Filer Snapshot

Douglas Kerr

CIK 0001814189. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.

Entity Type

Individual

Total Filings

32

Latest Filing

14 May 2026

Industry

n/a

Follow future filing-backed changes

Save this filer to return when a new filing changes the portfolio, large-stake, insider, or company context.

Save and revisit

Save this filer page

Create a free account to keep this page in your watchlists. After verification, we will save it automatically and open your saved research list.

Create free account and save this filer Already have an account? Sign in and save it

Best next click

Start with the summary below, then verify the strongest source-backed page for this filer.

  • Open 13F if you want portfolio holdings.
  • Open 13D/G or insider pages only when this CIK has those rows.
Open reporting owner context
Source: SEC Forms 3/4/5

4 filed on 14 May 2026 for CIK 0001814189.

View Source Filing
Business address
C/O Generation Bio Co., 301 Binney Street, Suite 401, Cambridge, MA, 02142
Top holdings (ownership)
DYN and GBIO

Filer intelligence

What SEC filings say about Douglas Kerr

A compact read of parsed XML filings. 13F, 13D/G, and Forms 3/4/5 are shown separately because they answer different ownership questions.

Save filer

Quick read

  • Forms 3/4/5 show insider context for DYN worth $3.12M.

SEC source mix

Counts show available parsed rows, not one combined ownership total.

XML parsed
13F portfolio No rows yet

Quarterly institutional portfolio holdings.

Open
13D/G stakes No rows yet

Beneficial ownership and large-stake disclosures.

Open
Forms 3/4/5 2 rows

Officer, director, and 10% owner holdings or transactions.

Open

Forms 3/4/5 insider context

DYN

13 May 2026 · Chief Medical Officer

$3.12M
Issuer page Owner page

GBIO

29 Jan 2024 · CHIEF MEDICAL OFFICER

$732.7K
Issuer page Owner page

Latest update

What changed recently for Douglas Kerr

Ownership report updated

Latest ownership report period: 13 May 2026. Open the source-backed page to inspect the fresh filing or facts context.

Update date

14 May 2026

Page type

Ownership filings

Latest period

13 May 2026

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

Open ownership filings Browse recent public updates

Filer Overview

Douglas Kerr has filed 32 SEC EDGAR filings since 11 Jun 2020. Common forms include 4, 144, 3.

Douglas Kerr SEC filings Douglas Kerr owner filings

Latest Filings

Recent SEC filings for Douglas Kerr with direct links to document and filing folders.

4 File 001-39509

4

Filing date
14 May 2026
Reporting date
13 May 2026
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-39509

4

Filing date
06 Mar 2026
Reporting date
05 Mar 2026
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-39509

4

Filing date
17 Feb 2026
Reporting date
12 Feb 2026
SEC evidence
Open document Open filing
Next action
Verify source filing
144

144 filing

Filing date
05 Dec 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-39509

4

Filing date
05 Dec 2025
Reporting date
05 Dec 2025
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-39509

4

Filing date
08 Sep 2025
Reporting date
04 Sep 2025
SEC evidence
Open document Open filing
Next action
Verify source filing
144

144 filing

Filing date
04 Sep 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-39509

4

Filing date
18 Jul 2025
Reporting date
16 Jul 2025
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-39509

4

Filing date
06 Jun 2025
Reporting date
05 Jun 2025
SEC evidence
Open document Open filing
Next action
Verify source filing
144

144 filing

Filing date
05 Jun 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-39509

4

Filing date
07 Mar 2025
Reporting date
05 Mar 2025
SEC evidence
Open document Open filing
Next action
Verify source filing
144

144 filing

Filing date
05 Mar 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-39509

4

Filing date
06 Dec 2024
Reporting date
04 Dec 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-39509

4

Filing date
03 Sep 2024
Reporting date
03 Sep 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
3 File 001-39509

3

Filing date
03 Sep 2024
Reporting date
03 Sep 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-39319

4 filing

Filing date
31 Jan 2024
Reporting date
29 Jan 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-39319

4 filing

Filing date
17 Jan 2024
Reporting date
15 Jan 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-39319

4 filing

Filing date
17 Oct 2023
Reporting date
15 Oct 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-39319

4 filing

Filing date
18 Jul 2023
Reporting date
15 Jul 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-39319

4 filing

Filing date
18 Apr 2023
Reporting date
15 Apr 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-39319

4 filing

Filing date
24 Jan 2023
Reporting date
20 Jan 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-39319

4 filing

Filing date
18 Jan 2023
Reporting date
15 Jan 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-39319

4 filing

Filing date
18 Oct 2022
Reporting date
15 Oct 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-39319

4 filing

Filing date
19 Jul 2022
Reporting date
15 Jul 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-39319

4 filing

Filing date
25 Jan 2022
Reporting date
21 Jan 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-39319

4 filing

Filing date
12 Jul 2021
Reporting date
08 Jul 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-39319

4 filing

Filing date
07 Apr 2021
Reporting date
05 Apr 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-39319

4 filing

Filing date
09 Mar 2021
Reporting date
05 Mar 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-39319

4 filing

Filing date
10 Feb 2021
Reporting date
02 Feb 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-39319

4 filing

Filing date
05 Feb 2021
Reporting date
22 Jan 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-39319

4 filing

Filing date
13 Jan 2021
Reporting date
11 Jan 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
3 File 001-39319

FORM 3 SUBMISSION

Filing date
11 Jun 2020
Reporting date
11 Jun 2020
SEC evidence
Open document Open filing
Next action
Verify source filing

About this filer

Douglas Kerr files with the SEC under CIK 0001814189. 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.
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Here you can make detailed settings or revoke your consent (in part if necessary) with effect for the future. For further information, please refer to our Privacy Policy .