REGENERON PHARMACEUTICALS (REGN)
US75886F1075 - Common Stock
| Shares Outstanding | 109.76M |
| Float | 105.07M |
| Owners (insider) | 1.75% |
| Owners (institutional) | 83.98% |
| Owners (insider) change | 2.39% |
| Owners (institutional) change | -0.25% |
Insider Transactions
Top Institutional Holders
Insider Owners
| Date | Name | Type | Shares | Price | Amount |
|---|---|---|---|---|---|
| Apr 1, 2024 | RYAN ARTHUR F | Open Market Sale | 100 | 962.53 | $ 96,253.25 |
| Apr 1, 2024 | McCourt Marion | Open Market Sale | 250 | 964.73 | $ 241,182.50 |
| Mar 14, 2024 | MURPHY ANDREW J | Open Market Sale | 5783 | 956.47 | $ 5,531,289.51 |
| Mar 13, 2024 | MURPHY ANDREW J | Option Excercise | 20000 | 399.66 | $ 7,993,200.00 |
| Mar 13, 2024 | MURPHY ANDREW J | Option Excercise | 14217 | 971.82 | $ 13,816,364.94 |
| Mar 1, 2024 | RYAN ARTHUR F | Open Market Sale | 100 | 982.05 | $ 98,205.40 |
| Mar 1, 2024 | McCourt Marion | Open Market Sale | 358 | 967.50 | $ 346,365.00 |
| Feb 26, 2024 | Bassler Bonnie L | Option Excercise | 854 | 391.92 | $ 334,699.68 |
| Feb 26, 2024 | Bassler Bonnie L | Open Market Sale | 854 | 979.25 | $ 836,279.50 |
| Feb 26, 2024 | LAROSA JOSEPH J | Open Market Sale | 1000 | 990.00 | $ 990,000.00 |
| Feb 26, 2024 | SING GEORGE L | Option Excercise | 1000 | 413.33 | $ 413,330.00 |
| Feb 26, 2024 | SING GEORGE L | Open Market Sale | 1000 | 992.50 | $ 992,500.00 |
| Feb 26, 2024 | STAHL NEIL | Other Disposition | 1020 | 0.00 | $ 0.00 |
| Feb 22, 2024 | LAROSA JOSEPH J | Open Market Sale | 1000 | 967.65 | $ 967,650.00 |
| Feb 22, 2024 | SING GEORGE L | Option Excercise | 3500 | 413.33 | $ 1,446,655.00 |
| Feb 22, 2024 | SING GEORGE L | Open Market Sale | 3500 | 967.86 | $ 3,387,500.00 |
| Feb 15, 2024 | YANCOPOULOS GEORGE | Option Excercise | 172723 | 399.66 | $ 69,030,474.18 |
| Feb 15, 2024 | YANCOPOULOS GEORGE | Option Excercise | 123601 | 953.83 | $ 117,894,341.83 |
| Feb 14, 2024 | Van Plew Daniel P | Open Market Sale | 10434 | 942.28 | $ 9,831,726.98 |
| Feb 9, 2024 | Fenimore Christopher R. | Open Market Sale | 4919 | 953.31 | $ 4,689,319.75 |
| Feb 9, 2024 | Van Plew Daniel P | Option Excercise | 35375 | 378.30 | $ 13,382,510.00 |
| Feb 9, 2024 | Van Plew Daniel P | Option Excercise | 24941 | 951.68 | $ 23,735,850.88 |
| Feb 8, 2024 | SING GEORGE L | Option Excercise | 1000 | 413.33 | $ 413,330.00 |
| Feb 8, 2024 | SING GEORGE L | Open Market Sale | 1000 | 950.00 | $ 950,000.00 |
| Feb 7, 2024 | STAHL NEIL | Open Market Sale | 8037 | 950.35 | $ 7,637,953.96 |
