REGNRegeneron Pharmaceuticals, Inc.
Healthcare · BiotechnologyNasdaqStockMkt cap $83.8B
Disclosed trades
55
0 in 30d · 0 in 90d
Politicians
14
Last trade May 15, 2026
Buys
23
$300K at range midpoints
Sells
30
$380.5K at range midpoints
Closing price · 365 days
Sep 24, 2025 – Sep 23, 2026
Monthly buys vs sells · 24 months
Counts of disclosed transactions
- Buys
- Sells (incl. partial)
Politicians who traded it
7 hold it now Estimated
| Politician | Seat | Trades | Buys | Sells | Bought (mid) | Sold (mid) | Last trade | Est. position Estimated |
|---|---|---|---|---|---|---|---|---|
| DJosh Gottheimer | House · NJ-05 | 17 | 7 | 10 | $56K | $80K | Jan 24, 2025 | — |
| DDonald S. Beyer, Jr. | House · VA-08 | 5 | 3 | 2 | $24K | $16K | Feb 28, 2022 | $11.2K |
| 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 | $12.7K |
| 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 | $322 |
| DJulie Johnson | House · TX-32 | 3 | 1 | 2 | $8K | $16K | Apr 1, 2025 | — |
| RRobert P. Bresnahan, Jr. | House · PA-08 | 3 | 1 | 2 | $8K | $16K | May 15, 2025 | $11K |
| DGilbert Ray Cisneros, Jr. | House · CA-31 | 2 | 1 | 1 | $8K | $8K | May 15, 2026 | — |
| DGreg Landsman | House · OH-01 | 2 | 1 | 1 | $8K | $8K | Oct 15, 2024 | $1.6K |
| DMikie Sherrill | House · NJ-11 | 2 | 0 | 2 | $0 | $16K | Feb 20, 2020 | — |
| RAlan Armstrong | Senate · OK | 1 | 1 | 0 | $8K | $0 | Mar 27, 2026 | $8.7K |
| 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 | $8.2K |
Recent trades
| Politician | Ticker | Asset | Type | Owner | Amount | Traded | Filed | Source |
|---|---|---|---|---|---|---|---|---|
| RAlan Armstrong | REGN | Regeneron Pharmaceuticals, Inc. - Common Stock | Buy | Self | $1,001 - $15,000 | Mar 27, 2026 | Jul 21, 2026116d | Filing |
| DGilbert Ray Cisneros, Jr. | REGN | Regeneron Pharmaceuticals, Inc. - Common Stock (REGN) | Sell | Self | $1,001 - $15,000 | May 15, 2026 | Jun 8, 202624d | Filing |
| RJulia Letlow | REGN | Regeneron Pharmaceuticals, Inc. - Common Stock (REGN) | Buy | Self | $1,001 - $15,000 | Feb 12, 2026 | Mar 12, 202628d | Filing |
| DGilbert Ray Cisneros, Jr. | REGN | Regeneron Pharmaceuticals, Inc. - Common Stock (REGN) | Buy | Self | $1,001 - $15,000 | Nov 18, 2025 | Dec 15, 202527d | Filing |
| RRobert P. Bresnahan, Jr. | REGN | Regeneron Pharmaceuticals, Inc. - Common Stock (REGN) | Buy | Self | $1,001 - $15,000 | May 15, 2025 | Jun 9, 202525d | Filing |
| RByron Donalds | REGN | Regeneron Pharmaceuticals, Inc. - Common Stock (REGN) | Sell | Spouse | $1,001 - $15,000 | Apr 10, 2025 | May 24, 202544d | Filing |
| RByron Donalds | REGN | Regeneron Pharmaceuticals, Inc. - Common Stock (REGN) | Sell | Self | $1,001 - $15,000 | Apr 10, 2025 | May 24, 202544d | Filing |
| DJulie Johnson | REGN | Regeneron Pharmaceuticals, Inc. - Common Stock (REGN) | Sell | Joint | $1,001 - $15,000 | Apr 1, 2025 | May 14, 202543d | Filing |
