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

David Charles Lubner

CIK 0001572000. 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

28 Apr 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 28 Apr 2026 for CIK 0001572000.

View Source Filing

Business address: C/O Tetraphase Pharmaceuticals, Inc., 480 Arsenal Street, Suite 110, Watertown, MA, 02472

Filer intelligence

What SEC filings say about David Charles Lubner

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 ACLX worth $0.

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 5 rows

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

Open

Forms 3/4/5 insider context

ACLX

28 Apr 2026

Issuer page Owner page

DYN

24 Apr 2026

Issuer page Owner page

CRGX

19 Aug 2025

Issuer page Owner page

CBIO

23 Jun 2025

Issuer page Owner page

Latest update

What changed recently for David Charles Lubner

Ownership report updated

Latest ownership report period: 28 Apr 2026. Open the source-backed page to inspect the fresh filing or facts context.

Update date

28 Apr 2026

Page type

Ownership filings

Latest period

28 Apr 2026

Ownership context was refreshed from SEC Forms 3/4/5 filed on 28 Apr 2026.

Open ownership filings Browse recent public updates

Filer Overview

David Charles Lubner has filed 65 SEC EDGAR filings since 19 Mar 2013. Common forms include 4, 144, 3, 4/A.

David Charles Lubner SEC filings David Charles Lubner owner filings

Latest Filings

Recent SEC filings for David Charles Lubner with direct links to document and filing folders.

4 File 001-39509

4

Filing date: 28 Apr 2026
Reporting date: 24 Apr 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41259

4 filing

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

4 File 001-41259

4

Filing date: 20 Jan 2026
Reporting date: 20 Jan 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 20 Jan 2026
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41859

4 filing

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

4 File 001-36177

OWNERSHIP DOCUMENT

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

3 File 001-36177

OWNERSHIP DOCUMENT

Filing date: 23 Jun 2025
Reporting date: 13 Jun 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41859

4 filing

Filing date: 20 Jun 2025
Reporting date: 18 Jun 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-39509

4

Filing date: 03 Jun 2025
Reporting date: 30 May 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41259

4 filing

Filing date: 30 May 2025
Reporting date: 29 May 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-39979

4 filing

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

4 File 001-41859

4 filing

Filing date: 06 Jun 2024
Reporting date: 04 Jun 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41259

4 filing

Filing date: 06 Jun 2024
Reporting date: 28 May 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-39979

4 filing

Filing date: 28 May 2024
Reporting date: 23 May 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-39509

4

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

4 File 001-39373

OWNERSHIP DOCUMENT

Filing date: 27 Dec 2023
Reporting date: 26 Dec 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41859

4 filing

Filing date: 13 Nov 2023
Reporting date: 09 Nov 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-41859

3 filing

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

4 File 001-41259

FORM 4 SUBMISSION

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

4 File 001-39373

OWNERSHIP DOCUMENT

Filing date: 05 Jun 2023
Reporting date: 01 Jun 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-39979

FORM 4 SUBMISSION

Filing date: 02 Jun 2023
Reporting date: 26 May 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-39509

FORM 4 SUBMISSION

Filing date: 25 May 2023
Reporting date: 24 May 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-39373

OWNERSHIP DOCUMENT

Filing date: 28 Nov 2022
Reporting date: 23 Nov 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-39509

FORM 4 SUBMISSION

Filing date: 06 Jul 2022
Reporting date: 05 Jul 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-39979

FORM 4 SUBMISSION

Filing date: 16 Jun 2022
Reporting date: 14 Jun 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-39509

FORM 4 SUBMISSION

Filing date: 06 Jun 2022
Reporting date: 03 Jun 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-39373

OWNERSHIP DOCUMENT

Filing date: 06 Jun 2022
Reporting date: 02 Jun 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4/A File 001-39438

FORM 4/A SUBMISSION

Filing date: 09 Mar 2022
Reporting date: 12 Mar 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4/A File 001-39438

FORM 4/A SUBMISSION

Filing date: 09 Mar 2022
Reporting date: 04 Oct 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41259

FORM 4 SUBMISSION

Filing date: 09 Feb 2022
Reporting date: 08 Feb 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41259

FORM 4 SUBMISSION

Filing date: 07 Feb 2022
Reporting date: 03 Feb 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-41259

FORM 3 SUBMISSION

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

4 File 001-39438

FORM 4 SUBMISSION

Filing date: 06 Oct 2021
Reporting date: 04 Oct 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-39373

