Filer Snapshot

Michael K. Kobayashi

CIK 0001311099. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.

Entity Type

Individual

Total Filings

34

Latest Filing

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

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Source: SEC Forms 3/4/5

4 filed on 27 Jun 2025 for CIK 0001311099.

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Identity
Business address
5130 Hacienda Drive, Dublin, CA, 94568
SEC ownership signals
Filing-backed coverage

Insider holdings value

$7.78M

Parsed Forms 3/4/5 holdings where value can be estimated.

Top ownership positions
ROST GO

Filer intelligence

What SEC filings say about Michael K. Kobayashi

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 ROST worth $7.63M.

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

ROST

21 Mar 2025 · PRES., CHIEF CAPABILITY OFC'R

$7.63M
Issuer page Owner page

GO

26 Jun 2025

$150K
Issuer page Owner page

Latest update

What changed recently for Michael K. Kobayashi

Ownership report updated

Latest ownership report period: 26 Jun 2025. Open the source-backed page to inspect the fresh filing or facts context.

Update date

27 Jun 2025

Page type

Ownership filings

Latest period

26 Jun 2025

Ownership context was refreshed from SEC Forms 3/4/5 filed on 27 Jun 2025.

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SEC filing record

CIK 0001311099 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
34
First seen
20 Dec 2004
Latest filing
27 Jun 2025
Entity
Individual

Observed form types

4 3 144 3/A

Primary evidence

Open SEC filing index Michael K. Kobayashi SEC filings Michael K. Kobayashi owner filings

Latest Filings

Showing the latest 12 of 29 SEC filings for Michael K. Kobayashi.

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4 File 001-38950

FORM 4

Filing date
27 Jun 2025
Reporting date
26 Jun 2025
SEC evidence
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3 File 001-38950

FORM 3

Filing date
27 Jun 2025
Reporting date
26 Jun 2025
SEC evidence
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4 File 000-14678

4 filing

Filing date
25 Mar 2025
Reporting date
21 Mar 2025
SEC evidence
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4 File 000-14678

4 filing

Filing date
01 Apr 2024
Reporting date
28 Mar 2024
SEC evidence
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4 File 000-14678

4 filing

Filing date
26 Mar 2024
Reporting date
22 Mar 2024
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144

144 filing

Filing date
26 Mar 2024
Reporting date
Not listed
SEC evidence
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4 File 000-14678

4 filing

Filing date
10 Oct 2023
Reporting date
06 Oct 2023
SEC evidence
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144

144 filing

Filing date
20 Sep 2023
Reporting date
Not listed
SEC evidence
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4 File 000-14678

4 filing

Filing date
19 Sep 2023
Reporting date
15 Sep 2023
SEC evidence
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144

144 filing

Filing date
22 Aug 2023
Reporting date
Not listed
SEC evidence
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4 File 000-14678

4 filing

Filing date
10 Apr 2023
Reporting date
06 Apr 2023
SEC evidence
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4 File 000-14678

4 filing

Filing date
21 Mar 2023
Reporting date
17 Mar 2023
SEC evidence
Open document Open filing
Next action
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