Filer Snapshot

Stefan A. Dyckerhoff SEC EDGAR Filings

SEC filings, ownership reports, and insider transactions for CIK 0001484394.

Entity Type

Individual

Total Filings

56

Latest Filing

17 Apr 2026

Industry

n/a

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Go to latest filings table Open reporting owner context
Source: SEC filing 144

144 filed on 17 Apr 2026 for CIK 0001484394.

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Business address
755 Page Mill Road,, Suite A 200, Palo Alto, CA, 94304
Top holdings (ownership)
ALAB

Quick Takeaways

  • Stefan A. Dyckerhoff is an SEC filer tracked under CIK 0001484394.
  • 56 filings are listed on this profile.
  • Common form coverage includes 144, 4, 3 and more.

What Changed

  • Latest filing: 144 filed on 17 Apr 2026.
  • Report period: not specified in filing header.

Why This Matters

  • You can quote filing dates and form types directly from the SEC record on this page.
  • Use this profile before deeper ownership or insider analysis to confirm filing history context.

Source Evidence

Source: SEC filing 144

144 filed on 17 Apr 2026 for CIK 0001484394.

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Return Loop

Why revisit this filer page

A newly filed 144 can change the filing history, ownership context, or next research path for Stefan A. Dyckerhoff.

Latest source-backed update
144 filed 17 Apr 2026
Why come back
Revisit after a new SEC filing appears to compare the updated record with prior filings.
  • Latest filing on record: 144 filed 17 Apr 2026.
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Filer freshness comes from SEC EDGAR submission history and related source-backed ownership or portfolio filings when available.

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Latest update

What changed recently for Stefan A. Dyckerhoff

Ownership report updated

Latest ownership report period: 13 Aug 2025. Open the source-backed page to inspect the fresh filing or facts context.

Update date

15 Aug 2025

Page type

Ownership filings

Latest period

13 Aug 2025

Ownership context was refreshed from SEC Forms 3/4/5 filed on 15 Aug 2025.

Open ownership filings Browse recent public updates

Filer Overview

Stefan A. Dyckerhoff has filed 56 SEC EDGAR filings since 22 Feb 2010. Common forms include 144, 4, 3, 3/A.

Reporting owner transactions Latest 13F filings

Latest Filings

Recent SEC filings for Stefan A. Dyckerhoff with direct links to document and filing folders.

