13F Pro

SEC Form 4 reporting owner

Stanton Thomas R

Stanton Thomas R has filed 7 Form 4 transactions reported between November 24, 2025 and April 1, 2026, as Chairman & CEO of ADTRAN Holdings, Inc..

Name as filed: STANTON THOMAS R

Open-market buys, 24 mo
$300K
1 lines
Open-market sales, 24 mo
None
reported
Companies
1
with Form 4 filings
Latest transaction
Apr 1, 2026
transaction date

Roles and reported holdings

  • ADTNADTRAN Holdings, Inc.
    Nov 24, 2025 – Apr 1, 2026

    Chairman & CEO

    Held directly939,905 sh as of Jan 26, 2026 · Form 4

    24 months: $300K bought

Transaction history

All 7 reported transactions, newest first. Every row links to the Form 4 on SEC EDGAR.

DateCompanyTypeSharesValueFiling
Apr 1, 2026ADTNChairman & CEOGrant or awardCode A · direct170,723—Form 4
Jan 26, 2026ADTNChairman & CEOShares withheld for tax or exercise priceCode F · direct14,409$140K@ $9.73Form 4
Jan 26, 2026ADTNChairman & CEOShares withheld for tax or exercise priceCode F · direct12,407$115K@ $9.24Form 4
Jan 26, 2026ADTNChairman & CEOGrant or awardCode A · direct27,973—Form 4
Jan 24, 2026ADTNChairman & CEOShares withheld for tax or exercise priceCode F · direct17,535$167K@ $9.55Form 4
Jan 20, 2026ADTNChairman & CEOShares withheld for tax or exercise priceCode F · direct10,247$95K@ $9.24Form 4
Nov 24, 2025ADTNChairman & CEOOpen-market purchaseCode P · direct40,928$300K@ $7.33Form 4

How this page is built

Every row comes from a Form 4 filed with the SEC, which officers, directors and holders of more than 10% of a company’s stock must file within two business days of a trade. Transactions are grouped by the reporting owner’s name as filed (spacing, capitals and punctuation ignored); two different people filing under an identical name would appear together, and one person filing under two spellings appears on two pages.

Open-market totals count code P purchases and code S sales over the last 24 months. The same trade reported on more than one filing is counted once; when another owner (for example a fund and its general partner) reports the identical trade, they are listed beside it. Holdings are the shares owned after the latest purchase, sale, gift or tax-withholding line, shown separately for direct and indirect ownership; an indirect figure is one holding line, not a total across every trust or entity.

This page describes what was filed with the SEC; it is not investment advice or a recommendation to buy or sell any security.