SEC Form 4 reporting owner

Dyckerhoff Stefan A

Dyckerhoff Stefan A has filed 43 Form 4 transactions reported between April 17, 2026 and September 2, 2026, as a reporting owner of Astera Labs, Inc..

Name as filed: Dyckerhoff Stefan A

Open-market buys, 24 mo
None
reported
Open-market sales, 24 mo
$24.4M
42 lines
Companies
1
with Form 4 filings
Latest transaction
Sep 2, 2026
transaction date

Roles and reported holdings

  • ALABAstera Labs, Inc.
    Apr 17, 2026 – Sep 2, 2026

    Reporting owner

    Held directly50,456 sh as of Sep 2, 2026 · Form 4
    Held indirectly (latest line)3,309 sh as of Sep 2, 2026 · Form 4

    24 months: $24.4M sold

Transaction history

All 43 reported transactions, newest first. Every row links to the Form 4 on SEC EDGAR.

DateCompanyTypeSharesValueFiling
Sep 2, 2026ALABOpen-market saleCode S · indirect32$9K@ $276.75Form 4
Sep 2, 2026ALABOpen-market saleCode S · indirect407$113K@ $276.75Form 4
Sep 2, 2026ALABOpen-market saleCode S · direct172$48K@ $276.75Form 4
Sep 2, 2026ALABOpen-market saleCode S · indirect148$41K@ $275.53Form 4
Sep 2, 2026ALABOpen-market saleCode S · indirect1,867$514K@ $275.53Form 4
Sep 2, 2026ALABOpen-market saleCode S · direct785$216K@ $275.53Form 4
Sep 2, 2026ALABOpen-market saleCode S · indirect429$118K@ $274.79Form 4
Sep 2, 2026ALABOpen-market saleCode S · indirect5,409$1.5M@ $274.79Form 4
Sep 2, 2026ALABOpen-market saleCode S · direct2,275$625K@ $274.79Form 4
Sep 2, 2026ALABOpen-market saleCode S · indirect52$14K@ $273.64Form 4
Sep 2, 2026ALABOpen-market saleCode S · indirect650$178K@ $273.64Form 4
Sep 2, 2026ALABOpen-market saleCode S · direct273$75K@ $273.64Form 4
Aug 6, 2026ALABOpen-market saleCode S · indirect416$130K@ $313.07Form 4
Aug 6, 2026ALABOpen-market saleCode S · indirect5,246$1.6M@ $313.07Form 4
Aug 6, 2026ALABOpen-market saleCode S · direct2,207$691K@ $313.07Form 4
Aug 6, 2026ALABOpen-market saleCode S · indirect51$16K@ $311.37Form 4
Aug 6, 2026ALABOpen-market saleCode S · indirect640$199K@ $311.37Form 4
Aug 6, 2026ALABOpen-market saleCode S · direct269$84K@ $311.37Form 4
Aug 6, 2026ALABOpen-market saleCode S · indirect194$60K@ $309.29Form 4
Aug 6, 2026ALABOpen-market saleCode S · indirect2,447$757K@ $309.29Form 4
Aug 6, 2026ALABOpen-market saleCode S · direct1,029$318K@ $309.29Form 4
Jul 1, 2026ALABOpen-market saleCode S · indirect661$297K@ $450.00Form 4
Jul 1, 2026ALABOpen-market saleCode S · indirect8,333$3.7M@ $450.00Form 4
Jul 1, 2026ALABOpen-market saleCode S · direct3,505$1.6M@ $450.00Form 4
Jun 4, 2026ALABGrant or awardCode A · direct837—Form 4
Jun 3, 2026ALABOpen-market saleCode S · indirect81$30K@ $365.09Form 4
Jun 3, 2026ALABOpen-market saleCode S · indirect1,019$372K@ $365.09Form 4
Jun 3, 2026ALABOpen-market saleCode S · direct428$156K@ $365.09Form 4
Jun 3, 2026ALABOpen-market saleCode S · indirect580$211K@ $364.25Form 4
Jun 3, 2026ALABOpen-market saleCode S · indirect7,314$2.7M@ $364.25Form 4
Jun 3, 2026ALABOpen-market saleCode S · direct3,077$1.1M@ $364.25Form 4
May 7, 2026ALABOpen-market saleCode S · indirect325$65K@ $201.10Form 4
May 7, 2026ALABOpen-market saleCode S · indirect4,095$824K@ $201.10Form 4
May 7, 2026ALABOpen-market saleCode S · direct1,722$346K@ $201.10Form 4
May 7, 2026ALABOpen-market saleCode S · indirect336$67K@ $199.00Form 4
May 7, 2026ALABOpen-market saleCode S · indirect4,238$843K@ $199.00Form 4
May 7, 2026ALABOpen-market saleCode S · direct1,783$355K@ $199.00Form 4
Apr 20, 2026ALABOpen-market saleCode S · indirect709$124K@ $175.12Form 4
Apr 20, 2026ALABOpen-market saleCode S · indirect8,933$1.6M@ $175.12Form 4
Apr 20, 2026ALABOpen-market saleCode S · direct3,757$658K@ $175.12Form 4
Apr 17, 2026ALABOpen-market saleCode S · indirect613$107K@ $175.00Form 4
Apr 17, 2026ALABOpen-market saleCode S · indirect7,733$1.4M@ $175.00Form 4
Apr 17, 2026ALABOpen-market saleCode S · direct3,253$569K@ $175.00Form 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.