Company / CIK 0000872589
REGENERON PHARMACEUTICALS, INC.
- Ticker
- REGN
- Size, estimated from filings
- Large cap ($10B – $200B)
- Insiders on file
- 20
- Members of Congress who traded it
- 3
- Federal contracts on record
- none matched
- Lobbying filings on record
- 26
- SEC filings
- EDGAR ↗
- Latest trade on record
- October 14, 2026
REGENERON PHARMACEUTICALS, INC. (REGN) has 20 insiders on file who disclosed 203 transactions in the last 12 months (0 open-market buys, 130 sales, about $560.1M at reported prices), and 4 congressional trades in its stock are on record. No federal contract award that started in the last 180 days was found for a recipient with exactly this name, and 14 lobbying filings naming it as client report $2.5M in 2026.
REGENERON PHARMACEUTICALS, INC. in charts
Who is trading this stock
Which people account for the buying and selling over the last 12 months?
BoughtSold
8 people account for the disclosed buying and selling in REGENERON PHARMACEUTICALS, INC. over the last 12 months; the most active is SCHLEIFER LEONARD S with $131M.
Lobbying spend by quarter
How much has REGENERON PHARMACEUTICALS, INC. reported spending on federal lobbying?
REGENERON PHARMACEUTICALS, INC. reported $4.2M in lobbying over the last eight quarters, from filings matched by exact company name.
Insiders
| Name | Role | Rows | Bought | Sold | Last filed |
|---|---|---|---|---|---|
| MURPHY ANDREW J | EVP Research | 38 | 0 | 31 | October 15, 2026 |
| POON CHRISTINE A | Director | 12 | 0 | 6 | September 14, 2026 |
| Guarini Kathryn | Director | 8 | 0 | 2 | September 3, 2026 |
| McCourt Marion | EVP Commercial | 6 | 0 | 4 | September 3, 2026 |
| LAROSA JOSEPH J | EVP General Counsel and Secret | 9 | 0 | 3 | August 21, 2026 |
| Fenimore Christopher R. | EVP Finance CFO | 6 | 0 | 2 | August 20, 2026 |
| Zoghbi Huda Y | Director | 18 | 0 | 12 | August 12, 2026 |
| Sanofi | Insider | 5 | 0 | 5 | August 12, 2026 |
| RYAN ARTHUR F | Director | 50 | 0 | 48 | July 7, 2026 |
| Pitofsky Jason | SVP Controller | 17 | 0 | 13 | February 11, 2026 |
| Bassler Bonnie L | Director | 8 | 0 | 2 | January 8, 2026 |
| BROWN MICHAEL S | Director | 2 | 0 | 0 | January 6, 2026 |
| COLES N ANTHONY | Director | 2 | 0 | 0 | January 6, 2026 |
| GOLDSTEIN JOSEPH L | Director | 2 | 0 | 0 | January 6, 2026 |
| Schenkein David P | Director | 2 | 0 | 0 | January 6, 2026 |
| SING GEORGE L | Director | 5 | 0 | 1 | January 6, 2026 |
| Thompson Craig B. | Director | 2 | 0 | 0 | January 6, 2026 |
| SCHLEIFER LEONARD S | Bd. Co-Chair, President & CEO | 6 | 0 | 2 | January 5, 2026 |
| YANCOPOULOS GEORGE | Bd. Co-Chair, President & CSO | 6 | 0 | 2 | January 5, 2026 |
| Van Plew Daniel P | EVP & General Mgr, Industrial | 4 | 0 | 2 | December 11, 2025 |
Rows are this company's Form 4 rows for each person. "Bought" and "sold" count open-market purchases (code P) and sales only. More in insider buying and insider selling.
Members of Congress who traded REGN
From periodic transaction reports that name the company's stock. Amounts are the sums of the ranges as filed. Every row is on the REGN page.
| Member | Seat | Trades | Bought | Sold | Range as filed | Latest |
|---|---|---|---|---|---|---|
| Gilbert Ray Cisneros, Jr. | Representative (CA, District 31), Democrat | 2 | 1 | 1 | $2,002–$30K | May 15, 2026 |
| Alan Armstrong | Senator (OK), Republican | 1 | 1 | 0 | $1,001–$15K | March 27, 2026 |
| Julia Letlow | Representative (LA, District 5), Republican | 1 | 1 | 0 | $1,001–$15K | February 12, 2026 |
Insider transactions
| Filer | Security | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|---|
| MURPHY ANDREW J | REGN | Option / conversion M | October 13, 2026 | October 15, 2026 | 2d | 17,000 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| MURPHY ANDREW J | REGN | Sell S | October 14, 2026 | October 15, 2026 | 1d | 50 | $781 | $39K | 10b5-1 plan | Form 4 ↗ | |
| MURPHY ANDREW J | REGN | Sell S | October 14, 2026 | October 15, 2026 | 1d | 463 | $781 | $361K | 10b5-1 plan | Form 4 ↗ | |