| RRobert P. Bresnahan, Jr. | REGN | Regeneron Pharmaceuticals, Inc. - Common Stock (REGN) | Sell | Self | $1,001 - $15,000 | Apr 8, 2025 | May 8, 202530d | Filing |
| RJefferson Shreve | REGN | Regeneron Pharmaceuticals, Inc. - Common Stock (REGN) | Sell | Self | $15,001 - $50,000 | Apr 7, 2025 | May 8, 202531d | Filing |
| RRobert P. Bresnahan, Jr. | REGN | Regeneron Pharmaceuticals, Inc. - Common Stock (REGN) | Sell | Self | $1,001 - $15,000 | Feb 25, 2025 | Mar 27, 202530d | Filing |
| DJulie Johnson | REGN | Regeneron Pharmaceuticals, Inc. - Common Stock (REGN) | Partial | Joint | $1,001 - $15,000 | Feb 12, 2025 | Mar 12, 202528d | Filing |
| DJulie Johnson | REGN | Regeneron Pharmaceuticals, Inc. - Common Stock (REGN) | Buy | Joint | $1,001 - $15,000 | Jan 15, 2025 | Feb 12, 202528d | Filing |
| DJosh Gottheimer | REGN | Regeneron Pharmaceuticals, Inc. - Common Stock (REGN) | Sell | Joint | $1,001 - $15,000 | Jan 24, 2025 | Feb 10, 202517d | Filing |
| DJonathan L. Jackson | REGN | Regeneron Pharmaceuticals, Inc. - Common Stock (REGN) | Sell | Joint | $15,001 - $50,000 | Nov 13, 2024 | Dec 12, 202429d | Filing |
| DJonathan L. Jackson | REGN | Regeneron Pharmaceuticals, Inc. - Common Stock (REGN) | Partial | Joint | $1,001 - $15,000 | Nov 1, 2024 | Dec 12, 202441d | Filing |
| DJosh Gottheimer | REGN | Regeneron Pharmaceuticals, Inc. - Common Stock (REGN) | Partial | Joint | $1,001 - $15,000 | Nov 29, 2024 | Dec 5, 20246d | Filing |
| DJosh Gottheimer | REGN | Regeneron Pharmaceuticals, Inc. - Common Stock (REGN) | Partial | Joint | $1,001 - $15,000 | Nov 19, 2024 | Dec 5, 202416d | Filing |
| DGreg Landsman | REGN | Regeneron Pharmaceuticals, Inc. - Common Stock (REGN) | Sell | Spouse | $1,001 - $15,000 | 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 | Oct 23, 2024 | Nov 6, 202414d | Filing |
| DJosh Gottheimer | REGN | Regeneron Pharmaceuticals, Inc. - Common Stock (REGN) | Partial | Joint | $1,001 - $15,000 | Jul 1, 2024 | Aug 15, 202445d | Filing |
| DGreg Landsman | REGN | Regeneron Pharmaceuticals, Inc. - Common Stock (REGN) | Buy | Spouse | $1,001 - $15,000 | Aug 11, 2023 | Aug 14, 2024369d | Filing |
| RTommy Tuberville | REGN | Regeneron Pharmaceuticals, Inc. - Common Stock | Sell | Joint | $1,001 - $15,000 | Apr 4, 2024 | May 15, 202441d | Filing |
| DJosh Gottheimer | REGN | Regeneron Pharmaceuticals, Inc. - Common Stock (REGN) | Partial | Joint | $1,001 - $15,000 | Feb 8, 2024 | Mar 7, 202428d | Filing |
| DJonathan L. Jackson | REGN | Regeneron Pharmaceuticals, Inc. - Common Stock (REGN) | Buy | Joint | $1,001 - $15,000 | Jan 17, 2024 | Feb 15, 202429d | Filing |
| DJosh Gottheimer | REGN | Regeneron Pharmaceuticals, Inc. (REGN) | Partial | Joint | $1,001 - $15,000 | Nov 13, 2023 | Dec 8, 202325d | Filing |
| DJosh Gottheimer | REGN | Regeneron Pharmaceuticals, Inc. (REGN) | Buy | Joint | $1,001 - $15,000 | Aug 21, 2023 | Sep 16, 202326d | Filing |
