According to recent filings covering the 90 days ending January 10, 2026, the three most significant insider holders at Prokidney are TenPercentOwner Empresarial De Capitales S.A. De C.V. Control (73.84Mn shares), Director Pablo G. Legorreta (22.62Mn shares), TenPercentOwner Aaron Cowen (4.05Mn shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Empresarial De Capitales S.A. De C.V. Control | 73,842,723 | 24 Apr, 2025 | |
| Pablo G. Legorreta | 22,617,909 | 05 Jun, 2025 | |
| Aaron Cowen | 4,050,675 | 04 Apr, 2023 | |
| Todd C Girolamo | Chief Legal Officer | 163,856 | 02 Aug, 2024 |
| Brian Jg Pereira | 81,928 | 06 Feb, 2025 | |
| Uma Sinha | 30,000 | 13 Jul, 2022 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 13 Nov, 2025 | Brian Jg Pereira | Class A Common Stock | D | 54,333 | $2.37 | 0 | I | S |
| 13 Nov, 2025 | Brian Jg Pereira | Class A Common Stock | D | 447,803 | $2.37 | 0 | I | S |
| 12 Nov, 2025 | Brian Jg Pereira | Class A Common Stock | D | 27,595 | $2.72 | 54,333 | I | S |
| 12 Nov, 2025 | Brian Jg Pereira | Class A Common Stock | D | 227,431 | $2.72 | 447,803 | I | S |
| 08 Jul, 2025 | Darin J. Weber | - | - | 0 | D | |||
| 08 Jul, 2025 | Darin J. Weber | Class A Common Stock | D | 103,480 | $3.02 | 0 | D | S |
| 03 Jun, 2025 | Pablo G. Legorreta | Class A Ordinary Shares | A | 3,823,996 | $0.00 | 26,441,905 | I | C |
| 03 Jun, 2025 | Pablo G. Legorreta | Class A Ordinary Shares | D | 3,823,996 | $0.00 | 22,617,909 | I | J |
| 03 Jun, 2025 | Pablo G. Legorreta | - | - | 26,441,905 | I | |||
| 03 Jun, 2025 | Pablo G. Legorreta | - | - | 22,617,909 | I | |||
| 22 Apr, 2025 | Empresarial De Capitales S.A. De C.V. Control | Class A Ordinary Shares (as defined in Exhibit 99.1 hereto) | A | 387,393 | $0.71 | 73,842,723 | D | P |
| 22 Apr, 2025 | Empresarial De Capitales S.A. De C.V. Control | - | - | 73,842,723 | D | |||
| 17 Apr, 2025 | Empresarial De Capitales S.A. De C.V. Control | Class A Ordinary Shares (as defined in Exhibit 99.1 hereto) | A | 25,000 | $0.75 | 73,455,330 | D | P |
| 16 Apr, 2025 | Empresarial De Capitales S.A. De C.V. Control | Class A Ordinary Shares (as defined in Exhibit 99.1 hereto) | A | 100,000 | $0.75 | 73,430,330 | D | P |
| 15 Apr, 2025 | Empresarial De Capitales S.A. De C.V. Control | - | - | 73,330,330 | D | |||
| 15 Apr, 2025 | Empresarial De Capitales S.A. De C.V. Control | Class A Ordinary Shares (as defined in Exhibit 99.1 hereto) | A | 468,000 | $0.70 | 73,330,330 | D | P |
| 14 Apr, 2025 | Empresarial De Capitales S.A. De C.V. Control | Class A Ordinary Shares (as defined in Exhibit 99.1 hereto) | A | 268,105 | $0.73 | 72,862,330 | D | P |
| 11 Apr, 2025 | Empresarial De Capitales S.A. De C.V. Control | Class A Ordinary Shares (as defined in Exhibit 99.1 hereto) | A | 1,900 | $0.61 | 72,594,225 | D | P |
| 10 Apr, 2025 | Empresarial De Capitales S.A. De C.V. Control | Class A Ordinary Shares (as defined in Exhibit 99.1 hereto) | A | 1,032,218 | $0.61 | 72,592,325 | D | P |
| 04 Feb, 2025 | Brian Jg Pereira | - | - | 675,234 | I |