| MURPHY ANDREW J | REGN | Sell S | October 14, 2026 | October 15, 2026 | 1d | 380 | $780 | $296K | 10b5-1 plan | Form 4 ↗ | |
| MURPHY ANDREW J | REGN | Sell S | October 14, 2026 | October 15, 2026 | 1d | 454 | $779 | $354K | 10b5-1 plan | Form 4 ↗ | |
| MURPHY ANDREW J | REGN | Sell S | October 14, 2026 | October 15, 2026 | 1d | 38 | $778 | $30K | 10b5-1 plan | Form 4 ↗ | |
| MURPHY ANDREW J | REGN | Sell S | October 14, 2026 | October 15, 2026 | 1d | 66 | $776 | $51K | 10b5-1 plan | Form 4 ↗ | |
| MURPHY ANDREW J | REGN | Sell S | October 14, 2026 | October 15, 2026 | 1d | 376 | $775 | $292K | 10b5-1 plan | Form 4 ↗ | |
| MURPHY ANDREW J | REGN | Sell S | October 14, 2026 | October 15, 2026 | 1d | 121 | $774 | $94K | 10b5-1 plan | Form 4 ↗ | |
| MURPHY ANDREW J | REGN | Sell S | October 14, 2026 | October 15, 2026 | 1d | 224 | $773 | $173K | 10b5-1 plan | Form 4 ↗ | |
| MURPHY ANDREW J | REGN | Sell S | October 14, 2026 | October 15, 2026 | 1d | 211 | $773 | $163K | 10b5-1 plan | Form 4 ↗ | |
| MURPHY ANDREW J | REGN | Sell S | October 14, 2026 | October 15, 2026 | 1d | 283 | $772 | $218K | 10b5-1 plan | Form 4 ↗ | |
| MURPHY ANDREW J | REGN | Sell S | October 14, 2026 | October 15, 2026 | 1d | 12 | $770 | $9,242 | 10b5-1 plan | Form 4 ↗ | |
| MURPHY ANDREW J | REGN | Sell S | October 14, 2026 | October 15, 2026 | 1d | 127 | $769 | $98K | 10b5-1 plan | Form 4 ↗ | |
| MURPHY ANDREW J | REGN | Sell S | October 14, 2026 | October 15, 2026 | 1d | 105 | $768 | $81K | 10b5-1 plan | Form 4 ↗ | |
| MURPHY ANDREW J | REGN | Sell S | October 14, 2026 | October 15, 2026 | 1d | 192 | $767 | $147K | 10b5-1 plan | Form 4 ↗ | |
| MURPHY ANDREW J | REGN | Sell S | October 14, 2026 | October 15, 2026 | 1d | 279 | $766 | $214K | 10b5-1 plan | Form 4 ↗ | |
| MURPHY ANDREW J | REGN | Sell S | October 14, 2026 | October 15, 2026 | 1d | 271 | $765 | $207K | 10b5-1 plan | Form 4 ↗ | |
| MURPHY ANDREW J | REGN | Sell S | October 14, 2026 | October 15, 2026 | 1d | 219 | $764 | $167K | 10b5-1 plan | Form 4 ↗ | |
| MURPHY ANDREW J | REGN | Sell S | October 14, 2026 | October 15, 2026 | 1d | 25 | $764 | $19K | 10b5-1 plan | Form 4 ↗ | |
| MURPHY ANDREW J | REGN | Sell S | October 14, 2026 | October 15, 2026 | 1d | 55 | $763 | $42K | 10b5-1 plan | Form 4 ↗ | |
| MURPHY ANDREW J | REGN | Sell S | October 14, 2026 | October 15, 2026 | 1d | 27 | $761 | $21K | 10b5-1 plan | Form 4 ↗ | |
| MURPHY ANDREW J | REGN | Sell S | October 14, 2026 | October 15, 2026 | 1d | 74 | $761 | $56K | 10b5-1 plan | Form 4 ↗ | |
| MURPHY ANDREW J | REGN | Sell S | October 14, 2026 | October 15, 2026 | 1d | 14 | $760 | $11K | 10b5-1 plan | Form 4 ↗ | |
| MURPHY ANDREW J | REGN | Sell S | October 14, 2026 | October 15, 2026 | 1d | 24 | $758 | $18K | 10b5-1 plan | Form 4 ↗ | |
| MURPHY ANDREW J | REGN | Sell S | October 14, 2026 | October 15, 2026 | 1d | 16 | $758 | $12K | 10b5-1 plan | Form 4 ↗ | |
| MURPHY ANDREW J | REGN | Sell S | October 14, 2026 | October 15, 2026 | 1d | 35 | $756 | $26K | 10b5-1 plan | Form 4 ↗ | |
| MURPHY ANDREW J | REGN | Sell S | October 14, 2026 | October 15, 2026 | 1d | 6 | $754 | $4,523 | 10b5-1 plan | Form 4 ↗ | |
| MURPHY ANDREW J | REGN | Sell F | October 13, 2026 | October 15, 2026 | 2d | 12,853 | $755 | $9.7M | 10b5-1 plan | Form 4 ↗ | |
| MURPHY ANDREW J | REGN | Option / conversion M | October 13, 2026 | October 15, 2026 | 2d | 17,000 | $382 | $6.5M | 10b5-1 plan | Form 4 ↗ | |
| McCourt Marion | REGN | Sell S | September 3, 2026 | September 3, 2026 | 0d | 1,131 | $857 | $970K | 10b5-1 plan | Form 4 ↗ | |
| McCourt Marion | REGN | Sell S | September 2, 2026 | September 3, 2026 | 1d | 1,215 | $850 | $1.0M | 10b5-1 plan | Form 4 ↗ | |
| Guarini Kathryn | REGN | Option / conversion M | September 2, 2026 | September 3, 2026 | 1d | 400 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Guarini Kathryn | REGN | Sell S | September 2, 2026 | September 3, 2026 | 1d | 400 | $850 | $340K | 10b5-1 plan | Form 4 ↗ | |
| Guarini Kathryn | REGN | Option / conversion M | September 2, 2026 | September 3, 2026 | 1d | 400 | $719 | $288K | 10b5-1 plan | Form 4 ↗ | |
