SING GEORGE L

CIK: 0001225471

SING GEORGE L is a corporate insider at REGENERON PHARMACEUTICALS, INC. (REGN) filing SEC Form 4 transactions. 252 transactions, totaling $448,328 in purchases and $144,393,920 in sales. Source: SEC EDGAR.

Total Transactions
252
Total Buy Value
$448K
Total Sell Value
$144.39M
Net Activity
$-143.95M
Last Transaction
Dec 2025
Companies
1

Companies

Transaction History

Source: SEC EDGAR Form 4 insider transaction filings.

Type
Exercise
Shares
9,212
Price
-
Value
-
Type
Tax Payment
Shares
6,188
Price
$774.03
Value
$4.79M
Type
Exercise
Shares
9,212
Price
$520.01
Value
$4.79M
Type
Award
Shares
1,958
Price
$719.37
Value
$1.41M
Type
Award
Shares
166
Price
-
Value
-
Type
Exercise
Shares
3,338
Price
$413.33
Value
$1.38M
Type
Tax Payment
Shares
1,948
Price
$708.19
Value
$1.38M
Type
Exercise
Shares
3,338
Price
$413.33
Value
$1.38M
Type
Gift
Shares
1,200
Price
-
Value
-
Type
Exercise
Shares
2,000
Price
-
Value
-
Type
Tax Payment
Shares
877
Price
$942.53
Value
$827K
Type
Exercise
Shares
2,000
Price
$413.33
Value
$827K
Type
Exercise
Shares
1,000
Price
-
Value
-
Type
Sale
Shares
500
Price
$995.00
Value
$498K
Type
Exercise
Shares
500
Price
$413.33
Value
$207K
Type
Sale
Shares
500
Price
$990.00
Value
$495K
Type
Exercise
Shares
500
Price
$413.33
Value
$207K
Type
Exercise
Shares
500
Price
-
Value
-
Type
Sale
Shares
500
Price
$985.00
Value
$493K
Type
Exercise
Shares
500
Price
$413.33
Value
$207K