Filer Snapshot

Serguei Melnik

CIK 0001284120. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.

Entity type

Individual

Total filings

8

Latest filing

13 Mar 2025

Industry

n/a

Filing-backed research brief

Start with the SEC data that changes for this CIK

Latest signal: 13D/G stake for NTRB. Each card links back to the PortfolioSavvy page where the filing evidence is closest.

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Largest parsed holding

—

Populates from the latest parsed 13F information table.

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13D/G large stake

NTRB

29 Sep 2021 · 9.4% ownership

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Source: SEC Schedule 13D/G

SCHEDULE 13D filed on 13 Mar 2025 for CIK 0001284120.

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Parsed SEC ownership signals

Parsed SEC ownership coverage

These bars compare filing-backed value available in each disclosure family. Read them as separate lenses, not as one combined ownership total.

Forms 3/4/5 positions$639.4K

Reporting-owner positions with enough filing detail to estimate value.

Forms 3/4/5 position value

3/4/5
$639.4K

Estimated from parsed Forms 3/4/5 when filings include enough share and price data.

Largest linked holdings

Largest issuer positions linked to this CIK across parsed 13F, 13D/G, and Forms 3/4/5 records.

NTRB

Largest active 13D stakes

Active large-stake positions disclosed in parsed Schedule 13D filings.

NTRB
How to read these SEC ownership signals
  • Read each filing family separately: 13F portfolios, 13D/G large stakes, and Forms 3/4/5 owner positions answer different SEC disclosure questions.
  • Open the linked research path when you need the filing, CIK, issuer, or CUSIP trail behind a value.

Filer intelligence

What SEC filings say about Serguei Melnik

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

  • 1 recent 13D/G stake row found; top row is NTRB at 9.4% ownership.
  • Forms 3/4/5 show insider context for NTRB worth $639.4K.

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

NTRB

29 Sep 2021 · Common Stock, par value $0.001 per share

9.4%
Issuer page 13D/G history

Forms 3/4/5 insider context

NTRB

20 Mar 2024 · President and Secretary

$639.4K
Issuer page Owner page

Latest update

What changed recently for Serguei Melnik

New filing available

Latest Schedule 13D/G period: 29 Sep 2021. Open the source-backed page to inspect the fresh filing or facts context.

Update date

13 Mar 2025

Page type

Filer profile

Latest period

29 Sep 2021

Schedule 13D/G context is visible from filings filed on 13 Mar 2025.

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SEC filing record

CIK 0001284120 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
8
First seen
10 Feb 2022
Latest filing
13 Mar 2025
Entity
Individual

Observed form types

4 4/A 5 5/A SCHEDULE 13D

CIK-linked evidence first

Serguei Melnik SEC filings Serguei Melnik 13D/G history Serguei Melnik owner filings Open SEC filing index

Latest Filings

Showing the latest 8 of 8 SEC filings for Serguei Melnik.

SCHEDULE 13D

SCHEDULE 13D filing

Filing date
13 Mar 2025
Reporting date
Not listed
SEC evidence
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4

4 filing

Filing date
08 Mar 2023
Reporting date
06 Mar 2023
SEC evidence
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5/A

5/A filing

Filing date
25 Oct 2022
Reporting date
31 Jan 2022
SEC evidence
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5

5 filing

Filing date
05 Jul 2022
Reporting date
31 Jan 2022
SEC evidence
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4/A

4/A filing

Filing date
25 Feb 2022
Reporting date
24 Feb 2022
SEC evidence
Open document Open filing
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4

4 filing

Filing date
24 Feb 2022
Reporting date
24 Feb 2022
SEC evidence
Open document Open filing
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4/A

4/A filing

Filing date
24 Feb 2022
Reporting date
24 Feb 2022
SEC evidence
Open document Open filing
Next action
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4

4 filing

Filing date
10 Feb 2022
Reporting date
06 Feb 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
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