Filer Snapshot

Oguzhan Atay

CIK 0002088549. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.

Entity Type

Individual

Total Filings

3

Latest Filing

17 Feb 2026

Industry

n/a

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  • Open 13F if you want portfolio holdings.
  • Open 13D/G or insider pages only when this CIK has those rows.
Source: SEC Schedule 13D/G

SCHEDULE 13G filed on 17 Feb 2026 for CIK 0002088549.

View Source Filing
Business address
1035 O'brien Drive, Menlo Park, CA, 94025
Top holdings (Schedule 13G)
BLLN

Filer intelligence

What SEC filings say about Oguzhan Atay

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

  • 1 recent 13D/G stake row found; top row is BLLN at 7.3% ownership.
  • Forms 3/4/5 show insider context for BLLN.

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 1 rows

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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13D/G large-stake context

BLLN

31 Dec 2025 · Class A common stock, par value $0.00001 per share

7.3%

Forms 3/4/5 insider context

BLLN

07 Nov 2025 · See Remarks

Latest update

What changed recently for Oguzhan Atay

New filing available

Latest Schedule 13D/G period: 31 Dec 2025. Open the source-backed page to inspect the fresh filing or facts context.

Update date

17 Feb 2026

Page type

Filer profile

Latest period

31 Dec 2025

Schedule 13D/G context is visible from filings filed on 17 Feb 2026.

Filer Overview

Oguzhan Atay has filed 3 SEC EDGAR filings since 05 Nov 2025. Common forms include SCHEDULE 13G, 4, 3.

Latest Filings

Recent SEC filings for Oguzhan Atay with direct links to document and filing folders.

SCHEDULE 13G

SCHEDULE 13G filing

Filing date
17 Feb 2026
Reporting date
Not listed
SEC evidence
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4 File 001-42934

4

Filing date
12 Nov 2025
Reporting date
07 Nov 2025
SEC evidence
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3 File 001-42934

3

Filing date
05 Nov 2025
Reporting date
05 Nov 2025
SEC evidence
Open document Open filing
Next action
Verify source filing

About this filer

Oguzhan Atay files with the SEC under CIK 0002088549. This page aggregates EDGAR filings and related ownership activity.

FAQ

What is a CIK?
A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
Why are some filings missing?
New filings appear as the SEC updates EDGAR, and older records can vary by availability.
How often is this page updated?
Updates follow new EDGAR submissions and periodic data refreshes.
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