Filer Snapshot

Peter Feinberg SEC EDGAR Filings

SEC filings, ownership reports, and insider transactions for CIK 0001870076.

Entity Type

Individual

Total Filings

23

Latest Filing

14 Jan 2026

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 14 Jan 2026 for CIK 0001870076.

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Business address
C/O Immuneering Corporation, 245 Main Street, Second Floor, Cambridge, MA, 02142
Top holdings (ownership)
IMRX

Quick Takeaways

  • Peter Feinberg is an SEC filer tracked under CIK 0001870076.
  • 23 filings are listed on this profile.
  • Common form coverage includes 4, 3, 3/A.

What Changed

  • Latest filing: 4 filed on 14 Jan 2026.
  • Report period: 12 Jan 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 14 Jan 2026 for CIK 0001870076.

View Source Filing

Return Loop

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A newly filed 4 can change the filing history, ownership context, or next research path for Peter Feinberg.

Latest source-backed update
4 filed 14 Jan 2026
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Revisit after a new SEC filing appears to compare the updated record with prior filings.
  • Latest filing on record: 4 filed 14 Jan 2026.
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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 Peter Feinberg

Ownership report updated

Latest ownership report period: 12 Jan 2026. Open the source-backed page to inspect the fresh filing or facts context.

Update date

14 Jan 2026

Page type

Ownership filings

Latest period

12 Jan 2026

Ownership context was refreshed from SEC Forms 3/4/5 filed on 14 Jan 2026.

Open ownership filings Browse recent public updates

Filer Overview

Peter Feinberg has filed 23 SEC EDGAR filings since 29 Jul 2021. Common forms include 4, 3, 3/A.

Reporting owner transactions Latest 13F filings

Latest Filings

Recent SEC filings for Peter Feinberg 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 14 Jan 2026 12 Jan 2026 001-40675
4 Open 4 document View SEC filing for 4 FORM 4 02 Jan 2026 01 Jan 2026 001-40675
4 Open 4 document View SEC filing for 4 FORM 4 07 Oct 2025 03 Oct 2025 001-40675
4 Open 4 document View SEC filing for 4 FORM 4 01 Oct 2025 30 Sep 2025 001-40675
4 Open 4 document View SEC filing for 4 FORM 4 30 Sep 2025 29 Sep 2025 001-40675
4 Open 4 document View SEC filing for 4 FORM 4 23 Jun 2025 18 Jun 2025 001-40675
4 Open 4 document View SEC filing for 4 FORM 4 16 Jun 2025 13 Jun 2025 001-40675
4 Open 4 document View SEC filing for 4 FORM 4 02 Jan 2025 01 Jan 2025 001-40675
4 Open 4 document View SEC filing for 4 FORM 4 13 Jun 2024 12 Jun 2024 001-40675
4 Open 4 document View SEC filing for 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 10 May 2024 08 May 2024 001-36581
4 Open 4 document View SEC filing for 4 FORM 4 25 Mar 2024 22 Mar 2024 001-40675
4 Open 4 document View SEC filing for 4 FORM 4 19 Mar 2024 18 Mar 2024 001-40675
4 Open 4 document View SEC filing for 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 26 Jan 2024 24 Jan 2024 001-36581
4 Open 4 document View SEC filing for 4 FORM 4 02 Jan 2024 01 Jan 2024 001-40675
3 Open 3 document View SEC filing for 3 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES 18 Oct 2023 16 Oct 2023 001-36581
4 Open 4 document View SEC filing for 4 FORM 4 15 Jun 2023 14 Jun 2023 001-40675
4 Open 4 document View SEC filing for 4 23 Jun 2022 21 Jun 2022 001-40675
4 Open 4 document View SEC filing for 4 16 Mar 2022 15 Mar 2022 001-40675
4 Open 4 document View SEC filing for 4 21 Sep 2021 20 Sep 2021 001-40675
4 Open 4 document View SEC filing for 4 15 Sep 2021 13 Sep 2021 001-40675
3/A Open 3/A document View SEC filing for 3/A OWNERSHIP DOCUMENT 13 Sep 2021 29 Jul 2021 001-40675
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 04 Aug 2021 03 Aug 2021 001-40675
3 Open 3 document View SEC filing for 3 OWNERSHIP DOCUMENT 29 Jul 2021 29 Jul 2021 001-40675

About this filer

Peter Feinberg files with the SEC under CIK 0001870076. 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.