LEONARD S SCHLEIFER
CIK 1218629 · Bd. Co-Chair, President & CEO · last filed 2026-01-05
LEONARD S SCHLEIFER is a Bd. Co-Chair, President & CEO who has filed 50 SEC Form 4 insider transactions across 1 company since 2007. The most recent filing, for REGN, was dated Jan 5, 2026. Across all open-market trades the lifetime net is −$458.8M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $226.8M across reported positions.
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
$226.85M
1
50
-$458.80M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| REGN | Bd. Co-Chair, President & CEO | 370,577 | $612.14 | $226.85M | -$458.80M | 50 | 2026-01-05 |
Recent Filings
50 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-01-05 | REGN | Mixed | — | -$22.06M | EDGAR |
| 2025-12-11 | REGN | Mixed | +17,578 | -$12.86M | EDGAR |
| 2024-06-13 | REGN | Mixed | −24,213 | -$25.61M | EDGAR |
| 2024-06-10 | REGN | Sell (S) | −787 | -$798.8K | EDGAR |
| 2024-05-17 | REGN | Sell (S) | −22,830 | -$22.36M | EDGAR |
| 2024-05-15 | REGN | Mixed | +22,830 | -$95.08M | EDGAR |
| 2023-12-13 | REGN | Mixed | +12,314 | -$10.84M | EDGAR |
| 2023-05-17 | REGN | Gift (G) | — | $0 | EDGAR |
| 2022-04-07 | REGN | Sell (S) | −7,114 | -$5.05M | EDGAR |
| 2022-04-04 | REGN | Sell (S) | −2,886 | -$2.05M | EDGAR |