LAMBERT WILLIAM M

Director · MSA, KMT

As of 2026-09-16, LAMBERT WILLIAM M has 20 Form 4 transactions on record across 2 companies — 12 in the trailing 12 months.

Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.

Reconstructed holdings

Direct: $5.1MIndirect: $0$5.1Mas of 2026-09-16
  • Direct $5.1M
  • Indirect $0
MSAdirect27,626 sh$5.0M
KMTdirect4,599 sh$137K

Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.

Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.

Trades by company

KMT · 15 trades
2026-08-14: Option exercise, 6,092 sh ($190K)2026-08-14: Withheld for tax, 186 sh ($6K)2026-08-14: Option exercise, 1,933 sh ($0)2026-08-14: Option exercise, 2,299 sh ($0)2026-08-14: Option exercise, 1,860 sh ($0)2026-02-18: Withheld for tax, 7,485 sh ($292K)2026-02-18: Option exercise, 14,000 sh ($292K)2026-02-18: Option exercise, 14,000 sh ($0)2025-08-15: Option exercise, 5,566 sh ($117K)2025-08-15: Withheld for tax, 170 sh ($4K)2025-08-15: Award / grant, 6,898 sh ($0)2025-08-15: Option exercise, 1,933 sh ($0)2025-08-15: Award / grant, 4,965 sh ($0)2025-08-15: Option exercise, 1,773 sh ($0)2025-08-15: Option exercise, 1,860 sh ($0)
MSA · 5 trades
2026-09-14: Gift, 6,000 sh ($0)2026-09-11: Gift, 2,000 sh ($0)2026-05-13: Award / grant, 899 sh ($0)2025-12-12: Gift, 9,634 sh ($0)2025-05-16: Award / grant, 909 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
20 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-09-14MSAGift6,00027,626Form 4
2026-09-11MSAGift2,00033,626Form 4
2026-08-14KMTOption exercise6,09283,084Form 4
2026-08-14KMTWithheld for tax18682,898Form 4
2026-08-14KMTOption exercise1,9331,934Form 4
2026-08-14KMTOption exercise2,2994,599Form 4
2026-08-14KMTOption exercise1,8600Form 4
2026-05-13MSAAward / grant89935,626Form 4
2026-02-18KMTWithheld for tax7,48576,992Form 4
2026-02-18KMTOption exercise14,00084,477Form 4
2026-02-18KMTOption exercise14,0000Form 4
2025-12-12MSAGift9,63434,727Form 4
2025-08-15KMTOption exercise5,56670,647Form 4
2025-08-15KMTWithheld for tax17070,477Form 4
2025-08-15KMTAward / grant6,8986,898Form 4
2025-08-15KMTOption exercise1,9333,867Form 4
2025-08-15KMTAward / grant4,9654,965Form 4
2025-08-15KMTOption exercise1,7730Form 4
2025-08-15KMTOption exercise1,8601,860Form 4
2025-05-16MSAAward / grant90944,361Form 4

Source: SEC Form 4 filings. Each row links to its original filing.

Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.