| LAROSA JOSEPH J | REGN | Option / conversion M | August 19, 2026 | August 21, 2026 | 2d | 12,282 | — | — | derivative | Form 4 ↗ | |
| LAROSA JOSEPH J | REGN | Sell F | August 19, 2026 | August 21, 2026 | 2d | 9,019 | $830 | $7.5M | Form 4 ↗ | ||
| LAROSA JOSEPH J | REGN | Option / conversion M | August 19, 2026 | August 21, 2026 | 2d | 12,282 | $382 | $4.7M | Form 4 ↗ | ||
| Fenimore Christopher R. | REGN | Option / conversion M | August 18, 2026 | August 20, 2026 | 2d | 6,283 | — | — | derivative | Form 4 ↗ | |
| Fenimore Christopher R. | REGN | Sell F | August 18, 2026 | August 20, 2026 | 2d | 4,599 | $813 | $3.7M | Form 4 ↗ | ||
| Fenimore Christopher R. | REGN | Option / conversion M | August 18, 2026 | August 20, 2026 | 2d | 6,283 | $382 | $2.4M | Form 4 ↗ | ||
| Guarini Kathryn | REGN | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 400 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Guarini Kathryn | REGN | Sell S | August 10, 2026 | August 12, 2026 | 2d | 400 | $800 | $320K | 10b5-1 plan | Form 4 ↗ | |
| Guarini Kathryn | REGN | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 400 | $719 | $288K | 10b5-1 plan | Form 4 ↗ | |
| Zoghbi Huda Y | REGN | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 800 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Zoghbi Huda Y | REGN | Sell S | August 10, 2026 | August 12, 2026 | 2d | 800 | $800 | $640K | 10b5-1 plan | Form 4 ↗ | |
| Zoghbi Huda Y | REGN | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 800 | $377 | $301K | 10b5-1 plan | Form 4 ↗ | |
| RYAN ARTHUR F | REGN | Sell S | July 2, 2026 | July 7, 2026 | 5d | 200 | $650 | $130K | late10b5-1 plan | Form 4 ↗ | |
| RYAN ARTHUR F | REGN | Sell S | May 1, 2026 | May 4, 2026 | 3d | 2 | $714 | $1,428 | 10b5-1 plan | Form 4 ↗ | |
| RYAN ARTHUR F | REGN | Sell S | May 1, 2026 | May 4, 2026 | 3d | 1 | $712 | $712 | 10b5-1 plan | Form 4 ↗ | |
| RYAN ARTHUR F | REGN | Sell S | May 1, 2026 | May 4, 2026 | 3d | 5 | $711 | $3,557 | 10b5-1 plan | Form 4 ↗ | |
| RYAN ARTHUR F | REGN | Sell S | May 1, 2026 | May 4, 2026 | 3d | 2 | $711 | $1,422 | 10b5-1 plan | Form 4 ↗ | |
| RYAN ARTHUR F | REGN | Sell S | May 1, 2026 | May 4, 2026 | 3d | 6 | $709 | $4,257 | 10b5-1 plan | Form 4 ↗ | |
| RYAN ARTHUR F | REGN | Sell S | May 1, 2026 | May 4, 2026 | 3d | 4 | $707 | $2,830 | 10b5-1 plan | Form 4 ↗ | |
| RYAN ARTHUR F | REGN | Sell S | May 1, 2026 | May 4, 2026 | 3d | 7 | $707 | $4,947 | 10b5-1 plan | Form 4 ↗ | |
| RYAN ARTHUR F | REGN | Sell S | May 1, 2026 | May 4, 2026 | 3d | 14 | $706 | $9,878 | 10b5-1 plan | Form 4 ↗ | |
| RYAN ARTHUR F | REGN | Sell S | May 1, 2026 | May 4, 2026 | 3d | 15 | $704 | $11K | 10b5-1 plan | Form 4 ↗ | |
| RYAN ARTHUR F | REGN | Sell S | May 1, 2026 | May 4, 2026 | 3d | 24 | $703 | $17K | 10b5-1 plan | Form 4 ↗ | |
| RYAN ARTHUR F | REGN | Sell S | May 1, 2026 | May 4, 2026 | 3d | 15 | $702 | $11K | 10b5-1 plan | Form 4 ↗ | |
| RYAN ARTHUR F | REGN | Sell S | May 1, 2026 | May 4, 2026 | 3d | 5 | $702 | $3,509 | 10b5-1 plan | Form 4 ↗ | |
| RYAN ARTHUR F | REGN | Sell S | April 1, 2026 | April 3, 2026 | 2d | 40 | $780 | $31K | 10b5-1 plan | Form 4 ↗ | |
| RYAN ARTHUR F | REGN | Sell S | April 1, 2026 | April 3, 2026 | 2d | 4 | $778 | $3,113 | 10b5-1 plan | Form 4 ↗ | |
| RYAN ARTHUR F | REGN | Sell S | April 1, 2026 | April 3, 2026 | 2d | 9 | $777 | $6,997 | 10b5-1 plan | Form 4 ↗ | |
| RYAN ARTHUR F | REGN | Sell S | April 1, 2026 | April 3, 2026 | 2d | 13 | $777 | $10K | 10b5-1 plan | Form 4 ↗ | |
| RYAN ARTHUR F | REGN | Sell S | April 1, 2026 | April 3, 2026 | 2d | 14 | $776 | $11K | 10b5-1 plan | Form 4 ↗ | |
| RYAN ARTHUR F | REGN | Sell S | April 1, 2026 | April 3, 2026 | 2d | 8 | $775 | $6,197 | 10b5-1 plan | Form 4 ↗ | |
| RYAN ARTHUR F | REGN | Sell S | April 1, 2026 | April 3, 2026 | 2d | 8 | $774 | $6,189 | 10b5-1 plan | Form 4 ↗ | |
| RYAN ARTHUR F | REGN | Sell S | April 1, 2026 | April 3, 2026 | 2d | 3 | $773 | $2,318 | 10b5-1 plan | Form 4 ↗ | |
| RYAN ARTHUR F | REGN | Sell S | April 1, 2026 | April 3, 2026 | 2d | 1 | $771 | $771 | 10b5-1 plan | Form 4 ↗ | |
