Filer Snapshot

John C. Shoemaker

CIK 0001299645. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.

Entity type

Individual

Total filings

63

Latest filing

13 Nov 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 EXTR. 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

4 filed on 13 Nov 2025 for CIK 0001299645.

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Identity
Business address
1143 Borregas Avenue, Sunnyvale, CA, 94089
SEC ownership signals
Parsed ownership coverage

Form 3/4/5 holdings value

$12.23M

Estimated from parsed insider ownership filings when values are available.

Top disclosed positions
EXTR

Filer intelligence

What SEC filings say about John C. Shoemaker

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 EXTR worth $12.23M.

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

EXTR

12 Nov 2025

$12.23M
Issuer page Owner page

Latest update

What changed recently for John C. Shoemaker

Ownership report updated

Latest ownership report period: 12 Nov 2025. Open the source-backed page to inspect the fresh filing or facts context.

Update date

13 Nov 2025

Page type

Ownership filings

Latest period

12 Nov 2025

Ownership context was refreshed from SEC Forms 3/4/5 filed on 13 Nov 2025.

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SEC filing record

CIK 0001299645 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
63
First seen
05 Aug 2004
Latest filing
13 Nov 2025
Entity
Individual

Observed form types

4 4/A 3

Primary evidence

Open SEC filing index John C. Shoemaker SEC filings John C. Shoemaker owner filings

Latest Filings

Showing the latest 12 of 46 SEC filings for John C. Shoemaker.

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4 File 001-40423

FORM 4

Filing date
13 Nov 2025
Reporting date
12 Nov 2025
SEC evidence
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4 File 001-40423

FORM 4

Filing date
18 Nov 2024
Reporting date
14 Nov 2024
SEC evidence
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4 File 001-40423

FORM 4

Filing date
12 Nov 2024
Reporting date
08 Nov 2024
SEC evidence
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4 File 001-40423

FORM 4

Filing date
09 Nov 2023
Reporting date
08 Nov 2023
SEC evidence
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4 File 001-40423

FORM 4

Filing date
06 Sep 2023
Reporting date
01 Sep 2023
SEC evidence
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4 File 001-40423

FORM 4

Filing date
18 Nov 2022
Reporting date
17 Nov 2022
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4 File 001-40423

FORM 4

Filing date
07 Nov 2022
Reporting date
07 Nov 2022
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4 File 001-40423

FORM 4

Filing date
08 Nov 2021
Reporting date
04 Nov 2021
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4 File 001-40423

FORM 4

Filing date
19 May 2021
Reporting date
17 May 2021
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4 File 000-25711

FORM 4

Filing date
09 Nov 2020
Reporting date
05 Nov 2020
SEC evidence
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4 File 000-25711

FORM 4

Filing date
08 Jun 2020
Reporting date
05 Jun 2020
SEC evidence
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4 File 000-25711

FORM 4 BD05

Filing date
12 Feb 2020
Reporting date
10 Feb 2020
SEC evidence
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