| Feb 7, 2024 | LAROSA JOSEPH J | Open Market Sale | 1000 | 950.00 | $ 950,000.00 |
| Feb 5, 2024 | McCourt Marion | Open Market Sale | 1000 | 934.71 | $ 934,710.00 |
| Feb 2, 2024 | STAHL NEIL | Option Excercise | 30750 | 399.66 | $ 12,289,545.00 |
| Feb 2, 2024 | STAHL NEIL | Option Excercise | 22713 | 956.65 | $ 21,728,391.45 |
| Feb 2, 2024 | Landry Robert E | Option Excercise | 400 | 378.98 | $ 151,592.00 |
| Feb 2, 2024 | Landry Robert E | Option Excercise | 281 | 956.65 | $ 268,818.65 |
| Feb 1, 2024 | McCourt Marion | Open Market Sale | 273 | 945.61 | $ 258,151.53 |
| Feb 1, 2024 | RYAN ARTHUR F | Open Market Sale | 100 | 954.22 | $ 95,422.26 |
| Jan 31, 2024 | Landry Robert E | Option Excercise | 400 | 378.98 | $ 151,592.00 |
| Jan 31, 2024 | Landry Robert E | Option Excercise | 282 | 953.42 | $ 268,864.44 |
| Jan 30, 2024 | Bassler Bonnie L | Option Excercise | 827 | 380.95 | $ 315,045.65 |
| Jan 30, 2024 | Bassler Bonnie L | Open Market Sale | 827 | 959.00 | $ 793,093.00 |
| Jan 23, 2024 | GOLDSTEIN JOSEPH L | Option Excercise | 2707 | 625.60 | $ 1,693,499.20 |
| Jan 23, 2024 | GOLDSTEIN JOSEPH L | Open Market Sale | 2707 | 950.00 | $ 2,571,650.00 |
| Jan 23, 2024 | Fenimore Christopher R. | Option Excercise | 10000 | 477.67 | $ 4,776,650.00 |
| Jan 23, 2024 | Fenimore Christopher R. | Option Excercise | 7569 | 948.50 | $ 7,179,196.50 |
| Jan 23, 2024 | Landry Robert E | Option Excercise | 1600 | 378.98 | $ 606,368.00 |
| Jan 23, 2024 | Landry Robert E | Option Excercise | 1128 | 949.36 | $ 1,070,879.52 |
| Jan 17, 2024 | Landry Robert E | Option Excercise | 500 | 378.98 | $ 189,490.00 |
| Jan 17, 2024 | Landry Robert E | Option Excercise | 354 | 932.34 | $ 330,048.36 |
| Jan 12, 2024 | Landry Robert E | Option Excercise | 800 | 378.98 | $ 303,184.00 |
| Jan 12, 2024 | Landry Robert E | Option Excercise | 568 | 928.18 | $ 527,206.24 |
| Jan 4, 2024 | Landry Robert E | Option Excercise | 500 | 378.98 | $ 189,490.00 |
| Jan 4, 2024 | Landry Robert E | Option Excercise | 342 | 917.05 | $ 313,631.10 |
| Jan 3, 2024 | Fenimore Christopher R. | Option Excercise | 10000 | 477.67 | $ 4,776,650.00 |
| Jan 3, 2024 | Fenimore Christopher R. | Option Excercise | 7512 | 912.30 | $ 6,853,197.60 |
| Jan 3, 2024 | LAROSA JOSEPH J | Option Excercise | 34000 | 399.66 | $ 13,588,440.00 |
| Jan 3, 2024 | LAROSA JOSEPH J | Option Excercise | 24493 | 912.30 | $ 22,344,963.90 |
| Jan 3, 2024 | Bassler Bonnie L | Option Excercise | 826 | 380.95 | $ 314,664.70 |