| RYAN ARTHUR F | REGN | Sell S | March 2, 2026 | March 3, 2026 | 1d | 20 | $789 | $16K | 10b5-1 plan | Form 4 ↗ | |
| RYAN ARTHUR F | REGN | Sell S | March 2, 2026 | March 3, 2026 | 1d | 20 | $789 | $16K | 10b5-1 plan | Form 4 ↗ | |
| RYAN ARTHUR F | REGN | Sell S | March 2, 2026 | March 3, 2026 | 1d | 2 | $787 | $1,575 | 10b5-1 plan | Form 4 ↗ | |
| RYAN ARTHUR F | REGN | Sell S | March 2, 2026 | March 3, 2026 | 1d | 7 | $787 | $5,506 | 10b5-1 plan | Form 4 ↗ | |
| RYAN ARTHUR F | REGN | Sell S | March 2, 2026 | March 3, 2026 | 1d | 11 | $785 | $8,640 | 10b5-1 plan | Form 4 ↗ | |
| RYAN ARTHUR F | REGN | Sell S | March 2, 2026 | March 3, 2026 | 1d | 9 | $784 | $7,060 | 10b5-1 plan | Form 4 ↗ | |
| RYAN ARTHUR F | REGN | Sell S | March 2, 2026 | March 3, 2026 | 1d | 10 | $784 | $7,836 | 10b5-1 plan | Form 4 ↗ | |
| RYAN ARTHUR F | REGN | Sell S | March 2, 2026 | March 3, 2026 | 1d | 2 | $783 | $1,565 | 10b5-1 plan | Form 4 ↗ | |
| RYAN ARTHUR F | REGN | Sell S | March 2, 2026 | March 3, 2026 | 1d | 2 | $781 | $1,562 | 10b5-1 plan | Form 4 ↗ | |
| RYAN ARTHUR F | REGN | Sell S | March 2, 2026 | March 3, 2026 | 1d | 3 | $781 | $2,342 | 10b5-1 plan | Form 4 ↗ | |
| RYAN ARTHUR F | REGN | Sell S | March 2, 2026 | March 3, 2026 | 1d | 5 | $780 | $3,898 | 10b5-1 plan | Form 4 ↗ | |
| RYAN ARTHUR F | REGN | Sell S | March 2, 2026 | March 3, 2026 | 1d | 2 | $778 | $1,557 | 10b5-1 plan | Form 4 ↗ | |
| RYAN ARTHUR F | REGN | Sell S | March 2, 2026 | March 3, 2026 | 1d | 7 | $777 | $5,442 | 10b5-1 plan | Form 4 ↗ | |
| Zoghbi Huda Y | REGN | Option / conversion M | February 19, 2026 | February 23, 2026 | 4d | 1,638 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Zoghbi Huda Y | REGN | Sell S | February 19, 2026 | February 23, 2026 | 4d | 4 | $790 | $3,160 | 10b5-1 plan | Form 4 ↗ | |
| Zoghbi Huda Y | REGN | Sell S | February 19, 2026 | February 23, 2026 | 4d | 56 | $786 | $44K | 10b5-1 plan | Form 4 ↗ | |
| Zoghbi Huda Y | REGN | Sell S | February 19, 2026 | February 23, 2026 | 4d | 160 | $784 | $126K | 10b5-1 plan | Form 4 ↗ | |
| Zoghbi Huda Y | REGN | Sell S | February 19, 2026 | February 23, 2026 | 4d | 220 | $783 | $172K | 10b5-1 plan | Form 4 ↗ | |
| Zoghbi Huda Y | REGN | Sell S | February 19, 2026 | February 23, 2026 | 4d | 298 | $782 | $233K | 10b5-1 plan | Form 4 ↗ | |
| Zoghbi Huda Y | REGN | Sell S | February 19, 2026 | February 23, 2026 | 4d | 209 | $781 | $163K | 10b5-1 plan | Form 4 ↗ | |
| Zoghbi Huda Y | REGN | Sell S | February 19, 2026 | February 23, 2026 | 4d | 331 | $780 | $258K | 10b5-1 plan | Form 4 ↗ | |
| Zoghbi Huda Y | REGN | Sell S | February 19, 2026 | February 23, 2026 | 4d | 208 | $780 | $162K | 10b5-1 plan | Form 4 ↗ | |
| Zoghbi Huda Y | REGN | Sell S | February 19, 2026 | February 23, 2026 | 4d | 53 | $778 | $41K | 10b5-1 plan | Form 4 ↗ | |
| Zoghbi Huda Y | REGN | Sell S | February 19, 2026 | February 23, 2026 | 4d | 50 | $776 | $39K | 10b5-1 plan | Form 4 ↗ | |
| Zoghbi Huda Y | REGN | Sell S | February 19, 2026 | February 23, 2026 | 4d | 49 | $775 | $38K | 10b5-1 plan | Form 4 ↗ | |
| Zoghbi Huda Y | REGN | Option / conversion M | February 19, 2026 | February 23, 2026 | 4d | 1,638 | $377 | $617K | 10b5-1 plan | Form 4 ↗ | |
| Pitofsky Jason | REGN | Option / conversion M | February 9, 2026 | February 11, 2026 | 2d | 1,000 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Pitofsky Jason | REGN | Sell S | February 9, 2026 | February 11, 2026 | 2d | 53 | $786 | $42K | 10b5-1 plan | Form 4 ↗ | |
| Pitofsky Jason | REGN | Sell S | February 9, 2026 | February 11, 2026 | 2d | 1 | $785 | $785 | 10b5-1 plan | Form 4 ↗ | |
| Pitofsky Jason | REGN | Sell S | February 9, 2026 | February 11, 2026 | 2d | 144 | $783 | $113K | 10b5-1 plan | Form 4 ↗ | |
| Pitofsky Jason | REGN | Sell S | February 9, 2026 | February 11, 2026 | 2d | 37 | $783 | $29K | 10b5-1 plan | Form 4 ↗ | |
| Pitofsky Jason | REGN | Sell S | February 9, 2026 | February 11, 2026 | 2d | 26 | $781 | $20K | 10b5-1 plan | Form 4 ↗ | |
