Filer Snapshot

Timothy Vanderhook

CIK 0001843103. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.

Entity Type

Individual

Total Filings

30

Latest Filing

21 May 2026

Industry

n/a

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  • Open 13F if you want portfolio holdings.
  • Open 13D/G or insider pages only when this CIK has those rows.
Open reporting owner context
Source: SEC Forms 3/4/5

4 filed on 21 May 2026 for CIK 0001843103.

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Business address
2722 Michelson Drive, Suite 100, Irvine, CA, 92612
Top holdings (Schedule 13G)
DSP

Filer intelligence

What SEC filings say about Timothy Vanderhook

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 DSP at 32% ownership.
  • Forms 3/4/5 show insider context for DSP worth $0.

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

DSP

31 Mar 2026 · Class A common stock, par value $0.001 per share

32%
Issuer page 13D/G history

Forms 3/4/5 insider context

DSP

19 May 2026 · CEO and Chairman · 10% owner

$0
Issuer page Owner page

Latest update

What changed recently for Timothy Vanderhook

Ownership report updated

Latest ownership report period: 19 May 2026. Open the source-backed page to inspect the fresh filing or facts context.

Update date

21 May 2026

Page type

Ownership filings

Latest period

19 May 2026

Ownership context was refreshed from SEC Forms 3/4/5 filed on 21 May 2026.

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Filer Overview

Timothy Vanderhook has filed 30 SEC EDGAR filings since 09 Feb 2021. Common forms include 4, SCHEDULE 13G, 144, SCHEDULE 13G/A and more.

Timothy Vanderhook SEC filings Timothy Vanderhook 13D/G history Timothy Vanderhook owner filings

Latest Filings

Recent SEC filings for Timothy Vanderhook with direct links to document and filing folders.

4 File 001-40015

FORM 4

Filing date
21 May 2026
Reporting date
19 May 2026
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SCHEDULE 13G

SCHEDULE 13G filing

Filing date
13 May 2026
Reporting date
Not listed
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4 File 001-40015

FORM 4

Filing date
22 Apr 2026
Reporting date
20 Apr 2026
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4 File 001-40015

FORM 4

Filing date
19 Mar 2026
Reporting date
17 Mar 2026
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4 File 001-40015

FORM 4

Filing date
12 Mar 2026
Reporting date
10 Mar 2026
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4 File 001-40015

FORM 4

Filing date
19 Feb 2026
Reporting date
17 Feb 2026
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4 File 001-40015

FORM 4

Filing date
22 Jan 2026
Reporting date
20 Jan 2026
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4 File 001-40015

FORM 4

Filing date
19 Dec 2025
Reporting date
19 Dec 2025
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4 File 001-40015

FORM 4

Filing date
18 Dec 2025
Reporting date
16 Dec 2025
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144

144 filing

Filing date
15 Dec 2025
Reporting date
Not listed
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4 File 001-40015

FORM 4

Filing date
17 Sep 2025
Reporting date
15 Sep 2025
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144

144 filing

Filing date
11 Sep 2025
Reporting date
Not listed
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4 File 001-40015

FORM 4

Filing date
13 Jun 2025
Reporting date
13 Jun 2025
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144

144 filing

Filing date
11 Jun 2025
Reporting date
Not listed
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SCHEDULE 13G/A

SCHEDULE 13G/A filing

Filing date
15 May 2025
Reporting date
Not listed
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4 File 001-40015

FORM 4

Filing date
11 Mar 2025
Reporting date
10 Mar 2025
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4 File 001-40015

FORM 4

Filing date
20 Dec 2024
Reporting date
18 Dec 2024
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4 File 001-40015

FORM 4

Filing date
12 Dec 2024
Reporting date
10 Dec 2024
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SC 13G/A

SC 13G/A

Filing date
08 Nov 2024
Reporting date
Not listed
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4 File 001-40015

FORM 4

Filing date
12 Sep 2024
Reporting date
10 Sep 2024
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4 File 001-40015

FORM 4

Filing date
12 Jun 2024
Reporting date
10 Jun 2024
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4 File 001-40015

FORM 4

Filing date
19 Mar 2024
Reporting date
15 Mar 2024
SEC evidence
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4 File 001-40015

FORM 4

Filing date
12 Mar 2024
Reporting date
10 Mar 2024
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SC 13G

SC 13G

Filing date
14 Feb 2024
Reporting date
Not listed
SEC evidence
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4 File 001-40015

FORM 4 SUBMISSION

Filing date
14 Mar 2023
Reporting date
07 Mar 2023
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SC 13G/A

SC 13G/A

Filing date
14 Feb 2023
Reporting date
Not listed
SEC evidence
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4 File 001-40015

FORM 4 SUBMISSION

Filing date
17 Mar 2022
Reporting date
15 Mar 2022
SEC evidence
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SC 13G

SC 13G

Filing date
14 Feb 2022
Reporting date
Not listed
SEC evidence
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4 File 001-40015

FORM 4 SUBMISSION

Filing date
12 Feb 2021
Reporting date
10 Feb 2021
SEC evidence
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3 File 001-40015

FORM 3 SUBMISSION

Filing date
09 Feb 2021
Reporting date
09 Feb 2021
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About this filer

Timothy Vanderhook files with the SEC under CIK 0001843103. This page aggregates EDGAR filings and related ownership activity.

FAQ

What is a CIK?
A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
Why are some filings missing?
New filings appear as the SEC updates EDGAR, and older records can vary by availability.
How often is this page updated?
Updates follow new EDGAR submissions and periodic data refreshes.
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