OWNERSHIP DOCUMENT

Filing date: 08 Jul 2021
Reporting date: 06 Jul 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-39509

FORM 4 SUBMISSION

Filing date: 27 May 2021
Reporting date: 26 May 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-39438

4 filing

Filing date: 07 Apr 2021
Reporting date: 12 Mar 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-39438

4 filing

Filing date: 15 Mar 2021
Reporting date: 12 Mar 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-39438

3 filing

Filing date: 10 Feb 2021
Reporting date: 05 Feb 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-39979

FORM 4 SUBMISSION

Filing date: 09 Feb 2021
Reporting date: 05 Feb 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-39979

FORM 3 SUBMISSION

Filing date: 04 Feb 2021
Reporting date: 04 Feb 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-39509

FORM 4 SUBMISSION

Filing date: 23 Sep 2020
Reporting date: 31 Jul 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-39509

FORM 3 SUBMISSION

Filing date: 16 Sep 2020
Reporting date: 16 Sep 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-39373

3

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

4 File 001-37926

4

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

4 File 001-38217

FORM 4 SUBMISSION

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

4 File 001-37926

4

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

4 File 001-38217

FORM 4 SUBMISSION

Filing date: 29 Jan 2019
Reporting date: 25 Jan 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-38217

FORM 3 SUBMISSION

Filing date: 02 Jan 2019
Reporting date: 01 Jan 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-37926

4

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

4 File 001-37926

4

Filing date: 03 Feb 2017
Reporting date: 01 Feb 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-37926

4

Filing date: 31 Oct 2016
Reporting date: 31 Oct 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-37926

3

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

4 File 001-35837

FORM 4 SUBMISSION

Filing date: 17 Aug 2015
Reporting date: 14 Aug 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-35837

FORM 4 SUBMISSION

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

4 File 001-35837

FORM 4 SUBMISSION

Filing date: 16 Jun 2015
Reporting date: 12 Jun 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-35837

FORM 4 SUBMISSION

Filing date: 18 May 2015
Reporting date: 14 May 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-35837

FORM 4 SUBMISSION

Filing date: 09 Jan 2015
Reporting date: 07 Jan 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-35837

FORM 4 SUBMISSION

Filing date: 18 Jun 2014
Reporting date: 17 Jun 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-35837

FORM 4 SUBMISSION

Filing date: 10 Mar 2014
Reporting date: 06 Mar 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-35837

FORM 4 SUBMISSION

Filing date: 13 Feb 2014
Reporting date: 12 Feb 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-35837

FORM 4 SUBMISSION

Filing date: 11 Feb 2014
Reporting date: 07 Feb 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-35837

FORM 4 SUBMISSION

Filing date: 10 Jan 2014
Reporting date: 08 Jan 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-35837

FORM 4

Filing date: 17 May 2013
Reporting date: 15 May 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-35837

FORM 4

Filing date: 27 Mar 2013
Reporting date: 25 Mar 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-35837

FORM 3

Filing date: 19 Mar 2013
Reporting date: 19 Mar 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

About this filer

David Charles Lubner files with the SEC under CIK 0001572000. 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.

David Charles Lubner

Follow future filing-backed changes

What SEC filings say about David Charles Lubner

Quick read

SEC source mix

Forms 3/4/5 insider context

What changed recently for David Charles Lubner

Filer Overview

Latest Filings

4

4 filing

4

144 filing

4 filing

OWNERSHIP DOCUMENT

OWNERSHIP DOCUMENT

4 filing

4

4 filing

4 filing

4 filing

4 filing

4 filing

4

OWNERSHIP DOCUMENT

4 filing

3 filing

FORM 4 SUBMISSION

OWNERSHIP DOCUMENT

FORM 4 SUBMISSION

FORM 4 SUBMISSION

OWNERSHIP DOCUMENT

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

OWNERSHIP DOCUMENT

FORM 4/A SUBMISSION

FORM 4/A SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 3 SUBMISSION

FORM 4 SUBMISSION

OWNERSHIP DOCUMENT

FORM 4 SUBMISSION

4 filing

4 filing

3 filing

FORM 4 SUBMISSION

FORM 3 SUBMISSION

FORM 4 SUBMISSION

FORM 3 SUBMISSION

3

4

FORM 4 SUBMISSION

4

FORM 4 SUBMISSION

FORM 3 SUBMISSION

4

4

4

3

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

FORM 4

FORM 3

About this filer

FAQ

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