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 A. Szlosek SEC EDGAR Filings

SEC filings, ownership reports, and insider transactions for CIK 0001293167.

Entity Type

Individual

Total Filings

148

Latest Filing

03 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 03 Mar 2026 for CIK 0001293167.

View Source Filing

Business address: Autonation Inc, 200 Sw 1 St Ave, Suite 1600, Fort Lauderdale, FL, 33301
Top holdings (ownership): AVTR, AN, JBI, RXO, and STX

Quick Takeaways

Thomas A. Szlosek is an SEC filer tracked under CIK 0001293167.
148 filings are listed on this profile.
Common form coverage includes 4, 4/A, 3 and more.

What Changed

Latest filing: 4 filed on 03 Mar 2026.
Report period: 01 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 03 Mar 2026 for CIK 0001293167.

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 A. Szlosek.

Latest source-backed update: 4 filed 03 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 03 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 A. Szlosek

Ownership report updated

Latest ownership report period: 01 Mar 2026. Open the source-backed page to inspect the fresh filing or facts context.

Update date

03 Mar 2026

Page type

Ownership filings

Latest period

01 Mar 2026

Ownership context was refreshed from SEC Forms 3/4/5 filed on 03 Mar 2026.

Open ownership filings Browse recent public updates

Filer Overview

Thomas A. Szlosek has filed 148 SEC EDGAR filings since 08 Jun 2004. Common forms include 4, 4/A, 3, 144 and more.

Reporting owner transactions Latest 13F filings

Latest Filings

Recent SEC filings for Thomas A. Szlosek with direct links to document and filing folders.

4 File 001-13107

FORM 4

Filing date: 03 Mar 2026
Reporting date: 01 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-13107

FORM 4

Filing date: 30 Jan 2026
Reporting date: 28 Jan 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41514

OWNERSHIP DOCUMENT

Filing date: 06 Jan 2026
Reporting date: 02 Jan 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4/A File 001-31560

FORM 4/A

Filing date: 12 Nov 2025
Reporting date: 25 Oct 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41514

OWNERSHIP DOCUMENT

Filing date: 12 Nov 2025
Reporting date: 07 Nov 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-31560

FORM 4

Filing date: 28 Oct 2025
Reporting date: 25 Oct 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-31560

FORM 4

Filing date: 26 Aug 2025
Reporting date: 23 Aug 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-31560

FORM 3

Filing date: 26 Aug 2025
Reporting date: 23 Aug 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-13107

FORM 4

Filing date: 08 Aug 2025
Reporting date: 07 Aug 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-40456

OWNERSHIP DOCUMENT

Filing date: 10 Jun 2025
Reporting date: 09 Jun 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41514

FORM 4

Filing date: 16 May 2025
Reporting date: 14 May 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41514

FORM 4

Filing date: 13 May 2025
Reporting date: 09 May 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-13107

FORM 4

Filing date: 04 Mar 2025
Reporting date: 01 Mar 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41514

FORM 4

Filing date: 06 Jan 2025
Reporting date: 02 Jan 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-13107

FORM 4

Filing date: 09 Aug 2024
Reporting date: 07 Aug 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-40456

FORM 4

Filing date: 20 Jun 2024
Reporting date: 18 Jun 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-13107

FORM 4

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

4 File 001-13107

FORM 4

Filing date: 27 Feb 2024
Reporting date: 23 Feb 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41514

FORM 4

Filing date: 04 Jan 2024
Reporting date: 02 Jan 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 16 Oct 2023
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 12 Oct 2023
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 20 Sep 2023
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41514

FORM 4

Filing date: 19 Sep 2023
Reporting date: 15 Sep 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 12 Sep 2023
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-13107

FORM 4

Filing date: 09 Aug 2023
Reporting date: 07 Aug 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-13107

FORM 3

Filing date: 09 Aug 2023
Reporting date: 07 Aug 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-40456

FORM 4 SUBMISSION

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

4 File 001-38912

FORM 4

Filing date: 19 May 2023
Reporting date: 17 May 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38912

FORM 4

Filing date: 27 Feb 2023
Reporting date: 23 Feb 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38912

FORM 4

Filing date: 22 Feb 2023
Reporting date: 20 Feb 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38912

FORM 4

Filing date: 02 Feb 2023
Reporting date: 31 Jan 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41514

FORM 4

Filing date: 05 Jan 2023
Reporting date: 03 Jan 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38912

FORM 4

Filing date: 04 Jan 2023
Reporting date: 02 Jan 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41514

FORM 4

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

4 File 001-38912

FORM 4

Filing date: 17 Nov 2022
Reporting date: 16 Nov 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-41514

OWNERSHIP DOCUMENT

Filing date: 01 Nov 2022
Reporting date: 26 Oct 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-40456

FORM 4 SUBMISSION

Filing date: 08 Jun 2022
Reporting date: 07 Jun 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38912

FORM 4

Filing date: 19 May 2022
Reporting date: 17 May 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38912

FORM 4

Filing date: 25 Feb 2022
Reporting date: 23 Feb 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38912

FORM 4

Filing date: 22 Feb 2022
Reporting date: 20 Feb 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-40456

FORM 4 SUBMISSION

Filing date: 06 Jan 2022
Reporting date: 22 Dec 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38912

FORM 4

Filing date: 05 Jan 2022
Reporting date: 02 Jan 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-40456

