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

Douglas E. Brooks

CIK 0001548147. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.

Entity Type

Individual

Total Filings

Latest Filing

11 May 2026

Industry

n/a

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Open 13F if you want portfolio holdings.
Open 13D/G or insider pages only when this CIK has those rows.

Open reporting owner context

Source: SEC Forms 3/4/5

4 filed on 11 May 2026 for CIK 0001548147.

View Source Filing

Business address: 707 17 Th Street, Suite 3600, Denver, CO, 80202
Top holdings (ownership): CHRD and CRC

Filer intelligence

What SEC filings say about Douglas E. Brooks

A compact read of parsed XML filings. 13F, 13D/G, and Forms 3/4/5 are shown separately because they answer different ownership questions.

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Quick read

Forms 3/4/5 show insider context for CHRD worth $2.59M.

SEC source mix

Counts show available parsed rows, not one combined ownership total.

XML parsed

13F portfolio No rows yet

Quarterly institutional portfolio holdings.

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13D/G stakes No rows yet

Beneficial ownership and large-stake disclosures.

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Forms 3/4/5 2 rows

Officer, director, and 10% owner holdings or transactions.

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Forms 3/4/5 insider context

CHRD

07 May 2026

$2.59M

Issuer page Owner page

CRC

17 May 2021

$1.58M

Issuer page Owner page

Latest update

What changed recently for Douglas E. Brooks

Ownership report updated

Latest ownership report period: 07 May 2026. Open the source-backed page to inspect the fresh filing or facts context.

Update date

11 May 2026

Page type

Ownership filings

Latest period

07 May 2026

Ownership context was refreshed from SEC Forms 3/4/5 filed on 11 May 2026.

Open ownership filings Browse recent public updates

Filer Overview

Douglas E. Brooks has filed 39 SEC EDGAR filings since 26 Apr 2012. Common forms include 4, 144, 3, 4/A.

Douglas E. Brooks SEC filings Douglas E. Brooks owner filings

Latest Filings

Recent SEC filings for Douglas E. Brooks with direct links to document and filing folders.

4 File 001-34776

FORM 4

Filing date: 11 May 2026
Reporting date: 07 May 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 07 May 2026
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34776

FORM 4

Filing date: 01 May 2026
Reporting date: 29 Apr 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 13 Mar 2026
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34776

FORM 4

Filing date: 09 Mar 2026
Reporting date: 06 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 06 Mar 2026
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34776

FORM 4

Filing date: 02 May 2025
Reporting date: 30 Apr 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34776

FORM 4

Filing date: 12 Sep 2024
Reporting date: 10 Sep 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34776

FORM 4

Filing date: 03 May 2024
Reporting date: 01 May 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 27 Jun 2023
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34776

FORM 4 SUBMISSION

Filing date: 02 Jun 2023
Reporting date: 01 Jun 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 15 May 2023
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34776

FORM 4 SUBMISSION

Filing date: 01 Sep 2022
Reporting date: 31 Aug 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34776

FORM 4 SUBMISSION

Filing date: 08 Aug 2022
Reporting date: 05 Aug 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34776

FORM 4 SUBMISSION

Filing date: 04 Nov 2021
Reporting date: 02 Nov 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34776

FORM 4 SUBMISSION

Filing date: 29 Oct 2021
Reporting date: 28 Oct 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36478

FORM 4

Filing date: 17 May 2021
Reporting date: 17 May 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36478

FORM 4

Filing date: 27 Jan 2021
Reporting date: 25 Jan 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34776

FORM 4 SUBMISSION

Filing date: 31 Dec 2020
Reporting date: 29 Dec 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-38212

FORM 3 SUBMISSION

Filing date: 31 Dec 2020
Reporting date: 22 Dec 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-34776

FORM 4 SUBMISSION

Filing date: 20 Nov 2020
Reporting date: 20 Nov 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-34776

FORM 3 SUBMISSION

Filing date: 20 Nov 2020
Reporting date: 19 Nov 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-36478

FORM 3

Filing date: 03 Nov 2020
Reporting date: 27 Oct 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38602

FORM 4

Filing date: 29 Jun 2020
Reporting date: 26 Jun 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38602

FORM 4

Filing date: 03 Sep 2019
Reporting date: 30 Aug 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38602

FORM 4 SUBMISSION

Filing date: 03 Apr 2019
Reporting date: 01 Apr 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38019

4

Filing date: 18 Oct 2018
Reporting date: 18 Oct 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-38602

FORM 3 SUBMISSION

Filing date: 23 Jul 2018
Reporting date: 23 Jul 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4/A File 001-38019

4/A

Filing date: 13 Jun 2018
Reporting date: 07 Jun 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38019

4

Filing date: 11 Jun 2018
Reporting date: 07 Jun 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38019

4

Filing date: 15 May 2018
Reporting date: 14 May 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38019

4

Filing date: 19 Apr 2018
Reporting date: 17 Apr 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38019

4

Filing date: 03 Jan 2018
Reporting date: 29 Dec 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38019

4

Filing date: 22 Nov 2017
Reporting date: 20 Nov 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38019

PRIMARY DOCUMENT

Filing date: 19 Apr 2017
Reporting date: 17 Apr 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-38019

OWNERSHIP DOCUMENT

Filing date: 19 Apr 2017
Reporting date: 17 Apr 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-13515

PRIMARY DOCUMENT

Filing date: 18 Oct 2012
Reporting date: 17 Oct 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-13515

PRIMARY DOCUMENT

Filing date: 26 Apr 2012
Reporting date: 25 Apr 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-13515

PRIMARY DOCUMENT

Filing date: 26 Apr 2012
Reporting date: 25 Apr 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

About this filer

Douglas E. Brooks files with the SEC under CIK 0001548147. 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.

Douglas E. Brooks

Follow future filing-backed changes

What SEC filings say about Douglas E. Brooks

Quick read

SEC source mix

Forms 3/4/5 insider context

What changed recently for Douglas E. Brooks

Filer Overview

Latest Filings

FORM 4

144 filing

FORM 4

144 filing

FORM 4

144 filing

FORM 4

FORM 4

FORM 4

144 filing

FORM 4 SUBMISSION

144 filing

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4

FORM 4

FORM 4 SUBMISSION

FORM 3 SUBMISSION

FORM 4 SUBMISSION

FORM 3 SUBMISSION

FORM 3

FORM 4

FORM 4

FORM 4 SUBMISSION

4

FORM 3 SUBMISSION

4/A

4

4

4

4

4

PRIMARY DOCUMENT

OWNERSHIP DOCUMENT

PRIMARY DOCUMENT

PRIMARY DOCUMENT

PRIMARY DOCUMENT

About this filer

FAQ

Related pages for Douglas E. Brooks