| Pitofsky Jason | REGN | Sell S | February 9, 2026 | February 11, 2026 | 2d | 75 | $780 | $59K | 10b5-1 plan | Form 4 ↗ | |
| Pitofsky Jason | REGN | Sell S | February 9, 2026 | February 11, 2026 | 2d | 205 | $780 | $160K | 10b5-1 plan | Form 4 ↗ | |
| Pitofsky Jason | REGN | Sell S | February 9, 2026 | February 11, 2026 | 2d | 563 | $778 | $438K | 10b5-1 plan | Form 4 ↗ | |
| Pitofsky Jason | REGN | Sell S | February 9, 2026 | February 11, 2026 | 2d | 391 | $778 | $304K | 10b5-1 plan | Form 4 ↗ | |
| Pitofsky Jason | REGN | Sell S | February 9, 2026 | February 11, 2026 | 2d | 521 | $776 | $405K | 10b5-1 plan | Form 4 ↗ | |
| Pitofsky Jason | REGN | Sell S | February 9, 2026 | February 11, 2026 | 2d | 20 | $776 | $16K | 10b5-1 plan | Form 4 ↗ | |
| Pitofsky Jason | REGN | Option / conversion M | February 9, 2026 | February 11, 2026 | 2d | 1,000 | $492 | $492K | 10b5-1 plan | Form 4 ↗ | |
| RYAN ARTHUR F | REGN | Sell S | February 9, 2026 | February 11, 2026 | 2d | 1 | $788 | $788 | 10b5-1 plan | Form 4 ↗ | |
| RYAN ARTHUR F | REGN | Sell S | February 9, 2026 | February 11, 2026 | 2d | 2 | $786 | $1,573 | 10b5-1 plan | Form 4 ↗ | |
| RYAN ARTHUR F | REGN | Sell S | February 9, 2026 | February 11, 2026 | 2d | 1 | $786 | $786 | 10b5-1 plan | Form 4 ↗ | |
| RYAN ARTHUR F | REGN | Sell S | February 9, 2026 | February 11, 2026 | 2d | 1 | $785 | $785 | 10b5-1 plan | Form 4 ↗ | |
| RYAN ARTHUR F | REGN | Sell S | February 9, 2026 | February 11, 2026 | 2d | 3 | $783 | $2,350 | 10b5-1 plan | Form 4 ↗ | |
| RYAN ARTHUR F | REGN | Sell S | February 9, 2026 | February 11, 2026 | 2d | 1 | $783 | $783 | 10b5-1 plan | Form 4 ↗ | |
| RYAN ARTHUR F | REGN | Sell S | February 9, 2026 | February 11, 2026 | 2d | 5 | $781 | $3,907 | 10b5-1 plan | Form 4 ↗ | |
| RYAN ARTHUR F | REGN | Sell S | February 9, 2026 | February 11, 2026 | 2d | 1 | $780 | $780 | 10b5-1 plan | Form 4 ↗ | |
| RYAN ARTHUR F | REGN | Sell S | February 9, 2026 | February 11, 2026 | 2d | 5 | $779 | $3,897 | 10b5-1 plan | Form 4 ↗ | |
| RYAN ARTHUR F | REGN | Sell S | February 9, 2026 | February 11, 2026 | 2d | 12 | $779 | $9,342 | 10b5-1 plan | Form 4 ↗ | |
| RYAN ARTHUR F | REGN | Sell S | February 9, 2026 | February 11, 2026 | 2d | 57 | $778 | $44K | 10b5-1 plan | Form 4 ↗ | |
| RYAN ARTHUR F | REGN | Sell S | February 9, 2026 | February 11, 2026 | 2d | 10 | $777 | $7,766 | 10b5-1 plan | Form 4 ↗ | |
| RYAN ARTHUR F | REGN | Sell S | February 9, 2026 | February 11, 2026 | 2d | 1 | $776 | $776 | 10b5-1 plan | Form 4 ↗ | |
| Bassler Bonnie L | REGN | Option / conversion M | January 7, 2026 | January 8, 2026 | 1d | 1,500 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Bassler Bonnie L | REGN | Sell S | January 7, 2026 | January 8, 2026 | 1d | 1,500 | $800 | $1.2M | 10b5-1 plan | Form 4 ↗ | |
| Bassler Bonnie L | REGN | Option / conversion M | January 7, 2026 | January 8, 2026 | 1d | 1,500 | $374 | $561K | 10b5-1 plan | Form 4 ↗ | |
| Zoghbi Huda Y | REGN | Other A | January 2, 2026 | January 6, 2026 | 4d | 1,962 | — | — | derivative | Form 4 ↗ | |
| Zoghbi Huda Y | REGN | Other A | January 2, 2026 | January 6, 2026 | 4d | 155 | — | — | Form 4 ↗ | ||
| Thompson Craig B. | REGN | Other A | January 2, 2026 | January 6, 2026 | 4d | 1,962 | — | — | derivative | Form 4 ↗ | |
| Thompson Craig B. | REGN | Other A | January 2, 2026 | January 6, 2026 | 4d | 155 | — | — | Form 4 ↗ | ||
| SING GEORGE L | REGN | Other A | January 2, 2026 | January 6, 2026 | 4d | 1,962 | — | — | derivative | Form 4 ↗ | |
| SING GEORGE L | REGN | Other A | January 2, 2026 | January 6, 2026 | 4d | 155 | — | — | Form 4 ↗ | ||
| Guarini Kathryn | REGN | Other A | January 2, 2026 | January 6, 2026 | 4d | 1,962 | — | — | derivative | Form 4 ↗ | |
| Guarini Kathryn | REGN | Other A | January 2, 2026 | January 6, 2026 | 4d | 155 | — | — | Form 4 ↗ | ||
| Schenkein David P | REGN | Other A | January 2, 2026 | January 6, 2026 | 4d | 1,962 | — | — | derivative | Form 4 ↗ | |
| Schenkein David P | REGN | Other A | January 2, 2026 | January 6, 2026 | 4d | 155 | — | — | Form 4 ↗ | ||