| DJosh Gottheimer | REGN | Regeneron Pharmaceuticals, Inc. (REGN) | Buy | Joint | $1,001 - $15,000 | Jul 11, 2023 | Aug 21, 202341d | Filing |
| DJosh Gottheimer | REGN | Regeneron Pharmaceuticals, Inc. (REGN) | Partial | Joint | $1,001 - $15,000 | Jun 22, 2023 | Jul 11, 202319d | Filing |
| DJonathan L. Jackson | REGN | Regeneron Pharmaceuticals, Inc. (REGN) | Buy | Joint | $15,001 - $50,000 | Jun 23, 2023 | Jul 7, 202314d | Filing |
| RTommy Tuberville | REGN | Regeneron Pharmaceuticals, Inc. - Common Stock | Buy | Joint | $1,001 - $15,000 | Apr 3, 2023 | May 12, 202339d | Filing |
| RTommy Tuberville | REGN | Regeneron Pharmaceuticals, Inc. - Common Stock | Buy | Joint | $1,001 - $15,000 | Apr 3, 2023 | May 11, 202338d | Filing |
| DJosh Gottheimer | REGN | Regeneron Pharmaceuticals, Inc. (REGN) | Partial | Joint | $1,001 - $15,000 | 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 | Oct 19, 2022 | Nov 10, 202222d | Filing |
| DJosh Gottheimer | REGN | Regeneron Pharmaceuticals, Inc. (REGN) | Buy | Joint | $1,001 - $15,000 | Sep 12, 2022 | Oct 16, 202234d | Filing |
| DJosh Gottheimer | REGN | Regeneron Pharmaceuticals, Inc. (REGN) | Buy | Joint | $1,001 - $15,000 | May 5, 2022 | Jun 16, 202242d | Filing |
| RTommy Tuberville | REGN | Regeneron Pharmaceuticals, Inc. - Common Stock | Sell | Joint | $1,001 - $15,000 | Mar 30, 2022 | Apr 8, 20229d | Filing |
| DDonald S. Beyer, Jr. | REGN | Regeneron Pharmaceuticals, Inc. (REgN) | Sell | Joint | $1,001 - $15,000 | Feb 28, 2022 | Mar 3, 20223d | Filing |
| DDonald S. Beyer, Jr. | REGN | Regeneron Pharmaceuticals, Inc. (REgN) | Buy | Joint | $1,001 - $15,000 | 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 |
| DJosh Gottheimer | REGN | Regeneron Pharmaceuticals, Inc. (REGN) | Partial | Joint | $1,001 - $15,000 | Jul 1, 2021 | Aug 9, 202139d | Filing |
| DDonald S. Beyer, Jr. | REGN | Regeneron Pharmaceuticals, Inc. (REGN) | Buy | Joint | $1,001 - $15,000 | Jul 21, 2021 | Aug 7, 202117d | Filing |
| RTommy Tuberville | REGN | Regeneron Pharmaceuticals, Inc. | Buy | Joint | $1,001 - $15,000 | Mar 29, 2021 | Jul 23, 2021116d | Filing |
| DJosh Gottheimer | REGN | Regeneron Pharmaceuticals, Inc. (REGN) | Buy | Joint | $1,001 - $15,000 | Jan 11, 2021 | Feb 9, 202129d | Filing |
Insider activity Filed
Insiders
21
Pharmaceutical Preparations
Open-market buys · 90d
0
$0 bought
Open-market sells · 90d
6
$3.4M sold
Net · 90d
-$3.4M
-$12.9M net over 12 months · last Sep 3, 2026
| Date | Insider | Kind | Security | Shares | Price | Value | Post-holdings | D/I | 10b5-1 | Source |
|---|---|---|---|---|---|---|---|---|---|---|
| Sep 3, 2026filed Sep 3, 2026 | Marion McCourtEVP Commercial | Sale | Common Stock | −1,131 | $857.39 | $969,708 | 12,003 | D | 10b5-1 | 4 |
| Sep 2, 2026filed Sep 3, 2026 | Marion McCourtEVP Commercial | Sale | Common Stock | −1,215 | $850.00 | $1,032,750 | 13,134 | D | 10b5-1 | 4 |
