Company · CIK 0000872589 · SIC 2834 — Pharmaceutical Preparations · Nasdaq
REGENERON PHARMACEUTICALS, INC. · REGN
Insider activity reported against this company. All insider holders · On EDGAR ↗
Reported at this company — common stock
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 2, 2026 SForm 4 → | Sep 3, 4:50 pm EDT | Marion McCourtEVP Commercial | 2,346 | $853.56 | $2,002,458 | 12,003 | −16.3% | 10b5-1 |
| Sep 2, 2026 SForm 4 → | Sep 3, 4:47 pm EDT | Kathryn GuariniDirector | 400 | $850.00 | $340,000 | 603 | −39.9% | 10b5-1 |
| Sep 2, 2026 MForm 4 → | Sep 3, 4:47 pm EDT | Kathryn GuariniDirector | 400 | $719.37 | $287,748 | 1,003 | — | 10b5-1 |
| Aug 19, 2026 FMForm 4 → | Aug 21, 4:01 pm EDT | Joseph J LarosaEVP General Counsel and Secret | 21,301 | $571.70 | $12,177,864 | 36,373 | — | |
| Aug 18, 2026 FMForm 4 → | Aug 20, 4:01 pm EDT | Christopher R. FenimoreEVP Finance CFO | 10,882 | $564.30 | $6,140,752 | 19,984 | — | |
| Aug 10, 2026 SForm 4 → | Aug 12, 4:16 pm EDT | Kathryn GuariniDirector | 400 | $800.00 | $320,000 | 603 | −39.9% | 10b5-1 |
| Aug 10, 2026 MForm 4 → | Aug 12, 4:16 pm EDT | Kathryn GuariniDirector | 400 | $719.37 | $287,748 | 1,003 | — | 10b5-1 |
| Aug 10, 2026 SForm 4 → | Aug 12, 4:14 pm EDT | Huda Y ZoghbiDirector | 800 | $800.00 | $640,000 | 1,703 | −32.0% | 10b5-1 |
| Aug 10, 2026 MForm 4 → | Aug 12, 4:14 pm EDT | Huda Y ZoghbiDirector | 800 | $376.69 | $301,352 | 2,503 | — | 10b5-1 |
| Jul 2, 2026 SForm 4 → | Jul 7, 4:05 pm EDT | Arthur F RyanDirector | 200 | $650.15 | $130,030 | 17,303 | −1.14% | 10b5-1 |
| Mar 8, 2019 SForm 4 → | Mar 12, 8:19 pm EDT | Sanofi10% Owner | 131,115 | $412.17 | $54,041,316 | 20,723,717 | −0.63% | plan? |
| Jan 18, 2019 GMForm 4 → | Jan 18, 5:01 pm EST | Christopher R. FenimoreVP Controller | 450 | $21.25 | $3,188 | 1,547 | — | plan? |
| Jan 10, 2019 SForm 4 → | Jan 11, 4:06 pm EST | Joseph L GoldsteinDirector | 1,791 | $410.00 | $734,310 | 12,323 | −12.7% | plan? |
| Jan 10, 2019 MForm 4 → | Jan 11, 4:06 pm EST | Joseph L GoldsteinDirector | 1,791 | $273.67 | $490,143 | 14,114 | — | plan? |
| Jan 2, 2019 AForm 4 → | Jan 4, 4:13 pm EST | Michael S BrownDirector | 323 | — | — | 323 | — | plan? |
| Jan 2, 2019 AForm 4 → | Jan 4, 4:13 pm EST | Christine A PoonDirector | 323 | — | — | 1,113 | — | plan? |
| Jan 2, 2019 AForm 4 → | Jan 4, 4:12 pm EST | George L SingDirector | 323 | — | — | 115,095 | — | plan? |
| Jan 2, 2019 AForm 4 → | Jan 4, 4:09 pm EST | Joseph L GoldsteinDirector | 323 | — | — | 12,323 | — | plan? |
| Jan 2, 2019 AForm 4 → | Jan 4, 4:08 pm EST | N Anthony ColesDirector | 323 | — | — | 323 | — | plan? |
| Jan 2, 2019 AForm 4 → | Jan 4, 4:05 pm EST | Huda Y ZoghbiDirector | 323 | — | — | 323 | — | plan? |
| Jan 2, 2019 AForm 4 → | Jan 4, 4:04 pm EST | Bonnie L BasslerDirector | 323 | — | — | 323 | — | plan? |
| Jan 2, 2019 AForm 4 → | Jan 4, 4:03 pm EST | Marc Tessier-LavigneDirector | 323 | — | — | 1,510 | — | plan? |
| Dec 20, 2018 SForm 4 → | Dec 20, 5:36 pm EST | Christopher R. FenimoreVP Controller | 1,848 | $358.97 | $663,381 | 7,096 | −20.7% | plan? |
