Filer Snapshot

Barry Mainz

CIK 0001388839. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.

Entity type

Individual

Total filings

27

Latest filing

01 Jun 2026

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 BB. Each card links back to the PortfolioSavvy page where the filing evidence is closest.

Largest parsed holding

Populates from the latest parsed 13F information table.

Open holding

13D/G large stake

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

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Source: SEC Forms 3/4/5

4 filed on 01 Jun 2026 for CIK 0001388839.

View source filing
Business address
500 Wind River Way, Alameda, CA, 94501

Filer intelligence

What SEC filings say about Barry Mainz

A compact read of parsed XML filings. 13F, 13D/G, and Forms 3/4/5 are shown separately because they answer different ownership questions.

Quick read

  • Forms 3/4/5 show insider context for BB.

SEC source mix

Counts show available parsed rows, not one combined ownership total.

XML parsed
13F portfolio No rows yet

Quarterly institutional portfolio holdings.

Open
13D/G stakes No rows yet

Beneficial ownership and large-stake disclosures.

Open
Forms 3/4/5 1 rows

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

Open

Forms 3/4/5 insider context

BB

31 May 2026

Latest update

What changed recently for Barry Mainz

Ownership report updated

Latest ownership report period: 31 May 2026. Open the source-backed page to inspect the fresh filing or facts context.

Update date

01 Jun 2026

Page type

Ownership filings

Latest period

31 May 2026

Ownership context was refreshed from SEC Forms 3/4/5 filed on 01 Jun 2026.

SEC filing record

CIK 0001388839 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
27
First seen
09 Feb 2007
Latest filing
01 Jun 2026
Entity
Individual

Observed form types

4 3

Latest Filings

Showing the latest 12 of 15 SEC filings for Barry Mainz.

4 File 001-38232

FORM 4

Filing date
01 Jun 2026
Reporting date
31 May 2026
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-38232

FORM 4

Filing date
03 Mar 2026
Reporting date
28 Feb 2026
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-38232

FORM 4

Filing date
01 Dec 2025
Reporting date
30 Nov 2025
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-38232

FORM 4

Filing date
03 Sep 2025
Reporting date
31 Aug 2025
SEC evidence
Open document Open filing
Next action
Verify source filing
3 File 001-38232

FORM 3

Filing date
02 Sep 2025
Reporting date
23 Aug 2025
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-36471

FORM 4 SUBMISSION

Filing date
28 Aug 2017
Reporting date
24 Aug 2017
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-36471

FORM 4 SUBMISSION

Filing date
26 May 2017
Reporting date
25 May 2017
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-36471

FORM 4 SUBMISSION

Filing date
01 Mar 2017
Reporting date
27 Feb 2017
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-36471

FORM 4 SUBMISSION

Filing date
10 Feb 2017
Reporting date
10 Feb 2017
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-36471

FORM 4 SUBMISSION

Filing date
02 Feb 2017
Reporting date
31 Jan 2017
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-36471

FORM 4 SUBMISSION

Filing date
14 Mar 2016
Reporting date
10 Mar 2016
SEC evidence
Open document Open filing
Next action
Verify source filing
4 File 001-36471

FORM 4 SUBMISSION

Filing date
07 Mar 2016
Reporting date
03 Mar 2016
SEC evidence
Open document Open filing
Next action
Verify source filing
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