LAMBERT WILLIAM M

CIK: 0001187330
Primary company: MSA Safety Inc (MSA)

LAMBERT WILLIAM M is a corporate insider at MSA Safety Inc (MSA) filing SEC Form 4 transactions. 391 transactions across 3 companies, totaling $1,212,226 in purchases and $88,594,834 in sales. Source: SEC EDGAR.

Total Transactions
391
Total Buy Value
$1.21M
Total Sell Value
$88.59M
Net Activity
$-87.38M
Last Transaction
May 2026
Companies
3

Companies

Transaction History

Source: SEC EDGAR Form 4 insider transaction filings.

Type
Award
Shares
899
Price
-
Value
-
Type
Exercise
Shares
14,000
Price
$20.97
Value
$294K
Type
Tax Payment
Shares
7,485
Price
$39.04
Value
$292K
Type
Exercise
Shares
14,000
Price
$20.87
Value
$292K
Type
Gift
Shares
9,634
Price
-
Value
-
Type
Award
Shares
6,898
Price
-
Value
-
Type
Exercise
Shares
1,933
Price
-
Value
-
Type
Exercise
Shares
1,860
Price
-
Value
-
Type
Exercise
Shares
1,773
Price
-
Value
-
Type
Tax Payment
Shares
170
Price
$21.02
Value
$4K
Type
Exercise
Shares
5,566
Price
$21.02
Value
$117K
Type
Award
Shares
909
Price
-
Value
-
Type
Gift
Shares
2,200
Price
-
Value
-
Type
Award
Shares
5,800
Price
$25.00
Value
$145K
Type
Exercise
Shares
1,859
Price
-
Value
-
Type
Exercise
Shares
1,772
Price
-
Value
-
Type
Exercise
Shares
1,135
Price
-
Value
-
Type
Tax Payment
Shares
145
Price
$25.00
Value
$4K
Type
Exercise
Shares
4,766
Price
$25.00
Value
$119K
Type
Award
Shares
755
Price
-
Value
-