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Who

Amy C. Becker

Chief Legal Officer

Company insider

Files Form 4 as: Chief Legal Officer, Donaldson Company; Director, Winmark.

In numbers

Trades disclosed
152
Buys
0
Sells
6
Bought
$0
Sold
$3.2M
Companies
2
Companies where not an officer
1
First trade
21 Sep 2014
Last trade
1 Oct 2026
Last filed
5 Oct 2026

Companies traded

Where they are an officer
DCI Donaldson CompanyOfficer · Machinery · last 1 Oct 20260 buys · 6 sells
Everywhere else they filed: board seats, 10% stakes, other companies
WINA WinmarkDirector · Retail — Specialty · last 1 Jun 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
1 Oct 2026filed 5 Oct 2026DCI Donaldson Companyoption or derivative · MachinerySEC FORM 4 Code A—14,800 at $0.00filing
24 Sep 2026filed 28 Sep 2026DCI Donaldson CompanyMachinerySEC FORM 4 Code A—5,983 at $0.00filing
24 Sep 2026filed 28 Sep 2026DCI Donaldson CompanyMachinerySEC FORM 4 Code F$255K2,944 at $86.60filing
24 Sep 2026filed 28 Sep 2026DCI Donaldson CompanyMachinerySEC FORM 4 Code A—5,983 at $0.00filing
24 Sep 2026filed 28 Sep 2026DCI Donaldson CompanyMachinerySEC FORM 4 Code F$255K2,944 at $86.60filing
1 Jun 2026filed 1 Jun 2026WINA Winmarkoption or derivative · Retail — SpecialtySEC FORM 4 Code A$135K356 at $378.57filing
1 Jun 2026filed 1 Jun 2026WINA Winmarkoption or derivative · Retail — SpecialtySEC FORM 4 Code A$135K356 at $378.57filing
15 Dec 2025filed 15 Dec 2025WINA Winmarkoption or derivative · Retail — SpecialtySEC FORM 4 Code A$114K256 at $444.54filing
1 Oct 2025filed 3 Oct 2025DCI Donaldson Companyoption or derivative · MachinerySEC FORM 4 Code A—17,000 at $0.00filing
25 Sep 2025filed 29 Sep 2025DCI Donaldson CompanyMachinerySEC FORM 4 Code A—5,541 at $0.00filing
25 Sep 2025filed 29 Sep 2025DCI Donaldson CompanyMachinerySEC FORM 4 Code F$218K2,727 at $80.04filing
28 Aug 2025filed 2 Sep 2025DCI Donaldson Companyoption or derivative · MachinerySEC FORM 4 Code M—18,500 at $0.00filing
28 Aug 2025filed 2 Sep 2025DCI Donaldson CompanyMachinerySEC FORM 4 Code M$518K18,500 at $28.00filing
28 Aug 2025filed 2 Sep 2025DCI Donaldson CompanyMachinerySEC FORM 4 Sold$1.5M18,500 at $81.71filing
1 Jun 2025filed 2 Jun 2025WINA Winmarkoption or derivative · Retail — SpecialtySEC FORM 4 Code A$119K280 at $424.82filing
9 Dec 2024filed 9 Dec 2024WINA Winmarkoption or derivative · Retail — SpecialtySEC FORM 4 Code A$120K300 at $400.97filing
1 Oct 2024filed 3 Oct 2024DCI Donaldson Companyoption or derivative · MachinerySEC FORM 4 Code A—19,800 at $0.00filing
27 Sep 2024filed 1 Oct 2024DCI Donaldson CompanyMachinerySEC FORM 4 Code A—6,442 at $0.00filing
27 Sep 2024filed 1 Oct 2024DCI Donaldson CompanyMachinerySEC FORM 4 Code F$234K3,170 at $73.82filing
19 Sep 2024filed 23 Sep 2024DCI Donaldson Companyoption or derivative · MachinerySEC FORM 4 Code M—14,500 at $0.00filing

Sectors

Industrials6

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

Related people

Trudy A. RautioDirector · Director at DONALDSON Co, filing Form 4 there in the last year
Richard Brent LewisPresident · President at DONALDSON Co, filing Form 4 there in the last year
Jacinth C. SmileyDirector · Director at DONALDSON Co, filing Form 4 there in the last year
Andrew J. CebullaCorporate Controller · Corporate Controller at DONALDSON Co, filing Form 4 there in the last year
Christopher M. HilgerDirector · Director at DONALDSON Co, filing Form 4 there in the last year
Tod E. CarpenterChairman, President and CEO · Also traded DCI in the last 90 days