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Who

William M. Lambert

Director

Company insider

Files Form 4 as: Chairman, MSA Safety; Director, Kennametal; Director, Eqt.

In numbers

Trades disclosed
368
Buys
2
Sells
45
Bought
$1.2M
Sold
$85.6M
Companies
3
Companies where not an officer
2
First trade
27 Feb 2006
Last trade
14 Sep 2026
Last filed
16 Sep 2026

Companies traded

Where they are an officer
MSA MSA SafetyDirector, Officer · Medical Devices · last 14 Sep 20261 buy · 45 sells
Everywhere else they filed: board seats, 10% stakes, other companies
KMT KennametalDirector · Machinery · last 14 Aug 20261 buy · 0 sells
EQT EqtDirector · Oil & Gas E&P · last 1 Jan 20190 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
101Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
14 Sep 2026filed 16 Sep 2026MSA MSA SafetyMedical DevicesSEC FORM 4 Code G—6,000 at $0.00filing
14 Sep 2026filed 16 Sep 2026MSA MSA SafetyMedical DevicesSEC FORM 4 Code G—6,000 at $0.00filing
11 Sep 2026filed 16 Sep 2026MSA MSA SafetyMedical DevicesSEC FORM 4 Code G—2,000 at $0.00filing
11 Sep 2026filed 16 Sep 2026MSA MSA SafetyMedical DevicesSEC FORM 4 Code G—2,000 at $0.00filing
14 Aug 2026filed 18 Aug 2026KMT KennametalMachinerySEC FORM 4 Code M$190K6,092 at $31.22filing
14 Aug 2026filed 18 Aug 2026KMT KennametalMachinerySEC FORM 4 Code F$5,807186 at $31.22filing
14 Aug 2026filed 18 Aug 2026KMT Kennametaloption or derivative · MachinerySEC FORM 4 Code M—1,860 at $0.00filing
14 Aug 2026filed 18 Aug 2026KMT Kennametaloption or derivative · MachinerySEC FORM 4 Code M—1,860 at $0.00filing
14 Aug 2026filed 18 Aug 2026KMT Kennametaloption or derivative · MachinerySEC FORM 4 Code M—1,933 at $0.00filing
14 Aug 2026filed 18 Aug 2026KMT Kennametaloption or derivative · MachinerySEC FORM 4 Code M—2,299 at $0.00filing
14 Aug 2026filed 18 Aug 2026KMT Kennametaloption or derivative · MachinerySEC FORM 4 Code M—1,933 at $0.00filing
14 Aug 2026filed 18 Aug 2026KMT Kennametaloption or derivative · MachinerySEC FORM 4 Code M—2,299 at $0.00filing
14 Aug 2026filed 18 Aug 2026KMT KennametalMachinerySEC FORM 4 Code M$190K6,092 at $31.22filing
14 Aug 2026filed 18 Aug 2026KMT KennametalMachinerySEC FORM 4 Code F$5,807186 at $31.22filing
13 May 2026filed 14 May 2026MSA MSA SafetyMedical DevicesSEC FORM 4 Code A—899 at $0.00filing
13 May 2026filed 14 May 2026MSA MSA SafetyMedical DevicesSEC FORM 4 Code A—899 at $0.00filing
18 Feb 2026filed 19 Feb 2026KMT KennametalMachinerySEC FORM 4 Code M$292K14,000 at $20.87filing
18 Feb 2026filed 19 Feb 2026KMT KennametalMachinerySEC FORM 4 Code F$292K7,485 at $39.04filing
18 Feb 2026filed 19 Feb 2026KMT Kennametaloption or derivative · MachinerySEC FORM 4 Code M—14,000 at $0.00filing
18 Feb 2026filed 19 Feb 2026KMT Kennametaloption or derivative · MachinerySEC FORM 4 Code M—14,000 at $0.00filing

News

Critical Analysis: IHI (OTCMKTS:IHICY) & Kennametal (NYSE:KMT)KMT · dailypolitical.com · 20 Oct 2026

0 headlines in the last 90 days name William M. Lambert; 1 article from the last 14 days about the 2 companies they traded most, at most three about any one of them.

Sectors

Health Care46
Industrials1

Buys in green, sells in red, by the company’s sector.

Related people

Gregory B. JordanDirector · Director at MSA Safety, filing Form 4 there in the last year
Luca SaviDirector · Director at MSA Safety, filing Form 4 there in the last year
Sandra L. PhillipsDirector · Director at MSA Safety, filing Form 4 there in the last year
Diane M. PearseDirector · Director at MSA Safety, filing Form 4 there in the last year
Julie A. BeckDirector · Chief Financial Officer at MSA Safety, filing Form 4 there in the last year
Sanjay ChowbeyPresident and CEO · Also traded KMT in the last 90 days
Judith L. BacchusVice President · Also traded KMT in the last 90 days
Michelle R. KeatingVice President · Also traded KMT in the last 90 days