Filer Snapshot

Bradley Sitko SEC EDGAR Filings

SEC filings, ownership reports, and insider transactions for CIK 0001959809.

Entity Type

Individual

Total Filings

16

Latest Filing

13 Mar 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.

Create free account to save and revisit this page

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.
Go to latest filings table Open reporting owner context
Source: SEC Forms 3/4/5

4 filed on 13 Mar 2026 for CIK 0001959809.

View Source Filing
Business address
C/O Xoma Corporation, 2200 Powell Street, Suite 310, Emeryville, CA, 94608
Top holdings (ownership)
XOMA

Quick Takeaways

  • Bradley Sitko is an SEC filer tracked under CIK 0001959809.
  • 16 filings are listed on this profile.
  • Common form coverage includes 4, 3.

What Changed

  • Latest filing: 4 filed on 13 Mar 2026.
  • Report period: 11 Mar 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 13 Mar 2026 for CIK 0001959809.

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 Bradley Sitko.

Latest source-backed update
4 filed 13 Mar 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 13 Mar 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.

Jump to save and follow actions Open latest filings table

Latest update

What changed recently for Bradley Sitko

Ownership report updated

Latest ownership report period: 11 Mar 2026. Open the source-backed page to inspect the fresh filing or facts context.

Update date

13 Mar 2026

Page type

Ownership filings

Latest period

11 Mar 2026

Ownership context was refreshed from SEC Forms 3/4/5 filed on 13 Mar 2026.

Open ownership filings Browse recent public updates

Filer Overview

Bradley Sitko has filed 16 SEC EDGAR filings since 05 Jan 2023. Common forms include 4, 3.

Reporting owner transactions Latest 13F filings

Latest Filings

Recent SEC filings for Bradley Sitko 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 PRIMARY DOCUMENT 13 Mar 2026 11 Mar 2026 001-39801
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 23 Sep 2025 19 Sep 2025 001-39801
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Jul 2025 30 Jun 2025 001-39801
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 09 Apr 2025 07 Apr 2025 001-39801
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Apr 2025 31 Mar 2025 001-39801
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 25 Mar 2025 21 Mar 2025 001-39801
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 10 Jan 2025 08 Jan 2025 001-39801
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Jan 2025 31 Dec 2024 001-39801
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Oct 2023 02 Oct 2023 001-39801
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Jun 2023 31 May 2023 001-39801
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 25 May 2023 23 May 2023 001-39801
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 22 May 2023 18 May 2023 001-39801
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 May 2023 16 May 2023 001-39801
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 16 May 2023 12 May 2023 001-39801
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 06 Jan 2023 03 Jan 2023 001-39801
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 05 Jan 2023 03 Jan 2023 001-39801

About this filer

Bradley Sitko files with the SEC under CIK 0001959809. 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.