| GOLDSTEIN JOSEPH L | REGN | Other A | January 2, 2026 | January 6, 2026 | 4d | 1,962 | — | — | derivative | Form 4 ↗ | |
| GOLDSTEIN JOSEPH L | REGN | Other A | January 2, 2026 | January 6, 2026 | 4d | 155 | — | — | Form 4 ↗ | ||
| RYAN ARTHUR F | REGN | Other A | January 2, 2026 | January 6, 2026 | 4d | 1,962 | — | — | derivative | Form 4 ↗ | |
| RYAN ARTHUR F | REGN | Other A | January 2, 2026 | January 6, 2026 | 4d | 155 | — | — | Form 4 ↗ | ||
| COLES N ANTHONY | REGN | Other A | January 2, 2026 | January 6, 2026 | 4d | 1,962 | — | — | derivative | Form 4 ↗ | |
| COLES N ANTHONY | REGN | Other A | January 2, 2026 | January 6, 2026 | 4d | 155 | — | — | Form 4 ↗ | ||
| BROWN MICHAEL S | REGN | Other A | January 2, 2026 | January 6, 2026 | 4d | 1,962 | — | — | derivative | Form 4 ↗ | |
| BROWN MICHAEL S | REGN | Other A | January 2, 2026 | January 6, 2026 | 4d | 155 | — | — | Form 4 ↗ | ||
| Bassler Bonnie L | REGN | Other A | January 2, 2026 | January 6, 2026 | 4d | 1,962 | — | — | derivative | Form 4 ↗ | |
| Bassler Bonnie L | REGN | Other A | January 2, 2026 | January 6, 2026 | 4d | 155 | — | — | Form 4 ↗ | ||
| POON CHRISTINE A | REGN | Other A | January 2, 2026 | January 6, 2026 | 4d | 1,962 | — | — | derivative | Form 4 ↗ | |
| POON CHRISTINE A | REGN | Other A | January 2, 2026 | January 6, 2026 | 4d | 155 | — | — | Form 4 ↗ | ||
| YANCOPOULOS GEORGE | REGN | Option / conversion M | December 31, 2025 | January 5, 2026 | 5d | 28,570 | — | — | latederivative | Form 4 ↗ | |
| YANCOPOULOS GEORGE | REGN | Sell F | December 31, 2025 | January 5, 2026 | 5d | 28,570 | $772 | $22.1M | late | Form 4 ↗ | |
| YANCOPOULOS GEORGE | REGN | Option / conversion M | December 31, 2025 | January 5, 2026 | 5d | 28,570 | — | — | late | Form 4 ↗ | |
| SCHLEIFER LEONARD S | REGN | Option / conversion M | December 31, 2025 | January 5, 2026 | 5d | 28,570 | — | — | latederivative | Form 4 ↗ | |
| SCHLEIFER LEONARD S | REGN | Sell F | December 31, 2025 | January 5, 2026 | 5d | 28,570 | $772 | $22.1M | late | Form 4 ↗ | |
| SCHLEIFER LEONARD S | REGN | Option / conversion M | December 31, 2025 | January 5, 2026 | 5d | 28,570 | — | — | late | Form 4 ↗ | |
| SING GEORGE L | REGN | Option / conversion M | December 30, 2025 | December 31, 2025 | 1d | 9,212 | — | — | derivative | Form 4 ↗ | |
| SING GEORGE L | REGN | Sell F | December 30, 2025 | December 31, 2025 | 1d | 6,188 | $774 | $4.8M | Form 4 ↗ | ||
| SING GEORGE L | REGN | Option / conversion M | December 30, 2025 | December 31, 2025 | 1d | 9,212 | $520 | $4.8M | Form 4 ↗ | ||
| Van Plew Daniel P | REGN | Sell F | December 9, 2025 | December 11, 2025 | 2d | 2,552 | $702 | $1.8M | Form 4 ↗ | ||
| MURPHY ANDREW J | REGN | Sell F | December 9, 2025 | December 11, 2025 | 2d | 4,229 | $702 | $3.0M | Form 4 ↗ | ||
| McCourt Marion | REGN | Sell F | December 9, 2025 | December 11, 2025 | 2d | 1,021 | $702 | $716K | Form 4 ↗ | ||
| YANCOPOULOS GEORGE | REGN | Option / conversion M | December 9, 2025 | December 11, 2025 | 2d | 146,815 | — | — | derivative | Form 4 ↗ | |
| YANCOPOULOS GEORGE | REGN | Sell F | December 9, 2025 | December 11, 2025 | 2d | 131,874 | $702 | $92.5M | Form 4 ↗ | ||
| YANCOPOULOS GEORGE | REGN | Option / conversion M | December 9, 2025 | December 11, 2025 | 2d | 146,815 | $556 | $81.6M | Form 4 ↗ | ||
| SCHLEIFER LEONARD S | REGN | Option / conversion M | December 9, 2025 | December 11, 2025 | 2d | 172,723 | — | — | derivative | Form 4 ↗ | |
| SCHLEIFER LEONARD S | REGN | Sell F | December 9, 2025 | December 11, 2025 | 2d | 155,145 | $702 | $108.8M | Form 4 ↗ | ||
| SCHLEIFER LEONARD S | REGN | Option / conversion M | December 9, 2025 | December 11, 2025 | 2d | 172,723 | $556 | $96.0M | Form 4 ↗ | ||
| Pitofsky Jason | REGN | Other A | December 5, 2025 | December 9, 2025 | 4d | 2,261 | — | — | derivative | Form 4 ↗ | |
| Pitofsky Jason | REGN | Sell F | December 8, 2025 | December 9, 2025 | 1d | 989 | $713 | $705K | Form 4 ↗ | ||
| Pitofsky Jason | REGN | Other A | December 5, 2025 | December 9, 2025 | 4d | 2,064 | — | — | Form 4 ↗ | ||
