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

Karen Walker SEC EDGAR Filings

SEC filings, ownership reports, and insider transactions for CIK 0001642519.

Entity Type

Individual

Total Filings

Latest Filing

15 Jul 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 15 Jul 2025 for CIK 0001642519.

View Source Filing

Business address: 170 West Tasman Drive, San Jose, CA, 95134
Top holdings (ownership): LLY and SPT

Quick Takeaways

Karen Walker is an SEC filer tracked under CIK 0001642519.
76 filings are listed on this profile.
Common form coverage includes 4, 144, 3 and more.

What Changed

Latest filing: 4 filed on 15 Jul 2025.
Report period: 14 Jul 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 15 Jul 2025 for CIK 0001642519.

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 Karen Walker.

Latest source-backed update: 4 filed 15 Jul 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 15 Jul 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 Karen Walker

Ownership report updated

Latest ownership report period: 14 Jul 2025. Open the source-backed page to inspect the fresh filing or facts context.

Update date

15 Jul 2025

Page type

Ownership filings

Latest period

14 Jul 2025

Ownership context was refreshed from SEC Forms 3/4/5 filed on 15 Jul 2025.

Open ownership filings Browse recent public updates

Filer Overview

Karen Walker has filed 76 SEC EDGAR filings since 15 May 2015. Common forms include 4, 144, 3, 4/A.

Reporting owner transactions Latest 13F filings

Latest Filings

Recent SEC filings for Karen Walker with direct links to document and filing folders.

4 File 001-39156

FORM 4

Filing date: 15 Jul 2025
Reporting date: 14 Jul 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 14 Jul 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-39156

FORM 4

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

4 File 001-39156

FORM 4

Filing date: 15 Apr 2025
Reporting date: 14 Apr 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 14 Apr 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-39156

FORM 4

Filing date: 14 Jan 2025
Reporting date: 13 Jan 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-39156

FORM 4

Filing date: 16 Dec 2024
Reporting date: 13 Dec 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 13 Dec 2024
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-06351

FORM 4

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

4 File 001-39156

FORM 4

Filing date: 08 Aug 2024
Reporting date: 07 Aug 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 07 Aug 2024
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-39156

FORM 4

Filing date: 23 May 2024
Reporting date: 22 May 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-39156

FORM 4

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

144

144 filing

Filing date: 04 Mar 2024
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-06351

FORM 4

Filing date: 21 Nov 2023
Reporting date: 20 Nov 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-39156

FORM 4

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

144

144 filing

Filing date: 01 Sep 2023
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-39156

FORM 4

Filing date: 10 Aug 2023
Reporting date: 09 Aug 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-39156

FORM 4

Filing date: 24 May 2023
Reporting date: 22 May 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-39156

FORM 4

Filing date: 10 Mar 2023
Reporting date: 08 Mar 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-06351

FORM 4

Filing date: 22 Nov 2022
Reporting date: 21 Nov 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-39156

FORM 4

Filing date: 21 Nov 2022
Reporting date: 17 Nov 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-39156

PRIMARY DOCUMENT

Filing date: 31 Aug 2022
Reporting date: 29 Aug 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-39156

PRIMARY DOCUMENT

Filing date: 26 May 2022
Reporting date: 25 May 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-06351

FORM 4

Filing date: 17 Nov 2021
Reporting date: 15 Nov 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-39156

PRIMARY DOCUMENT

Filing date: 09 Nov 2021
Reporting date: 08 Nov 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-39156

PRIMARY DOCUMENT

Filing date: 07 Oct 2021
Reporting date: 05 Oct 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-39156

PRIMARY DOCUMENT

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

4 File 001-06351

FORM 4

Filing date: 18 Nov 2020
Reporting date: 16 Nov 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-39156

PRIMARY DOCUMENT

Filing date: 18 Jun 2020
Reporting date: 16 Jun 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-39156

PRIMARY DOCUMENT

Filing date: 29 May 2020
Reporting date: 27 May 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-39156

PRIMARY DOCUMENT

Filing date: 18 May 2020
Reporting date: 16 May 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-39156

PRIMARY DOCUMENT

Filing date: 17 Apr 2020
Reporting date: 16 Apr 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-39156