| Dec 19, 2018 FMForm 4 → | Dec 20, 5:36 pm EST | Christopher R. FenimoreVP Controller | 5,727 | $135.79 | $777,648 | 8,944 | — | plan? |
| Dec 13, 2018 FGMForm 4 → | Dec 17, 4:02 pm EST | George YancopoulosPresident and Chief Scientific, Director | 607,089 | $138.94 | $51,284,508 | 602,594 | — | plan? |
| Dec 13, 2018 FMForm 4 → | Dec 14, 4:19 pm EST | Leonard S SchleiferPresident & CEO, Director | 472,631 | $138.94 | $65,669,028 | 423,962 | — | plan? |
| Dec 12, 2018 SForm 4 → | Dec 14, 4:49 pm EST | P Roy VagelosChairman of the Board, Director | 6 | $382.32 | $2,294 | 2,304 | −0.26% | plan? |
| Dec 12, 2018 AForm 4 → | Dec 14, 4:08 pm EST | Robert E LandrySVP Finance & CFO | 12,500 | — | — | 17,348 | — | plan? |
| Dec 12, 2018 AForm 4 → | Dec 14, 4:06 pm EST | Marion McCourtSVP Commercial | 10,000 | — | — | 12,500 | — | plan? |
| Sep 27, 2018 SForm 4 → | Oct 1, 4:06 pm EDT | Joseph L GoldsteinDirector | 2,709 | $402.62 | $1,090,690 | 12,000 | −18.4% | plan? |
| Sep 27, 2018 MForm 4 → | Oct 1, 4:06 pm EDT | Joseph L GoldsteinDirector | 2,709 | $273.67 | $741,372 | 12,709 | — | plan? |
| Sep 27, 2018 SForm 4 → | Sep 28, 4:35 pm EDT | Michael S BrownDirector | 2,000 | $392.26 | $784,524 | 0 | −100% | plan? |
| Sep 27, 2018 MForm 4 → | Sep 28, 4:35 pm EDT | Michael S BrownDirector | 2,000 | $273.67 | $547,340 | 2,000 | — | plan? |
| Sep 24, 2018 SForm 4 → | Sep 25, 4:05 pm EDT | Joseph L GoldsteinDirector | 2,000 | $388.65 | $777,290 | 12,000 | −14.3% | plan? |
| Sep 24, 2018 MForm 4 → | Sep 25, 4:05 pm EDT | Joseph L GoldsteinDirector | 2,000 | $273.67 | $547,340 | 13,000 | — | plan? |
| Sep 10, 2018 FForm 4 → | Sep 11, 4:04 pm EDT | Robert E LandrySVP Finance & CFO | 2,251 | $395.29 | $889,798 | 4,848 | — | plan? |
| Sep 6, 2018 SForm 4 → | Sep 10, 5:01 pm EDT | Sanofi10% Owner | 104,552 | $406.68 | $42,519,249 | 23,654,384 | −0.44% | plan? |
| Aug 30, 2018 AGForm 4 → | Dec 14, 4:18 pm EST | Christopher R. FenimoreVP Controller | 11,000 | — | — | 2,950 | — | plan? late |
| Aug 30, 2018 MForm 4 → | Aug 31, 4:02 pm EDT | Christopher R. FenimoreVP Controller | 50 | $21.25 | $1,063 | 200 | — | plan? |
| Aug 29, 2018 GForm 4 → | Dec 14, 4:49 pm EST | P Roy VagelosChairman of the Board, Director | 85,593 | — | — | 147,413 | — | plan? late |
| Aug 22, 2018 SForm 4 → | Aug 23, 4:01 pm EDT | Michael S BrownDirector | 1,500 | $380.49 | $570,735 | 0 | −100% | plan? |
| Aug 20, 2018 FMForm 4 → | Aug 21, 4:55 pm EDT | P Roy VagelosChairman of the Board, Director | 318 | $141.21 | $44,904 | 399,949 | — | plan? |
| Aug 2, 2018 SForm 4 → | Aug 3, 4:03 pm EDT | Joseph L GoldsteinDirector | 2,000 | $380.00 | $760,000 | 12,000 | −14.3% | plan? |
| Aug 2, 2018 MForm 4 → | Aug 3, 4:03 pm EDT | Joseph L GoldsteinDirector | 2,000 | $57.11 | $114,220 | 14,000 | — | plan? |
| Jul 10, 2018 SForm 4 → | Jul 11, 4:04 pm EDT | P Roy VagelosChairman of the Board, Director | 74,670 | $367.22 | $27,420,277 | 399,847 | −15.7% | plan? |
| Jul 6, 2018 FGMForm 4 → | Jul 11, 4:04 pm EDT | P Roy VagelosChairman of the Board, Director | 232,488 | $136.71 | $31,699,357 | 147,934 | — | plan? late |
