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

Norbert W. Bischofberger SEC EDGAR Filings

SEC filings, ownership reports, and insider transactions for CIK 0001190273.

Entity Type

Individual

Total Filings

134

Latest Filing

20 Jun 2025

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 20 Jun 2025 for CIK 0001190273.

View Source Filing

Business address: 333 Lakeside Dr, C/O Gilead Sciences, Inc., Foster City, CA, 94404
Top holdings (ownership): MORF and VIR
Top holdings (Schedule 13D): KRON

Quick Takeaways

Norbert W. Bischofberger is an SEC filer tracked under CIK 0001190273.
134 filings are listed on this profile.
Common form coverage includes 4, SCHEDULE 13D/A, SC 13D/A and more.

What Changed

Latest filing: 4 filed on 20 Jun 2025.
Report period: 20 Jun 2025.

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 20 Jun 2025 for CIK 0001190273.

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 Norbert W. Bischofberger.

Latest source-backed update: 4 filed 20 Jun 2025
Why come back: Revisit after a new SEC filing appears to compare the updated record with prior filings.

Latest filing on record: 4 filed 20 Jun 2025.
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.

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Latest update

What changed recently for Norbert W. Bischofberger

Ownership report updated

Latest ownership report period: 20 Jun 2025. Open the source-backed page to inspect the fresh filing or facts context.

Update date

20 Jun 2025

Page type

Ownership filings

Latest period

20 Jun 2025

Ownership context was refreshed from SEC Forms 3/4/5 filed on 20 Jun 2025.

Open ownership filings Browse recent public updates

Filer Overview

Norbert W. Bischofberger has filed 134 SEC EDGAR filings since 30 Apr 2003. Common forms include 4, SCHEDULE 13D/A, SC 13D/A, 3 and more.

Reporting owner transactions Latest 13F filings

Latest Filings

Recent SEC filings for Norbert W. Bischofberger with direct links to document and filing folders.

4 File 001-39592

4 filing

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

SCHEDULE 13D/A

SCHEDULE 13D/A filing

Filing date: 20 Jun 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-39083

FORM 4

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

4 File 001-39083

FORM 4

Filing date: 02 Jun 2025
Reporting date: 30 May 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38940

4 filing

Filing date: 20 Aug 2024
Reporting date: 16 Aug 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13D/A

Filing date: 02 Jul 2024
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-39592

4 filing

Filing date: 01 Jul 2024
Reporting date: 27 Jun 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13D/A

Filing date: 12 Jun 2024
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-39592

4 filing

Filing date: 12 Jun 2024
Reporting date: 10 Jun 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38940

4 filing

Filing date: 05 Jun 2024
Reporting date: 04 Jun 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-39083

FORM 4

Filing date: 31 May 2024
Reporting date: 29 May 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-39083

FORM 3

Filing date: 31 May 2024
Reporting date: 29 May 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-39592

4 filing

Filing date: 16 Feb 2024
Reporting date: 15 Feb 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13D

Filing date: 27 Nov 2023
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-39592

FORM 4 SUBMISSION

Filing date: 17 Nov 2023
Reporting date: 15 Nov 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38940

FORM 4 SUBMISSION

Filing date: 02 Jun 2023
Reporting date: 01 Jun 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-39592

FORM 4 SUBMISSION

Filing date: 17 Feb 2023
Reporting date: 15 Feb 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38940

FORM 4 SUBMISSION

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

4 File 001-39592

FORM 4 SUBMISSION

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

4/A File 001-38940

FORM 4/A SUBMISSION

Filing date: 29 Apr 2022
Reporting date: 16 Jun 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-39592

FORM 4 SUBMISSION

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

SC 13G/A

SC 13GA

Filing date: 17 Feb 2022
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-39592

FORM 4 SUBMISSION

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

4 File 001-38940

FORM 4 SUBMISSION

Filing date: 17 Jun 2021
Reporting date: 16 Jun 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G

Filing date: 04 May 2021
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

3/A File 001-39592

FORM 3/A SUBMISSION

Filing date: 28 Apr 2021
Reporting date: 08 Oct 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-39592

FORM 4 SUBMISSION

Filing date: 11 Dec 2020
Reporting date: 10 Dec 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-39592

FORM 4 SUBMISSION

Filing date: 16 Oct 2020
Reporting date: 14 Oct 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-39592

FORM 3 SUBMISSION

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

4 File 001-38940

FORM 4 SUBMISSION

Filing date: 19 Jun 2020
Reporting date: 18 Jun 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-38940

FORM 3 -

Filing date: 26 Jun 2019
Reporting date: 26 Jun 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19731

PRIMARY DOCUMENT

Filing date: 23 Feb 2018
Reporting date: 15 Feb 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19731

PRIMARY DOCUMENT

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

4 File 000-19731

PRIMARY DOCUMENT

Filing date: 21 Nov 2017
Reporting date: 20 Nov 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19731

PRIMARY DOCUMENT

Filing date: 21 Feb 2017
Reporting date: 15 Feb 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19731

PRIMARY DOCUMENT

Filing date: 06 Feb 2017
Reporting date: 02 Feb 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19731

