Filer Snapshot

Nachiappan Subramanian

CIK 0002069599. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.

Entity type

Individual

Total filings

1

Latest filing

23 May 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 ATRA. Each card links back to the PortfolioSavvy page where the filing evidence is closest.

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Largest parsed holding

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Populates from the latest parsed 13F information table.

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13D/G large stake

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Source: SEC Forms 3/4/5

3 filed on 23 May 2025 for CIK 0002069599.

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Business address
1 Letterman Drive, Building D, Ste D3 300, San Francisco, CA, 94129

Filer intelligence

What SEC filings say about Nachiappan Subramanian

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 ATRA.

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

ATRA

16 May 2025

Issuer page Owner page

Latest update

What changed recently for Nachiappan Subramanian

Ownership report updated

Latest ownership report period: 16 May 2025. Open the source-backed page to inspect the fresh filing or facts context.

Update date

23 May 2025

Page type

Ownership filings

Latest period

16 May 2025

Ownership context was refreshed from SEC Forms 3/4/5 filed on 23 May 2025.

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SEC filing record

CIK 0002069599 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
1
First seen
23 May 2025
Latest filing
23 May 2025
Entity
Individual

Observed form types

3

CIK-linked evidence first

Nachiappan Subramanian SEC filings Nachiappan Subramanian owner filings Open SEC filing index

Latest Filings

Showing the latest 1 of 1 SEC filings for Nachiappan Subramanian.

3 File 001-36548

OWNERSHIP DOCUMENT

Filing date
23 May 2025
Reporting date
16 May 2025
SEC evidence
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