| Jul 5, 2018 SForm 4 → | Jul 9, 4:04 pm EDT | Joseph L GoldsteinDirector | 4,000 | $365.00 | $1,460,000 | 12,000 | −25.0% | plan? |
| Jul 5, 2018 MForm 4 → | Jul 9, 4:04 pm EDT | Joseph L GoldsteinDirector | 4,000 | $57.11 | $228,440 | 14,000 | — | plan? |
| Jun 21, 2018 SForm 4 → | Jun 22, 4:03 pm EDT | P Roy VagelosChairman of the Board, Director | 74,710 | $327.87 | $24,495,410 | 399,847 | −15.7% | plan? |
| Jun 8, 2018 SForm 4 → | Jun 11, 4:30 pm EDT | Sanofi10% Owner | 121,601 | $309.31 | $37,611,882 | 23,758,936 | −0.51% | plan? |
| May 24, 2018 SForm 4 → | May 25, 4:03 pm EDT | Neil StahlEVP Research and Development | 11,407 | $295.09 | $3,366,092 | 31,973 | −26.3% | plan? |
| May 23, 2018 FMForm 4 → | May 25, 4:03 pm EDT | Neil StahlEVP Research and Development | 42,065 | $126.49 | $5,320,744 | 43,380 | — | plan? |
| May 9, 2018 SForm 4 → | May 11, 4:02 pm EDT | George L SingDirector | 20,000 | $286.15 | $5,723,030 | 114,772 | −14.8% | plan? |
| Mar 19, 2018 GMForm 4 → | Aug 23, 4:01 pm EDT | Michael S BrownDirector | 11,500 | $177.82 | $266,730 | 12,349 | — | plan? late |
| Mar 19, 2018 SForm 4 → | Mar 19, 4:47 pm EDT | Joseph L GoldsteinDirector | 2,000 | $350.02 | $700,040 | 12,000 | −14.3% | plan? |
| Mar 19, 2018 MForm 4 → | Mar 19, 4:47 pm EDT | Joseph L GoldsteinDirector | 2,000 | $57.11 | $114,220 | 14,000 | — | plan? |
| Mar 14, 2018 SForm 4 → | Mar 14, 4:01 pm EDT | Joseph L GoldsteinDirector | 2,000 | $340.00 | $680,000 | 12,000 | −14.3% | plan? |
| Mar 14, 2018 MForm 4 → | Mar 14, 4:01 pm EDT | Joseph L GoldsteinDirector | 2,000 | $57.11 | $114,220 | 14,000 | — | plan? |
| Feb 14, 2018 AGForm 4 → | Jan 4, 2019, 4:07 pm EST | Arthur F RyanDirector | 3,823 | — | — | 28,823 | — | plan? late |
| Feb 12, 2018 AForm 4 → | Feb 12, 5:17 pm EST | Marion McCourtSVP Commercial | 2,500 | — | — | 2,500 | — | plan? |
| Feb 9, 2018 SForm 4 → | Feb 13, 4:01 pm EST | Joseph L GoldsteinDirector | 1,000 | $325.60 | $325,600 | 12,000 | −7.69% | plan? |
| Jan 16, 2018 MForm 4 → | Jan 17, 4:07 pm EST | Christopher R. FenimoreVP Controller | 150 | $21.25 | $3,188 | 150 | — | plan? |
| Jan 2, 2018 FGMForm 4 → | Jun 22, 4:03 pm EDT | P Roy VagelosChairman of the Board, Director | 233,011 | $123.98 | $28,742,315 | 148,544 | — | plan? late |
| Jan 2, 2018 MForm 4 → | Jan 3, 4:13 pm EST | George L SingDirector | 15,000 | $23.84 | $357,600 | 134,772 | — | plan? |
| Dec 18, 2017 FForm 4 → | Dec 20, 4:05 pm EST | George YancopoulosPresident & CSO, Director | 257,850 | $386.90 | $99,762,165 | 422,762 | — | plan? |
| Dec 13, 2017 FMForm 4 → | Dec 13, 5:17 pm EST | Leonard S SchleiferPresident & CEO, Director | 385,816 | $149.76 | $57,780,025 | 271,593 | — | plan? |
| Dec 13, 2017 FMForm 4 → | Dec 13, 5:17 pm EST | George YancopoulosPresident & CSO, Director | 301,612 | $149.76 | $45,169,485 | 680,612 | — | plan? |
| Oct 5, 2017 SForm 4 → | Oct 5, 4:18 pm EDT | Michael S BrownDirector | 1,500 | $475.00 | $712,500 | 0 | −100% | plan? |
| Oct 5, 2017 MForm 4 → | Oct 5, 4:18 pm EDT | Michael S BrownDirector | 1,500 | $177.82 | $266,730 | 1,500 | — | plan? |
| Oct 3, 2017 FGMForm 4 → | Dec 13, 4:53 pm EST | P Roy VagelosChairman of the Board, Director | 238,202 | $149.15 | $35,442,958 | 149,717 | — | plan? late |
