Filer Snapshot

Nachum Shamir

CIK 0001622164. 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

03 Nov 2021

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 STXS. 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

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

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Source: SEC Forms 3/4/5

3 filed on 03 Nov 2021 for CIK 0001622164.

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SEC ownership signals 1 fact
SEC ownership summary

Filing-value scale

Bars compare parsed values by filing family; they are not one combined total.

Forms 3/4/5 positions$469.1K

Reporting-owner positions when a value can be estimated.

Forms 3/4/5 position value

$469.1K

Estimated from parsed Forms 3/4/5 when the filing discloses enough data.

Top issuer positions

Top parsed positions across ownership filing types.

STXS SSKN MDWD
How to read these values
  • Filing families stay separate: 13F portfolio value, 13D/G large stakes, and Forms 3/4/5 owner positions should not be blended into one total.
  • Use the linked research paths to verify each signal against the original SEC filing.
Filer identity 1 fact
Business address
12212 Technology Blvd, Austin, TX, 78727

Filer intelligence

What SEC filings say about Nachum Shamir

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 STXS worth $312K.

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 5 rows

Officer, director, and 10% owner holdings or transactions.

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Forms 3/4/5 insider context

STXS

02 Jan 2026

$312K
Issuer page Owner page

SSKN

05 Jul 2023

$136.2K
Issuer page Owner page

MDWD

18 Mar 2026

$20.9K
Issuer page Owner page

ISO

21 Mar 2023

Issuer page Owner page

Latest update

What changed recently for Nachum Shamir

Ownership report updated

Latest ownership report period: 18 Mar 2026. Open the source-backed page to inspect the fresh filing or facts context.

Update date

18 Mar 2026

Page type

Ownership filings

Latest period

18 Mar 2026

Ownership context was refreshed from SEC Forms 3/4/5 filed on 18 Mar 2026.

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SEC filing record

CIK 0001622164 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
03 Nov 2021
Latest filing
03 Nov 2021
Entity
Individual

Observed form types

3

Primary evidence

Open SEC filing index Nachum Shamir SEC filings Nachum Shamir owner filings

Latest Filings

Showing the latest 1 of 1 SEC filings for Nachum Shamir.

3

3 filing

Filing date
03 Nov 2021
Reporting date
28 Oct 2021
SEC evidence
Open document Open filing
Next action
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