| Sep 2, 2026filed Sep 3, 2026 | Kathryn Guarini | Exercise | Non-Qualified Stock Option (right to buy)deriv. | −400 | $0.00 | — | 1,158 | D | 10b5-1 | 4 |
| Sep 2, 2026filed Sep 3, 2026 | Kathryn Guarini | Sale | Common Stock | −400 | $850.00 | $340,000 | 603 | D | 10b5-1 | 4 |
| Sep 2, 2026filed Sep 3, 2026 | Kathryn Guarini | Exercise | Common Stock | 400 | $719.37 | $287,748 | 1,003 | D | 10b5-1 | 4 |
| Aug 19, 2026filed Aug 21, 2026 | Joseph J LarosaEVP General Counsel and Secret | Exercise | Non-Qualified Stock Option (right to buy)deriv. | −12,282 | $0.00 | — | 12,283 | D | — | 4 |
| Aug 19, 2026filed Aug 21, 2026 | Joseph J LarosaEVP General Counsel and Secret | Withholding | Common Stock | −9,019 | $830.15 | $7,487,123 | 36,373 | D | — | 4 |
| Aug 19, 2026filed Aug 21, 2026 | Joseph J LarosaEVP General Counsel and Secret | Exercise | Common Stock | 12,282 | $381.92 | $4,690,741 | 45,392 | D | — | 4 |
| Aug 18, 2026filed Aug 20, 2026 | Christopher R. FenimoreEVP Finance CFO | Exercise | Non-Qualified Stock Option (right to buy)deriv. | −6,283 | $0.00 | — | 6,000 | D | — | 4 |
| Aug 18, 2026filed Aug 20, 2026 | Christopher R. FenimoreEVP Finance CFO | Withholding | Common Stock | −4,599 | $813.47 | $3,741,149 | 19,984 | 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 sellApr 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
- Total mid
- $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
- 48Well timedFeb 25, 2025
Rep. Robert P. Bresnahan, Jr.'s REGN sale avoided a 23% drop over 30 days
Details
- Politician
- Robert P. Bresnahan, Jr.
- Ticker
- REGN
- Asset
- Regeneron Pharmaceuticals, Inc. - Common Stock (REGN)
- Tx type
- sell
- Tx date
- Feb 25, 2025
- Filing date
- Mar 27, 2025
- Amount low
- $1,001
- Amount high
- $15,000
- Amount mid
- $8,001
- Disclosed range
- $1,001 - $15,000
- Reporting lag days
- 30
- 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
- 43Well timedOct 23, 2024
Rep. Josh Gottheimer's REGN partial sale avoided a 18% drop over 30 days
Details
- Politician
- Josh Gottheimer
- Ticker
- REGN
- Asset
- Regeneron Pharmaceuticals, Inc. - Common Stock (REGN)
- Tx type
- partial_sale
- Tx date
- Oct 23, 2024
- Filing date
- Nov 6, 2024
- Amount low
- $1,001
- Amount high
- $15,000
- Amount mid
- $8,001
- Disclosed range
- $1,001 - $15,000
- Reporting lag days
- 14
- 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
- 51Well timedOct 15, 2024
Rep. Greg Landsman's REGN sale avoided a 26% drop over 30 days
Details
- Politician
- Greg Landsman
- Ticker
- REGN
- Asset
- Regeneron Pharmaceuticals, Inc. - Common Stock (REGN)
- Tx type
- sell
- Tx date
- Oct 15, 2024
- Filing date
- Nov 14, 2024
- Amount low
- $1,001
- Amount high
- $15,000
- Amount mid
- $8,001
- Disclosed range
- $1,001 - $15,000
- Reporting lag days
- 30
- 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