Insider · CIK 0001238303
Joseph J Larosa
Files at: REGN. On EDGAR ↗
Reported trades — common stock
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 19, 2026 FMForm 4 → | Aug 21, 4:01 pm EDT | REGENERON PHARMACEUTICALS, INC.REGN | 21,301 | $571.70 | $12,177,864 | 36,373 | — | |
| Sep 1, 2016 FForm 4 → | Sep 2, 4:02 pm EDT | REGENERON PHARMACEUTICALS INCREGN | 4,943 | $392.63 | $1,940,770 | 11,813 | — | plan? |
| Sep 1, 2015 MForm 4 → | Sep 2, 4:04 pm EDT | REGENERON PHARMACEUTICALS INCREGN | 1,689 | $59.20 | $99,989 | 16,756 | — | plan? |
| Mar 25, 2015 MForm 4 → | Mar 26, 4:21 pm EDT | REGENERON PHARMACEUTICALS INCREGN | 3,097 | $59.20 | $183,342 | 15,067 | — | plan? |
| Mar 16, 2015 SForm 4 → | Mar 17, 4:57 pm EDT | REGENERON PHARMACEUTICALS INCREGN | 18,311 | $450.00 | $8,239,950 | 10,000 | −64.7% | plan? |
| Mar 16, 2015 MForm 4 → | Mar 17, 4:57 pm EDT | REGENERON PHARMACEUTICALS INCREGN | 20,281 | $59.20 | $1,200,635 | 11,970 | — | plan? |
Reported trades — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 19, 2026 MForm 4 → | Aug 21, 4:01 pm EDT | REGENERON PHARMACEUTICALS, INC.REGN | 12,282 | — | — | 12,283 | — | |
| Dec 12, 2018 AForm 4 → | Dec 14, 4:12 pm EST | REGENERON PHARMACEUTICALS INCREGN | 20,000 | — | — | 20,000 | — | |
| Dec 12, 2017 AForm 4 → | Dec 13, 4:53 pm EST | REGENERON PHARMACEUTICALS INCREGN | 23,337 | — | — | 23,337 | — | |
| Dec 16, 2016 AForm 4 → | Dec 19, 4:18 pm EST | REGENERON PHARMACEUTICALS INCREGN | 24,565 | — | — | 24,565 | — | |
| Dec 16, 2015 AForm 4 → | Dec 18, 4:28 pm EST | REGENERON PHARMACEUTICALS INCREGN | 28,900 | — | — | 28,900 | — | |
| Sep 1, 2015 MForm 4 → | Sep 2, 4:04 pm EDT | REGENERON PHARMACEUTICALS INCREGN | 1,689 | — | — | 0 | — | |
| Mar 25, 2015 MForm 4 → | Mar 26, 4:21 pm EDT | REGENERON PHARMACEUTICALS INCREGN | 3,097 | — | — | 1,689 | — | |
| Mar 16, 2015 MForm 4 → | Mar 17, 4:57 pm EDT | REGENERON PHARMACEUTICALS INCREGN | 20,281 | — | — | 54,933 | — |