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.

Filer Snapshot

Thomas D. Brisbin SEC EDGAR Filings

SEC filings, ownership reports, and insider transactions for CIK 0001395188.

Entity Type

Individual

Total Filings

Latest Filing

12 Mar 2026

Industry

n/a

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Go to latest filings table Open reporting owner context

Source: SEC Forms 3/4/5

4 filed on 12 Mar 2026 for CIK 0001395188.

View Source Filing

Business address: C/O Willdan Group Inc., 2401 East Katella Avenue, Suite 300, Anaheim, CA, 92806
Top holdings (ownership): WLDN

Quick Takeaways

Thomas D. Brisbin is an SEC filer tracked under CIK 0001395188.
78 filings are listed on this profile.
Common form coverage includes 4, 144, 4/A and more.

What Changed

Latest filing: 4 filed on 12 Mar 2026.
Report period: 11 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 12 Mar 2026 for CIK 0001395188.

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 Thomas D. Brisbin.

Latest source-backed update: 4 filed 12 Mar 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 12 Mar 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 Thomas D. Brisbin

Ownership report updated

Latest ownership report period: 11 Mar 2026. Open the source-backed page to inspect the fresh filing or facts context.

Update date

12 Mar 2026

Page type

Ownership filings

Latest period

11 Mar 2026

Ownership context was refreshed from SEC Forms 3/4/5 filed on 12 Mar 2026.

Open ownership filings Browse recent public updates

Filer Overview

Thomas D. Brisbin has filed 78 SEC EDGAR filings since 03 Apr 2007. Common forms include 4, 144, 4/A, 3.

Reporting owner transactions Latest 13F filings

Latest Filings

Recent SEC filings for Thomas D. Brisbin with direct links to document and filing folders.

4 File 001-33076

4 filing

Filing date: 12 Mar 2026
Reporting date: 11 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33076

4 filing

Filing date: 26 Aug 2025
Reporting date: 25 Aug 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33076

4 filing

Filing date: 26 Aug 2025
Reporting date: 22 Aug 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 25 Aug 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33076

4 filing

Filing date: 25 Aug 2025
Reporting date: 21 Aug 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33076

4 filing

Filing date: 21 Aug 2025
Reporting date: 20 Aug 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33076

4 filing

Filing date: 20 Aug 2025
Reporting date: 18 Aug 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 18 Aug 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33076

4 filing

Filing date: 12 Jun 2025
Reporting date: 11 Jun 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33076

4 filing

Filing date: 29 May 2025
Reporting date: 27 May 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33076

4 filing

Filing date: 28 May 2025
Reporting date: 23 May 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33076

4 filing

Filing date: 27 May 2025
Reporting date: 22 May 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 27 May 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33076

4 filing

Filing date: 20 May 2025
Reporting date: 16 May 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 20 May 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 19 May 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 13 May 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33076

4 filing

Filing date: 12 Mar 2025
Reporting date: 11 Mar 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33076

4 filing

Filing date: 16 Dec 2024
Reporting date: 21 Nov 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33076

4 filing

Filing date: 21 Aug 2024
Reporting date: 19 Aug 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33076

4 filing

Filing date: 13 Jun 2024
Reporting date: 12 Jun 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33076

4 filing

Filing date: 30 May 2024
Reporting date: 28 May 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33076

4 filing

Filing date: 28 May 2024
Reporting date: 24 May 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33076

4 filing

Filing date: 23 May 2024
Reporting date: 21 May 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33076

4 filing

Filing date: 21 May 2024
Reporting date: 20 May 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33076

4 filing

Filing date: 20 May 2024
Reporting date: 16 May 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 16 May 2024
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33076

4 filing

Filing date: 10 Apr 2024
Reporting date: 20 Mar 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33076

4 filing

Filing date: 28 Aug 2023
Reporting date: 24 Aug 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33076

4 filing

Filing date: 24 Aug 2023
Reporting date: 22 Aug 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33076

4 filing

Filing date: 22 Aug 2023
Reporting date: 21 Aug 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33076

4 filing

Filing date: 14 Mar 2023
Reporting date: 13 Mar 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33076

4 filing

Filing date: 13 Mar 2023
Reporting date: 10 Mar 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33076

