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

Jeffrey C. Blockinger

CIK 0001417381. 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

01 Jul 2025

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 ONCH. 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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Largest parsed holding

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13D/G large stake

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

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Insider / owner context

ONCH

01 Jul 2025

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Source: SEC Forms 3/4/5

3 filed on 01 Jul 2025 for CIK 0001417381.

View source filing

Business address: 9 West 57 Th Street 13 Th Floor, New York, NY, 10019

Filer intelligence

What SEC filings say about Jeffrey C. Blockinger

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 ONCH.

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 1 rows

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

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Forms 3/4/5 insider context

ONCH

01 Jul 2025

Issuer page Owner page

Latest update

What changed recently for Jeffrey C. Blockinger

Ownership report updated

Latest ownership report period: 01 Jul 2025. Open the source-backed page to inspect the fresh filing or facts context.

Update date

01 Jul 2025

Page type

Ownership filings

Latest period

01 Jul 2025

Ownership context was refreshed from SEC Forms 3/4/5 filed on 01 Jul 2025.

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SEC filing record

CIK 0001417381 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 Nov 2007

Latest filing

01 Jul 2025

Entity

Individual

Observed form types

3 5 4

CIK-linked evidence first

Jeffrey C. Blockinger SEC filings Jeffrey C. Blockinger owner filings Open SEC filing index

Latest Filings

Showing the latest 12 of 20 SEC filings for Jeffrey C. Blockinger.

Open full filing history

3 File 001-42731

3 filing

Filing date: 01 Jul 2025
Reporting date: 01 Jul 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

5 File 001-33805

FORM 5

Filing date: 14 Feb 2014
Reporting date: 31 Dec 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33805

FORM 4

Filing date: 26 Jul 2013
Reporting date: 24 Jul 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33805

FORM 4

Filing date: 12 Apr 2013
Reporting date: 10 Apr 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33805

FORM 4

Filing date: 19 Nov 2012
Reporting date: 15 Nov 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33805

FORM 4

Filing date: 04 Jan 2012
Reporting date: 03 Jan 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33805

FORM 4

Filing date: 19 Dec 2011
Reporting date: 19 Dec 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33805

FORM 4

Filing date: 14 Dec 2011
Reporting date: 13 Dec 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33805

FORM 4

Filing date: 30 Nov 2011
Reporting date: 28 Nov 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33805

FORM 4

Filing date: 22 Nov 2011
Reporting date: 19 Nov 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33805

FORM 4

Filing date: 24 Aug 2011
Reporting date: 22 Aug 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33805

FORM 4

Filing date: 24 Jun 2011
Reporting date: 23 Jun 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

Jeffrey C. Blockinger

Start with the SEC data that changes for this CIK

What SEC filings say about Jeffrey C. Blockinger

Quick read

SEC source mix

Forms 3/4/5 insider context

What changed recently for Jeffrey C. Blockinger

CIK 0001417381 filing coverage

Latest Filings

3 filing

FORM 5

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

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