Filer Snapshot

Thomas John Dietz SEC EDGAR Filings

SEC filings, ownership reports, and insider transactions for CIK 0001574218.

Entity Type

Individual

Total Filings

54

Latest Filing

17 Mar 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 and return after a new SEC filing changes the record here.

Create free account to save and revisit this page

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 17 Mar 2026 for CIK 0001574218.

View Source Filing
Business address
C/O Transcept Pharmaceutical, Inc., 1003 W. Cutting Blvd, Ste 110, Pt. Richmond, CA, 94804
Top holdings (ownership)
CYPH

Quick Takeaways

  • Thomas John Dietz is an SEC filer tracked under CIK 0001574218.
  • 54 filings are listed on this profile.
  • Common form coverage includes 4, 3, 4/A.

What Changed

  • Latest filing: 4 filed on 17 Mar 2026.
  • Report period: 13 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 17 Mar 2026 for CIK 0001574218.

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 John Dietz.

Latest source-backed update
4 filed 17 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 17 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 John Dietz

Ownership report updated

Latest ownership report period: 13 Mar 2026. Open the source-backed page to inspect the fresh filing or facts context.

Update date

17 Mar 2026

Page type

Ownership filings

Latest period

13 Mar 2026

Ownership context was refreshed from SEC Forms 3/4/5 filed on 17 Mar 2026.

Open ownership filings Browse recent public updates

Filer Overview

Thomas John Dietz has filed 54 SEC EDGAR filings since 11 Apr 2013. Common forms include 4, 3, 4/A.

Reporting owner transactions Latest 13F filings

Latest Filings

Recent SEC filings for Thomas John Dietz 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 OWNERSHIP DOCUMENT 17 Mar 2026 13 Mar 2026 001-37990
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 30 Dec 2025 23 Dec 2025 001-37990
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 13 Nov 2025 11 Nov 2025 001-37990
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 04 Oct 2024 02 Oct 2024 001-37990
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 31 Jan 2024 29 Jan 2024 001-37990
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 21 Sep 2023 21 Sep 2023 001-36066
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 25 Aug 2023 23 Aug 2023 001-37990
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 04 Apr 2023 31 Mar 2023 001-37990
4 Open 4 document View SEC filing for 4 03 Mar 2023 01 Mar 2023 001-36183
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 09 Feb 2023 08 Feb 2023 001-36066
4 Open 4 document View SEC filing for 4 FORM 4 25 Jan 2023 23 Jan 2023 001-36183
4 Open 4 document View SEC filing for 4 27 Dec 2022 22 Dec 2022 001-36183
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 02 Sep 2022 01 Sep 2022 001-37990
4 Open 4 document View SEC filing for 4 FORM 4 11 Mar 2022 11 Mar 2022 001-36183
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 18 Feb 2022 16 Feb 2022 001-36066
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 02 Feb 2022 31 Jan 2022 001-37990
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 12 Apr 2021 09 Apr 2021 001-36183
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 15 Mar 2021 12 Mar 2021 001-36183
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 22 Feb 2021 18 Feb 2021 001-36066
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 06 Jan 2021 04 Jan 2021 001-37990
4 Open 4 document View SEC filing for 4 4 12 Aug 2020 10 Aug 2020 001-37990
4 Open 4 document View SEC filing for 4 4 13 Apr 2020 09 Apr 2020 001-37990
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 Mar 2020 16 Mar 2020 001-36183
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 13 Mar 2020 12 Mar 2020 001-36183
4 Open 4 document View SEC filing for 4 4 04 Mar 2020 02 Mar 2020 001-37990
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 21 Feb 2020 19 Feb 2020 001-36066
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 13 Jan 2020 10 Jan 2020 001-36183
4 Open 4 document View SEC filing for 4 4 12 Jun 2019 11 Jun 2019 001-37990
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 23 Apr 2019 23 Apr 2019 001-36183
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 22 Apr 2019 22 Apr 2019 001-36183
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 25 Mar 2019 21 Mar 2019 001-36183
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 28 Feb 2019 26 Feb 2019 001-36066
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 20 Feb 2019 15 Feb 2019 001-36066
4 Open 4 document View SEC filing for 4 4 03 Jan 2019 01 Jan 2019 001-37990
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 26 Dec 2018 21 Dec 2018 001-36066
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 20 Dec 2018 20 Dec 2018 001-36183
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 10 Dec 2018 06 Dec 2018 001-36183
4 Open 4 document View SEC filing for 4 4 20 Apr 2018 18 Apr 2018 001-37990
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 16 Mar 2018 14 Mar 2018 001-36183
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 16 Feb 2018 14 Feb 2018 001-36066
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 07 Feb 2018 05 Feb 2018 001-36066
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 13 Apr 2017 12 Apr 2017 001-36183
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 06 Feb 2017 02 Feb 2017 001-36066
4 Open 4 document View SEC filing for 4 4 23 Jan 2017 23 Jan 2017 001-37990
3 Open 3 document View SEC filing for 3 3 23 Jan 2017 20 Jan 2017 001-37990
4/A Open 4/A document View SEC filing for 4/A FORM 4/A SUBMISSION 15 Sep 2016 28 Mar 2016 001-36183
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 01 Apr 2016 28 Mar 2016 001-36183
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 25 Mar 2016 22 Mar 2016 001-36183
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 08 Feb 2016 04 Feb 2016 001-36066
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 06 Feb 2015 04 Feb 2015 001-36066
4 Open 4 document View SEC filing for 4 DIETZ FORM 4 30 Oct 2014 30 Oct 2014 001-36066
4 Open 4 document View SEC filing for 4 DIETZ 05 Jun 2014 03 Jun 2014 001-36066
4 Open 4 document View SEC filing for 4 DIETZ FORM 4 11 Apr 2013 10 Apr 2013 000-51967
3 Open 3 document View SEC filing for 3 DIETZ FORM 3 11 Apr 2013 10 Apr 2013 000-51967

About this filer

Thomas John Dietz files with the SEC under CIK 0001574218. 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.