Filer Snapshot

Alan Trefler SEC EDGAR Filings

SEC filings, ownership reports, and insider transactions for CIK 0001032235.

Entity Type

Individual

Total Filings

168

Latest Filing

05 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 05 Mar 2026 for CIK 0001032235.

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Business address
225 Wyman Street, Ste 300, Waltham, MA, 02451
Top holdings (ownership)
PEGA
Top holdings (Schedule 13G)
PEGA

Quick Takeaways

  • Alan Trefler is an SEC filer tracked under CIK 0001032235.
  • 168 filings are listed on this profile.
  • Common form coverage includes 4, 144, SCHEDULE 13G/A and more.

What Changed

  • Latest filing: 4 filed on 05 Mar 2026.
  • Report period: 03 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 05 Mar 2026 for CIK 0001032235.

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 Alan Trefler.

Latest source-backed update
4 filed 05 Mar 2026
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Revisit after a new SEC filing appears to compare the updated record with prior filings.
  • Latest filing on record: 4 filed 05 Mar 2026.
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Filer freshness comes from SEC EDGAR submission history and related source-backed ownership or portfolio filings when available.

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Latest update

What changed recently for Alan Trefler

Ownership report updated

Latest ownership report period: 03 Mar 2026. Open the source-backed page to inspect the fresh filing or facts context.

Update date

05 Mar 2026

Page type

Ownership filings

Latest period

03 Mar 2026

Ownership context was refreshed from SEC Forms 3/4/5 filed on 05 Mar 2026.

Open ownership filings Browse recent public updates

Filer Overview

Alan Trefler has filed 168 SEC EDGAR filings since 11 Feb 1997. Common forms include 4, 144, SCHEDULE 13G/A, 4/A and more.

