InsidersTradesSigma
Total declarations
Companies
▲ Purchases (1 ops.)
▼ Sales (1 ops.)
Insider track record
ExecutiveDisclosed buys
1
Disclosed sells
1
T+90 hit rate
0%
T+90 mean return
-0.5%
Across 1 buy signal with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Browse the complete record of transactions filed by Lambert William M, Director. Insider active across 3 companies, notably MSA Safety Inc. Aggregated, 26 disclosures have been logged. Breakdown: 1 buy · 1 sell. Total volume traded: €2.2m. Activity tracked since 24 May 2021. The latest transaction was filed on 14 August 2026 (Levée d'options). Regulator: SEC (Form 4). All data is accessible without signup.
Companies and markets linked to Lambert William M
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations26 total
6,092 shares@ US$31.220.0080% mcap8.9% of flowCommon StockSEC:0001187330-26-000002:0
186 shares@ US$31.220.0002% mcap0.3% of flowCommon StockSEC:0001187330-26-000002:1
899 shares0Common Stock, no par valueSEC:0001225208-26-005290:0
14,000 shares@ US$20.8714.6% of flowCommon StockSEC:0001187330-26-000001:0
9,634 shares0Common Stock, no par valueSEC:0001225208-25-010016:0
5,566 shares@ US$21.026.9% of flowCommon StockSEC:0001047461-25-000007:0
909 shares0Common Stock, no par valueSEC:0001225208-25-005288:0
2,200 shares0Common Stock, no par valueSEC:0001225208-24-010063:0
4,766 shares@ US$25.007.4% of flowCommon StockSEC:0001562549-24-000009:0
755 shares0Common Stock, no par valueSEC:0001225208-24-006083:0
3,000 shares0Common Stock, no par valueSEC:0001225208-23-010490:0
4,252 shares@ US$25.996.9% of flowCommon StockSEC:0001187330-23-000001:0
1,111 shares0Common Stock, no par valueSEC:0001225208-23-006098:0
2,400 shares0Common Stock, no par valueSEC:0001225208-23-004714:0
2,400 shares0Common Stock, no par valueSEC:0001225208-22-011721:0
3,977 shares@ US$27.277.3% of flowCommon StockSEC:0001723211-22-000025:0
28,767 shares@ US$44.5025.6% of flowCommon Stock, no par valueSEC:0001225208-22-009426:0
750 shares0Common Stock, no par valueSEC:0001225208-22-009408:0
1,129 shares0Common Stock, no par valueSEC:0001225208-22-007230:0
36,698 shares@ US$26.226953.5% of flowCommon StockSEC:0001723211-22-000008:0
Canonical exit: 2 Aug 2022 (T+90)
54,690 shares@ US$48.6447.8% of flowCommon Stock, no par valueSEC:0001225208-21-014065:0
10,000 shares@ US$153.6726.7% of flowCommon Stock, no par valueSEC:0001225208-21-012426:0
3,000 shares0Common Stock, no par valueSEC:0001225208-21-011746:0
2,843 shares@ US$36.725.2% of flowCommon StockSEC:0001723211-21-000038:0
1,105 shares@ US$36.252.0% of flowCommon StockSEC:0001723211-21-000026:0
25 of 26 declarations
About Lambert William M
LAMBERT WILLIAM M is a Director at MSA Safety Inc and Kennametal INC. He has 24 filings in total. In the sampled recent filings, the period runs from 2021-05-25 to 2026-05-14, with buys of EUR 906074 and sells of EUR 1305888, and the modal transaction nature is Option exercise.