| Sep 29, 2017 SForm 4 → | Oct 3, 4:00 pm EDT | Charles A BakerDirector | 2,000 | $450.00 | $900,000 | 9,000 | −18.2% | plan? |
| Sep 29, 2017 MForm 4 → | Oct 3, 4:00 pm EDT | Charles A BakerDirector | 2,000 | $18.61 | $37,220 | 11,000 | — | plan? |
| Sep 5, 2017 SForm 4 → | Sep 6, 5:06 pm EDT | Robert E LandrySVP Finance & CFO | 663 | $498.60 | $330,574 | 7,099 | −8.54% | plan? |
| Sep 1, 2017 FMForm 4 → | Sep 6, 5:06 pm EDT | Robert E LandrySVP Finance & CFO | 5,337 | $372.80 | $1,989,615 | 7,762 | — | plan? |
| Aug 31, 2017 SForm 4 → | Sep 1, 4:04 pm EDT | Robert E LandrySVP Finance & CFO | 427 | $493.43 | $210,693 | 7,099 | −5.67% | plan? |
| Aug 30, 2017 FMForm 4 → | Sep 1, 4:04 pm EDT | Robert E LandrySVP Finance & CFO | 3,573 | $367.01 | $1,311,309 | 7,526 | — | plan? |
| Aug 25, 2017 PForm 4 → | Aug 29, 5:00 pm EDT | Sanofi10% Owner | 72,378 | $481.36 | $34,840,133 | 23,880,537 | +0.30% | plan? |
| Aug 23, 2017 PForm 4 → | Aug 25, 5:00 pm EDT | Sanofi10% Owner | 166,415 | $480.93 | $80,033,622 | 23,808,159 | +0.70% | plan? |
| Aug 23, 2017 SForm 4 → | Aug 24, 4:47 pm EDT | Robert E LandrySVP Finance & CFO | 468 | $476.45 | $222,981 | 7,099 | −6.18% | plan? |
| Aug 22, 2017 FMForm 4 → | Aug 24, 4:47 pm EDT | Robert E LandrySVP Finance & CFO | 3,532 | $360.92 | $1,274,785 | 7,567 | — | plan? |
| Aug 21, 2017 SForm 4 → | Aug 23, 4:21 pm EDT | P Roy VagelosChairman of the Board, Director | 56,213 | $474.48 | $26,671,891 | 329,543 | −14.6% | plan? |
| Aug 17, 2017 WForm 5 → | Feb 8, 2018, 4:06 pm EST | George YancopoulosPresident and CSO, Director | 847 | — | — | 423,609 | — | plan? |
| Aug 16, 2017 SForm 4 → | Aug 18, 5:00 pm EDT | P Roy VagelosChairman of the Board, Director | 15,191 | $470.15 | $7,142,073 | 385,756 | −3.79% | plan? |
| Aug 10, 2017 MForm 4 → | Aug 11, 4:02 pm EDT | Robert J TerifayEVP Commercial | 1,921 | $52.03 | $99,950 | 25,214 | — | plan? |
| Aug 8, 2017 SForm 4 → | Aug 9, 4:03 pm EDT | Robert E LandrySVP Finance & CFO | 526 | $472.19 | $248,372 | 7,099 | −6.90% | plan? |
| Aug 7, 2017 FMForm 4 → | Aug 9, 4:03 pm EDT | Robert E LandrySVP Finance & CFO | 3,474 | $355.13 | $1,233,729 | 7,625 | — | plan? |
| Jul 3, 2017 FGMForm 4 → | Aug 18, 5:00 pm EDT | P Roy VagelosChairman of the Board, Director | 321,569 | $178.82 | $42,296,967 | 150,285 | — | plan? late |
| Jun 22, 2017 SForm 4 → | Jun 23, 4:10 pm EDT | Michael S AbermanSVP Strategy Investor Relation | 2,269 | $532.42 | $1,208,061 | 4,693 | −32.6% | plan? |
| Jun 22, 2017 SForm 4 → | Jun 23, 4:09 pm EDT | Neil StahlEVP Research and Development | 8,306 | $532.55 | $4,423,332 | 23,950 | −25.8% | plan? |
| Jun 21, 2017 FMForm 4 → | Jun 23, 4:10 pm EDT | Michael S AbermanSVP Strategy Investor Relation | 6,731 | $189.52 | $1,275,690 | 6,962 | — | plan? |
| Jun 21, 2017 FMForm 4 → | Jun 23, 4:09 pm EDT | Neil StahlEVP Research and Development | 31,694 | $207.51 | $6,576,774 | 32,256 | — | plan? |
| Jun 20, 2017 SForm 4 → | Jun 21, 4:12 pm EDT | Joseph L GoldsteinDirector | 1,000 | $500.01 | $500,010 | 13,000 | −7.14% | plan? |
