WILLIAM M LAMBERT

CIK 1187330 · Chairman · last filed 2026-05-14

"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.

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Disclosed Exposure

$7.93M

Companies

4

Total Filings

135

Lifetime Open-Market Net

-$81.85M

Holdings By Company

Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
Symbol Role Shares Price Disclosed Exposure Lifetime OM Net Filings Latest Filed
MSA Director 49,126 $159.89 $7.85M -$82.81M 76 2026-05-14
KMTw Director 76,992 $962.5K 11 2026-02-19
OI Director 8,045 $9.17 $73.8K $0 6 2019-08-16
EQT Director $51.94 $0 2 2019-01-03

Recent Filings · Page 3 of 14

135 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2021-08-26 MSA Gift (G) −3,000 $0 EDGAR
2021-08-17 KMTw Mixed +2,843 $104.4K EDGAR
2021-08-03 KMTw Exer (M) +1,105 $40.1K EDGAR
2021-05-25 MSA Grant (A) +789 $0 EDGAR
2020-12-22 MSA Mixed +27,090 -$2.70M EDGAR
2020-12-09 MSA Mixed +6,366 -$3.49M EDGAR
2020-10-30 MSA Gift (G) $0 EDGAR
2020-10-29 MSA Gift (G) $0 EDGAR
2020-08-25 MSA Gift (G) −3,137 $0 EDGAR
2020-08-17 KMTw Mixed +1,498 $46.4K EDGAR
Showing 2130 of 135
Page 3 of 14
Codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.