SEC ownership of ROCKETFUEL BLOCKCHAIN, INC.

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000823546.

Comparable stake leader

Gert Funk

Disclosed value leader

Gert Funk

Comparable rows

0/4

Latest evidence

14 Jul 2023

Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 1 signal
Latest parsed ownership date
14 Jul 2023
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0000823546
Issuer location
Las Vegas, NV

Ownership snapshot

Top shareholders of ROCKETFUEL BLOCKCHAIN, INC. (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
Gert Funk
Disclosed value leader
Gert Funk
Comparable rows
0/4
Latest evidence
14 Jul 2023
3/4/5 Highest disclosed value: $964,386 4 rows are not safely comparable across share classes.

Quick read

Gert Funk has the largest disclosed position value at $964.4K.

0 of 4 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Gert Funk's linked filing trail.
Disclosed position value Top 4
Gert Funk $964.4K
Peter M. Jensen $581.2K
Bennett J. Yankowitz $282.5K
Rohan Hall $63K

Value bars compare disclosed positions; verify each figure against the linked filing evidence.

Detailed SEC evidence table Showing 1-4 of 4 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
Gert Funk
3/4/5
Chairman, Director, 10%+ Owner
class O/S missing
$964,386
5,212,895 shares
07 Sep 2022
Peter M. Jensen
3/4/5
CEO, Director
class O/S missing
$581,224
3,141,749 shares
14 Jul 2023
Bennett J. Yankowitz
3/4/5
CFO, Director
class O/S missing
$282,481
1,526,922 shares
18 Jul 2022
Rohan Hall
3/4/5
Chief Technology Officer
class O/S missing
$62,977
340,417 shares
02 Sep 2021
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 16 Jul 2025.

Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 0 Shares: 0
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 0 0 $0 $0 $0
3-6 0 0 $0 $0 $0
6-9 0 0 $0 $0 $0
9-12 0 0 $0 $0 $0

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-4 of 4 reporting-owner rows connected to ROCKETFUEL BLOCKCHAIN, INC.. Open a relationship link for the CIK-to-CIK filing trail.

Rows
4
Largest Forms 3/4/5 holder
Gert Funk
Net 12M change
$0
Latest report
14 Jul 2023
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Gert Funk Chairman, Director, 10%+ Owner $964,386 Mixed 07 Sep 2022
Peter M. Jensen CEO, Director $581,224 Filing P/S 14 Jul 2023
Bennett J. Yankowitz CFO, Director $282,481 Mixed 18 Jul 2022
Rohan Hall Chief Technology Officer $62,977 Mixed 02 Sep 2021

Recent insider transactions for ROCKETFUEL BLOCKCHAIN, INC.

Showing up to 300 recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % SEC-reported value SEC-reported price Shares Shares owned Date Ownership
No insider transactions were found in the last 12 months for this issuer.
* marks a reported price that did not pass the local price check.
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