| Van Plew Daniel P | REGN | Other A | December 5, 2025 | December 9, 2025 | 4d | 18,315 | — | — | derivative | Form 4 ↗ | |
| Van Plew Daniel P | REGN | Sell F | December 8, 2025 | December 9, 2025 | 1d | 1,906 | $713 | $1.4M | Form 4 ↗ | ||
| Van Plew Daniel P | REGN | Other A | December 5, 2025 | December 9, 2025 | 4d | 3,715 | — | — | Form 4 ↗ | ||
| MURPHY ANDREW J | REGN | Other A | December 5, 2025 | December 9, 2025 | 4d | 18,315 | — | — | derivative | Form 4 ↗ | |
| MURPHY ANDREW J | REGN | Sell F | December 8, 2025 | December 9, 2025 | 1d | 1,699 | $713 | $1.2M | Form 4 ↗ | ||
| MURPHY ANDREW J | REGN | Other A | December 5, 2025 | December 9, 2025 | 4d | 3,715 | — | — | Form 4 ↗ | ||
| McCourt Marion | REGN | Other A | December 5, 2025 | December 9, 2025 | 4d | 12,210 | — | — | derivative | Form 4 ↗ | |
| McCourt Marion | REGN | Sell F | December 8, 2025 | December 9, 2025 | 1d | 1,336 | $713 | $952K | Form 4 ↗ | ||
| McCourt Marion | REGN | Other A | December 5, 2025 | December 9, 2025 | 4d | 2,476 | — | — | Form 4 ↗ | ||
| LAROSA JOSEPH J | REGN | Other A | December 5, 2025 | December 9, 2025 | 4d | 12,210 | — | — | derivative | Form 4 ↗ | |
| LAROSA JOSEPH J | REGN | Sell F | December 8, 2025 | December 9, 2025 | 1d | 1,396 | $713 | $995K | Form 4 ↗ | ||
| LAROSA JOSEPH J | REGN | Other A | December 5, 2025 | December 9, 2025 | 4d | 2,476 | — | — | Form 4 ↗ | ||
| Fenimore Christopher R. | REGN | Other A | December 5, 2025 | December 9, 2025 | 4d | 14,924 | — | — | derivative | Form 4 ↗ | |
| Fenimore Christopher R. | REGN | Sell F | December 8, 2025 | December 9, 2025 | 1d | 992 | $713 | $707K | Form 4 ↗ | ||
| Fenimore Christopher R. | REGN | Other A | December 5, 2025 | December 9, 2025 | 4d | 3,027 | — | — | Form 4 ↗ | ||
| LAROSA JOSEPH J | REGN | Option / conversion M | November 20, 2025 | November 24, 2025 | 4d | 14,450 | — | — | derivative | Form 4 ↗ | |
| LAROSA JOSEPH J | REGN | Sell F | November 20, 2025 | November 24, 2025 | 4d | 12,686 | $737 | $9.3M | Form 4 ↗ | ||
| LAROSA JOSEPH J | REGN | Option / conversion M | November 20, 2025 | November 24, 2025 | 4d | 14,450 | $556 | $8.0M | Form 4 ↗ | ||
| Bassler Bonnie L | REGN | Option / conversion M | November 20, 2025 | November 24, 2025 | 4d | 760 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Bassler Bonnie L | REGN | Sell S | November 20, 2025 | November 24, 2025 | 4d | 760 | $750 | $570K | 10b5-1 plan | Form 4 ↗ | |
| Bassler Bonnie L | REGN | Option / conversion M | November 20, 2025 | November 24, 2025 | 4d | 760 | $371 | $282K | 10b5-1 plan | Form 4 ↗ | |
| Pitofsky Jason | REGN | Sell S | November 7, 2025 | November 10, 2025 | 3d | 431 | $651 | $281K | Form 4 ↗ | ||
| POON CHRISTINE A | REGN | Option / conversion M | October 30, 2025 | October 31, 2025 | 1d | 2,712 | — | — | derivative | Form 4 ↗ | |
| POON CHRISTINE A | REGN | Option / conversion M | October 29, 2025 | October 31, 2025 | 2d | 6,500 | — | — | derivative | Form 4 ↗ | |
| POON CHRISTINE A | REGN | Option / conversion M | October 30, 2025 | October 31, 2025 | 1d | 2,712 | $520 | $1.4M | Form 4 ↗ | ||
| POON CHRISTINE A | REGN | Sell S | October 29, 2025 | October 31, 2025 | 2d | 388 | $657 | $255K | Form 4 ↗ | ||
| POON CHRISTINE A | REGN | Sell S | October 29, 2025 | October 31, 2025 | 2d | 712 | $657 | $467K | Form 4 ↗ | ||
| POON CHRISTINE A | REGN | Sell S | October 29, 2025 | October 31, 2025 | 2d | 100 | $655 | $66K | Form 4 ↗ | ||
| POON CHRISTINE A | REGN | Sell S | October 29, 2025 | October 31, 2025 | 2d | 1,915 | $654 | $1.3M | Form 4 ↗ | ||
| POON CHRISTINE A | REGN | Sell S | October 29, 2025 | October 31, 2025 | 2d | 2,735 | $654 | $1.8M | Form 4 ↗ | ||
| POON CHRISTINE A | REGN | Sell S | October 29, 2025 | October 31, 2025 | 2d | 650 | $653 | $424K | Form 4 ↗ | ||
| POON CHRISTINE A | REGN | Option / conversion M | October 29, 2025 | October 31, 2025 | 2d | 6,500 | $520 | $3.4M | Form 4 ↗ | ||
| MURPHY ANDREW J | REGN | Option / conversion M | October 29, 2025 | October 31, 2025 | 2d | 35,000 | — | — | derivative | Form 4 ↗ |
Showing the 200 most recent of 208.
