Comparable stake leader
Santoli Antonio
SEC ownership of CS DIAGNOSTICS CORP.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001106861.
Disclosed value leader
Santoli Antonio
Comparable rows
2/5
Latest evidence
31 Dec 2025
- Public ticker
- CSDX on OTC
- Parsed ownership sources
- 13D/G and 3/4/5
- Largest SEC-reported holder
- Santoli Antonio
- Latest 13D/G holder
- Santoli Antonio
- Latest parsed ownership date
- 31 Dec 2025
- Issuer CIK
- 0001106861
- Issuer location
- Neuss, Germany
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
2 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of CS DIAGNOSTICS CORP. (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
Santoli Antonio
Disclosed value leader
Santoli Antonio
Comparable rows
2/5
Latest evidence
31 Dec 2025
13D/G
3/4/5
Lead comparable stake: 9.9%
3 rows are not safely comparable across share classes.
13D/G row: Santoli Antonio
Quick read
Santoli Antonio leads the comparable SEC ownership view at 9.9%.
2 of 5 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 Santoli Antonio's linked filing trail.
Comparable ownership
Top 2
Santoli Antonio
9.9%
Graus Thomas
9.9%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-5 of 5 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Santoli Antonio |
13D/G
|
9.9%
|
$2,719,336
13,596,680 shares
|
$0 | 30 Sep 2025 |
| Graus Thomas |
13D/G
|
9.9%
|
$2,678,487
13,392,434 shares
|
$0 | 30 Sep 2025 |
| CS Diagnostics Pharma GmbH |
3/4/5
10%+ Owner
|
—
class O/S missing
|
—
104,507,800 shares
|
— | 31 Dec 2025 |
| CS Interpharm LLC |
3/4/5
10%+ Owner
|
—
class O/S missing
|
—
49,362,500 shares
|
— | 31 Dec 2025 |
| CS Interpharm General Trading Co. LLC |
3/4/5
10%+ Owner
|
—
class O/S missing
|
—
42,560,096 shares
|
— | 31 Dec 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 06 Jun 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 1-3 of 3 reporting-owner rows connected to CS DIAGNOSTICS CORP.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
3
Largest Forms 3/4/5 holder
CS Interpharm LLC
Net 12M change
$0
Latest report
31 Dec 2025
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| CS Interpharm LLC | 10%+ Owner | Mixed | 31 Dec 2025 | |||
| CS Interpharm General Trading Co. LLC | 10%+ Owner | Mixed | 31 Dec 2025 | |||
| CS Diagnostics Pharma GmbH | 10%+ Owner | Mixed | 31 Dec 2025 |
Recent insider transactions for CS DIAGNOSTICS CORP.
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| CS Diagnostics Pharma GmbH | CSDX | Common Stock | 0 | 104,507,800 | 31 Dec 2025 | Direct | ||||
| CS Interpharm General Trading Co. LLC | CSDX | Common Stock | 0 | 42,560,096 | 31 Dec 2025 | Direct | ||||
| CS Interpharm LLC | CSDX | Common Stock | 0 | 49,362,500 | 31 Dec 2025 | Direct |
* marks a reported price that did not pass the local price check.