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

Matthew Buten

CIK 0001898799. 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

03 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 BHVN. 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

BHVN

27 Feb 2026 · $1.94M

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Source: SEC Forms 3/4/5

4 filed on 03 Mar 2026 for CIK 0001898799.

View Source Filing

Business address: 215 Church Street, New Haven, CT, 06510
Ownership coverage: Form 3/4/5 holdings value
$1.94M
Estimated from parsed insider ownership filings when values are disclosed.
Top disclosed positions: BHVN

Filer intelligence

What SEC filings say about Matthew Buten

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 BHVN worth $1.94M.

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 2 rows

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

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Forms 3/4/5 insider context

BHVN

27 Feb 2026 · Chief Financial Officer

$1.94M

Issuer page Owner page

BHVN

03 Oct 2022 · Chief Financial Officer

Issuer page Owner page

Latest update

What changed recently for Matthew Buten

Ownership report updated

Latest ownership report period: 27 Feb 2026. Open the source-backed page to inspect the fresh filing or facts context.

Update date

03 Mar 2026

Page type

Ownership filings

Latest period

27 Feb 2026

Ownership context was refreshed from SEC Forms 3/4/5 filed on 03 Mar 2026.

Open ownership filings Browse recent public updates

SEC filing record

CIK 0001898799 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

14 Dec 2021

Latest filing

03 Mar 2026

Entity

Individual

Observed form types

4 3

Primary evidence

Open SEC filing index Matthew Buten SEC filings Matthew Buten owner filings

Latest Filings

Showing the latest 12 of 14 SEC filings for Matthew Buten.

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4 File 001-41477

FORM 4

Filing date: 03 Mar 2026
Reporting date: 27 Feb 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41477

FORM 4

Filing date: 07 Jan 2026
Reporting date: 05 Jan 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41477

FORM 4

Filing date: 07 Jan 2025
Reporting date: 05 Jan 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41477

PRIMARY DOCUMENT

Filing date: 04 Jan 2024
Reporting date: 02 Jan 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41477

PRIMARY DOCUMENT

Filing date: 06 Nov 2023
Reporting date: 02 Nov 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41477

PRIMARY DOCUMENT

Filing date: 06 Oct 2023
Reporting date: 05 Oct 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41477

PRIMARY DOCUMENT

Filing date: 26 Oct 2022
Reporting date: 25 Oct 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41477

PRIMARY DOCUMENT

Filing date: 05 Oct 2022
Reporting date: 03 Oct 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38080

PRIMARY DOCUMENT

Filing date: 03 Oct 2022
Reporting date: 03 Oct 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-41477

FORM 3

Filing date: 28 Sep 2022
Reporting date: 22 Sep 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38080

PRIMARY DOCUMENT

Filing date: 07 Jan 2022
Reporting date: 07 Jan 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38080

PRIMARY DOCUMENT

Filing date: 04 Jan 2022
Reporting date: 31 Dec 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

Matthew Buten

Start with the SEC data that changes for this CIK

What SEC filings say about Matthew Buten

Quick read

SEC source mix

Forms 3/4/5 insider context

What changed recently for Matthew Buten

CIK 0001898799 filing coverage

Latest Filings

FORM 4

FORM 4

FORM 4

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FORM 3

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