LAMBERT WILLIAM M (CIK 1187330) reported 9 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-08-18). Recent activity: Buy KMT (6,092 shares), Sell KMT (186 shares), Buy MSA (899 shares), Buy KMT (14,000 shares), Sell KMT (7,485 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-18 | KENNAMETAL INC (KMT) | Director | Buy | 6,092 | $190,192 |
| 2026-08-18 | KENNAMETAL INC (KMT) | Director | Sell | 186 | $5,807 |
| 2026-05-14 | MSA Safety Inc (MSA) | Director | Buy | 899 | $0 |
| 2026-02-19 | KENNAMETAL INC (KMT) | Director | Buy | 14,000 | $292,180 |
| 2026-02-19 | KENNAMETAL INC (KMT) | Director | Sell | 7,485 | $292,214 |
| 2025-12-16 | MSA Safety Inc (MSA) | Director | Sell | 9,634 | $0 |
| 2025-08-19 | KENNAMETAL INC (KMT) | Director | Buy | 5,566 | $116,997 |
| 2025-08-19 | KENNAMETAL INC (KMT) | Director | Sell | 170 | $3,573 |
| 2025-05-19 | MSA Safety Inc (MSA) | Director | Buy | 909 | $0 |
Source: SEC Form 4 filings · as of 2026-08-18