BROWN MICHAEL S has filed 30 insider transactions across 1 company since January 2023.
Most recent transaction: a grant/award of 1962 shares of REGENERON PHARMACEUTICALS, INC. ($REGN) on January 02, 2026.
Activity breakdown: 0 open-market purchases and 8 sales.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan. 2, 2026 | REGENERON PHARMACEUTICALS, INC. | $REGN | BROWN MICHAEL S | Director | A | Non-Qualified Stock Option (right to buy) | 1962 | $0.00 | 1,962.0000 | 137,600,000 | 9999.99% | 0.00% |
| Jan. 2, 2026 | REGENERON PHARMACEUTICALS, INC. | $REGN | BROWN MICHAEL S | Director | A | Common Stock | 155 | $0.00 | 12,865.0000 | 137,600,000 | 1.22% | 0.00% |
| Jan. 2, 2025 | REGENERON PHARMACEUTICALS, INC. | $REGN | BROWN MICHAEL S | Director | A | Common Stock | 166 | $0.00 | 12,710.0000 | 136,000,000 | 1.32% | 0.00% |
| Jan. 2, 2025 | REGENERON PHARMACEUTICALS, INC. | $REGN | BROWN MICHAEL S | Director | A | Non-Qualified Stock Option (right to buy) | 1958 | $0.00 | 1,958.0000 | 136,000,000 | 9999.99% | 0.00% |
| June 14, 2024 | REGENERON PHARMACEUTICALS, INC. | $REGN | BROWN MICHAEL S | Director | M | Non-Qualified Stock Option (right to buy) | 1535 | $0.00 | 0.0000 | 134,199,999 | 100.00% | 0.00% |
| June 14, 2024 | REGENERON PHARMACEUTICALS, INC. | $REGN | BROWN MICHAEL S | Director | S | Common Stock | 1535 | $1040.00 | 12,544.0000 | 134,199,999 | 10.90% | 0.00% |
| June 14, 2024 | REGENERON PHARMACEUTICALS, INC. | $REGN | BROWN MICHAEL S | Director | M | Common Stock | 1535 | $625.60 | 14,079.0000 | 134,199,999 | 12.24% | 0.00% |
| May 28, 2024 | REGENERON PHARMACEUTICALS, INC. | $REGN | BROWN MICHAEL S | Director | M | Non-Qualified Stock Option (right to buy) | 1172 | $0.00 | 1,535.0000 | 134,199,999 | 43.30% | 0.00% |
| May 28, 2024 | REGENERON PHARMACEUTICALS, INC. | $REGN | BROWN MICHAEL S | Director | M | Common Stock | 1172 | $625.60 | 13,716.0000 | 134,199,999 | 9.34% | 0.00% |
| May 28, 2024 | REGENERON PHARMACEUTICALS, INC. | $REGN | BROWN MICHAEL S | Director | S | Common Stock | 1172 | $974.86 | 12,544.0000 | 134,199,999 | 8.54% | 0.00% |
| Jan. 2, 2024 | REGENERON PHARMACEUTICALS, INC. | $REGN | BROWN MICHAEL S | Director | A | Non-Qualified Stock Option (right to buy) | 1607 | $0.00 | 1,607.0000 | 133,100,000 | 9999.99% | 0.00% |
| Jan. 2, 2024 | REGENERON PHARMACEUTICALS, INC. | $REGN | BROWN MICHAEL S | Director | A | Common Stock | 135 | $0.00 | 12,544.0000 | 133,100,000 | 1.09% | 0.00% |
| Dec. 27, 2023 | REGENERON PHARMACEUTICALS, INC. | $REGN | BROWN MICHAEL S | Director | M | Non-Qualified Stock Option (right to buy) | 2049 | $0.00 | 0.0000 | 130,400,000 | 100.00% | 0.00% |
| Dec. 27, 2023 | REGENERON PHARMACEUTICALS, INC. | $REGN | BROWN MICHAEL S | Director | M | Common Stock | 2049 | $482.68 | 14,458.0000 | 130,400,000 | 16.51% | 0.00% |
