Filer Snapshot

Gregory N. Henderson SEC EDGAR Filings

SEC filings, ownership reports, and insider transactions for CIK 0001590599.

Entity Type

Individual

Total Filings

56

Latest Filing

28 Apr 2026

Industry

n/a

Save this filer page for the next filing cycle

Keep this page in your research queue, then return to compare new filings with prior context.

Save and revisit

Save this filer page

Create a free account to keep this page in your watchlists. After verification, we will save it automatically and open your saved research list.

Create free account and save this filer Already have an account? Sign in and save it

Best next steps

Start with the latest filings table, then open the strongest context page for this filer.

  • Use the filings table to verify the newest submission, form type, and report period.
  • Open the deeper context page only when this filer actually has insider or ownership signal.
Go to latest filings table Open reporting owner context
Source: SEC Forms 3/4/5

4 filed on 28 Apr 2026 for CIK 0001590599.

View Source Filing
Business address
C/O Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA, 01824
Top holdings (ownership)
LFUS and ADI

Quick Takeaways

  • Gregory N. Henderson is an SEC filer tracked under CIK 0001590599.
  • 56 filings are listed on this profile.
  • Common form coverage includes 4, 3, 3/A.

What Changed

  • Latest filing: 4 filed on 28 Apr 2026.
  • Report period: 24 Apr 2026.

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 Forms 3/4/5

4 filed on 28 Apr 2026 for CIK 0001590599.

View Source Filing

Return Loop

Why revisit this filer page

A newly filed 4 can change the filing history, ownership context, or next research path for Gregory N. Henderson.

Latest source-backed update
4 filed 28 Apr 2026
Why come back
Revisit after a new SEC filing appears to compare the updated record with prior filings.
  • Latest filing on record: 4 filed 28 Apr 2026.
  • Save this filer if you want a stable place to return after the next filing cycle.
  • Open the latest filing table or ownership context to verify what changed.

Filer freshness comes from SEC EDGAR submission history and related source-backed ownership or portfolio filings when available.

Jump to save and follow actions Open latest filings table

Latest update

What changed recently for Gregory N. Henderson

Ownership report updated

Latest ownership report period: 24 Apr 2026. Open the source-backed page to inspect the fresh filing or facts context.

Update date

28 Apr 2026

Page type

Ownership filings

Latest period

24 Apr 2026

Ownership context was refreshed from SEC Forms 3/4/5 filed on 28 Apr 2026.

Open ownership filings Browse recent public updates

Filer Overview

Gregory N. Henderson has filed 56 SEC EDGAR filings since 31 Oct 2013. Common forms include 4, 3, 3/A.

Reporting owner transactions Latest 13F filings

Latest Filings

Recent SEC filings for Gregory N. Henderson with direct links to document and filing folders.

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open 4 document View SEC filing for 4 FORM 4 28 Apr 2026 24 Apr 2026 000-20388
4 Open 4 document View SEC filing for 4 FORM 4 24 Apr 2026 22 Apr 2026 000-20388
4 Open 4 document View SEC filing for 4 FORM 4 09 Mar 2026 05 Mar 2026 000-20388
4 Open 4 document View SEC filing for 4 08 Dec 2025 05 Dec 2025 000-20388
4 Open 4 document View SEC filing for 4 08 Sep 2025 05 Sep 2025 000-20388
4 Open 4 document View SEC filing for 4 09 Jun 2025 05 Jun 2025 000-20388
4 Open 4 document View SEC filing for 4 28 Apr 2025 24 Apr 2025 000-20388
4 Open 4 document View SEC filing for 4 29 Apr 2024 25 Apr 2024 000-20388
4 Open 4 document View SEC filing for 4 16 May 2023 15 May 2023 000-20388
3 Open 3 document View SEC filing for 3 15 May 2023 15 May 2023 000-20388
4 Open 4 document View SEC filing for 4 FORM 4 30 Aug 2021 26 Aug 2021 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 16 Jun 2021 15 Jun 2021 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 20 Apr 2021 21 Dec 2020 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 06 Apr 2021 05 Apr 2021 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 02 Apr 2021 01 Apr 2021 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 31 Mar 2021 29 Mar 2021 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 23 Mar 2021 22 Mar 2021 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 17 Mar 2021 15 Mar 2021 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 16 Mar 2021 13 Mar 2021 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 12 Mar 2021 10 Mar 2021 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 17 Dec 2020 15 Dec 2020 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 07 Dec 2020 04 Dec 2020 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 10 Nov 2020 09 Nov 2020 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 28 Sep 2020 25 Sep 2020 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 20 Jul 2020 17 Jul 2020 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 16 Jun 2020 15 Jun 2020 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 10 Jun 2020 09 Jun 2020 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 29 Apr 2020 28 Apr 2020 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 08 Apr 2020 07 Apr 2020 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 31 Mar 2020 29 Mar 2020 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 16 Mar 2020 13 Mar 2020 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 16 Mar 2020 13 Mar 2020 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 13 Mar 2020 11 Mar 2020 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 11 Mar 2020 09 Mar 2020 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 10 Mar 2020 08 Mar 2020 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 24 Sep 2019 23 Sep 2019 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 01 Apr 2019 29 Mar 2019 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 15 Mar 2019 13 Mar 2019 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 13 Mar 2019 11 Mar 2019 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 11 Mar 2019 09 Mar 2019 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 03 Jan 2019 02 Jan 2019 001-07819
3/A Open 3/A document View SEC filing for 3/A FORM 3/A 03 Jan 2019 15 Jun 2017 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 02 Apr 2018 29 Mar 2018 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 14 Mar 2018 12 Mar 2018 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 12 Mar 2018 11 Mar 2018 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 06 Mar 2018 03 Mar 2018 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 08 Jan 2018 05 Jan 2018 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 04 Oct 2017 03 Oct 2017 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 01 Sep 2017 31 Aug 2017 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 16 Aug 2017 15 Aug 2017 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 19 Jun 2017 15 Jun 2017 001-07819
3 Open 3 document View SEC filing for 3 FORM 3 19 Jun 2017 15 Jun 2017 001-07819
4 Open 4 document View SEC filing for 4 FORM 4 - 23 Jul 2014 22 Jul 2014 000-51448
4 Open 4 document View SEC filing for 4 FORM 4 - 11 Mar 2014 07 Mar 2014 000-51448
4 Open 4 document View SEC filing for 4 FORM 4 - 31 Oct 2013 29 Oct 2013 000-51448
3 Open 3 document View SEC filing for 3 FORM 3 - 31 Oct 2013 29 Oct 2013 000-51448

About this filer

Gregory N. Henderson files with the SEC under CIK 0001590599. 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.
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Here you can make detailed settings or revoke your consent (in part if necessary) with effect for the future. For further information, please refer to our Privacy Policy .