Form
SCHEDULE 13D/A
Active or control-oriented beneficial ownership filing.
Control Empresarial de Capitales S.A. de C.V. - 28 Apr 2026 SCHEDULE 13D/A Report for ProKidney Corp. Class A Common Stock, par value $0.0001 per share (PROK)
- Filing manager
- Control Empresarial de Capitales S.A. de C.V.
- Reporting owner
- Control Empresarial de Capitales S.A. de C.V.
- Beneficially owned shares
- 73,842,723 shares
- Large-stake signal
-
Ownership
36%Beneficial ownership of this reported class.
Shares
73,842,723 sharesShares beneficially owned as disclosed.
Event date
28 Apr 2026Date tied to the ownership event or amendment.
Accepted by SEC
30 Apr 2026EDGAR acceptance date.
How to read this large-stake filing
- Schedule 13D/G filings focus on beneficial ownership stakes, not a full portfolio.
- Compare this filing with the holder history and issuer page before treating the percentage as a current position.
- Use amendments to understand whether the disclosed stake increased, decreased, or changed reporting status.
- Class ownership
- 36%
- Symbol
- PROK
- Shares outstanding
- 205,118,675 shares
- SEC form
- SCHEDULE 13D/A
- Accepted by SEC
- 30 Apr 2026, 16:24:23 UTC
- Event date
- 28 Apr 2026
- Source filing
- View source filing
Ownership signal
CIK-linked ownership evidence from parsed SEC filings.
2 signals
Subject security
Names, identifiers, and filing context for this profile.
2 source fields
Source evidence
Original filing metadata and source links for verification.
4 source fields
Key filing fact
Control Empresarial de Capitales S.A. de C.V. disclosed 36% ownership in ProKidney Corp. Class A Common Stock, par value $0.0001 per share (PROK) on 28 Apr 2026.
Key facts
- Control Empresarial de Capitales S.A. de C.V. filed SCHEDULE 13D/A for ProKidney Corp. Class A Common Stock, par value $0.0001 per share (PROK).
- Disclosed ownership: 36%.
- Date of event: 28 Apr 2026.
Change
- No earlier schedule filing is available for direct comparison.
- Current filing was accepted on 30 Apr 2026, 16:24.
Research use
- This page turns one Schedule 13D/G filing into a quick large-stake read before the raw reporting-person rows.
- Use the linked SEC filing as the source of truth for ownership percentages, shares, and reporting-party details.
Evidence
Backed by Schedule 13D/13G
View source filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting persons
Disclosed reporting parties (8)
Names, ownership percentages, voting power, signatures, titles, and CIKs as disclosed in this Schedule 13D/G filing.
| Name | Ownership | Shares owned | Sole voting power | Shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Carlos Slim Helu | 36% | 73,842,723 | 0 | 73,842,723 | /s/ Victor Manuel Gutierrez Lopez | Victor Manuel Gutierrez Lopez, Attorney in Fact* | |
| Carlos Slim Domit | 36% | 73,842,723 | 0 | 73,842,723 | /s/ Victor Manuel Gutierrez Lopez | Victor Manuel Gutierrez Lopez, Attorney in Fact* | |
| Marco Antonio Slim Domit | 36% | 73,842,723 | 0 | 73,842,723 | /s/ Victor Manuel Gutierrez Lopez | Victor Manuel Gutierrez Lopez, Attorney in Fact* | |
| Patrick Slim Domit | 36% | 73,842,723 | 0 | 73,842,723 | /s/ Victor Manuel Gutierrez Lopez | Victor Manuel Gutierrez Lopez, Attorney in Fact* | |
| Maria Soumaya Slim Domit | 36% | 73,842,723 | 0 | 73,842,723 | /s/ Victor Manuel Gutierrez Lopez | Victor Manuel Gutierrez Lopez, Attorney in Fact* | |
| Vanessa Paola Slim Domit | 36% | 73,842,723 | 0 | 73,842,723 | /s/ Victor Manuel Gutierrez Lopez | Victor Manuel Gutierrez Lopez, Attorney in Fact* | |
| Johanna Monique Slim Domit | 36% | 73,842,723 | 0 | 73,842,723 | /s/ Victor Manuel Gutierrez Lopez | Victor Manuel Gutierrez Lopez, Attorney in Fact* | |
| Control Empresarial de Capitales S.A. de C.V. | 36% | 73,842,723 | 0 | 73,842,723 | /s/ Victor Manuel Gutierrez Lopez | Victor Manuel Gutierrez Lopez, Attorney in Fact* | 0001273693 |
CIK / CUSIP context first