FORM 4 SUBMISSION

Filing date: 16 Nov 2021
Reporting date: 12 Nov 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-40456

FORM 3 SUBMISSION

Filing date: 07 Jun 2021
Reporting date: 07 Jun 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38912

FORM 4

Filing date: 19 May 2021
Reporting date: 17 May 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38912

FORM 4

Filing date: 01 Mar 2021
Reporting date: 25 Feb 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38912

FORM 4

Filing date: 23 Feb 2021
Reporting date: 22 Feb 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38912

FORM 4

Filing date: 06 Jan 2021
Reporting date: 02 Jan 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38912

FORM 4

Filing date: 19 May 2020
Reporting date: 17 May 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38912

FORM 4

Filing date: 25 Feb 2020
Reporting date: 21 Feb 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38912

FORM 4

Filing date: 06 Jan 2020
Reporting date: 02 Jan 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38912

FORM 4 SUBMISSION

Filing date: 23 May 2019
Reporting date: 21 May 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-38912

FORM 3 SUBMISSION

Filing date: 16 May 2019
Reporting date: 16 May 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-08974

FORM 4

Filing date: 01 Mar 2018
Reporting date: 27 Feb 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-08974

FORM 4

Filing date: 01 Aug 2017
Reporting date: 31 Jul 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-08974

FORM 4

Filing date: 27 Jul 2017
Reporting date: 25 Jul 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-08974

FORM 4

Filing date: 09 May 2017
Reporting date: 08 May 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-08974

FORM 4

Filing date: 02 Mar 2017
Reporting date: 28 Feb 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-08974

FORM 4

Filing date: 28 Feb 2017
Reporting date: 26 Feb 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-08974

FORM 4

Filing date: 02 Aug 2016
Reporting date: 29 Jul 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-08974

FORM 4

Filing date: 28 Apr 2016
Reporting date: 27 Apr 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-08974

FORM 4

Filing date: 02 Mar 2016
Reporting date: 29 Feb 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-08974

FORM 4

Filing date: 29 Feb 2016
Reporting date: 25 Feb 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-08974

FORM 4

Filing date: 24 Jul 2015
Reporting date: 23 Jul 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-08974

4 filing

Filing date: 15 Jun 2015
Reporting date: 12 Jun 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-08974

4 filing

Filing date: 01 Jun 2015
Reporting date: 29 May 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-08974

4 filing

Filing date: 18 May 2015
Reporting date: 15 May 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-08974

4 filing

Filing date: 04 May 2015
Reporting date: 01 May 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-08974

4 filing

Filing date: 21 Apr 2015
Reporting date: 17 Apr 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-08974

4 filing

Filing date: 06 Apr 2015
Reporting date: 02 Apr 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-08974

4 filing

Filing date: 23 Mar 2015
Reporting date: 20 Mar 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-08974

4 filing

Filing date: 09 Mar 2015
Reporting date: 06 Mar 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-08974

FORM 4

Filing date: 03 Mar 2015
Reporting date: 01 Mar 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-08974

FORM 4

Filing date: 02 Mar 2015
Reporting date: 26 Feb 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-08974

4 filing

Filing date: 23 Feb 2015
Reporting date: 20 Feb 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-08974

4 filing

Filing date: 09 Feb 2015
Reporting date: 06 Feb 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-08974

4 filing

Filing date: 26 Jan 2015
Reporting date: 23 Jan 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-08974

4 filing

Filing date: 29 Dec 2014
Reporting date: 26 Dec 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-08974

4 filing

Filing date: 16 Dec 2014
Reporting date: 12 Dec 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-08974

4 filing

Filing date: 01 Dec 2014
Reporting date: 28 Nov 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-08974

4 filing

Filing date: 17 Nov 2014
Reporting date: 14 Nov 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-08974

4 filing

Filing date: 03 Nov 2014
Reporting date: 31 Oct 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-08974

4 filing

Filing date: 20 Oct 2014
Reporting date: 17 Oct 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-08974

4 filing

Filing date: 06 Oct 2014
Reporting date: 03 Oct 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-08974

4 filing

Filing date: 22 Sep 2014
Reporting date: 19 Sep 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-08974

4 filing

Filing date: 09 Sep 2014
Reporting date: 05 Sep 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-08974

4 filing

Filing date: 25 Aug 2014
Reporting date: 22 Aug 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-08974

4 filing

Filing date: 11 Aug 2014
Reporting date: 08 Aug 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-08974

FORM 4

Filing date: 29 Jul 2014
Reporting date: 25 Jul 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-08974

4 filing

Filing date: 28 Jul 2014
Reporting date: 25 Jul 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-08974

4 filing

Filing date: 14 Jul 2014
Reporting date: 11 Jul 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-08974

4 filing

Filing date: 01 Jul 2014
Reporting date: 27 Jun 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-08974

4 filing

Filing date: 16 Jun 2014
Reporting date: 13 Jun 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-08974

4 filing

Filing date: 03 Jun 2014
Reporting date: 30 May 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-08974

4 filing

Filing date: 19 May 2014
Reporting date: 16 May 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-08974

4 filing

Filing date: 05 May 2014
Reporting date: 02 May 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-08974

4 filing

Filing date: 21 Apr 2014
Reporting date: 17 Apr 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-08974

FORM 3

Filing date: 14 Apr 2014
Reporting date: 07 Apr 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

About this filer

Thomas A. Szlosek files with the SEC under CIK 0001293167. 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.