Williams Michelle LeRoux

CIK: 0001398249CHIEF SCIENTIFIC OFFICER
Officer
Primary company: OSIRIS THERAPEUTICS, INC. (OSIR)

Williams Michelle LeRoux is a corporate insider (CHIEF SCIENTIFIC OFFICER) at OSIRIS THERAPEUTICS, INC. (OSIR) filing SEC Form 4 transactions. 66 transactions across 2 companies, totaling $208 in purchases and $1,257,406 in sales. Source: SEC EDGAR.

Total Transactions
66
Total Buy Value
$208
Total Sell Value
$1.26M
Net Activity
$-1.26M
Last Transaction
Dec 2025
Companies
2

Companies

Transaction History

Source: SEC EDGAR Form 4 insider transaction filings.

Type
Exercise
Shares
12,500
Price
-
Value
-
Type
Tax Payment
Shares
3,951
Price
$0.70
Value
$3K
Type
Exercise
Shares
12,500
Price
-
Value
-
Type
Exercise
Shares
12,500
Price
-
Value
-
Type
Tax Payment
Shares
3,950
Price
$1.36
Value
$5K
Type
Exercise
Shares
12,500
Price
-
Value
-
Type
Exercise
Shares
12,500
Price
-
Value
-
Type
Tax Payment
Shares
3,951
Price
$1.99
Value
$8K
Type
Exercise
Shares
12,500
Price
-
Value
-
Type
Exercise
Shares
12,500
Price
-
Value
-
Type
Tax Payment
Shares
4,613
Price
$3.00
Value
$14K
Type
Exercise
Shares
12,500
Price
-
Value
-
Type
Exercise
Shares
12,500
Price
-
Value
-
Type
Tax Payment
Shares
3,950
Price
$4.29
Value
$17K
Type
Exercise
Shares
12,500
Price
-
Value
-
Type
Exercise
Shares
12,500
Price
-
Value
-
Type
Tax Payment
Shares
3,951
Price
$4.14
Value
$16K
Type
Exercise
Shares
12,500
Price
-
Value
-
Type
Exercise
Shares
50,000
Price
-
Value
-
Type
Tax Payment
Shares
15,800
Price
$2.84
Value
$45K