Filer Snapshot

Robert P. Ragusa SEC EDGAR Filings

SEC filings, ownership reports, and insider transactions for CIK 0001222644.

Entity Type

Individual

Total Filings

57

Latest Filing

09 Apr 2026

Industry

n/a

Save this filer page for the next filing cycle

Keep this page in your research queue, then return to compare new filings with prior context.

Save and revisit

Save this filer page

Create a free account to keep this page in your watchlists and return after a new SEC filing changes the record here.

Best next steps

Start with the latest filings table, then open the strongest context page for this filer.

  • Use the filings table to verify the newest submission, form type, and report period.
  • Open the deeper context page only when this filer actually has insider or ownership signal.
Source: SEC Forms 3/4/5

4 filed on 09 Apr 2026 for CIK 0001222644.

View Source Filing
Business address
1525 O'brien Drive, Menlo Park, CA, 94025
Top holdings (ownership)
GRAL and TWST

Quick Takeaways

  • Robert P. Ragusa is an SEC filer tracked under CIK 0001222644.
  • 57 filings are listed on this profile.
  • Common form coverage includes 4, 144, 4/A and more.

What Changed

  • Latest filing: 4 filed on 09 Apr 2026.
  • Report period: 08 Apr 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 09 Apr 2026 for CIK 0001222644.

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 Robert P. Ragusa.

Latest source-backed update
4 filed 09 Apr 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 09 Apr 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.

Latest update

What changed recently for Robert P. Ragusa

Ownership report updated

Latest ownership report period: 08 Apr 2026. Open the source-backed page to inspect the fresh filing or facts context.

Update date

09 Apr 2026

Page type

Ownership filings

Latest period

08 Apr 2026

Ownership context was refreshed from SEC Forms 3/4/5 filed on 09 Apr 2026.

Filer Overview

Robert P. Ragusa has filed 57 SEC EDGAR filings since 15 Jul 2003. Common forms include 4, 144, 4/A, 3.

Latest Filings

Recent SEC filings for Robert P. Ragusa with direct links to document and filing folders.

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open 4 document View SEC filing for 4 FORM 4 09 Apr 2026 08 Apr 2026 001-42045
144 Open 144 document View SEC filing for 144 06 Apr 2026
4 Open 4 document View SEC filing for 4 FORM 4 09 Mar 2026 05 Mar 2026 001-42045
144 Open 144 document View SEC filing for 144 05 Mar 2026
4 Open 4 document View SEC filing for 4 FORM 4 03 Mar 2026 02 Mar 2026 001-42045
144 Open 144 document View SEC filing for 144 02 Mar 2026
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 09 Feb 2026 05 Feb 2026 001-38720
4 Open 4 document View SEC filing for 4 FORM 4 05 Dec 2025 03 Dec 2025 001-42045
144 Open 144 document View SEC filing for 144 03 Dec 2025
4 Open 4 document View SEC filing for 4 FORM 4 16 Oct 2025 15 Oct 2025 001-42045
144 Open 144 document View SEC filing for 144 14 Oct 2025
4 Open 4 document View SEC filing for 4 FORM 4 05 May 2025 02 May 2025 001-42045
144 Open 144 document View SEC filing for 144 29 Apr 2025
4/A Open 4/A document View SEC filing for 4/A FORM 4/A 03 Apr 2025 11 Mar 2025 001-42045
4 Open 4 document View SEC filing for 4 FORM 4 12 Mar 2025 07 Mar 2025 001-42045
4 Open 4 document View SEC filing for 4 FORM 4 06 Mar 2025 05 Mar 2025 001-42045
144 Open 144 document View SEC filing for 144 03 Mar 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 07 Feb 2025 05 Feb 2025 001-38720
4 Open 4 document View SEC filing for 4 FORM 4 04 Feb 2025 03 Feb 2025 001-42045
4 Open 4 document View SEC filing for 4 FORM 4 17 Oct 2024 15 Oct 2024 001-42045
144 Open 144 document View SEC filing for 144 11 Oct 2024
4 Open 4 document View SEC filing for 4 FORM 4 07 Oct 2024 03 Oct 2024 001-42045
4 Open 4 document View SEC filing for 4 FORM 4 02 Jul 2024 28 Jun 2024 001-42045
3 Open 3 document View SEC filing for 3 03 Jun 2024 03 Jun 2024 001-42045
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 09 Feb 2024 06 Feb 2024 001-38720
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 09 Feb 2023 07 Feb 2023 001-38720
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 10 Feb 2022 08 Feb 2022 001-38720
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Mar 2021 03 Mar 2021 001-38720
4/A Open 4/A document View SEC filing for 4/A PRIMARY DOCUMENT 05 Mar 2021 04 Feb 2020 001-38720
4/A Open 4/A document View SEC filing for 4/A PRIMARY DOCUMENT 05 Mar 2021 23 Jul 2019 001-38720
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 18 Feb 2021 17 Feb 2021 001-35406
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 11 Feb 2021 09 Feb 2021 001-35406
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Feb 2021 03 Feb 2021 001-38720
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Dec 2020 30 Nov 2020 001-35406
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 09 Nov 2020 05 Nov 2020 001-35406
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Sep 2020 31 Aug 2020 001-35406
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 Jun 2020 15 Jun 2020 001-35406
4/A Open 4/A document View SEC filing for 4/A PRIMARY DOCUMENT 28 Feb 2020 04 Feb 2020 001-38720
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 13 Feb 2020 11 Feb 2020 001-35406
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 07 Feb 2020 05 Feb 2020 001-35406
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 06 Feb 2020 04 Feb 2020 001-38720
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Feb 2020 03 Feb 2020 001-35406
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 07 Nov 2019 05 Nov 2019 001-35406
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Nov 2019 01 Nov 2019 001-35406
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 09 Oct 2019 23 Jul 2019 001-38720
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 12 Aug 2019 08 Aug 2019 001-35406
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 14 Feb 2019 12 Feb 2019 001-35406
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 08 Jan 2019 01 Jan 2019 001-35406
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 06 Nov 2018 02 Nov 2018 001-38720
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 30 Oct 2018 30 Oct 2018 001-38720
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 Nov 2013 31 Oct 2013 001-33301
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Jun 2013 31 May 2013 001-33301
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 May 2013 30 Apr 2013 001-33301
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Apr 2013 28 Mar 2013 001-33301
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 10 Jan 2013 01 Jan 2013 001-33301

About this filer

Robert P. Ragusa files with the SEC under CIK 0001222644. 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.