A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.

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New filings appear as the SEC updates EDGAR, and older records can vary by availability.

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Updates follow new EDGAR submissions and periodic data refreshes.

Filer Snapshot

David Leslie Szekeres

CIK 0001602459. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.

Entity Type

Individual

Total Filings

Latest Filing

16 Mar 2026

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 CNTB. Each card links back to the PortfolioSavvy page where the filing evidence is closest.

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Latest 13F portfolio

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13D/G large stake

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Insider / owner context

CNTB

16 Mar 2026 · $571.7K

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Source: SEC Forms 3/4/5

3 filed on 16 Mar 2026 for CIK 0001602459.

View Source Filing

Business address: C/O Regulus Therapeutics Inc., 3545 John Hopkins Court, Suite 210, San Diego, CA, 92121
Filing-backed coverage: Insider holdings value
$730.1K
Parsed Forms 3/4/5 holdings where value can be estimated.
Top ownership positions: CNTB HRTX GRI

Filer intelligence

What SEC filings say about David Leslie Szekeres

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

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Quick read

Forms 3/4/5 show insider context for CNTB worth $571.7K.

SEC source mix

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

XML parsed

13F portfolio No rows yet

Quarterly institutional portfolio holdings.

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13D/G stakes No rows yet

Beneficial ownership and large-stake disclosures.

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Forms 3/4/5 3 rows

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

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Forms 3/4/5 insider context

CNTB

16 Mar 2026 · President

$571.7K

Issuer page Owner page

HRTX

13 Jul 2023 · EVP, Chief Operating Officer

$122.8K

Issuer page Owner page

GRI

18 Sep 2025

$35.6K

Issuer page Owner page

Latest update

What changed recently for David Leslie Szekeres

Ownership report updated

Latest ownership report period: 16 Mar 2026. Open the source-backed page to inspect the fresh filing or facts context.

Update date

16 Mar 2026

Page type

Ownership filings

Latest period

16 Mar 2026

Ownership context was refreshed from SEC Forms 3/4/5 filed on 16 Mar 2026.

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SEC filing record

CIK 0001602459 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

First seen

13 Mar 2014

Latest filing

16 Mar 2026

Entity

Individual

Observed form types

3 4

Primary evidence

Open SEC filing index David Leslie Szekeres SEC filings David Leslie Szekeres owner filings

Latest Filings

Showing the latest 12 of 25 SEC filings for David Leslie Szekeres.

Open full filing history

3 File 001-40212

FORM 3

Filing date: 16 Mar 2026
Reporting date: 16 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-40034

FORM 4

Filing date: 22 Sep 2025
Reporting date: 18 Sep 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-40034

FORM 4

Filing date: 27 Aug 2025
Reporting date: 26 Aug 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-40034

FORM 4

Filing date: 14 Aug 2025
Reporting date: 13 Aug 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-40034

FORM 4

Filing date: 24 Jan 2025
Reporting date: 23 Jan 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-40034

FORM 4

Filing date: 14 Aug 2023
Reporting date: 10 Aug 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33221

FORM 4 SUBMISSION

Filing date: 17 Jul 2023
Reporting date: 13 Jul 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-40034

FORM 3

Filing date: 24 Apr 2023
Reporting date: 21 Apr 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33221

FORM 4 SUBMISSION

Filing date: 17 Apr 2023
Reporting date: 13 Apr 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33221

FORM 4 SUBMISSION

Filing date: 20 Jan 2023
Reporting date: 18 Jan 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33221

FORM 4 SUBMISSION

Filing date: 17 Jan 2023
Reporting date: 13 Jan 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33221

FORM 4 SUBMISSION

Filing date: 17 Oct 2022
Reporting date: 13 Oct 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

David Leslie Szekeres

Start with the SEC data that changes for this CIK

What SEC filings say about David Leslie Szekeres

Quick read

SEC source mix

Forms 3/4/5 insider context

What changed recently for David Leslie Szekeres

CIK 0001602459 filing coverage

Latest Filings

FORM 3

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4 SUBMISSION

FORM 3

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

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