc. (REGN) | Buy | Joint | $1,001 - $15,000 | -77.1% | Sep 12, 2022 | Oct 16, 202234d | Filing |
| DJosh Gottheimer | REGN | Regeneron Pharmaceuticals, Inc. (REGN) | Buy | Joint | $1,001 - $15,000 | -37.7% | May 5, 2022 | Jun 16, 202242d | Filing |
| RTommy Tuberville | REGN | Regeneron Pharmaceuticals, Inc. - Common Stock | Sell | Joint | $1,001 - $15,000 | +41.6% | Mar 30, 2022 | Apr 8, 20229d | Filing |
| DDonald S. Beyer, Jr. | REGN | Regeneron Pharmaceuticals, Inc. (REgN) | Sell | Joint | $1,001 - $15,000 | +20.5% | Feb 28, 2022 | Mar 3, 20223d | Filing |
| DDonald S. Beyer, Jr. | REGN | Regeneron Pharmaceuticals, Inc. (REgN) | Buy | Joint | $1,001 - $15,000 | -10.6% | Sep 17, 2021 | Oct 1, 202114d | Filing |
| DThomas R. Suozzi | REGN | Regeneron Pharmaceuticals, Inc. (REgN) | Sell | Self | $50,001 - $100,000 | — | Sep 16, 2019 | Sep 23, 2021738d | Filing |
| DThomas R. Suozzi | REGN | Regeneron Pharmaceuticals, Inc. (REgN) | Buy | Self | $50,001 - $100,000 | — | May 2, 2019 | Sep 23, 2021875d | Filing |
| DThomas R. Suozzi | REGN | Regeneron Pharmaceuticals, Inc. (REgN) | Sell | Self | $15,001 - $50,000 | — | Nov 7, 2018 | Sep 23, 20211051d | Filing |
| DThomas R. Suozzi | REGN | Regeneron Pharmaceuticals, Inc. (REgN) | Buy | Self | $15,001 - $50,000 | — | Nov 5, 2018 | Sep 23, 20211053d | Filing |
| RDiana Harshbarger | REGN | REGENERONPHARMACEUTICALS | SellReview | Unknown | $1,001 - $15,000 | +26.7% | Jan 21, 2021 | Aug 27, 2021218d | FilingOCR |
| RDiana Harshbarger | REGN | REGENERONPHARMACEUTICALS | SellReview | Unknown | $1,001 - $15,000 | +26.7% | Jan 21, 2021 | Aug 27, 2021218d | FilingOCR |
| RDiana Harshbarger | REGN | REGENERONPHARMACEUTICALS | SellReview | Self | $1,001 - $15,000 | +26.7% | Jan 21, 2021 | Aug 27, 2021218d | FilingOCR |
| RDiana Harshbarger | REGN | REGENERONPHARMACEUTICALS | SellReview | Spouse | $1,001 - $15,000 | +20.4% | Jan 21, 2021 | Aug 16, 2021207d | FilingOCR |
Insider activity Filed
Insiders
21
Pharmaceutical Preparations
Open-market buys · 90d
0
$0 bought
Open-market sells · 90d
54
$49M sold
Net · 90d
-$49M
-$54.4M net over 12 months · last Nov 3, 2026
| Date | Insider | Kind | Security | Shares | Price | Value | Post-holdings | D/I | 10b5-1 | Source |
|---|---|---|---|---|---|---|---|---|---|---|
| Nov 3, 2026filed Nov 5, 2026 | Andrew J MurphyCo-Chief Scientific Officer | Gift | Common Stock | −1,054 | $0.00 | $0 | 46,779 | D | — | 4 |
| Nov 3, 2026filed Nov 5, 2026 | Huda Y Zoghbi | Exercise | Non-Qualified Stock Option (right to buy)deriv. | −7,439 | $0.00 | — | 0 | D | — | 4 |
| Nov 3, 2026filed Nov 5, 2026 | Huda Y Zoghbi | Sale | Common Stock | −500 | $971.06 | $485,530 | 1,703 | D | — | 4 |
| Nov 3, 2026filed Nov 5, 2026 | Huda Y Zoghbi | Sale | Common Stock | −6,939 | $970.42 | $6,733,744 | 2,203 | D | — | 4 |
| Nov 3, 2026filed Nov 5, 2026 | Huda Y Zoghbi | Exercise | Common Stock | 7,439 | $380.95 | $2,833,887 | 9,142 | D | — | 4 |
| Nov 2, 2026filed Nov 4, 2026 | George L Sing | Exercise | Non-Qualified Stock Option (right to buy)deriv. | −7,439 | $0.00 | — | 0 | D | — | 4 |
| Nov 2, 2026filed Nov 4, 2026 | George L Sing | Exercise | Non-Qualified Stock Option (right to buy)deriv. | −7,830 | $0.00 | — | 0 | D | — | 4 |
| Nov 2, 2026filed Nov 4, 2026 | George L Sing | Sale | Common Stock | −200 | $970.18 | $194,036 | 25,147 | D | — | 4 |
| Nov 2, 2026filed Nov 4, 2026 | George L Sing | Sale | Common Stock | −1,040 | $967.07 | $1,005,753 | 25,347 | D | — | 4 |
| Nov 2, 2026filed Nov 4, 2026 | George L Sing | Sale | Common Stock | −1,522 | $966.27 | $1,470,663 | 26,387 | D | — | 4 |
Shares, prices and post-transaction holdings are exactly as reported on SEC Form 4. Net figures count open-market buys minus open-market sales only (awards, exercises, withholding and gifts are excluded).
