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Who

Judson Althoff

Director

Company insider

Files Form 4 as: Director, Ecolab; Director, GE Aerospace; EVP, Chief Commercial Officer, Microsoft.

Every Form 4 they filed

In numbers

Trades disclosed
73
Buys
0
Sells
11
Bought
$0
Sold
$100.5M
Companies
3
Companies where not an officer
2
First trade
30 Aug 2021
Last trade
30 Sep 2026
Last filed
2 Oct 2026

Companies traded

Where they are an officer
MSFT MicrosoftOfficer · Software · last 15 Sep 20260 buys · 11 sells
Everywhere else they filed: board seats, 10% stakes, other companies
ECL EcolabDirector · Chemicals · last 30 Sep 20260 buys · 0 sells
GE GE AerospaceDirector · Electrical Equipment & Grid · last 30 Sep 20260 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
10Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
30 Sep 2026filed 2 Oct 2026ECL EcolabChemicalsSEC FORM 4 Code A—131.17 at $0.00filing
30 Sep 2026filed 2 Oct 2026GE GE Aerospaceoption or derivative · Electrical Equipment & GridSEC FORM 4 Code A$11K35 at $321.80filing
15 Sep 2026filed 17 Sep 2026MSFT MicrosoftSoftwareSEC FORM 4 Code A—29,077 at $0.00filing
15 Sep 2026filed 17 Sep 2026MSFT MicrosoftSoftwareSEC FORM 4 Code A—29,077 at $0.00filing
31 Aug 2026filed 1 Sep 2026MSFT MicrosoftSoftwareSEC FORM 4 Code A—29,724 at $0.00filing
31 Aug 2026filed 1 Sep 2026MSFT MicrosoftSoftwareSEC FORM 4 Code F$9.3M18,080.548 at $513.53filing
31 Aug 2026filed 1 Sep 2026MSFT MicrosoftSoftwareSEC FORM 4 Code A—29,724 at $0.00filing
31 Aug 2026filed 1 Sep 2026MSFT MicrosoftSoftwareSEC FORM 4 Code F$9.3M18,080.55 at $513.53filing
5 Aug 2026filed 6 Aug 2026MSFT MicrosoftSoftwareSEC FORM 4 Sold$4.9M10,000 at $487.89filing
5 Aug 2026filed 6 Aug 2026MSFT MicrosoftSoftwareSEC FORM 4 Sold$4.9M10,000 at $487.89filing
30 Jun 2026filed 2 Jul 2026ECL EcolabChemicalsSEC FORM 4 Code A—130.18 at $0.00filing
30 Jun 2026filed 2 Jul 2026ECL EcolabChemicalsSEC FORM 4 Code A—130.18 at $0.00filing
24 Jun 2026filed 25 Jun 2026GE GE AerospaceElectrical Equipment & GridSEC FORM 4 Code A—517 at $0.00filing
24 Jun 2026filed 25 Jun 2026GE GE AerospaceElectrical Equipment & GridSEC FORM 4 Code A—517 at $0.00filing
1 Jun 2026filed 2 Jun 2026MSFT MicrosoftSoftwareSEC FORM 4 Sold$7.1M15,500 at $460.99filing
1 Jun 2026filed 2 Jun 2026MSFT MicrosoftSoftwareSEC FORM 4 Sold$7.1M15,500 at $460.99filing
15 May 2026filed 19 May 2026ECL Ecolaboption or derivative · ChemicalsSEC FORM 4 Code A—732 at $0.00filing
15 May 2026filed 19 May 2026ECL Ecolaboption or derivative · ChemicalsSEC FORM 4 Code A—732 at $0.00filing
31 Mar 2026filed 2 Apr 2026ECL EcolabChemicalsSEC FORM 4 Code A—137.82 at $0.00filing
31 Mar 2026filed 2 Apr 2026ECL EcolabChemicalsSEC FORM 4 Code A—137.82 at $0.00filing

Sectors

Technology11

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

Related people

Amy ColemanEVP, Chief Human Resources Off · EVP, Chief Human Resources Off at Microsoft, filing Form 4 there in the last year
Amy HoodEVP, Chief Financial Officer · EVP, Chief Financial Officer at Microsoft, filing Form 4 there in the last year
Bradford L. SmithDirector · Vice Chair and President at Microsoft, filing Form 4 there in the last year
Takeshi NumotoEVP, Chief Marketing Officer · EVP, Chief Marketing Officer at Microsoft, filing Form 4 there in the last year
Alice L. JollaChief Accounting Officer · Chief Accounting Officer at Microsoft, filing Form 4 there in the last year
Lisa C. McClainRepresentative, MI-09 · Also traded MSFT in the last 90 days
Michael A. RulliRepresentative, OH-06 · Also traded MSFT in the last 90 days
Maria Elvira SalazarRepresentative, FL-27 · Also traded MSFT in the last 90 days