Reporting owner transactions Latest 13F filings

Latest Filings

Recent SEC filings for Alan Trefler 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 05 Mar 2026 03 Mar 2026 001-11859
4 Open 4 document View SEC filing for 4 FORM 4 03 Mar 2026 02 Mar 2026 001-11859
4 Open 4 document View SEC filing for 4 FORM 4 19 Feb 2026 17 Feb 2026 001-11859
144 Open 144 document View SEC filing for 144 17 Feb 2026
144 Open 144 document View SEC filing for 144 17 Feb 2026
4 Open 4 document View SEC filing for 4 FORM 4 23 Jan 2026 21 Jan 2026 001-11859
4 Open 4 document View SEC filing for 4 FORM 4 22 Dec 2025 18 Dec 2025 001-11859
4 Open 4 document View SEC filing for 4 FORM 4 19 Dec 2025 17 Dec 2025 001-11859
144 Open 144 document View SEC filing for 144 17 Dec 2025
4 Open 4 document View SEC filing for 4 FORM 4 03 Dec 2025 02 Dec 2025 001-11859
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 12 Nov 2025
4 Open 4 document View SEC filing for 4 FORM 4 07 Nov 2025 05 Nov 2025 001-11859
4 Open 4 document View SEC filing for 4 FORM 4 23 Oct 2025 21 Oct 2025 001-11859
4 Open 4 document View SEC filing for 4 FORM 4 19 Sep 2025 17 Sep 2025 001-11859
4 Open 4 document View SEC filing for 4 FORM 4 17 Sep 2025 15 Sep 2025 001-11859
144 Open 144 document View SEC filing for 144 16 Sep 2025
4 Open 4 document View SEC filing for 4 FORM 4 04 Sep 2025 02 Sep 2025 001-11859
4 Open 4 document View SEC filing for 4 FORM 4 07 Aug 2025 05 Aug 2025 001-11859
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 01 Aug 2025
4 Open 4 document View SEC filing for 4 FORM 4 14 Jul 2025 10 Jul 2025 001-11859
4 Open 4 document View SEC filing for 4 FORM 4 11 Jul 2025 09 Jul 2025 001-11859
4/A Open 4/A document View SEC filing for 4/A FORM 4/A 11 Jul 2025 16 Apr 2025 001-11859
4 Open 4 document View SEC filing for 4 FORM 4 23 Jun 2025 18 Jun 2025 001-11859
4 Open 4 document View SEC filing for 4 FORM 4 18 Jun 2025 17 Jun 2025 001-11859
4 Open 4 document View SEC filing for 4 FORM 4 03 Jun 2025 02 Jun 2025 001-11859
4 Open 4 document View SEC filing for 4 FORM 4 30 May 2025 28 May 2025 001-11859
4 Open 4 document View SEC filing for 4 FORM 4 28 May 2025 27 May 2025 001-11859
144 Open 144 document View SEC filing for 144 27 May 2025
144 Open 144 document View SEC filing for 144 05 May 2025
4 Open 4 document View SEC filing for 4 FORM 4 21 Apr 2025 16 Apr 2025 001-11859
4 Open 4 document View SEC filing for 4 FORM 4 13 Mar 2025 11 Mar 2025 001-11859
4 Open 4 document View SEC filing for 4 FORM 4 06 Mar 2025 04 Mar 2025 001-11859
4 Open 4 document View SEC filing for 4 FORM 4 04 Mar 2025 03 Mar 2025 001-11859
4 Open 4 document View SEC filing for 4 FORM 4 27 Feb 2025 25 Feb 2025 001-11859
144 Open 144 document View SEC filing for 144 25 Feb 2025
4 Open 4 document View SEC filing for 4 FORM 4 14 Feb 2025 12 Feb 2025 001-11859
4 Open 4 document View SEC filing for 4 FORM 4 27 Dec 2024 24 Dec 2024 001-11859
4 Open 4 document View SEC filing for 4 FORM 4 04 Dec 2024 03 Dec 2024 001-11859
4 Open 4 document View SEC filing for 4 FORM 4 03 Dec 2024 02 Dec 2024 001-11859
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 12 Nov 2024
4 Open 4 document View SEC filing for 4 FORM 4 16 Sep 2024 12 Sep 2024 001-11859
4 Open 4 document View SEC filing for 4 FORM 4 04 Sep 2024 03 Sep 2024 001-11859
144 Open 144 document View SEC filing for 144 15 Aug 2024
144 Open 144 document View SEC filing for 144 05 Aug 2024
4 Open 4 document View SEC filing for 4 FORM 4 04 Jun 2024 03 Jun 2024 001-11859
4 Open 4 document View SEC filing for 4 FORM 4 07 Mar 2024 05 Mar 2024 001-11859
4 Open 4 document View SEC filing for 4 FORM 4 05 Mar 2024 04 Mar 2024 001-11859
4 Open 4 document View SEC filing for 4 FORM 4 16 Feb 2024 14 Feb 2024 001-11859
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 12 Feb 2024
4 Open 4 document View SEC filing for 4 FORM 4 21 Dec 2023 19 Dec 2023 001-11859
4 Open 4 document View SEC filing for 4 FORM 4 08 Dec 2023 06 Dec 2023 001-11859
4 Open 4 document View SEC filing for 4 FORM 4 05 Dec 2023 04 Dec 2023 001-11859
4 Open 4 document View SEC filing for 4 FORM 4 08 Sep 2023 06 Sep 2023 001-11859
4 Open 4 document View SEC filing for 4 FORM 4 06 Sep 2023 05 Sep 2023 001-11859
144 Open 144 document View SEC filing for 144 14 Jun 2023
4 Open 4 document View SEC filing for 4 FORM 4 07 Jun 2023 05 Jun 2023 001-11859
4 Open 4 document View SEC filing for 4 FORM 4 05 Jun 2023 02 Jun 2023 001-11859
