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

Elizabeth Stoner

CIK 0001415739. 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

19 May 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 IBIO. 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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Insider / owner context

IBIO

18 May 2026

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Source: SEC Forms 3/4/5

4 filed on 19 May 2026 for CIK 0001415739.

View source filing

Business address: C/O Momenta Pharmaceuticals, Inc., 675 West Kendall Street, Cambridge, MA, 02142

Filer intelligence

What SEC filings say about Elizabeth Stoner

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 IBIO.

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

IBIO

18 May 2026

Issuer page Owner page

Latest update

What changed recently for Elizabeth Stoner

Ownership report updated

Latest ownership report period: 18 May 2026. Open the source-backed page to inspect the fresh filing or facts context.

Update date

19 May 2026

Page type

Ownership filings

Latest period

18 May 2026

Ownership context was refreshed from SEC Forms 3/4/5 filed on 19 May 2026.

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SEC filing record

CIK 0001415739 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

08 Nov 2007

Latest filing

19 May 2026

Entity

Individual

Observed form types

4 3

CIK-linked evidence first

Elizabeth Stoner SEC filings Elizabeth Stoner owner filings Open SEC filing index

Latest Filings

Showing the latest 12 of 35 SEC filings for Elizabeth Stoner.

Open full filing history

4 File 001-35023

OWNERSHIP DOCUMENT

Filing date: 19 May 2026
Reporting date: 18 May 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-35023

OWNERSHIP DOCUMENT

Filing date: 15 May 2026
Reporting date: 07 May 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-50797

FORM 4 -

Filing date: 01 Oct 2020
Reporting date: 01 Oct 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-50797

FORM 4 -

Filing date: 24 Jun 2020
Reporting date: 23 Jun 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-50797

FORM 4 -

Filing date: 16 Jan 2020
Reporting date: 14 Jan 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-50797

FORM 4 -

Filing date: 21 Jun 2019
Reporting date: 19 Jun 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-50797

FORM 4 -

Filing date: 28 Aug 2018
Reporting date: 27 Aug 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-50797

FORM 4 -

Filing date: 11 Jul 2018
Reporting date: 09 Jul 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-50797

FORM 4 -

Filing date: 22 Jun 2018
Reporting date: 20 Jun 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-50797

FORM 4 -

Filing date: 27 Apr 2018
Reporting date: 25 Apr 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-50797

FORM 4 -

Filing date: 13 Apr 2018
Reporting date: 12 Apr 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-50797

FORM 4 -

Filing date: 12 Apr 2018
Reporting date: 21 Mar 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

Elizabeth Stoner

Start with the SEC data that changes for this CIK

What SEC filings say about Elizabeth Stoner

Quick read

SEC source mix

Forms 3/4/5 insider context

What changed recently for Elizabeth Stoner

CIK 0001415739 filing coverage

Latest Filings

OWNERSHIP DOCUMENT

OWNERSHIP DOCUMENT

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