| Dec. 27, 2023 | REGENERON PHARMACEUTICALS, INC. | $REGN | BROWN MICHAEL S | Director | S | Common Stock | 2049 | $898.00 | 12,409.0000 | 130,400,000 | 14.17% | 0.00% |
| April 21, 2023 | REGENERON PHARMACEUTICALS, INC. | $REGN | BROWN MICHAEL S | Director | M | Non-Qualified Stock Option (right to buy) | 3070 | $0.00 | 0.0000 | 130,400,000 | 100.00% | 0.00% |
| April 21, 2023 | REGENERON PHARMACEUTICALS, INC. | $REGN | BROWN MICHAEL S | Director | S | Common Stock | 3070 | $798.42 | 12,409.0000 | 130,400,000 | 19.83% | 0.00% |
| April 21, 2023 | REGENERON PHARMACEUTICALS, INC. | $REGN | BROWN MICHAEL S | Director | M | Common Stock | 3070 | $520.01 | 15,479.0000 | 130,400,000 | 24.74% | 0.00% |
| Feb. 6, 2023 | REGENERON PHARMACEUTICALS, INC. | $REGN | BROWN MICHAEL S | Director | S | Common Stock | 500 | $797.00 | 12,409.0000 | 130,400,000 | 3.87% | 0.00% |
| Feb. 6, 2023 | REGENERON PHARMACEUTICALS, INC. | $REGN | BROWN MICHAEL S | Director | M | Non-Qualified Stock Option (right to buy) | 3071 | $0.00 | 3,070.0000 | 130,400,000 | 50.01% | 0.00% |
| Feb. 6, 2023 | REGENERON PHARMACEUTICALS, INC. | $REGN | BROWN MICHAEL S | Director | M | Common Stock | 3071 | $520.01 | 15,480.0000 | 130,400,000 | 24.75% | 0.00% |
| Feb. 6, 2023 | REGENERON PHARMACEUTICALS, INC. | $REGN | BROWN MICHAEL S | Director | S | Common Stock | 3071 | $798.00 | 12,409.0000 | 130,400,000 | 19.84% | 0.00% |
| Jan. 27, 2023 | REGENERON PHARMACEUTICALS, INC. | $REGN | BROWN MICHAEL S | Director | M | Non-Qualified Stock Option (right to buy) | 1 | $0.00 | 6,141.0000 | 130,400,000 | 0.02% | 0.00% |
| Jan. 27, 2023 | REGENERON PHARMACEUTICALS, INC. | $REGN | BROWN MICHAEL S | Director | M | Common Stock | 1 | $520.01 | 12,910.0000 | 130,400,000 | 0.01% | 0.00% |
| Jan. 27, 2023 | REGENERON PHARMACEUTICALS, INC. | $REGN | BROWN MICHAEL S | Director | S | Common Stock | 1 | $747.00 | 12,909.0000 | 130,400,000 | 0.01% | 0.00% |
| Jan. 6, 2023 | REGENERON PHARMACEUTICALS, INC. | $REGN | BROWN MICHAEL S | Director | M | Non-Qualified Stock Option (right to buy) | 3070 | $0.00 | 6,142.0000 | 130,400,000 | 33.33% | 0.00% |
| Jan. 6, 2023 | REGENERON PHARMACEUTICALS, INC. | $REGN | BROWN MICHAEL S | Director | M | Common Stock | 3070 | $520.01 | 15,979.0000 | 130,400,000 | 23.78% | 0.00% |
| Jan. 6, 2023 | REGENERON PHARMACEUTICALS, INC. | $REGN | BROWN MICHAEL S | Director | S | Common Stock | 3070 | $747.14 | 12,909.0000 | 130,400,000 | 19.21% | 0.00% |
| Jan. 3, 2023 | REGENERON PHARMACEUTICALS, INC. | $REGN | BROWN MICHAEL S | Director | A | Common Stock | 165 | $0.00 | 12,909.0000 | 130,400,000 | 1.29% | 0.00% |
| Jan. 3, 2023 | REGENERON PHARMACEUTICALS, INC. | $REGN | BROWN MICHAEL S | Director | A | Non-Qualified Stock Option (right to buy) | 1929 | $0.00 | 1,929.0000 | 130,400,000 | 9999.99% | 0.00% |