| Jan 3, 2024 | Bassler Bonnie L | Open Market Sale | 826 | 914.00 | $ 754,964.00 |
| Jan 2, 2024 | YANCOPOULOS GEORGE | Open Market Sale | 16848 | 900.00 | $ 15,163,200.00 |
| Jan 2, 2024 | Landry Robert E | Option Excercise | 1750 | 378.98 | $ 663,215.00 |
| Jan 2, 2024 | Landry Robert E | Option Excercise | 1109 | 903.20 | $ 1,001,653.54 |
| Jan 2, 2024 | McCourt Marion | Open Market Sale | 274 | 873.91 | $ 239,451.34 |
| Jan 2, 2024 | Schenkein David P | Grant | 42 | 0.00 | $ 0.00 |
| Jan 2, 2024 | Guarini Kathryn | Grant | 42 | 0.00 | $ 0.00 |
| Jan 2, 2024 | Thompson Craig B. | Grant | 135 | 0.00 | $ 0.00 |
| Jan 2, 2024 | COLES N ANTHONY | Grant | 135 | 0.00 | $ 0.00 |
| Jan 2, 2024 | Bassler Bonnie L | Grant | 135 | 0.00 | $ 0.00 |
| Jan 2, 2024 | Zoghbi Huda Y | Option Excercise | 1117 | 391.92 | $ 437,774.64 |
| Jan 2, 2024 | Zoghbi Huda Y | Open Market Sale | 1117 | 900.00 | $ 1,005,300.00 |
| Jan 2, 2024 | Zoghbi Huda Y | Grant | 135 | 0.00 | $ 0.00 |
| Jan 2, 2024 | POON CHRISTINE A | Grant | 135 | 0.00 | $ 0.00 |
| Jan 2, 2024 | RYAN ARTHUR F | Open Market Sale | 100 | 899.90 | $ 89,990.14 |
| Jan 2, 2024 | RYAN ARTHUR F | Grant | 135 | 0.00 | $ 0.00 |
| Jan 2, 2024 | SING GEORGE L | Grant | 135 | 0.00 | $ 0.00 |
| Jan 2, 2024 | GOLDSTEIN JOSEPH L | Grant | 135 | 0.00 | $ 0.00 |
| Jan 2, 2024 | BROWN MICHAEL S | Grant | 135 | 0.00 | $ 0.00 |
| Dec 27, 2023 | BROWN MICHAEL S | Option Excercise | 2049 | 482.68 | $ 989,011.32 |
| Dec 27, 2023 | BROWN MICHAEL S | Open Market Sale | 2049 | 898.00 | $ 1,840,002.00 |
| Dec 27, 2023 | Landry Robert E | Option Excercise | 1600 | 378.98 | $ 606,368.00 |
| Dec 27, 2023 | Landry Robert E | Option Excercise | 1154 | 878.93 | $ 1,014,284.38 |
| Dec 27, 2023 | Fenimore Christopher R. | Open Market Sale | 2448 | 856.71 | $ 2,097,226.08 |
| Dec 21, 2023 | Fenimore Christopher R. | Open Market Sale | 1930 | 844.30 | $ 1,629,501.90 |
| Dec 13, 2023 | Landry Robert E | Option Excercise | 1000 | 378.98 | $ 378,980.00 |
| Dec 13, 2023 | Bassler Bonnie L | Option Excercise | 610 | 376.69 | $ 229,780.90 |
| Dec 13, 2023 | Bassler Bonnie L | Open Market Sale | 610 | 870.00 | $ 530,700.00 |
| Dec 12, 2023 | Landry Robert E | Option Excercise | 7104 | 858.18 | $ 6,096,486.27 |
| Dec 12, 2023 | McCourt Marion | Option Excercise | 5105 | 856.71 | $ 4,373,504.55 |
| Dec 12, 2023 | MURPHY ANDREW J | Option Excercise | 7657 | 856.71 | $ 6,559,828.47 |