| Jun 20, 2017 MForm 4 → | Jun 21, 4:12 pm EDT | Joseph L GoldsteinDirector | 1,000 | $273.67 | $273,670 | 14,000 | — | plan? |
| Jun 20, 2017 SForm 4 → | Jun 21, 4:11 pm EDT | Michael S BrownDirector | 3,000 | $500.00 | $1,500,000 | 0 | −100% | plan? |
| Jun 20, 2017 MForm 4 → | Jun 21, 4:11 pm EDT | Michael S BrownDirector | 3,000 | $177.82 | $533,460 | 3,000 | — | plan? |
| Jun 16, 2017 SForm 4 → | Jun 19, 4:44 pm EDT | Robert J TerifayEVP Commercial | 21,147 | $468.19 | $9,900,814 | 23,293 | −47.6% | plan? |
| Jun 15, 2017 FMForm 4 → | Jun 19, 4:44 pm EDT | Robert J TerifayEVP Commercial | 76,353 | $202.66 | $15,473,713 | 44,440 | — | plan? |
| Jun 15, 2017 SForm 4 → | Jun 16, 4:36 pm EDT | Neil StahlEVP Research and Development | 8,567 | $468.45 | $4,013,177 | 23,950 | −26.3% | plan? |
| Jun 14, 2017 FMForm 4 → | Jun 16, 4:36 pm EDT | Neil StahlEVP Research and Development | 32,023 | $187.64 | $6,008,636 | 32,517 | — | plan? |
| Jun 12, 2017 SForm 4 → | Jun 14, 4:36 pm EDT | Michael S BrownDirector | 2,000 | $474.45 | $948,890 | 0 | −100% | plan? |
Reported at this company — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 2, 2026 MForm 4 → | Sep 3, 4:47 pm EDT | Kathryn GuariniDirector | 400 | — | — | 1,158 | — | 10b5-1 |
| Aug 19, 2026 MForm 4 → | Aug 21, 4:01 pm EDT | Joseph J LarosaEVP General Counsel and Secret | 12,282 | — | — | 12,283 | — | |
| Aug 18, 2026 MForm 4 → | Aug 20, 4:01 pm EDT | Christopher R. FenimoreEVP Finance CFO | 6,283 | — | — | 6,000 | — | |
| Aug 10, 2026 MForm 4 → | Aug 12, 4:16 pm EDT | Kathryn GuariniDirector | 400 | — | — | 1,558 | — | 10b5-1 |
| Aug 10, 2026 MForm 4 → | Aug 12, 4:14 pm EDT | Huda Y ZoghbiDirector | 800 | — | — | 0 | — | 10b5-1 |
| Jan 18, 2019 MForm 4 → | Jan 18, 5:01 pm EST | Christopher R. FenimoreVP Controller | 150 | — | — | 350 | — | |
| Jan 10, 2019 MForm 4 → | Jan 11, 4:06 pm EST | Joseph L GoldsteinDirector | 1,791 | — | — | 0 | — | |
| Jan 2, 2019 AForm 4 → | Jan 4, 4:13 pm EST | Michael S BrownDirector | 3,784 | — | — | 3,784 | — | |
| Jan 2, 2019 AForm 4 → | Jan 4, 4:13 pm EST | Christine A PoonDirector | 3,784 | — | — | 3,784 | — | |
| Jan 2, 2019 AForm 4 → | Jan 4, 4:12 pm EST | George L SingDirector | 3,784 | — | — | 3,784 | — | |
| Jan 2, 2019 AForm 4 → | Jan 4, 4:09 pm EST | Joseph L GoldsteinDirector | 3,784 | — | — | 3,784 | — | |
| Jan 2, 2019 AForm 4 → | Jan 4, 4:08 pm EST | N Anthony ColesDirector | 3,784 | — | — | 3,784 | — | |
| Jan 2, 2019 AForm 4 → | Jan 4, 4:07 pm EST | Arthur F RyanDirector | 3,784 | — | — | 3,784 | — | |
| Jan 2, 2019 AForm 4 → | Jan 4, 4:05 pm EST | Huda Y ZoghbiDirector | 3,784 | — | — | 3,784 | — | |
| Jan 2, 2019 AForm 4 → | Jan 4, 4:04 pm EST | Bonnie L BasslerDirector | 3,784 | — | — | 3,784 | — | |
| Jan 2, 2019 AForm 4 → | Jan 4, 4:03 pm EST | Marc Tessier-LavigneDirector | 3,784 | — | — | 3,784 | — | |
| Dec 19, 2018 MForm 4 → | Dec 20, 5:36 pm EST | Christopher R. FenimoreVP Controller | 4,125 | — | — | 10,326 | — | |
| Dec 13, 2018 MForm 4 → | Dec 17, 4:02 pm EST | George YancopoulosPresident and Chief Scientific, Director | 244,048 | — | — | 0 | — | |
