Filer Snapshot

Sean Werner

CIK 0002047541. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.

Entity type

Individual

Total filings

17

Latest filing

08 Oct 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 BLFS. Each card links back to the PortfolioSavvy page where the filing evidence is closest.

Largest parsed holding

—

Populates from the latest parsed 13F information table.

Open holding

13D/G large stake

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

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Source: SEC Forms 3/4/5

4 filed on 08 Oct 2026 for CIK 0002047541.

View source filing
Business address
3303 Monte Vila Parkway, Bothell, WA, 98021

Filer intelligence

What SEC filings say about Sean Werner

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

Quick read

  • Forms 3/4/5 show insider context for BLFS worth $0.

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

BLFS

06 Oct 2026 · Chief Technology Officer

$0

Latest update

What changed recently for Sean Werner

Ownership report updated

Latest ownership report period: 06 Oct 2026. Open the source-backed page to inspect the fresh filing or facts context.

Update date

08 Oct 2026

Page type

Ownership filings

Latest period

06 Oct 2026

Ownership context was refreshed from SEC Forms 3/4/5 filed on 08 Oct 2026.

SEC filing record

CIK 0002047541 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
17
First seen
06 Dec 2024
Latest filing
08 Oct 2026
Entity
Individual

Observed form types

4 3

Latest Filings

Showing the latest 12 of 17 SEC filings for Sean Werner.

4 File 001-36362

4

Filing date
08 Oct 2026
Reporting date
06 Oct 2026
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-36362

FORM 4

Filing date
22 Sep 2026
Reporting date
18 Sep 2026
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-36362

FORM 4

Filing date
21 Jul 2026
Reporting date
17 Jul 2026
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-36362

FORM 4

Filing date
22 Jun 2026
Reporting date
18 Jun 2026
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-36362

FORM 4

Filing date
23 Mar 2026
Reporting date
19 Mar 2026
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-36362

FORM 4

Filing date
05 Mar 2026
Reporting date
03 Mar 2026
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-36362

FORM 4

Filing date
26 Feb 2026
Reporting date
24 Feb 2026
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-36362

FORM 4

Filing date
28 Nov 2025
Reporting date
25 Nov 2025
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-36362

FORM 4

Filing date
22 Oct 2025
Reporting date
20 Oct 2025
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-36362

FORM 4

Filing date
15 Sep 2025
Reporting date
11 Sep 2025
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-36362

FORM 4

Filing date
28 Aug 2025
Reporting date
26 Aug 2025
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-36362

FORM 4

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