Comparable stake leader
Gregory Vizirgianakis
SEC ownership of Medinotec Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001931055.
Disclosed value leader
—
Comparable rows
3/4
Latest evidence
16 Apr 2025
- Public ticker
- MDNC on OTC
- Parsed ownership sources
-
3/4/5 and 13D/G
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Gregory Vizirgianakis
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
3 of 4
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
Gregory Vizirgianakis
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
16 Apr 2025
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001931055
- Issuer location
- Johannesburg
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of Medinotec 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
Gregory Vizirgianakis
Disclosed value leader
—
Comparable rows
3/4
Latest evidence
16 Apr 2025
3/4/5
13D/G
Lead comparable stake: 40%
1 rows are not safely comparable across share classes.
13D/G row: Gregory Vizirgianakis
Quick read
Gregory Vizirgianakis leads the comparable SEC ownership view at 40%.
3 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 Gregory Vizirgianakis's linked filing trail.
Comparable ownership
Top 3
Gregory Vizirgianakis
40%
Stavros G. Vizirgianakis
40%
Athanasios Spirakis
0.1%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-4 of 4 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Gregory Vizirgianakis |
3/4/5
13D/G
President, Secretary, CEO, Director, 10%+ Owner
|
40%
from 13D/G
|
—
4,750,179 shares
|
— | 16 Apr 2025 |
| Stavros G. Vizirgianakis |
3/4/5
13D/G
Director, 10%+ Owner
|
40%
from 13D/G
|
—
4,750,179 shares
|
— | 16 Apr 2025 |
| Athanasios Spirakis |
3/4/5
Director
|
0.1%
|
—
12,073 shares
|
— | 16 Apr 2025 |
| Pieter Mohr van Niekerk |
3/4/5
CFO, Director
|
—
class O/S missing
|
—
401,965 shares
|
— | 16 Apr 2025 |
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 20 Aug 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 1-5 of 5 reporting-owner rows connected to Medinotec Inc.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
5
Largest Forms 3/4/5 holder
Athanasios Spirakis
Net 12M change
$0
Latest report
16 Apr 2025
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Athanasios Spirakis | Director | Mixed | 16 Apr 2025 | |||
| Stavros G. Vizirgianakis | Director, 10%+ Owner | Mixed | 16 Apr 2025 | |||
| Gregory Vizirgianakis | President, Secretary, CEO, Director, 10%+ Owner | Mixed | 16 Apr 2025 | |||
| Pieter Mohr van Niekerk | CFO, Director | Mixed | 16 Apr 2025 | |||
| Joseph P. Dwyer | Director | Mixed | 16 Apr 2025 |
Recent insider transactions for Medinotec 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.