Filer Snapshot

Catherine Stehman-Breen SEC EDGAR Filings

SEC filings, ownership reports, and insider transactions for CIK 0001702233.

Entity Type

Individual

Total Filings

24

Latest Filing

09 Feb 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 09 Feb 2026 for CIK 0001702233.

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Business address
C/O Generation Bio Co., 301 Binney Street, Cambridge, MA, 02142
Top holdings (ownership)
GBIO

Quick Takeaways

  • Catherine Stehman-Breen is an SEC filer tracked under CIK 0001702233.
  • 24 filings are listed on this profile.
  • Common form coverage includes 4, 3.

What Changed

  • Latest filing: 4 filed on 09 Feb 2026.
  • Report period: 09 Feb 2026.

Why This Matters

  • You can quote filing dates and form types directly from the SEC record on this page.
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Source Evidence

Source: SEC Forms 3/4/5

4 filed on 09 Feb 2026 for CIK 0001702233.

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 Catherine Stehman-Breen.

Latest source-backed update
4 filed 09 Feb 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 Feb 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 Catherine Stehman-Breen

Ownership report updated

Latest ownership report period: 09 Feb 2026. Open the source-backed page to inspect the fresh filing or facts context.

Update date

09 Feb 2026

Page type

Ownership filings

Latest period

09 Feb 2026

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

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Filer Overview

Catherine Stehman-Breen has filed 24 SEC EDGAR filings since 05 Apr 2017. Common forms include 4, 3.

Reporting owner transactions Latest 13F filings

Latest Filings

Recent SEC filings for Catherine Stehman-Breen with direct links to document and filing folders.

4 File 001-39319

OWNERSHIP DOCUMENT

Filing date
09 Feb 2026
Reporting date
09 Feb 2026
SEC evidence
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4 File 001-39319

4 filing

Filing date
06 Jun 2025
Reporting date
04 Jun 2025
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4 File 001-39509

4

Filing date
03 Jun 2025
Reporting date
30 May 2025
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4 File 001-40656

4

Filing date
30 May 2025
Reporting date
29 May 2025
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4 File 001-40656

4

Filing date
21 Oct 2024
Reporting date
18 Oct 2024
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4 File 001-39319

4 filing

Filing date
10 Jun 2024
Reporting date
06 Jun 2024
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4 File 001-39509

4

Filing date
24 May 2024
Reporting date
22 May 2024
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4 File 001-40656

FORM 4 SUBMISSION

Filing date
12 Jun 2023
Reporting date
09 Jun 2023
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4 File 001-39319

4 filing

Filing date
12 Jun 2023
Reporting date
08 Jun 2023
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4 File 001-39509

FORM 4 SUBMISSION

Filing date
25 May 2023
Reporting date
24 May 2023
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4 File 001-39509

FORM 4 SUBMISSION

Filing date
06 Jul 2022
Reporting date
05 Jul 2022
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4 File 001-40656

FORM 4 SUBMISSION

Filing date
13 Jun 2022
Reporting date
10 Jun 2022
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4 File 001-39319

4 filing

Filing date
13 Jun 2022
Reporting date
09 Jun 2022
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4 File 001-39509

FORM 4 SUBMISSION

Filing date
06 Jun 2022
Reporting date
03 Jun 2022
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3 File 001-40656

FORM 3 SUBMISSION

Filing date
29 Jul 2021
Reporting date
29 Jul 2021
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4 File 001-39319

4 filing

Filing date
11 Jun 2021
Reporting date
09 Jun 2021
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4 File 001-39509

FORM 4 SUBMISSION

Filing date
27 May 2021
Reporting date
26 May 2021
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4 File 001-39509

FORM 4 SUBMISSION

Filing date
23 Sep 2020
Reporting date
31 Jul 2020
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3 File 001-39509

FORM 3 SUBMISSION

Filing date
16 Sep 2020
Reporting date
16 Sep 2020
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4 File 001-39319

FORM 4 SUBMISSION

Filing date
18 Jun 2020
Reporting date
16 Jun 2020
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4 File 001-39319

FORM 4 SUBMISSION

Filing date
15 Jun 2020
Reporting date
11 Jun 2020
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3 File 001-39319

FORM 3 SUBMISSION

Filing date
11 Jun 2020
Reporting date
11 Jun 2020
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4 File 001-14895

FORM 4 SUBMISSION

Filing date
05 Apr 2017
Reporting date
03 Apr 2017
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3 File 001-14895

FORM 3 SUBMISSION

Filing date
05 Apr 2017
Reporting date
03 Apr 2017
SEC evidence
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About this filer

Catherine Stehman-Breen files with the SEC under CIK 0001702233. 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.
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