| Dec 12, 2023 | Fenimore Christopher R. | Option Excercise | 2552 | 856.71 | $ 2,186,323.92 |
| Dec 11, 2023 | McCourt Marion | Open Market Sale | 270 | 838.44 | $ 226,378.80 |
| Dec 11, 2023 | YANCOPOULOS GEORGE | Option Excercise | 25155 | $ 0.00 | |
| Dec 11, 2023 | YANCOPOULOS GEORGE | Option Excercise | 12841 | 844.09 | $ 10,838,959.69 |
| Dec 11, 2023 | SCHLEIFER LEONARD S | Option Excercise | 25155 | $ 0.00 | |
| Dec 11, 2023 | SCHLEIFER LEONARD S | Option Excercise | 12841 | 844.09 | $ 10,838,959.69 |
| Dec 8, 2023 | Fenimore Christopher R. | Option Excercise | 2010 | 844.02 | $ 1,696,478.70 |
| Dec 8, 2023 | Fenimore Christopher R. | Grant | 2370 | 0.00 | $ 0.00 |
| Dec 8, 2023 | Landry Robert E | Option Excercise | 4234 | 844.02 | $ 3,573,573.16 |
| Dec 8, 2023 | LAROSA JOSEPH J | Option Excercise | 1521 | 843.92 | $ 1,283,605.29 |
| Dec 8, 2023 | LAROSA JOSEPH J | Grant | 2133 | 0.00 | $ 0.00 |
| Dec 8, 2023 | Van Plew Daniel P | Option Excercise | 4329 | 844.01 | $ 3,653,733.21 |
| Dec 8, 2023 | Van Plew Daniel P | Grant | 3199 | 0.00 | $ 0.00 |
| Dec 8, 2023 | STAHL NEIL | Option Excercise | 1534 | 843.93 | $ 1,294,591.36 |
| Dec 8, 2023 | STAHL NEIL | Grant | 853 | 0.00 | $ 0.00 |
| Dec 8, 2023 | MURPHY ANDREW J | Option Excercise | 6657 | 844.05 | $ 5,618,842.23 |
| Dec 8, 2023 | MURPHY ANDREW J | Grant | 3199 | 0.00 | $ 0.00 |
| Dec 8, 2023 | McCourt Marion | Option Excercise | 1225 | 843.88 | $ 1,033,754.65 |
| Dec 8, 2023 | McCourt Marion | Grant | 2133 | 0.00 | $ 0.00 |
| Dec 5, 2023 | MURPHY ANDREW J | Open Market Sale | 6536 | 817.44 | $ 5,342,787.40 |
| Dec 4, 2023 | MURPHY ANDREW J | Option Excercise | 20000 | 270.43 | $ 5,408,600.00 |
| Dec 4, 2023 | MURPHY ANDREW J | Option Excercise | 13464 | 813.58 | $ 10,954,041.12 |
| Dec 1, 2023 | RYAN ARTHUR F | Open Market Sale | 100 | 817.30 | $ 81,729.89 |
| Nov 14, 2023 | MURPHY ANDREW J | Open Market Sale | 6492 | 799.17 | $ 5,188,213.10 |
| Nov 13, 2023 | MURPHY ANDREW J | Option Excercise | 20000 | 270.43 | $ 5,408,600.00 |
| Nov 13, 2023 | MURPHY ANDREW J | Option Excercise | 13508 | 795.69 | $ 10,748,180.52 |
| Nov 10, 2023 | STAHL NEIL | Other Disposition | 400 | 0.00 | $ 0.00 |
| Nov 7, 2023 | RYAN ARTHUR F | Open Market Sale | 100 | 827.90 | $ 82,789.98 |
| Nov 1, 2023 | McCourt Marion | Option Excercise | 1000 | 381.40 | $ 381,400.00 |
| Nov 1, 2023 | McCourt Marion | Open Market Sale | 1000 | 783.91 | $ 783,910.00 |
| Oct 13, 2023 | Zoghbi Huda Y | Open Market Sale | 1000 | 850.00 | $ 850,000.00 |
