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

Mitchell Rock

CIK 0001240676. 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

04 Mar 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 04 Mar 2026 for CIK 0001240676.

View Source Filing

Business address: 100 Hale Street, Newburyport, MA, 01950
Top holdings (ownership): UFPT

Filer intelligence

What SEC filings say about Mitchell Rock

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 UFPT worth $9.68M.

SEC source mix

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

XML parsed

13F portfolio No rows yet

Quarterly institutional portfolio holdings.

Open

13D/G stakes No rows yet

Beneficial ownership and large-stake disclosures.

Open

Forms 3/4/5 1 rows

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

Open

Forms 3/4/5 insider context

UFPT

02 Mar 2026 · President

$9.68M

Issuer page Owner page

Latest update

What changed recently for Mitchell Rock

Ownership report updated

Latest ownership report period: 02 Mar 2026. Open the source-backed page to inspect the fresh filing or facts context.

Update date

04 Mar 2026

Page type

Ownership filings

Latest period

02 Mar 2026

Ownership context was refreshed from SEC Forms 3/4/5 filed on 04 Mar 2026.

Open ownership filings Browse recent public updates

Filer Overview

Mitchell Rock has filed 80 SEC EDGAR filings since 02 Mar 2004. Common forms include 4, 4/A.

Mitchell Rock SEC filings Mitchell Rock owner filings

Latest Filings

Recent SEC filings for Mitchell Rock with direct links to document and filing folders.

4 File 001-12648

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filing date: 04 Mar 2026
Reporting date: 02 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-12648

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filing date: 12 Feb 2026
Reporting date: 10 Feb 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-12648

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filing date: 05 Mar 2025
Reporting date: 03 Mar 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-12648

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

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

4 File 001-12648

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filing date: 05 Mar 2024
Reporting date: 01 Mar 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-12648

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filing date: 08 Feb 2024
Reporting date: 06 Feb 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-12648

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

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

4 File 001-12648

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filing date: 03 Mar 2023
Reporting date: 01 Mar 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-12648

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filing date: 16 Feb 2023
Reporting date: 14 Feb 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-12648

PRIMARY DOCUMENT

Filing date: 03 Mar 2022
Reporting date: 01 Mar 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-12648

PRIMARY DOCUMENT

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

4 File 001-12648

PRIMARY DOCUMENT

Filing date: 03 Mar 2021
Reporting date: 01 Mar 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-12648

PRIMARY DOCUMENT

Filing date: 24 Feb 2021
Reporting date: 22 Feb 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-12648

PRIMARY DOCUMENT

Filing date: 08 Dec 2020
Reporting date: 03 Dec 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-12648

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Filing date: 25 Aug 2020
Reporting date: 20 Aug 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-12648

PRIMARY DOCUMENT

Filing date: 03 Mar 2020
Reporting date: 02 Mar 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-12648

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Filing date: 26 Feb 2020
Reporting date: 24 Feb 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-12648

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Filing date: 19 Feb 2020
Reporting date: 18 Feb 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-12648

PRIMARY DOCUMENT

Filing date: 12 Mar 2019
Reporting date: 08 Mar 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-12648

PRIMARY DOCUMENT

Filing date: 05 Mar 2019
Reporting date: 01 Mar 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-12648

PRIMARY DOCUMENT

Filing date: 21 Feb 2019
Reporting date: 19 Feb 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-12648

PRIMARY DOCUMENT

Filing date: 05 Mar 2018
Reporting date: 01 Mar 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-12648

PRIMARY DOCUMENT

Filing date: 22 Feb 2018
Reporting date: 21 Feb 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-12648

PRIMARY DOCUMENT

Filing date: 02 Mar 2017
Reporting date: 01 Mar 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4/A File 001-12648

PRIMARY DOCUMENT

Filing date: 23 Feb 2017
Reporting date: 21 Feb 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-12648

PRIMARY DOCUMENT

Filing date: 22 Feb 2017
Reporting date: 21 Feb 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-12648

PRIMARY DOCUMENT

Filing date: 11 May 2016
Reporting date: 09 May 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-12648

PRIMARY DOCUMENT

Filing date: 02 Mar 2016
Reporting date: 01 Mar 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-12648

