InsidersTradesSigma
Total declarations
Companies
▲ Purchases (1 ops.)
▼ Sales (2 ops.)
Insider track record
ExecutiveDisclosed buys
1
Disclosed sells
2
T+90 hit rate
40%
T+90 mean return
-4.7%
Across 5 buy signals 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, 28 disclosures have been logged. Breakdown: 1 buy · 2 sells. Total volume traded: €3.5m. Activity tracked since 24 May 2021. The latest transaction was filed on 13 May 2026 (Attribution). Regulator: SEC (Form 4). All data is accessible without signup.
Declarations28 total
899 shares0Common Stock, no par valueSEC:0001225208-26-005290:0
899 shares0Common Stock, no par valueSEC:0001225208-26-005290
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$26.22690.034% mcap78.7% of flowCommon StockSEC:0001723211-22-000008:0
Ideal exit: 29 Jan 2023 (T+270)
54,690 shares@ US$48.640.035% mcap64.2% of flowCommon Stock, no par valueSEC:0001225208-21-014065:0
54,690 shares@ US$48.640.035% mcap64.2% of flowCommon Stock, no par valueSEC:0001225208-21-014065
10,000 shares@ US$153.6735.8% of flowCommon Stock, no par valueSEC:0001225208-21-012426
10,000 shares@ US$153.670.020% mcap35.8% of flowCommon Stock, no par valueSEC:0001225208-21-012426:0
3,000 shares0Common Stock, no par valueSEC:0001225208-21-011746
3,000 shares0Common Stock, no par valueSEC:0001225208-21-011746:0
2,843 shares@ US$36.720.0034% mcap7.7% of flowCommon StockSEC:0001723211-21-000038:0
2,843 shares@ US$36.726.0% of flowCommon StockSEC:0001723211-21-000038
1,105 shares@ US$36.250.0013% mcap2.9% of flowCommon StockSEC:0001723211-21-000026:0
25 of 28 declarations
About LAMBERT WILLIAM M
William M Lambert is a director at MSA Safety Inc.