Federal contracts (USAspending, awards started in the last 180 days)
No contract award starting in the last 180 days was found for a recipient named exactly "REGENERON PHARMACEUTICALS, INC.". Subsidiaries and differently-spelled recipients are not matched — search contracts.
Lobbying (Senate LDA, as client)
| Period | Registrant | Primary issue | Amount | Source |
|---|---|---|---|---|
| 2026 Q3 | REGENERON PHARMACEUTICALS, INC | Copyright/Patent/Trademark | $590,000 | LDA ↗ |
| 2026 Q3 | THE WASHINGTON TAX & PUBLIC POLICY GROUP | Taxation/Internal Revenue Code | $30,000 | LDA ↗ |
| 2026 Q2 | REGENERON PHARMACEUTICALS, INC | Health Issues | $630,000 | LDA ↗ |
| 2026 Q2 | BGR GOVERNMENT AFFAIRS | Health Issues | $90,000 | LDA ↗ |
| 2026 Q2 | CHECKMATE GOVERNMENT RELATIONS | Health Issues | $90,000 | LDA ↗ |
| 2026 Q2 | ARNOLD & PORTER KAYE SCHOLER LLP | Health Issues | $50,000 | LDA ↗ |
| 2026 Q2 | CRANE STRATEGIES | Budget/Appropriations | $50,000 | LDA ↗ |
| 2026 Q2 | THE WASHINGTON TAX & PUBLIC POLICY GROUP | Taxation/Internal Revenue Code | $30,000 | LDA ↗ |
| 2026 Q1 | REGENERON PHARMACEUTICALS, INC | Health Issues | $640,000 | LDA ↗ |
| 2026 Q1 | CHECKMATE GOVERNMENT RELATIONS | Health Issues | $90,000 | LDA ↗ |
| 2026 Q1 | BGR GOVERNMENT AFFAIRS | Health Issues | $90,000 | LDA ↗ |
| 2026 Q1 | CRANE STRATEGIES | Budget/Appropriations | $50,000 | LDA ↗ |
| 2026 Q1 | THE WASHINGTON TAX & PUBLIC POLICY GROUP | Taxation/Internal Revenue Code | $30,000 | LDA ↗ |
| 2026 Q1 | ARNOLD & PORTER KAYE SCHOLER LLP | Budget/Appropriations | — | LDA ↗ |
| 2025 Q4 | REGENERON PHARMACEUTICALS, INC | Taxation/Internal Revenue Code | $610,000 | LDA ↗ |
| 2025 Q4 | BGR GOVERNMENT AFFAIRS | Health Issues | $90,000 | LDA ↗ |
| 2025 Q4 | CHECKMATE GOVERNMENT RELATIONS | Health Issues | $90,000 | LDA ↗ |
| 2025 Q4 | CRANE STRATEGIES | Budget/Appropriations | $50,000 | LDA ↗ |
| 2025 Q4 | THE WASHINGTON TAX & PUBLIC POLICY GROUP | Taxation/Internal Revenue Code | $30,000 | LDA ↗ |
| 2025 Q4 | ARNOLD & PORTER KAYE SCHOLER LLP | — | — | LDA ↗ |
| 2025 Q3 | REGENERON PHARMACEUTICALS, INC | Trade (domestic/foreign) | $570,000 | LDA ↗ |
| 2025 Q3 | CHECKMATE GOVERNMENT RELATIONS | Health Issues | $90,000 | LDA ↗ |
| 2025 Q3 | BGR GOVERNMENT AFFAIRS | Health Issues | $90,000 | LDA ↗ |
| 2025 Q3 | CRANE STRATEGIES | Budget/Appropriations | $50,000 | LDA ↗ |
| 2025 Q3 | THE WASHINGTON TAX & PUBLIC POLICY GROUP | Taxation/Internal Revenue Code | $30,000 | LDA ↗ |
| 2025 Q3 | ARNOLD & PORTER KAYE SCHOLER LLP | — | — | LDA ↗ |
Related companies
Companies whose stock was traded by the same people who traded REGN, by number of filers in common. It shows overlap in public filings and nothing else.
- Meta Platforms, Inc. META 3 filers in common
- MICRON TECHNOLOGY INC MU 3 filers in common
- INTUIT INC. INTU 3 filers in common
- ADOBE INC. ADBE 3 filers in common
- Workday, Inc. WDAY 3 filers in common
- NVIDIA CORP NVDA 3 filers in common
- ADVANCED MICRO DEVICES INC AMD 3 filers in common
- Accenture plc ACN 3 filers in common
Guides for this page
- What is SEC Form 4? Who files: officers, directors and owners of more than 10% of a class of the company's shares.
- Insider buying vs insider selling Selling outweighs buying by a wide margin in normal times.
- Lobbying disclosure reports Reports are due about 20 days after each quarter ends.
- What disclosure data cannot tell you Filings are late by design: up to 45 days for Congress, two business days for insiders.
Sources and method
| Source | Filings | Rows | First filed | Newest filed | Read the originals |
|---|---|---|---|---|---|
| House Clerk, periodic transaction reports | 3 | 3 | December 15, 2025 | June 8, 2026 | House Clerk search |
| Senate eFD, periodic transaction reports | 1 | 1 | July 21, 2026 | July 21, 2026 | Senate eFD search |
| SEC EDGAR, Form 4 | 49 | 208 | September 12, 2019 | October 15, 2026 | Form 4 list on EDGAR |
| Lobbying disclosure filings | 26 filings | — | — | — | LDA.gov search |
Site built October 22, 2026. Every row in the tables above links to its own filing. To quote a figure, use the Cite button at the top of the page; see how to cite and reuse.
Insiders and their transactions come from SEC EDGAR Form 4 filings for this issuer. Contracts and lobbying are matched by exact normalized name (suffixes like Inc./Corp. ignored) to USAspending recipients and LDA clients — a conservative match that misses subsidiaries on purpose. See methodology and corrections.
Not investment advice. Public records shown as filed; no recommendation is made or implied.