WILLIAM M LAMBERT
CIK 1187330 · Chairman · last filed 2026-05-14
WILLIAM M LAMBERT is a Chairman who has filed 135 SEC Form 4 insider transactions across 4 companies since 2014. The most recent filing, for MSA, was dated May 14, 2026. Across all open-market trades the lifetime net is −$81.9M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $7.9M across reported positions.
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
$7.93M
4
135
-$81.85M
Holdings By Company
Recent Filings
135 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-05-14 | MSA | Grant (A) | +899 | $0 | EDGAR |
| 2026-02-19 | KMTw | Mixed | +6,515 | -$34 | EDGAR |
| 2025-12-16 | MSA | Gift (G) | −9,634 | $0 | EDGAR |
| 2025-08-19 | KMTw | Mixed | +5,396 | $113.4K | EDGAR |
| 2025-05-19 | MSA | Grant (A) | +909 | $0 | EDGAR |
| 2024-11-19 | MSA | Gift (G) | −2,200 | $0 | EDGAR |
| 2024-08-19 | KMTw | Mixed | +4,621 | $115.5K | EDGAR |
| 2024-05-16 | MSA | Grant (A) | +755 | $0 | EDGAR |
| 2023-11-29 | MSA | Gift (G) | −3,000 | $0 | EDGAR |
| 2023-08-17 | KMTw | Mixed | +4,123 | $107.2K | EDGAR |