Filer Snapshot

John Niederhuber

CIK 0001501240. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.

Entity Type

Individual

Total Filings

25

Latest Filing

08 Aug 2025

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 08 Aug 2025 for CIK 0001501240.

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Business address
2401 4 Th Avenue, Suite 1050, Seattle, WA, 98121

Filer intelligence

What SEC filings say about John Niederhuber

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 APVO 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 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

APVO

06 Aug 2025

$0
Issuer page Owner page

Latest update

What changed recently for John Niederhuber

Ownership report updated

Latest ownership report period: 06 Aug 2025. Open the source-backed page to inspect the fresh filing or facts context.

Update date

08 Aug 2025

Page type

Ownership filings

Latest period

06 Aug 2025

Ownership context was refreshed from SEC Forms 3/4/5 filed on 08 Aug 2025.

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Filer Overview

John Niederhuber has filed 25 SEC EDGAR filings since 15 Sep 2010. Common forms include 4, 3, 4/A.

John Niederhuber SEC filings John Niederhuber owner filings

Latest Filings

Recent SEC filings for John Niederhuber with direct links to document and filing folders.

4 File 001-37746

4

Filing date
08 Aug 2025
Reporting date
06 Aug 2025
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4 File 001-37746

4

Filing date
21 Jul 2025
Reporting date
17 Jul 2025
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4 File 001-37746

4

Filing date
19 Jul 2024
Reporting date
17 Jul 2024
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4 File 001-37746

4

Filing date
03 Jun 2024
Reporting date
01 Jun 2024
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4 File 001-37746

FORM 4 SUBMISSION

Filing date
10 Aug 2023
Reporting date
09 Aug 2023
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4 File 001-37746

FORM 4 SUBMISSION

Filing date
02 Jun 2023
Reporting date
01 Jun 2023
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4 File 001-37746

FORM 4 SUBMISSION

Filing date
10 Aug 2022
Reporting date
09 Aug 2022
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4 File 001-37746

FORM 4 SUBMISSION

Filing date
03 Jun 2022
Reporting date
03 Aug 2016
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4 File 001-37746

4 filing

Filing date
02 Jun 2021
Reporting date
01 Jun 2021
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4 File 001-37746

4 filing

Filing date
17 Feb 2021
Reporting date
02 Jul 2020
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4 File 001-37746

4 filing

Filing date
29 Jul 2020
Reporting date
27 Jul 2020
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4 File 001-37746

PRIMARY DOCUMENT

Filing date
04 Jun 2019
Reporting date
01 Jun 2019
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4 File 001-37746

OWNERSHIP DOCUMENT

Filing date
04 Jun 2018
Reporting date
01 Jun 2018
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4 File 001-37746

OWNERSHIP DOCUMENT

Filing date
01 Jun 2017
Reporting date
01 Jun 2017
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4 File 001-37746

OWNERSHIP DOCUMENT

Filing date
05 Aug 2016
Reporting date
03 Aug 2016
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3 File 001-37746

OWNERSHIP DOCUMENT

Filing date
02 Aug 2016
Reporting date
01 Aug 2016
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4/A File 001-33137

FORM 4/A

Filing date
23 May 2016
Reporting date
18 May 2016
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4 File 001-33137

FORM 4

Filing date
20 May 2016
Reporting date
18 May 2016
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4 File 001-33137

FORM 4

Filing date
21 May 2015
Reporting date
21 May 2015
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4 File 001-33137

FORM 4

Filing date
23 May 2014
Reporting date
22 May 2014
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4 File 001-33137

FORM 4

Filing date
24 May 2013
Reporting date
23 May 2013
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4 File 001-33137

FORM 4

Filing date
21 May 2012
Reporting date
17 May 2012
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4 File 001-33137

FORM 4

Filing date
23 May 2011
Reporting date
19 May 2011
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4 File 001-33137

FORM 4

Filing date
15 Sep 2010
Reporting date
23 Aug 2010
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3 File 001-33137

FORM 3

Filing date
15 Sep 2010
Reporting date
23 Aug 2010
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About this filer

John Niederhuber files with the SEC under CIK 0001501240. 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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