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

Tim A. Makowski

CIK 0001672236. 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

21 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 21 May 2026 for CIK 0001672236.

View Source Filing

Business address: C/O Advanced Drainage Systems, Inc., 4024 Green Stripe Lane, Hilliard, OH
Top holdings (ownership): WMS

Filer intelligence

What SEC filings say about Tim A. Makowski

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 WMS worth $3.23M.

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.

Open

Forms 3/4/5 1 rows

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

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Forms 3/4/5 insider context

WMS

19 May 2026 · See Remarks

$3.23M

Issuer page Owner page

Latest update

What changed recently for Tim A. Makowski

Ownership report updated

Latest ownership report period: 19 May 2026. Open the source-backed page to inspect the fresh filing or facts context.

Update date

21 May 2026

Page type

Ownership filings

Latest period

19 May 2026

Ownership context was refreshed from SEC Forms 3/4/5 filed on 21 May 2026.

Open ownership filings Browse recent public updates

Filer Overview

Tim A. Makowski has filed 46 SEC EDGAR filings since 14 Apr 2016. Common forms include 4, 144, 4/A, 3.

Tim A. Makowski SEC filings Tim A. Makowski owner filings

Latest Filings

Recent SEC filings for Tim A. Makowski with direct links to document and filing folders.

4 File 001-36557

4

Filing date: 21 May 2026
Reporting date: 19 May 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36557

4

Filing date: 13 Nov 2025
Reporting date: 12 Nov 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 12 Nov 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36557

4

Filing date: 23 May 2025
Reporting date: 22 May 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36557

4

Filing date: 21 May 2025
Reporting date: 19 May 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36557

4

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

4 File 001-36557

4

Filing date: 03 Jun 2024
Reporting date: 31 May 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 31 May 2024
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36557

4

Filing date: 24 May 2024
Reporting date: 22 May 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36557

4

Filing date: 21 May 2024
Reporting date: 18 May 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36557

4

Filing date: 17 May 2024
Reporting date: 15 May 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36557

4

Filing date: 16 Feb 2024
Reporting date: 14 Feb 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 14 Feb 2024
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36557

4

Filing date: 08 Dec 2023
Reporting date: 06 Dec 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 06 Dec 2023
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36557

4

Filing date: 14 Sep 2023
Reporting date: 12 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 001-36557

4

Filing date: 14 Jun 2023
Reporting date: 13 Jun 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36557

FORM 4 SUBMISSION

Filing date: 23 May 2023
Reporting date: 19 May 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36557

FORM 4 SUBMISSION

Filing date: 22 May 2023
Reporting date: 18 May 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36557

FORM 4 SUBMISSION

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

4 File 001-36557

FORM 4 SUBMISSION

Filing date: 15 Aug 2022
Reporting date: 11 Aug 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36557

FORM 4 SUBMISSION

Filing date: 10 Aug 2022
Reporting date: 08 Aug 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4/A File 001-36557

FORM 4/A SUBMISSION

Filing date: 23 May 2022
Reporting date: 18 May 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36557

FORM 4 SUBMISSION

Filing date: 20 May 2022
Reporting date: 18 May 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36557

FORM 4 SUBMISSION

Filing date: 25 Aug 2021
Reporting date: 23 Aug 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36557

FORM 4 SUBMISSION

Filing date: 25 May 2021
Reporting date: 22 May 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36557

FORM 4 SUBMISSION

Filing date: 21 May 2021
Reporting date: 19 May 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36557

FORM 4 SUBMISSION

Filing date: 09 Apr 2021
Reporting date: 07 Apr 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36557

FORM 4 SUBMISSION

Filing date: 18 Feb 2021
Reporting date: 16 Feb 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36557

FORM 4 SUBMISSION

Filing date: 03 Dec 2020
Reporting date: 01 Dec 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36557

FORM 4 SUBMISSION

Filing date: 21 Aug 2020
Reporting date: 19 Aug 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36557

FORM 4 SUBMISSION

Filing date: 27 May 2020
Reporting date: 22 May 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36557

FORM 4 SUBMISSION

Filing date: 22 May 2020
Reporting date: 20 May 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36557

FORM 4 SUBMISSION

Filing date: 09 Apr 2020
Reporting date: 07 Apr 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36557

FORM 4 SUBMISSION

Filing date: 11 Feb 2020
Reporting date: 08 Feb 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36557

FORM 4 SUBMISSION

Filing date: 09 Dec 2019
Reporting date: 05 Dec 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36557

FORM 4 SUBMISSION

Filing date: 29 May 2019
Reporting date: 24 May 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36557

FORM 4 SUBMISSION

Filing date: 24 May 2019
Reporting date: 22 May 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36557

FORM 4 SUBMISSION

Filing date: 09 Apr 2019
Reporting date: 07 Apr 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36557

FORM 4 SUBMISSION

Filing date: 13 Mar 2019
Reporting date: 11 Mar 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36557

FORM 4 SUBMISSION

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

4 File 001-36557

FORM 4 SUBMISSION

Filing date: 29 May 2018
Reporting date: 24 May 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36557

FORM 4 SUBMISSION

Filing date: 12 Feb 2018
Reporting date: 08 Feb 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36557

FORM 4 SUBMISSION

Filing date: 10 Feb 2017
Reporting date: 08 Feb 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-36557

FORM 3 SUBMISSION

Filing date: 14 Apr 2016
Reporting date: 04 Apr 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

About this filer

Tim A. Makowski files with the SEC under CIK 0001672236. 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.

Tim A. Makowski

Follow future filing-backed changes

What SEC filings say about Tim A. Makowski

Quick read

SEC source mix

Forms 3/4/5 insider context

What changed recently for Tim A. Makowski

Filer Overview

Latest Filings

4

4

144 filing

4

4

4

4

144 filing

4

4

4

4

144 filing

4

144 filing

4

144 filing

4

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4/A SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 3 SUBMISSION

About this filer

FAQ

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