| Dec 12, 2018 AForm 4 → | Dec 14, 4:49 pm EST | P Roy VagelosChairman of the Board, Director | 36,273 | — | — | 36,273 | — | |
| Dec 12, 2018 AForm 4 → | Dec 14, 4:21 pm EST | George YancopoulosPresident and CSO, Director | 129,013 | — | — | 129,013 | — | |
| Dec 12, 2018 AMForm 4 → | Dec 14, 4:19 pm EST | Leonard S SchleiferPresident & CEO, Director | 441,513 | — | — | 129,013 | — | |
| Dec 12, 2018 AForm 4 → | Dec 14, 4:18 pm EST | Christopher R. FenimoreVP Controller | 11,400 | — | — | 11,400 | — | |
| Dec 12, 2018 AForm 4 → | Dec 14, 4:12 pm EST | Joseph J LarosaSVP General Counsel and Secret | 20,000 | — | — | 20,000 | — | |
| Dec 12, 2018 AForm 4 → | Dec 14, 4:08 pm EST | Robert E LandrySVP Finance & CFO | 20,000 | — | — | 20,000 | — | |
| Dec 12, 2018 AForm 4 → | Dec 14, 4:06 pm EST | Marion McCourtSVP Commercial | 10,000 | — | — | 10,000 | — | |
| Dec 12, 2018 AForm 4 → | Dec 14, 4:05 pm EST | Neil StahlEVP Research and Development | 20,000 | — | — | 20,000 | — | |
| Dec 12, 2018 AForm 4 → | Dec 14, 4:03 pm EST | Daniel P Van PlewEVP & General Mgr Industrial O | 46,250 | — | — | 46,250 | — | |
| Sep 27, 2018 MForm 4 → | Oct 1, 4:06 pm EDT | Joseph L GoldsteinDirector | 2,709 | — | — | 1,791 | — | |
| Sep 27, 2018 MForm 4 → | Sep 28, 4:35 pm EDT | Michael S BrownDirector | 2,000 | — | — | 10,750 | — | |
| Sep 24, 2018 MForm 4 → | Sep 25, 4:05 pm EDT | Joseph L GoldsteinDirector | 2,000 | — | — | 4,500 | — | |
| Aug 30, 2018 MForm 4 → | Aug 31, 4:02 pm EDT | Christopher R. FenimoreVP Controller | 50 | — | — | 1,175 | — | |
| Aug 22, 2018 MForm 4 → | Aug 23, 4:01 pm EDT | Michael S BrownDirector | 1,500 | — | — | 0 | — | |
| Aug 20, 2018 MForm 4 → | Aug 21, 4:55 pm EDT | P Roy VagelosChairman of the Board, Director | 210 | — | — | 307,585 | — | |
| Aug 2, 2018 MForm 4 → | Aug 3, 4:03 pm EDT | Joseph L GoldsteinDirector | 2,000 | — | — | 0 | — | |
| Jul 9, 2018 MForm 4 → | Jul 11, 4:04 pm EDT | P Roy VagelosChairman of the Board, Director | 153,274 | — | — | 0 | — | |
| Jul 5, 2018 MForm 4 → | Jul 9, 4:04 pm EDT | Joseph L GoldsteinDirector | 4,000 | — | — | 2,000 | — | |
| Jun 20, 2018 MForm 4 → | Jun 22, 4:03 pm EDT | P Roy VagelosChairman of the Board, Director | 153,274 | — | — | 153,274 | — | |
| May 23, 2018 MForm 4 → | May 25, 4:03 pm EDT | Neil StahlEVP Research and Development | 26,736 | — | — | 0 | — | |
| Mar 19, 2018 MForm 4 → | Mar 19, 4:47 pm EDT | Joseph L GoldsteinDirector | 2,000 | — | — | 6,000 | — | |
| Mar 14, 2018 MForm 4 → | Mar 14, 4:01 pm EDT | Joseph L GoldsteinDirector | 2,000 | — | — | 8,000 | — | |
| Feb 12, 2018 AForm 4 → | Feb 12, 5:17 pm EST | Marion McCourtSVP Commercial | 20,000 | — | — | 20,000 | — | |
| Jan 16, 2018 MForm 4 → | Jan 17, 4:07 pm EST | Christopher R. FenimoreVP Controller | 150 | — | — | 1,225 | — | |
| Jan 2, 2018 AForm 4 → | Jan 4, 4:06 pm EST | N Anthony ColesDirector | 6,909 | — | — | 6,909 | — | |
| Jan 2, 2018 AForm 4 → | Jan 3, 4:14 pm EST | Charles A BakerDirector | 7,439 | — | — | 7,439 | — | |
| Jan 2, 2018 AForm 4 → | Jan 3, 4:14 pm EST | Huda Y ZoghbiDirector | 7,439 | — | — | 7,439 | — | |