PRIMARY DOCUMENT

Filing date: 29 Nov 2016
Reporting date: 22 Nov 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19731

PRIMARY DOCUMENT

Filing date: 26 Aug 2016
Reporting date: 24 Aug 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19731

PRIMARY DOCUMENT

Filing date: 18 Feb 2016
Reporting date: 16 Feb 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19731

FORM 4 -

Filing date: 03 Feb 2016
Reporting date: 01 Feb 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19731

FORM 4 -

Filing date: 17 Dec 2015
Reporting date: 15 Dec 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19731

FORM 4 -

Filing date: 18 Nov 2015
Reporting date: 16 Nov 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19731

FORM 4 -

Filing date: 13 Nov 2015
Reporting date: 03 Nov 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19731

FORM 4 -

Filing date: 16 Oct 2015
Reporting date: 15 Oct 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19731

4

Filing date: 17 Sep 2015
Reporting date: 15 Sep 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19731

FORM 4 -

Filing date: 18 Aug 2015
Reporting date: 17 Aug 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19731

FORM 4 -

Filing date: 17 Jul 2015
Reporting date: 15 Jul 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19731

FORM 4 -

Filing date: 17 Jun 2015
Reporting date: 15 Jun 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19731

FORM 4 -

Filing date: 19 May 2015
Reporting date: 15 May 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19731

FORM 4 -

Filing date: 17 Apr 2015
Reporting date: 15 Apr 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19731

FORM 4 -

Filing date: 18 Mar 2015
Reporting date: 16 Mar 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19731

FORM 4 -

Filing date: 19 Feb 2015
Reporting date: 17 Feb 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19731

FORM 4 -

Filing date: 19 Feb 2015
Reporting date: 13 Feb 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19731

FORM 4 -

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

4 File 000-19731

FORM 4 -

Filing date: 20 Jan 2015
Reporting date: 15 Jan 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19731

FORM 4 -

Filing date: 15 Aug 2014
Reporting date: 06 Aug 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19731

FORM 4 -

Filing date: 18 Jun 2014
Reporting date: 16 Jun 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19731

FORM 4 -

Filing date: 16 May 2014
Reporting date: 14 May 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19731

FORM 4 -

Filing date: 16 Apr 2014
Reporting date: 14 Apr 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19731

FORM 4 -

Filing date: 18 Mar 2014
Reporting date: 14 Mar 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19731

FORM 4 -

Filing date: 10 Mar 2014
Reporting date: 14 Feb 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19731

FORM 4 -

Filing date: 19 Feb 2014
Reporting date: 14 Feb 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19731

FORM 4 -

Filing date: 04 Feb 2014
Reporting date: 01 Feb 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19731

FORM 4 -

Filing date: 27 Jan 2014
Reporting date: 23 Jan 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

5 File 000-19731

FORM 5 -

Filing date: 24 Jan 2014
Reporting date: 31 Dec 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19731

FORM 4 -

Filing date: 16 Jan 2014
Reporting date: 14 Jan 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19731

FORM 4 -

Filing date: 18 Dec 2013
Reporting date: 16 Dec 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19731

FORM 4 -

Filing date: 18 Nov 2013
Reporting date: 14 Nov 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19731

FORM 4 -

Filing date: 22 Oct 2013
Reporting date: 09 Apr 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19731

FORM 4 -

Filing date: 16 Oct 2013
Reporting date: 14 Oct 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19731

FORM 4 -

Filing date: 18 Sep 2013
Reporting date: 16 Sep 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19731

FORM 4 -

Filing date: 16 Aug 2013
Reporting date: 14 Aug 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19731

FORM 4 -

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

4 File 000-19731

FORM 4 -

Filing date: 08 Mar 2013
Reporting date: 06 Mar 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19731

FORM 4 -

Filing date: 05 Feb 2013
Reporting date: 01 Feb 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19731

FORM 4 -

Filing date: 20 Dec 2012
Reporting date: 27 Nov 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19731

FORM 4 -

Filing date: 03 Jul 2012
Reporting date: 29 Jun 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19731

FORM 4 -

Filing date: 14 Mar 2012
Reporting date: 12 Mar 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19731

FORM 4 -

Filing date: 30 Jan 2012
Reporting date: 26 Jan 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19731

FORM 4 -

Filing date: 20 Dec 2011
Reporting date: 30 Jun 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4/A File 000-19731

FORM 4/A -

Filing date: 06 Apr 2011
Reporting date: 15 Mar 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19731

FORM 4 -

Filing date: 17 Mar 2011
Reporting date: 15 Mar 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19731

FORM 4 -

Filing date: 24 Jan 2011
Reporting date: 20 Jan 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19731

FORM 4 -

Filing date: 24 Nov 2010
Reporting date: 08 Nov 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19731

FORM 4 -

Filing date: 10 Mar 2010
Reporting date: 08 Mar 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19731

FORM 4 -

Filing date: 26 Feb 2010
Reporting date: 24 Feb 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-19731

FORM 4 -

Filing date: 01 Feb 2010
Reporting date: 28 Jan 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

About this filer

Norbert W. Bischofberger files with the SEC under CIK 0001190273. 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.