Unusual activity Estimated
- 45Cluster sellPublic May 24, 2025 · traded Apr 1, 2025
4 members sold REGN within 14 days
Details
- Ticker
- REGN
- Side
- sell
- Window days
- 14
- Window start
- Apr 1, 2025
- Window end
- Apr 10, 2025
- N politicians
- 4
- N trades
- 5
- Sum of range midpoints (estimate)
- $64,503
- Has whale
- No
- Members
- Julie Johnson, Jefferson Shreve, Robert P. Bresnahan, Jr., Byron Donalds
- Tx ids
- 93,693, 94,126, 94,260, 93,488, 93,489
- Public from
- May 24, 2025
- Method version
- 2026-11-03
- 48Hindsight movePublic Apr 8, 2025 · traded Feb 25, 2025
REGN fell 23% in the 30 trading days after Rep. Robert P. Bresnahan, Jr.'s sale (hindsight)
Details
- Politician
- Robert P. Bresnahan, Jr.
- Ticker
- REGN
- Asset
- Regeneron Pharmaceuticals, Inc. - Common Stock (REGN)
- Tx type
- sell
- Traded
- Feb 25, 2025
- Filed
- Mar 27, 2025
- Amount low
- $1,001
- Amount high
- $15,000
- Range midpoint (estimate)
- $8,001
- Disclosed range
- $1,001 - $15,000
- Reporting lag days
- 30
- Owner type
- self
- Is whale
- No
- Entry date
- Feb 25, 2025
- Entry close
- 723.47
- Exit date
- Apr 8, 2025
- Exit close
- 556.81
- Forward return
- -23.0%
- Sign adjusted return
- +23.0%
- N trading days
- 30
- Hindsight
- Yes
- Measured from
- trade date
- Public from
- Apr 8, 2025
- Method version
- 2026-11-03
- 43Hindsight movePublic Dec 5, 2024 · traded Oct 23, 2024
REGN fell 18% in the 30 trading days after Rep. Josh Gottheimer (joint account)'s partial sale (hindsight)
Details
- Politician
- Josh Gottheimer
- Ticker
- REGN
- Asset
- Regeneron Pharmaceuticals, Inc. - Common Stock (REGN)
- Tx type
- partial_sale
- Traded
- Oct 23, 2024
- Filed
- Nov 6, 2024
- Amount low
- $1,001
- Amount high
- $15,000
- Range midpoint (estimate)
- $8,001
- Disclosed range
- $1,001 - $15,000
- Reporting lag days
- 14
- Owner type
- joint
- Is whale
- No
- Entry date
- Oct 23, 2024
- Entry close
- 941.39
- Exit date
- Dec 5, 2024
- Exit close
- 767.90
- Forward return
- -18.4%
- Sign adjusted return
- +18.4%
- N trading days
- 30
- Hindsight
- Yes
- Measured from
- trade date
- Public from
- Dec 5, 2024
- Method version
- 2026-11-03
- 51Hindsight movePublic Nov 26, 2024 · traded Oct 15, 2024
REGN fell 26% in the 30 trading days after Rep. Greg Landsman's spouse's sale (hindsight)
Details
- Politician
- Greg Landsman
- Ticker
- REGN
- Asset
- Regeneron Pharmaceuticals, Inc. - Common Stock (REGN)
- Tx type
- sell
- Traded
- Oct 15, 2024
- Filed
- Nov 14, 2024
- Amount low
- $1,001
- Amount high
- $15,000
- Range midpoint (estimate)
- $8,001
- Disclosed range
- $1,001 - $15,000
- Reporting lag days
- 30
- Owner type
- spouse
- Is whale
- No
- Entry date
- Oct 15, 2024
- Entry close
- 1,016.53
- Exit date
- Nov 26, 2024
- Exit close
- 753.03
- Forward return
- -25.9%
- Sign adjusted return
- +25.9%
- N trading days
- 30
- Hindsight
- Yes
- Measured from
- trade date
- Public from
- Nov 26, 2024
- Method version
- 2026-11-03