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Who

Kathryn A. Walker

Director

Company insider

Files Form 4 as: Director, ADTRAN Holdings; Chief Network Officer, Sprint Nextel.

Every Form 4 they filed

In numbers

Trades disclosed
130
Buys
0
Sells
1
Bought
$0
Sold
$2.6M
Companies
2
Companies where not an officer
1
First trade
6 Feb 2006
Last trade
31 Dec 2025
Last filed
5 Jan 2026

Companies traded

Where they are an officer
Sprint NextelOfficer · last 26 Mar 20080 buys · 1 sell
Everywhere else they filed: board seats, 10% stakes, other companies
ADTN ADTRAN HoldingsDirector · Electronic Components & EMS · last 31 Dec 20250 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
31 Dec 2025filed 5 Jan 2026ADTN ADTRAN HoldingsElectronic Components & EMSSEC FORM 4 Code A—13,809 at $0.00filing
31 Dec 2025filed 5 Jan 2026ADTN ADTRAN HoldingsElectronic Components & EMSSEC FORM 4 Code A—13,809 at $0.00filing
31 Dec 2024filed 3 Jan 2025ADTN ADTRAN HoldingsElectronic Components & EMSSEC FORM 4 Code A—14,406 at $0.00filing
31 Dec 2023filed 3 Jan 2024ADTN ADTRAN Holdingsoption or derivative · Electronic Components & EMSSEC FORM 4 Code M—168.42 at $0.00filing
31 Dec 2023filed 3 Jan 2024ADTN ADTRAN HoldingsElectronic Components & EMSSEC FORM 4 Code M—168.42filing
31 Dec 2023filed 3 Jan 2024ADTN ADTRAN HoldingsElectronic Components & EMSSEC FORM 4 Code D$30.42 at $7.34filing
31 Dec 2023filed 3 Jan 2024ADTN ADTRAN HoldingsElectronic Components & EMSSEC FORM 4 Code A—16,349 at $0.00filing
5 Sep 2023filed 7 Sep 2023ADTN ADTRAN Holdingsoption or derivative · Electronic Components & EMSSEC FORM 4 Code A$57869.02 at $8.37filing
6 Jun 2023filed 8 Jun 2023ADTN ADTRAN Holdingsoption or derivative · Electronic Components & EMSSEC FORM 4 Code A$57863.21 at $9.14filing
21 Mar 2023filed 23 Mar 2023ADTN ADTRAN Holdingsoption or derivative · Electronic Components & EMSSEC FORM 4 Code A$57836.2 at $15.96filing
24 Jan 2023filed 25 Jan 2023ADTN ADTRAN HoldingsElectronic Components & EMSSEC FORM 4 Code A—1,629 at $0.00filing
31 Dec 2022filed 4 Jan 2023ADTN ADTRAN Holdingsoption or derivative · Electronic Components & EMSSEC FORM 4 Code M—69.47 at $0.00filing
31 Dec 2022filed 4 Jan 2023ADTN ADTRAN HoldingsElectronic Components & EMSSEC FORM 4 Code M—69.47filing
31 Dec 2022filed 4 Jan 2023ADTN ADTRAN HoldingsElectronic Components & EMSSEC FORM 4 Code D$90.47 at $18.79filing
31 Dec 2022filed 4 Jan 2023ADTN ADTRAN HoldingsElectronic Components & EMSSEC FORM 4 Code A—4,790 at $0.00filing
6 Dec 2022filed 8 Dec 2022ADTN ADTRAN Holdingsoption or derivative · Electronic Components & EMSSEC FORM 4 Code A$35518.31 at $19.38filing
1 Sep 2022filed 6 Sep 2022ADTN ADTRAN HoldingsElectronic Components & EMSSEC FORM 4 Code A$35515.63 at $22.70filing
8 Jul 2022filed 11 Jul 2022ADTN ADTRAN HoldingsElectronic Components & EMSSEC FORM 4 Code A—47,478.53filing
8 Jul 2022filed 8 Jul 2022ADTN ADTRAN HoldingsElectronic Components & EMSSEC FORM 4 Code D—47,478.53filing
2 Jun 2022filed 3 Jun 2022ADTN ADTRAN Holdingsoption or derivative · Electronic Components & EMSSEC FORM 4 Code A$35518.02 at $19.69filing

News

No headline names them, or the companies they trade most, lately.

Sectors

Not placed1

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

Related people

Nobody else traded the same names lately.