4 Open 4 document View SEC filing for 4 FORM 4 08 Mar 2023 06 Mar 2023 001-11859
4 Open 4 document View SEC filing for 4 FORM 4 03 Mar 2023 02 Mar 2023 001-11859
5 Open 5 document View SEC filing for 5 FORM 5 14 Feb 2023 31 Dec 2022 001-11859
4 Open 4 document View SEC filing for 4 FORM 4 06 Dec 2022 02 Dec 2022 001-11859
4 Open 4 document View SEC filing for 4 FORM 4 07 Sep 2022 02 Sep 2022 001-11859
4 Open 4 document View SEC filing for 4 FORM 4 07 Jun 2022 03 Jun 2022 001-11859
4 Open 4 document View SEC filing for 4 FORM 4 03 Jun 2022 02 Jun 2022 001-11859
4 Open 4 document View SEC filing for 4 FORM 4 09 Mar 2022 07 Mar 2022 001-11859
4 Open 4 document View SEC filing for 4 FORM 4 03 Mar 2022 01 Mar 2022 001-11859
5 Open 5 document View SEC filing for 5 FORM 5 14 Feb 2022 31 Dec 2021 001-11859
4 Open 4 document View SEC filing for 4 FORM 4 08 Dec 2021 06 Dec 2021 001-11859
4 Open 4 document View SEC filing for 4 FORM 4 06 Dec 2021 03 Dec 2021 001-11859
4 Open 4 document View SEC filing for 4 FORM 4 09 Sep 2021 07 Sep 2021 001-11859
4 Open 4 document View SEC filing for 4 FORM 4 03 Sep 2021 03 Sep 2021 001-11859
4 Open 4 document View SEC filing for 4 FORM 4 09 Jun 2021 07 Jun 2021 001-11859
4 Open 4 document View SEC filing for 4 FORM 4 04 Jun 2021 03 Jun 2021 001-11859
4 Open 4 document View SEC filing for 4 FORM 4 09 Mar 2021 08 Mar 2021 001-11859
4 Open 4 document View SEC filing for 4 FORM 4 04 Mar 2021 02 Mar 2021 001-11859
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 12 Feb 2021
5 Open 5 document View SEC filing for 5 FORM 5 12 Feb 2021 31 Dec 2020 001-11859
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 09 Dec 2020 07 Dec 2020 001-11859
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 10 Sep 2020 08 Sep 2020 001-11859
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 10 Jun 2020 08 Jun 2020 001-11859
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 10 Mar 2020 06 Mar 2020 001-11859
4/A Open 4/A document View SEC filing for 4/A FORM 4/A SUBMISSION 10 Mar 2020 06 Mar 2019 001-11859
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Mar 2020 03 Mar 2020 001-11859
5 Open 5 document View SEC filing for 5 FORM 5 SUBMISSION 13 Feb 2020 31 Dec 2019 001-11859
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 13 Feb 2020
4/A Open 4/A document View SEC filing for 4/A FORM 4/A SUBMISSION 16 Aug 2019 14 Feb 2019 001-11859
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 12 Jun 2019 01 Mar 2019 001-11859
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 08 Mar 2019 06 Mar 2019 001-11859
5 Open 5 document View SEC filing for 5 FORM 5 SUBMISSION 14 Feb 2019 31 Dec 2018 001-11859
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G AMENDMENT NO. 18 14 Feb 2019
5 Open 5 document View SEC filing for 5 FORM 5 SUBMISSION 13 Feb 2018 31 Dec 2017 001-11859
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 13 Feb 2018
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 16 Feb 2017
5 Open 5 document View SEC filing for 5 FORM 5 SUBMISSION 15 Feb 2017 31 Dec 2016 001-11859
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 04 Feb 2016
5 Open 5 document View SEC filing for 5 FORM 5 SUBMISSION 04 Feb 2016 31 Dec 2015 001-11859
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 17 Feb 2015
5 Open 5 document View SEC filing for 5 FORM 5 SUBMISSION 17 Feb 2015 31 Dec 2014 001-11859
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SCHEDULE 13G AMENDMENT NO. 13 14 Feb 2014
5 Open 5 document View SEC filing for 5 FORM 5 ALAN TREFLER 1-15-2013 17 Jan 2014 31 Dec 2012 001-11859
4 Open 4 document View SEC filing for 4 FORM 4 ALAN TREFLER GIFTS SEPTEMBER 5, 2013 06 Sep 2013 05 Sep 2013 001-11859
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SCHEDULE 13G AMENDMENT NO. 11 14 Feb 2013
5 Open 5 document View SEC filing for 5 FORM 5 ALAN TREFLER 2-7-2013 07 Feb 2013 31 Dec 2012 001-11859
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SCHEDULE 13G AMENDMENT NO. 11 13 Feb 2012
5 Open 5 document View SEC filing for 5 FORM 5 ALAN TREFLER 2-8-2012 08 Feb 2012 31 Dec 2011 001-11859
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SCHEDULE 13G AMENDMENT NO. 10 11 Feb 2011
4 Open 4 document View SEC filing for 4 FORM 4 ALAN TREFLER 12-30-2010 30 Dec 2010 28 Dec 2010 001-11859
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A AMENDMENT NO. 9 TO SCHEDULE 13G 12 Feb 2010

About this filer

Alan Trefler files with the SEC under CIK 0001032235. 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.