LAMBERT WILLIAM M
SEC insider (Form 3/4/5 filer). CIK 0001187330. Director at MSA Safety Inc (MSA) and 1 other issuer. 14 reported Form 4/5 transactions since Sep 2024; latest on Sep 14, 2026. Located in CRANBERRY WOODS TOWNSHIP, PA.
Companies LAMBERT WILLIAM M has filed insider reports for
- MSA Safety Inc (MSA): Director
- KENNAMETAL INC (KMT): Director
LAMBERT WILLIAM M
CIK: 0001187330
Transaction Breakdown
Open Market Buys (P)0 (0.0%)
High conviction signal
Open Market Sales (S)0 (0.0%)
Position reduction
Option Exercises (M)3 (21.4%)
Derivative conversions
Awards (A)4 (28.6%)
Compensation grants
Other (G, F, J, C, D, …)7 (50.0%)
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (14 total)
- Sep 14, 2026MSA
MSA Safety Inc
GiftDirect6K shares- - Sep 11, 2026MSA
MSA Safety Inc
GiftDirect2K shares- - Aug 14, 2026KMT
KENNAMETAL INC
Tax PaymentDirect186 shares at avg. $31.22$6K - Aug 14, 2026KMT
KENNAMETAL INC
ExerciseDirect6.1K shares at avg. $31.22$190K - May 13, 2026MSA
MSA Safety Inc
AwardDirect899 shares- - Feb 18, 2026KMT
KENNAMETAL INC
ExerciseDirect14K shares at avg. $20.87$292K - Feb 18, 2026KMT
KENNAMETAL INC
Tax PaymentDirect7.5K shares at avg. $39.04$292K - Dec 12, 2025MSA
MSA Safety Inc
GiftDirect9.6K shares- - Aug 15, 2025KMT
KENNAMETAL INC
AwardDirectRestricted Stock Units
5K shares- - Aug 15, 2025KMT
KENNAMETAL INC
Tax PaymentDirect170 shares at avg. $21.02$4K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Sep 14, 2026 |  MSA MSA Safety Inc | Gift | 6,000 | - | $0 | Direct |
| Sep 11, 2026 | MSA MSA Safety Inc | Gift | 2,000 | - | $0 | Direct |
| Aug 14, 2026 |  KMT KENNAMETAL INC | Tax Payment | 186 | $31.22 | $5,807 | Direct |
| Aug 14, 2026 | KMT KENNAMETAL INC | Exercise | 6,092 | $31.22 | $190,192 | Direct |
| May 13, 2026 | MSA MSA Safety Inc | Award | 899 | - | $0 | Direct |
| Feb 18, 2026 | KMT KENNAMETAL INC | Exercise | 14,000 | $20.87 | $292,180 | Direct |
| Feb 18, 2026 | KMT KENNAMETAL INC | Tax Payment | 7,485 | $39.04 | $292,214 | Direct |
| Dec 12, 2025 | MSA MSA Safety Inc | Gift | 9,634 | - | - | Direct |
| Aug 15, 2025 | KMT KENNAMETAL INC | Award Restricted Stock Units | 4,965 | - | - | Direct |
| Aug 15, 2025 | KMT KENNAMETAL INC | Tax Payment | 170 | $21.02 | $3,573 | Direct |
1-10 of 14 transactions