Form type Document Filing Description Filing date Reporting date File number(s)
144 Open 144 document View SEC filing for 144 17 Apr 2026
4 Open 4 document View SEC filing for 4 15 Aug 2025 13 Aug 2025 001-41979
4 Open 4 document View SEC filing for 4 11 Aug 2025 07 Aug 2025 001-41979
144 Open 144 document View SEC filing for 144 08 Aug 2025
144 Open 144 document View SEC filing for 144 07 Aug 2025
4 Open 4 document View SEC filing for 4 10 Jun 2025 08 Jun 2025 001-41979
4 Open 4 document View SEC filing for 4 26 Nov 2024 22 Nov 2024 001-41979
144 Open 144 document View SEC filing for 144 26 Nov 2024
144 Open 144 document View SEC filing for 144 22 Nov 2024
4 Open 4 document View SEC filing for 4 20 Nov 2024 18 Nov 2024 001-41979
4 Open 4 document View SEC filing for 4 13 Nov 2024 11 Nov 2024 001-41979
144 Open 144 document View SEC filing for 144 12 Nov 2024
4 Open 4 document View SEC filing for 4 08 Nov 2024 06 Nov 2024 001-41979
144 Open 144 document View SEC filing for 144 06 Nov 2024
4 Open 4 document View SEC filing for 4 08 Oct 2024 04 Oct 2024 001-41979
4 Open 4 document View SEC filing for 4 02 Oct 2024 30 Sep 2024 001-41979
4 Open 4 document View SEC filing for 4 22 Mar 2024 22 Mar 2024 001-41979
3 Open 3 document View SEC filing for 3 19 Mar 2024 19 Mar 2024 001-41979
4 Open 4 document View SEC filing for 4 22 Sep 2020 18 Sep 2020 001-39504
4 Open 4 document View SEC filing for 4 22 Sep 2020 18 Sep 2020 001-39504
3 Open 3 document View SEC filing for 3 15 Sep 2020 15 Sep 2020 001-39504
4 Open 4 document View SEC filing for 4 03 Jul 2018 02 Jul 2018 001-38554
3 Open 3 document View SEC filing for 3 27 Jun 2018 27 Jun 2018 001-38554
4 Open 4 document View SEC filing for 4 12 Jan 2018 11 Jan 2018 001-37570
4 Open 4 document View SEC filing for 4 11 Dec 2017 07 Dec 2017 001-37570
4 Open 4 document View SEC filing for 4 05 Dec 2017 01 Dec 2017 001-38056
4 Open 4 document View SEC filing for 4 04 Dec 2017 30 Nov 2017 001-37570
4 Open 4 document View SEC filing for 4 18 Oct 2017 16 Oct 2017 001-38238
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 13 Oct 2017 11 Oct 2017 001-38238
3 Open 3 document View SEC filing for 3 11 Oct 2017 11 Oct 2017 001-38238
4 Open 4 document View SEC filing for 4 02 Jun 2017 31 May 2017 001-37570
4 Open 4 document View SEC filing for 4 02 Jun 2017 31 May 2017 000-27975
4 Open 4 document View SEC filing for 4 21 Apr 2017 19 Apr 2017 001-38056
3 Open 3 document View SEC filing for 3 12 Apr 2017 12 Apr 2017 001-38056
4 Open 4 document View SEC filing for 4 23 Nov 2015 19 Nov 2015 000-27975
4 Open 4 document View SEC filing for 4 12 Nov 2015 09 Nov 2015 000-27975
4 Open 4 document View SEC filing for 4 13 Oct 2015 13 Oct 2015 001-37570
3 Open 3 document View SEC filing for 3 06 Oct 2015 06 Oct 2015 001-37570
4 Open 4 document View SEC filing for 4 03 Oct 2014 01 Oct 2014 001-32979
4 Open 4 document View SEC filing for 4 23 Jun 2014 20 Jun 2014 001-32979
4 Open 4 document View SEC filing for 4 16 Jun 2014 12 Jun 2014 000-27975
4 Open 4 document View SEC filing for 4 05 Dec 2013 03 Dec 2013 000-27975
3/A Open 3/A document View SEC filing for 3/A 10 Jul 2013 01 Nov 2012 000-50679
4 Open 4 document View SEC filing for 4 04 Jun 2013 31 May 2013 001-32979
4 Open 4 document View SEC filing for 4 22 Mar 2013 20 Mar 2013 000-51772
4 Open 4 document View SEC filing for 4 22 Mar 2013 20 Mar 2013 000-51772
3 Open 3 document View SEC filing for 3 07 Nov 2012 01 Nov 2012 001-32979
3 Open 3 document View SEC filing for 3 07 Nov 2012 01 Nov 2012 000-27975
3 Open 3 document View SEC filing for 3 07 Nov 2012 01 Nov 2012 000-50679
3 Open 3 document View SEC filing for 3 07 Nov 2012 01 Nov 2012 000-51772
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 21 Feb 2012 17 Feb 2012 001-34501
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 25 Oct 2011 21 Oct 2011 001-34501
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 Mar 2011 25 Feb 2011 001-34501
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 23 Feb 2011 18 Feb 2011 001-34501
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 22 Feb 2010 19 Feb 2010 001-34501
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 22 Feb 2010 10 Feb 2010 001-34501

About this filer

Stefan A. Dyckerhoff files with the SEC under CIK 0001484394. This page aggregates EDGAR filings and related ownership activity.

FAQ

What is a CIK?
A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
Why are some filings missing?
New filings appear as the SEC updates EDGAR, and older records can vary by availability.
How often is this page updated?
Updates follow new EDGAR submissions and periodic data refreshes.