| Oct 13, 2023 | Zoghbi Huda Y | Option Excercise | 1000 | 391.92 | $ 391,920.00 |
| Oct 2, 2023 | McCourt Marion | Option Excercise | 1038 | 372.46 | $ 386,613.48 |
| Oct 2, 2023 | McCourt Marion | Open Market Sale | 1038 | 827.00 | $ 858,426.00 |
| Sep 8, 2023 | Guarini Kathryn | Grant | 240 | 0.00 | $ 0.00 |
| Sep 8, 2023 | Schenkein David P | Grant | 240 | 0.00 | $ 0.00 |
| Sep 1, 2023 | McCourt Marion | Open Market Sale | 250 | 834.55 | $ 208,637.50 |
| Aug 24, 2023 | Van Plew Daniel P | Open Market Sale | 6197 | 841.71 | $ 5,216,072.87 |
| Aug 23, 2023 | Landry Robert E | Open Market Sale | 223 | 844.00 | $ 188,212.00 |
| Aug 23, 2023 | POON CHRISTINE A | Option Excercise | 12280 | 273.67 | $ 3,360,667.60 |
| Aug 23, 2023 | POON CHRISTINE A | Open Market Sale | 12280 | 839.97 | $ 10,314,828.70 |
| Aug 23, 2023 | Fenimore Christopher R. | Option Excercise | 7000 | 399.66 | $ 2,797,620.00 |
| Aug 23, 2023 | Fenimore Christopher R. | Option Excercise | 5198 | 842.66 | $ 4,380,146.68 |
| Aug 23, 2023 | Van Plew Daniel P | Option Excercise | 23125 | 381.40 | $ 8,819,875.00 |
| Aug 23, 2023 | Van Plew Daniel P | Option Excercise | 16928 | 842.66 | $ 14,264,548.48 |
| Aug 22, 2023 | STAHL NEIL | Open Market Sale | 11665 | 840.98 | $ 9,810,082.23 |
| Aug 21, 2023 | STAHL NEIL | Option Excercise | 50000 | 399.66 | $ 19,983,000.00 |
| Aug 21, 2023 | STAHL NEIL | Option Excercise | 38335 | 833.39 | $ 31,948,005.65 |
| Aug 21, 2023 | Bassler Bonnie L | Option Excercise | 853 | 391.92 | $ 334,307.76 |
| Aug 21, 2023 | Bassler Bonnie L | Open Market Sale | 853 | 829.00 | $ 707,137.00 |
| Aug 10, 2023 | Bassler Bonnie L | Option Excercise | 853 | 391.92 | $ 334,307.76 |
| Aug 10, 2023 | Bassler Bonnie L | Open Market Sale | 853 | 789.00 | $ 673,017.00 |
| Aug 1, 2023 | McCourt Marion | Open Market Sale | 250 | 744.66 | $ 186,165.00 |
| Aug 1, 2023 | RYAN ARTHUR F | Open Market Sale | 100 | 736.59 | $ 73,659.19 |
| Jul 3, 2023 | McCourt Marion | Open Market Sale | 250 | 710.09 | $ 177,522.50 |
| Jul 3, 2023 | RYAN ARTHUR F | Open Market Sale | 100 | 716.88 | $ 71,687.70 |
| Jun 1, 2023 | RYAN ARTHUR F | Open Market Sale | 100 | 735.42 | $ 73,541.52 |
| Jun 1, 2023 | McCourt Marion | Open Market Sale | 250 | 736.00 | $ 184,000.00 |
| May 15, 2023 | SCHLEIFER LEONARD S | Other Disposition | 107614 | 0.00 | $ 0.00 |
| May 9, 2023 | MURPHY ANDREW J | Other Disposition | 1326 | 0.00 | $ 0.00 |
| May 1, 2023 | RYAN ARTHUR F | Open Market Sale | 100 | 805.33 | $ 80,532.94 |