4 filing

Filing date: 10 Mar 2023
Reporting date: 09 Mar 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33076

4 filing

Filing date: 08 Mar 2023
Reporting date: 07 Mar 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33076

4 filing

Filing date: 15 Sep 2022
Reporting date: 14 Sep 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33076

4 filing

Filing date: 30 Mar 2022
Reporting date: 28 Mar 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33076

4 filing

Filing date: 17 Mar 2022
Reporting date: 15 Mar 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33076

4 filing

Filing date: 16 Mar 2022
Reporting date: 14 Mar 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33076

4 filing

Filing date: 10 Mar 2022
Reporting date: 08 Mar 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33076

4 filing

Filing date: 13 Dec 2021
Reporting date: 09 Dec 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33076

FORM 4 -

Filing date: 15 Jun 2021
Reporting date: 11 Jun 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33076

FORM 4 -

Filing date: 11 Jun 2021
Reporting date: 09 Jun 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33076

FORM 4 -

Filing date: 27 May 2021
Reporting date: 26 May 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33076

FORM 4 -

Filing date: 26 May 2021
Reporting date: 25 May 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33076

FORM 4 -

Filing date: 24 May 2021
Reporting date: 21 May 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33076

FORM 4 -

Filing date: 26 Mar 2021
Reporting date: 22 Mar 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33076

FORM 4 -

Filing date: 23 Mar 2021
Reporting date: 11 Mar 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33076

FORM 4 -

Filing date: 12 Mar 2021
Reporting date: 10 Mar 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33076

FORM 4 -

Filing date: 11 Mar 2021
Reporting date: 09 Mar 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33076

FORM 4 -

Filing date: 22 Jun 2020
Reporting date: 19 Jun 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33076

FORM 4 -

Filing date: 12 Jun 2020
Reporting date: 10 Jun 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33076

FORM 4 -

Filing date: 09 Jun 2020
Reporting date: 05 Jun 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33076

FORM 4 -

Filing date: 12 Mar 2020
Reporting date: 02 Mar 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33076

FORM 4 -

Filing date: 07 Jun 2019
Reporting date: 05 Jun 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33076

FORM 4 -

Filing date: 28 May 2019
Reporting date: 23 May 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33076

FORM 4 -

Filing date: 07 May 2019
Reporting date: 05 May 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33076

FORM 4 -

Filing date: 26 Mar 2019
Reporting date: 05 Mar 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33076

FORM 4 -

Filing date: 06 Sep 2018
Reporting date: 04 Sep 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33076

FORM 4 -

Filing date: 05 Jun 2018
Reporting date: 31 May 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33076

FORM 4 -

Filing date: 30 Mar 2017
Reporting date: 30 Mar 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33076

FORM 4 -

Filing date: 17 Mar 2017
Reporting date: 15 Mar 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4/A File 001-33076

FORM 4/A -

Filing date: 15 Nov 2016
Reporting date: 03 Nov 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4/A File 001-33076

FORM 4/A -

Filing date: 15 Nov 2016
Reporting date: 03 Nov 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33076

FORM 4 -

Filing date: 04 Nov 2016
Reporting date: 02 Nov 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33076

FORM 4 -

Filing date: 05 May 2016
Reporting date: 04 May 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33076

FORM 4 -

Filing date: 08 Jun 2015
Reporting date: 05 Jun 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33076

FORM 4 -

Filing date: 10 Jun 2014
Reporting date: 06 Jun 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33076

FORM 4 -

Filing date: 06 Dec 2012
Reporting date: 05 Dec 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33076

FORM 4 -

Filing date: 07 Jun 2011
Reporting date: 06 Jun 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4/A File 001-33076

FORM 4/A -

Filing date: 20 Aug 2010
Reporting date: 04 Dec 2007
SEC evidence: Open document Open filing
Next action: Verify source filing

4/A File 001-33076

FORM 4/A -

Filing date: 20 Aug 2010
Reporting date: 10 Mar 2008
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33076

FORM 4 -

Filing date: 20 Aug 2010
Reporting date: 12 Aug 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

About this filer

Thomas D. Brisbin files with the SEC under CIK 0001395188. 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.