Filer Snapshot

Ralf Kuriyel

CIK 0001733143. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.

Entity type

Individual

Total filings

13

Latest filing

16 May 2023

Industry

n/a

Filing-backed research brief

Start with the SEC data that changes for this CIK

Latest signal: Forms 3/4/5 owner position for RGEN. Each card links back to the PortfolioSavvy page where the filing evidence is closest.

Open owner activity Save page

Largest parsed holding

—

Populates from the latest parsed 13F information table.

Open holding

13D/G large stake

—

No recent parsed 13D/G stake row for this CIK.

Browse 13D/G

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
Source: SEC Forms 3/4/5

4 filed on 16 May 2023 for CIK 0001733143.

View source filing
Ownership signals CIK-linked ownership evidence from parsed SEC filings. 1 signal
Ownership signals

Filing family value snapshot

Compare filing families separately; 13F, 13D/G, and Forms 3/4/5 are different evidence sources.

Forms 3/4/5 positions$2.75M

Reporting-owner positions with enough data to estimate value.

Estimated Forms 3/4/5 ownership value

$2.75M

Estimated only when reporting-owner filings include enough share and price data.

Largest linked issuer positions

Largest issuer positions linked to this CIK across parsed 13F, 13D/G, and Forms 3/4/5 data.

RGEN
How to read this ownership snapshot
  • Read each filing family separately: 13F portfolios, 13D/G large stakes, and Forms 3/4/5 owner positions answer different questions.
  • Open the linked research paths to verify the exact SEC filing behind a value.
Identity Who this page is about. 1 identity field
Business address
41 Seyon St, Bldg 1, Ste. 100, Waltham, MA, 02452

Filer intelligence

What SEC filings say about Ralf Kuriyel

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 RGEN worth $2.75M.

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 1 rows

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

Open

Forms 3/4/5 insider context

RGEN

05 Mar 2026 · Senior VP, R&D

$2.75M
Issuer page Owner page

Latest update

What changed recently for Ralf Kuriyel

Ownership report updated

Latest ownership report period: 05 Mar 2026. Open the source-backed page to inspect the fresh filing or facts context.

Update date

23 Mar 2026

Page type

Ownership filings

Latest period

05 Mar 2026

Ownership context was refreshed from SEC Forms 3/4/5 filed on 23 Mar 2026.

Open ownership filings Browse recent public updates

SEC filing record

CIK 0001733143 filing coverage

Start with this filing record, then use the linked ownership pages when parsed 13F, 13D/G, Forms 3/4/5, or facts data exists for this CIK.

SEC filings
13
First seen
18 May 2021
Latest filing
16 May 2023
Entity
Individual

Observed form types

4

CIK-linked evidence first

Ralf Kuriyel SEC filings Ralf Kuriyel owner filings Open SEC filing index

Latest Filings

Showing the latest 12 of 13 SEC filings for Ralf Kuriyel.

Open full filing history
4

4 filing

Filing date
16 May 2023
Reporting date
16 May 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
06 Mar 2023
Reporting date
02 Mar 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
01 Mar 2023
Reporting date
28 Feb 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
28 Feb 2023
Reporting date
28 Feb 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
12 Aug 2022
Reporting date
11 Aug 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
17 May 2022
Reporting date
13 May 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
02 Mar 2022
Reporting date
27 Feb 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
28 Feb 2022
Reporting date
24 Feb 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
22 Feb 2022
Reporting date
17 Feb 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
15 Dec 2021
Reporting date
14 Dec 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
02 Sep 2021
Reporting date
30 Aug 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
14 Jun 2021
Reporting date
10 Jun 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
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. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .