Filer Snapshot

Dean W. Butler

CIK 0001791047. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.

Entity type

Individual

Total filings

20

Latest filing

21 Nov 2023

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 SLAB. 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 21 Nov 2023 for CIK 0001791047.

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SEC ownership signals 1 fact
SEC ownership summary

Parsed filing values

Bars compare filing families separately; they should not be added together as one total.

Forms 3/4/5 positions$14.13M

Reporting-owner positions when a value can be estimated.

Forms 3/4/5 position value

$14.13M

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

Top issuer positions

Largest parsed issuer positions across ownership filing types.

SLAB SYNA PXLW
How to read filing-family 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
400 West Cesar Chavez, Austin, TX, 78701

Filer intelligence

What SEC filings say about Dean W. Butler

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 SLAB worth $9.11M.

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 3 rows

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

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Forms 3/4/5 insider context

SLAB

15 May 2026 · Sr VP and CFO

$9.11M
Issuer page Owner page

SYNA

17 Feb 2024 · See Remarks

$4.81M
Issuer page Owner page

PXLW

20 May 2026

$210.5K
Issuer page Owner page

Latest update

What changed recently for Dean W. Butler

Ownership report updated

Latest ownership report period: 20 May 2026. Open the source-backed page to inspect the fresh filing or facts context.

Update date

22 May 2026

Page type

Ownership filings

Latest period

20 May 2026

Ownership context was refreshed from SEC Forms 3/4/5 filed on 22 May 2026.

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SEC filing record

CIK 0001791047 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
20
First seen
11 May 2021
Latest filing
21 Nov 2023
Entity
Individual

Observed form types

4

Primary evidence

Open SEC filing index Dean W. Butler SEC filings Dean W. Butler owner filings

Latest Filings

Showing the latest 12 of 20 SEC filings for Dean W. Butler.

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4

4 filing

Filing date
21 Nov 2023
Reporting date
17 Nov 2023
SEC evidence
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4

4 filing

Filing date
24 Oct 2023
Reporting date
21 Oct 2023
SEC evidence
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4

4 filing

Filing date
21 Aug 2023
Reporting date
17 Aug 2023
SEC evidence
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4

4 filing

Filing date
09 Aug 2023
Reporting date
08 Aug 2023
SEC evidence
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4

4 filing

Filing date
19 May 2023
Reporting date
17 May 2023
SEC evidence
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4

4 filing

Filing date
22 Feb 2023
Reporting date
17 Feb 2023
SEC evidence
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4

4 filing

Filing date
21 Nov 2022
Reporting date
17 Nov 2022
SEC evidence
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4

4 filing

Filing date
01 Nov 2022
Reporting date
31 Oct 2022
SEC evidence
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4

4 filing

Filing date
24 Oct 2022
Reporting date
21 Oct 2022
SEC evidence
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4

4 filing

Filing date
04 Oct 2022
Reporting date
30 Sep 2022
SEC evidence
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4

4 filing

Filing date
19 Aug 2022
Reporting date
17 Aug 2022
SEC evidence
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4

4 filing

Filing date
10 May 2022
Reporting date
09 May 2022
SEC evidence
Open document Open filing
Next action
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