PRIMARY DOCUMENT

Filing date: 17 Mar 2020
Reporting date: 16 Mar 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-39156

PRIMARY DOCUMENT

Filing date: 18 Feb 2020
Reporting date: 16 Feb 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-39156

PRIMARY DOCUMENT

Filing date: 17 Jan 2020
Reporting date: 16 Jan 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-39156

FORM 4

Filing date: 18 Dec 2019
Reporting date: 16 Dec 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-06351

FORM 4

Filing date: 18 Dec 2019
Reporting date: 16 Dec 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-39156

FORM 3

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

4 File 001-06351

FORM 4

Filing date: 20 Nov 2019
Reporting date: 18 Nov 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4/A File 001-06351

FORM 4/A

Filing date: 20 Nov 2019
Reporting date: 21 Oct 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-06351

FORM 4

Filing date: 22 Oct 2019
Reporting date: 21 Oct 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-06351

FORM 4

Filing date: 17 Sep 2019
Reporting date: 16 Sep 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-06351

FORM 4

Filing date: 21 Aug 2019
Reporting date: 19 Aug 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-06351

FORM 4

Filing date: 16 Jul 2019
Reporting date: 15 Jul 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-06351

FORM 4

Filing date: 18 Jun 2019
Reporting date: 17 Jun 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-06351

FORM 4

Filing date: 22 May 2019
Reporting date: 20 May 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-06351

FORM 4

Filing date: 17 Apr 2019
Reporting date: 15 Apr 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-06351

FORM 4

Filing date: 20 Mar 2019
Reporting date: 18 Mar 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-06351

FORM 4

Filing date: 20 Feb 2019
Reporting date: 19 Feb 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-06351

FORM 4

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

4 File 001-06351

FORM 4

Filing date: 19 Dec 2018
Reporting date: 17 Dec 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-06351

FORM 3

Filing date: 04 Dec 2018
Reporting date: 01 Dec 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-18225

FORM 4

Filing date: 27 Nov 2017
Reporting date: 22 Nov 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-18225

FORM 4

Filing date: 22 Nov 2017
Reporting date: 20 Nov 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-18225

FORM 4

Filing date: 22 Sep 2017
Reporting date: 20 Sep 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-18225

FORM 4

Filing date: 13 Sep 2017
Reporting date: 11 Sep 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-18225

FORM 4

Filing date: 13 Jun 2017
Reporting date: 11 Jun 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-18225

FORM 4

Filing date: 23 Dec 2016
Reporting date: 23 Dec 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-18225

FORM 4

Filing date: 15 Nov 2016
Reporting date: 13 Nov 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-18225

FORM 4

Filing date: 23 Sep 2016
Reporting date: 21 Sep 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-18225

FORM 4

Filing date: 22 Sep 2016
Reporting date: 20 Sep 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-18225

FORM 4

Filing date: 16 Sep 2016
Reporting date: 14 Sep 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-18225

FORM 4

Filing date: 13 Sep 2016
Reporting date: 11 Sep 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-18225

FORM 4

Filing date: 16 Jun 2016
Reporting date: 15 Jun 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-18225

FORM 4

Filing date: 14 Jun 2016
Reporting date: 11 Jun 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-18225

FORM 4

Filing date: 17 Mar 2016
Reporting date: 16 Mar 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-18225

FORM 4

Filing date: 15 Mar 2016
Reporting date: 12 Mar 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-18225

FORM 4

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

4 File 000-18225

FORM 4

Filing date: 16 Nov 2015
Reporting date: 13 Nov 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-18225

FORM 4

Filing date: 15 Sep 2015
Reporting date: 11 Sep 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-18225

FORM 4

Filing date: 11 Sep 2015
Reporting date: 09 Sep 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-18225

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 000-18225

FORM 4

Filing date: 19 Jun 2015
Reporting date: 18 Jun 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-18225

FORM 4

Filing date: 15 Jun 2015
Reporting date: 11 Jun 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 000-18225

FORM 3

Filing date: 15 May 2015
Reporting date: 08 May 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

About this filer

Karen Walker files with the SEC under CIK 0001642519. 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.