| Jan 2, 2018 AForm 4 → | Jan 3, 4:13 pm EST | Michael S BrownDirector | 7,439 | — | — | 7,439 | — | |
| Jan 2, 2018 AForm 4 → | Jan 3, 4:13 pm EST | Marc Tessier-LavigneDirector | 7,439 | — | — | 7,439 | — | |
| Jan 2, 2018 AMForm 4 → | Jan 3, 4:13 pm EST | George L SingDirector | 22,439 | — | — | 7,439 | — | |
| Jan 2, 2018 AForm 4 → | Jan 3, 4:12 pm EST | Bonnie L BasslerDirector | 7,439 | — | — | 7,439 | — | |
| Jan 2, 2018 AForm 4 → | Jan 3, 4:12 pm EST | Joseph L GoldsteinDirector | 7,439 | — | — | 7,439 | — | |
| Jan 2, 2018 AForm 4 → | Jan 3, 4:11 pm EST | Arthur F RyanDirector | 7,439 | — | — | 7,439 | — | |
| Jan 2, 2018 AForm 4 → | Jan 3, 4:10 pm EST | Christine A PoonDirector | 7,439 | — | — | 7,439 | — | |
| Dec 12, 2017 AMForm 4 → | Dec 13, 5:17 pm EST | Leonard S SchleiferPresident & CEO, Director | 389,474 | — | — | 139,474 | — | |
| Dec 12, 2017 AMForm 4 → | Dec 13, 5:17 pm EST | George YancopoulosPresident & CSO, Director | 334,912 | — | — | 139,474 | — | |
| Dec 12, 2017 AForm 4 → | Dec 13, 4:53 pm EST | Joseph J LarosaSVP General Counsel and Secret | 23,337 | — | — | 23,337 | — | |
| Dec 12, 2017 AForm 4 → | Dec 13, 4:53 pm EST | Christopher R. FenimoreVP Controller | 12,300 | — | — | 12,300 | — | |
| Dec 12, 2017 AForm 4 → | Dec 13, 4:53 pm EST | Daniel P Van PlewEVP & General Mgr Industrial O | 50,000 | — | — | 50,000 | — | |
| Dec 12, 2017 AForm 4 → | Dec 13, 4:52 pm EST | Neil StahlEVP Research and Development | 50,000 | — | — | 50,000 | — | |
| Dec 12, 2017 AForm 4 → | Dec 13, 4:52 pm EST | Robert J TerifayEVP Commercial | 32,300 | — | — | 32,300 | — | |
| Dec 12, 2017 AForm 4 → | Dec 13, 4:52 pm EST | Robert E LandrySVP Finance & CFO | 23,337 | — | — | 23,337 | — | |
| Dec 11, 2017 AMForm 4 → | Dec 13, 4:53 pm EST | P Roy VagelosChairman of the Board, Director | 228,359 | — | — | 74,390 | — | |
| Oct 5, 2017 MForm 4 → | Oct 5, 4:18 pm EDT | Michael S BrownDirector | 1,500 | — | — | 1,500 | — | |
| Sep 29, 2017 MForm 4 → | Oct 3, 4:00 pm EDT | Charles A BakerDirector | 2,000 | — | — | 0 | — | |
| Sep 1, 2017 MForm 4 → | Sep 6, 5:06 pm EDT | Robert E LandrySVP Finance & CFO | 3,000 | — | — | 57,000 | — | |
| Aug 30, 2017 MForm 4 → | Sep 1, 4:04 pm EDT | Robert E LandrySVP Finance & CFO | 2,000 | — | — | 60,000 | — | |
| Aug 22, 2017 MForm 4 → | Aug 24, 4:47 pm EDT | Robert E LandrySVP Finance & CFO | 2,000 | — | — | 62,000 | — | |
| Aug 16, 2017 MForm 4 → | Aug 18, 5:00 pm EDT | P Roy VagelosChairman of the Board, Director | 153,969 | — | — | 153,969 | — | |
| Aug 10, 2017 MForm 4 → | Aug 11, 4:02 pm EDT | Robert J TerifayEVP Commercial | 1,921 | — | — | 0 | — | |
| Aug 7, 2017 MForm 4 → | Aug 9, 4:03 pm EDT | Robert E LandrySVP Finance & CFO | 2,000 | — | — | 64,000 | — | |
| Jun 21, 2017 MForm 4 → | Jun 23, 4:10 pm EDT | Michael S AbermanSVP Strategy Investor Relation | 4,500 | — | — | 3,000 | — | |
| Jun 21, 2017 MForm 4 → | Jun 23, 4:09 pm EDT | Neil StahlEVP Research and Development | 20,000 | — | — | 26,736 | — | |
| Jun 20, 2017 MForm 4 → | Jun 21, 4:12 pm EDT | Joseph L GoldsteinDirector | 1,000 | — | — | 6,500 | — | |
| Jun 20, 2017 MForm 4 → | Jun 21, 4:11 pm EDT | Michael S BrownDirector | 3,000 | — | — | 3,000 | — | |
