Filer Snapshot

David M. Whitney SEC EDGAR Filings

SEC filings, ownership reports, and insider transactions for CIK 0001357113.

Entity Type

Individual

Total Filings

92

Latest Filing

02 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 02 Apr 2026 for CIK 0001357113.

View Source Filing
Business address
5700 Los Positas Road, Livermore, CA, 94551
Top holdings (ownership)
MGRC

Quick Takeaways

  • David M. Whitney is an SEC filer tracked under CIK 0001357113.
  • 92 filings are listed on this profile.
  • Common form coverage includes 4, 144, 5 and more.

What Changed

  • Latest filing: 4 filed on 02 Apr 2026.
  • Report period: 31 Mar 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 02 Apr 2026 for CIK 0001357113.

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 David M. Whitney.

Latest source-backed update
4 filed 02 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 02 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 David M. Whitney

Ownership report updated

Latest ownership report period: 31 Mar 2026. Open the source-backed page to inspect the fresh filing or facts context.

Update date

02 Apr 2026

Page type

Ownership filings

Latest period

31 Mar 2026

Ownership context was refreshed from SEC Forms 3/4/5 filed on 02 Apr 2026.

Open ownership filings Browse recent public updates

Filer Overview

David M. Whitney has filed 92 SEC EDGAR filings since 31 Mar 2006. Common forms include 4, 144, 5, 3.

Reporting owner transactions Latest 13F filings

Latest Filings

Recent SEC filings for David M. Whitney 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 PRIMARY DOCUMENT 02 Apr 2026 31 Mar 2026 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 16 Mar 2026 12 Mar 2026 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Mar 2026 27 Feb 2026 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 25 Feb 2026 23 Feb 2026 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 06 Jun 2025 04 Jun 2025 000-13292
144 Open 144 document View SEC filing for 144 04 Jun 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 26 Feb 2025 24 Feb 2025 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 25 Feb 2025 21 Feb 2025 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 30 Oct 2024 30 Oct 2024 000-13292
144 Open 144 document View SEC filing for 144 30 Oct 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 28 Feb 2024 26 Feb 2024 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 27 Feb 2024 23 Feb 2024 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 07 Nov 2023 03 Nov 2023 000-13292
144 Open 144 document View SEC filing for 144 30 Oct 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 09 Jun 2023 08 Jun 2023 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Mar 2023 01 Mar 2023 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Mar 2023 28 Feb 2023 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 Mar 2023 27 Feb 2023 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 27 Feb 2023 24 Feb 2023 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 Mar 2022 15 Mar 2022 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Mar 2022 01 Mar 2022 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Mar 2022 28 Feb 2022 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 Mar 2022 25 Feb 2022 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Mar 2021 01 Mar 2021 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 Mar 2021 25 Feb 2021 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 23 Nov 2020 19 Nov 2020 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 20 Aug 2020 18 Aug 2020 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 Aug 2020 13 Aug 2020 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 11 Aug 2020 07 Aug 2020 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Mar 2020 02 Mar 2020 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Mar 2020 27 Feb 2020 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 06 Nov 2019 05 Nov 2019 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Nov 2019 31 Oct 2019 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 19 Aug 2019 15 Aug 2019 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Aug 2019 01 Aug 2019 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 09 May 2019 07 May 2019 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 06 May 2019 02 May 2019 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 19 Mar 2019 15 Mar 2019 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 13 Mar 2019 11 Mar 2019 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 06 Mar 2019 04 Mar 2019 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Mar 2019 28 Feb 2019 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 11 May 2018 09 May 2018 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 08 May 2018 04 May 2018 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 13 Mar 2018 12 Mar 2018 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 07 Mar 2018 05 Mar 2018 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Mar 2018 01 Mar 2018 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 06 Nov 2017 03 Nov 2017 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 08 Sep 2017 07 Sep 2017 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 06 Sep 2017 01 Sep 2017 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 09 Aug 2017 07 Aug 2017 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 06 Mar 2017 02 Mar 2017 000-13292
5 Open 5 document View SEC filing for 5 FORM 5 SUBMISSION 14 Feb 2017 31 Dec 2016 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 14 Nov 2016 10 Nov 2016 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 19 Aug 2016 17 Aug 2016 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 10 Aug 2016 08 Aug 2016 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Mar 2016 02 Mar 2016 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Mar 2016 29 Feb 2016 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Mar 2015 02 Mar 2015 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 13 Nov 2014 11 Nov 2014 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 28 May 2014 23 May 2014 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 15 May 2014 13 May 2014 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 09 May 2014 09 May 2014 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 06 Mar 2014 03 Mar 2014 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 28 Feb 2014 26 Feb 2014 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 19 Nov 2013 19 Nov 2013 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 18 Nov 2013 14 Nov 2013 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 10 Sep 2013 06 Sep 2013 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 29 Aug 2013 27 Aug 2013 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 13 Jun 2013 12 Jun 2013 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 May 2013 15 May 2013 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 15 May 2013 13 May 2013 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 10 May 2013 08 May 2013 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 13 Mar 2013 13 Mar 2013 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 28 Feb 2013 26 Feb 2013 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 28 Feb 2013 25 Feb 2013 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 14 Dec 2012 12 Dec 2012 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 06 Mar 2012 02 Mar 2012 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 13 Dec 2011 09 Dec 2011 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 07 Dec 2011 05 Dec 2011 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 Mar 2011 25 Feb 2011 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 15 Dec 2010 13 Dec 2010 000-13292
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Mar 2010 26 Feb 2010 000-13292

About this filer

David M. Whitney files with the SEC under CIK 0001357113. 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 .