Latest filing published 05 Jan 2026 for Regeneron Pharmaceuticals, INC., €18.8M.
Filing timeline
BuySaleFirst 200 filings with a declared amount
Insider track record
Leonard S. Schleifer: trading record in brief
All filings by Leonard S. Schleifer on record concern Regeneron Pharmaceuticals, Inc., in the capacity of chief executive. Between 6 March 2006 and 31 December 2025, the trades on record add up to 271 filings.
Every open-market trade on record is a sale: 176 sales worth €393.8M. Outside the open market, there are 50 share grants and 34 option exercises.
The latest filing, published on 5 January 2026, reports a share grant of €18.8M in Regeneron Pharmaceuticals, Inc. Between a trade and the moment it shows up on SEC (Form 4), the median delay is 1 day. Section 16 rules allow two business days to file each Form 4. Selling is not necessarily a view on the stock: liquidity needs and diversification are common motives. Source: insider filings from SEC (Form 4). Past trades are no guide to future returns.
Companies and markets linked to Leonard S. Schleifer
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
- 28,570 shares@ US$772.091.3% of flowCommon StockSEC:0001218629-26-000002:1
- 28,570 shares0Common StockSEC:0001218629-26-000002:0
- 155,145 shares@ US$701.516.4% of flowCommon StockSEC:0001218629-25-000006:1
- 172,723 shares@ US$555.6722.3% of flowCommon StockSEC:0001218629-25-000006:0
- 1,000 shares0Common StockSEC:0001104659-24-071247:4
- 1,743 shares@ US$1,016.040.1% of flowCommon StockSEC:0001104659-24-071247:1
- 14,879 shares@ US$1,015.301.0% of flowCommon StockSEC:0001104659-24-071247:2
- 270 shares@ US$1,016.620.0% of flowCommon StockSEC:0001104659-24-071247:3
- 1,000 shares@ US$1,025.270.1% of flowCommon StockSEC:0001104659-24-071247:5
- 7,321 shares@ US$1,015.281.9% of flowCommon StockSEC:0001104659-24-071247:0
- 787 shares@ US$1,015.020.2% of flowCommon StockSEC:0001883850-24-000029:0
- 143 shares@ US$980.070.0% of flowCommon StockSEC:0001883850-24-000025:1
- 22,687 shares@ US$979.225.5% of flowCommon StockSEC:0001883850-24-000025:0
- 144,433 shares@ US$976.799.0% of flowCommon StockSEC:0001883850-24-000022:1
- 22,698 shares@ US$979.161.4% of flowCommon StockSEC:0001883850-24-000022:2
- 2,302 shares@ US$980.100.1% of flowCommon StockSEC:0001883850-24-000022:3
- 7,864 shares@ US$979.050.5% of flowCommon StockSEC:0001883850-24-000022:4
- 295 shares@ US$980.640.0% of flowCommon StockSEC:0001883850-24-000022:5
- 1,081 shares@ US$981.500.1% of flowCommon StockSEC:0001883850-24-000022:6
- 235 shares@ US$982.660.0% of flowCommon StockSEC:0001883850-24-000022:7
- 250 shares@ US$983.910.0% of flowCommon StockSEC:0001883850-24-000022:8
- 305 shares@ US$984.000.0% of flowCommon StockSEC:0001883850-24-000022:9
- 281 shares@ US$985.720.0% of flowCommon StockSEC:0001883850-24-000022:10
- 103 shares@ US$986.570.0% of flowCommon StockSEC:0001883850-24-000022:11
- 228 shares@ US$987.460.0% of flowCommon StockSEC:0001883850-24-000022:12
25 of 271 declarations