PRIMARY DOCUMENT

Filing date: 24 Feb 2016
Reporting date: 22 Feb 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-12648

PRIMARY DOCUMENT

Filing date: 15 Dec 2015
Reporting date: 14 Dec 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-12648

PRIMARY DOCUMENT

Filing date: 14 Dec 2015
Reporting date: 10 Dec 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-12648

PRIMARY DOCUMENT

Filing date: 10 Dec 2015
Reporting date: 09 Dec 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-12648

PRIMARY DOCUMENT

Filing date: 09 Dec 2015
Reporting date: 08 Dec 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-12648

PRIMARY DOCUMENT

Filing date: 07 Dec 2015
Reporting date: 03 Dec 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-12648

PRIMARY DOCUMENT

Filing date: 03 Mar 2015
Reporting date: 02 Mar 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-12648

PRIMARY DOCUMENT

Filing date: 26 Feb 2015
Reporting date: 24 Feb 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-12648

PRIMARY DOCUMENT

Filing date: 06 Jun 2014
Reporting date: 04 Jun 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-12648

PRIMARY DOCUMENT

Filing date: 04 Jun 2014
Reporting date: 02 Jun 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-12648

PRIMARY DOCUMENT

Filing date: 02 Jun 2014
Reporting date: 30 May 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-12648

PRIMARY DOCUMENT

Filing date: 03 Mar 2014
Reporting date: 03 Mar 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-12648

PRIMARY DOCUMENT

Filing date: 19 Feb 2014
Reporting date: 18 Feb 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-12648

PRIMARY DOCUMENT

Filing date: 05 Mar 2013
Reporting date: 01 Mar 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-12648

PRIMARY DOCUMENT

Filing date: 26 Feb 2013
Reporting date: 24 Feb 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-12648

PRIMARY DOCUMENT

Filing date: 21 Feb 2013
Reporting date: 18 Feb 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-12648

PRIMARY DOCUMENT

Filing date: 05 Jun 2012
Reporting date: 01 Jun 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-12648

PRIMARY DOCUMENT

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

4 File 001-12648

PRIMARY DOCUMENT

Filing date: 15 May 2012
Reporting date: 11 May 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-12648

PRIMARY DOCUMENT

Filing date: 10 May 2012
Reporting date: 07 May 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-12648

PRIMARY DOCUMENT

Filing date: 25 Apr 2012
Reporting date: 24 Apr 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-12648

PRIMARY DOCUMENT

Filing date: 28 Feb 2012
Reporting date: 24 Feb 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-12648

PRIMARY DOCUMENT

Filing date: 22 Feb 2012
Reporting date: 17 Feb 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-12648

PRIMARY DOCUMENT

Filing date: 06 Jul 2011
Reporting date: 01 Jul 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-12648

PRIMARY DOCUMENT

Filing date: 20 May 2011
Reporting date: 19 May 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-12648

PRIMARY DOCUMENT

Filing date: 12 May 2011
Reporting date: 10 May 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-12648

PRIMARY DOCUMENT

Filing date: 24 Feb 2011
Reporting date: 22 Feb 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-12648

PRIMARY DOCUMENT

Filing date: 23 Feb 2011
Reporting date: 18 Feb 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-12648

PRIMARY DOCUMENT

Filing date: 12 Aug 2010
Reporting date: 11 Aug 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-12648

PRIMARY DOCUMENT

Filing date: 06 Aug 2010
Reporting date: 06 Aug 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-12648

PRIMARY DOCUMENT

Filing date: 06 Aug 2010
Reporting date: 05 Aug 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-12648

PRIMARY DOCUMENT

Filing date: 23 Feb 2010
Reporting date: 19 Feb 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-12648

PRIMARY DOCUMENT

Filing date: 23 Feb 2010
Reporting date: 19 Feb 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

About this filer

Mitchell Rock files with the SEC under CIK 0001240676. 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.

Mitchell Rock

Follow future filing-backed changes

What SEC filings say about Mitchell Rock

Quick read

SEC source mix

Forms 3/4/5 insider context

What changed recently for Mitchell Rock

Filer Overview

Latest Filings

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

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About this filer

FAQ

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