| Jun 15, 2017 MForm 4 → | Jun 19, 4:44 pm EDT | Robert J TerifayEVP Commercial | 48,750 | — | — | 30,579 | — | |
| Jun 14, 2017 MForm 4 → | Jun 16, 4:36 pm EDT | Neil StahlEVP Research and Development | 20,295 | — | — | 0 | — | |
| Jun 12, 2017 MForm 4 → | Jun 14, 4:36 pm EDT | Michael S BrownDirector | 2,000 | — | — | 6,000 | — | |
| Jun 9, 2017 MForm 4 → | Jun 13, 5:06 pm EDT | Joseph L GoldsteinDirector | 1,000 | — | — | 7,500 | — | |
| Jun 1, 2017 MForm 4 → | Jun 5, 4:52 pm EDT | Neil StahlEVP Research and Development | 10,544 | — | — | 0 | — | |
| May 12, 2017 MForm 4 → | May 15, 4:07 pm EDT | Michael S BrownDirector | 3,000 | — | — | 8,000 | — | |
| Mar 29, 2017 MForm 4 → | Mar 30, 4:42 pm EDT | Michael S BrownDirector | 1,000 | — | — | 11,000 | — | |
| Jan 27, 2017 AForm 4 → | Jan 31, 5:03 pm EST | N Anthony ColesDirector | 13,050 | — | — | 13,050 | — | |
| Jan 3, 2017 AForm 4 → | Jan 5, 4:05 pm EST | Charles A BakerDirector | 7,830 | — | — | 7,830 | — | |
| Jan 3, 2017 AForm 4 → | Jan 5, 4:03 pm EST | Marc Tessier-LavigneDirector | 7,830 | — | — | 7,830 | — | |
| Jan 3, 2017 AForm 4 → | Jan 4, 4:48 pm EST | Christine A PoonDirector | 7,830 | — | — | 7,830 | — | |
| Jan 3, 2017 AForm 4 → | Jan 4, 4:47 pm EST | Bonnie L BasslerDirector | 2,438 | — | — | 2,438 | — | |
| Jan 3, 2017 AForm 4 → | Jan 4, 4:14 pm EST | Michael S BrownDirector | 7,830 | — | — | 7,830 | — | |
| Jan 3, 2017 AForm 4 → | Jan 4, 4:13 pm EST | Joseph L GoldsteinDirector | 7,830 | — | — | 7,830 | — | |
| Jan 3, 2017 AForm 4 → | Jan 4, 4:13 pm EST | Arthur F RyanDirector | 7,830 | — | — | 7,830 | — | |
| Jan 3, 2017 AMForm 4 → | Jan 4, 4:12 pm EST | George L SingDirector | 14,830 | — | — | 7,830 | — | |
| Jan 3, 2017 AForm 4 → | Jan 4, 4:10 pm EST | Huda Y ZoghbiDirector | 2,438 | — | — | 2,438 | — | |
| Dec 16, 2016 AForm 4 → | Dec 20, 4:29 pm EST | P Roy VagelosChairman of the Board, Director | 78,302 | — | — | 78,302 | — | |
| Dec 16, 2016 AForm 4 → | Dec 20, 4:28 pm EST | Neil StahlEVP Research and Development | 58,342 | — | — | 58,342 | — | |
| Dec 16, 2016 AForm 4 → | Dec 19, 4:18 pm EST | Joseph J LarosaSVP General Counsel and Secret | 24,565 | — | — | 24,565 | — | |
| Dec 16, 2016 AForm 4 → | Dec 19, 4:17 pm EST | Michael S AbermanSVP Strategy Investor Relation | 21,675 | — | — | 21,675 | — | |
| Dec 16, 2016 AForm 4 → | Dec 19, 4:16 pm EST | Daniel P Van PlewEVP & General Mgr Industrial O | 34,000 | — | — | 34,000 | — | |
| Dec 16, 2016 AForm 4 → | Dec 19, 4:16 pm EST | Robert J TerifayEVP Commercial | 34,000 | — | — | 34,000 | — | |
| Dec 16, 2016 AForm 4 → | Dec 19, 4:15 pm EST | Peter PowchikSVP Clinical Development & Reg | 5,000 | — | — | 5,000 | — | |
| Dec 16, 2016 AForm 4 → | Dec 19, 4:14 pm EST | Robert E LandrySVP Finance & CFO | 24,565 | — | — | 24,565 | — | |
| Dec 15, 2016 AMForm 4 → | Dec 19, 4:09 pm EST | George YancopoulosPresident Regeneron Laboratori, Director | 341,894 | — | — | 146,815 | — | |
| Dec 15, 2016 AMForm 4 → | Dec 19, 4:07 pm EST | Leonard S SchleiferPresident & CEO, Director | 396,815 | — | — | 146,815 | — |