PROKIDNEY CORP. (PROK)

Latest Insider Confidence Score

2026Q1

48.5
Bearish

Company insider confidence (by quarter)

2021Q2 2026Q1

Largest shareholders

Insider Role (last 12 mo) Shares held Filed at
Control Empresarial de Capitales S.A. de C.V. 10% Owner 73,842,723 Apr 24, 2025
SC Master Holdings, LLC Other 13,273,000 Jul 20, 2022
SC PIPE Holdings LLC 10% Owner 13,273,000 Jul 20, 2022
Cowen Aaron 10% Owner 13,198,766 Oct 22, 2024
Palihapitiya Chamath Other 6,220,000 Jul 20, 2022

Recent buy/sell transactions

Exec date Filing date Insider Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Mar 1, 2026 Mar 3, 2026 Coulston James CFO Neutral 52.5 - 0.00% ✗ -
Mar 1, 2026 Mar 3, 2026 Weber Darin J. Chief Regulatory Officer Neutral 52.5 - 0.00% ✗ -
Mar 1, 2026 Mar 3, 2026 Girolamo Todd C Chief Legal Officer Neutral 52.5 - 0.00% ✗ -
Mar 1, 2026 Mar 3, 2026 Culleton Bruce CEO Neutral 52.5 - 0.00% ✗ -
Nov 12, 2025 Nov 14, 2025 Pereira Brian JG Director Sell 17.5 -757,162 -100.00% ✗ $1.9M
Jul 11, 2025 Cowen Aaron 10% Owner Neutral 52.5 - 0.00% ✗ -
Jul 8, 2025 Jul 9, 2025 Weber Darin J. Chief Regulatory Officer Sell 7.5 -103,480 -100.00% ✓ $312.5K
Jun 3, 2025 Jun 5, 2025 Legorreta Pablo G. Director Neutral 27.5 -3,823,996 -14.46% ✗ -
May 29, 2025 Jun 2, 2025 Legorreta Pablo G. Director Neutral 52.5 - 0.00% ✗ -
May 29, 2025 Jun 2, 2025 Sinha Uma Director Neutral 52.5 - 0.00% ✗ -
May 29, 2025 Jun 2, 2025 Pereira Brian JG Director Neutral 52.5 - 0.00% ✗ -
May 29, 2025 Jun 2, 2025 Jimenez Santos Jose Ignacio Director Neutral 52.5 - 0.00% ✗ -
May 29, 2025 Jun 2, 2025 Fox Jennifer A. Director Neutral 52.5 - 0.00% ✗ -
May 29, 2025 Jun 2, 2025 DOYLE WILLIAM F Director Neutral 52.5 - 0.00% ✗ -
May 29, 2025 Jun 2, 2025 Lotvin Alan Director Neutral 52.5 - 0.00% ✗ -
Apr 22, 2025 Apr 24, 2025 Control Empresarial de Capitales S.A. de C.V. 10% Owner Buy 75.0 +387,393 0.53% ✗ $276.4K
Apr 17, 2025 Apr 21, 2025 Control Empresarial de Capitales S.A. de C.V. 10% Owner Buy 48.8 +25,000 0.03% ✗ $18.7K
Apr 16, 2025 Apr 18, 2025 Control Empresarial de Capitales S.A. de C.V. 10% Owner Buy 60.0 +100,000 0.14% ✗ $74.8K
Apr 14, 2025 Apr 16, 2025 Control Empresarial de Capitales S.A. de C.V. 10% Owner Buy 85.0 +736,105 1.01% ✗ $520.6K
Apr 10, 2025 Apr 14, 2025 Control Empresarial de Capitales S.A. de C.V. 10% Owner Buy 85.0 +1,034,118 1.45% ✗ $628.8K
Mar 1, 2025 Mar 4, 2025 Culleton Bruce CEO Neutral 52.5 - 0.00% ✗ -
Mar 1, 2025 Mar 4, 2025 Weber Darin J. Chief Regulatory Officer Neutral 52.5 - 0.00% ✗ -
Mar 1, 2025 Mar 4, 2025 Girolamo Todd C Chief Legal Officer Neutral 52.5 - 0.00% ✗ -
Mar 1, 2025 Mar 4, 2025 Coulston James CFO Neutral 52.5 - 0.00% ✗ -
Feb 4, 2025 Feb 6, 2025 Legorreta Pablo G. Director Neutral 27.5 -532,535 -2.30% ✗ -
Feb 4, 2025 Feb 6, 2025 Pereira Brian JG Director Neutral 52.5 - 0.00% ✗ -
Oct 22, 2024 Cowen Aaron 10% Owner Neutral 52.5 - 0.00% ✗ -
Sep 19, 2024 Sep 20, 2024 Weber Darin J. Chief Regulatory Officer Sell 28.8 -16,412 -13.69% ✓ $41K
Sep 13, 2024 Sep 16, 2024 Culleton Bruce CEO Neutral 52.5 - 0.00% ✗ -
Sep 3, 2024 Sep 4, 2024 Fox Jennifer A. Director Neutral 52.5 - 0.00% ✗ -
Jul 31, 2024 Aug 2, 2024 Girolamo Todd C Chief Legal Officer Neutral 52.5 - 0.00% ✗ -
Jul 26, 2024 Jul 29, 2024 Weber Darin J. Chief Regulatory Officer Sell 52.5 -826 -0.68% ✓ $2.1K
Jun 11, 2024 Jun 25, 2024 Control Empresarial de Capitales S.A. de C.V. 10% Owner Buy 100.0 +8,264,462 13.06% ✗ $20M
Jun 18, 2024 Jun 20, 2024 Weber Darin J. Chief Regulatory Officer Sell 28.8 -17,238 -12.50% ✓ $48.6K
Jun 13, 2024 Jun 14, 2024 Legorreta Pablo G. Director Buy 100.0 +22,617,909 100.00% ✗ $54.7M
May 30, 2024 Jun 3, 2024 Fox Jennifer A. Director Neutral 52.5 - 0.00% ✗ -
May 30, 2024 Jun 3, 2024 Sinha Uma Director Neutral 52.5 - 0.00% ✗ -
May 30, 2024 Jun 3, 2024 Legorreta Pablo G. Director Neutral 52.5 - 0.00% ✗ -
May 30, 2024 Jun 3, 2024 Pereira Brian JG Director Neutral 52.5 - 0.00% ✗ -
May 30, 2024 Jun 3, 2024 Jimenez Santos Jose Ignacio Director Neutral 52.5 - 0.00% ✗ -
May 30, 2024 Jun 3, 2024 DOYLE WILLIAM F Director Neutral 52.5 - 0.00% ✗ -
May 30, 2024 Jun 3, 2024 Lotvin Alan Director Neutral 52.5 - 0.00% ✗ -
May 20, 2024 May 22, 2024 Weber Darin J. Chief Regulatory Officer Sell 25.0 -17,238 -11.11% ✓ $70.4K
Mar 13, 2024 May 16, 2024 Control Empresarial de Capitales S.A. de C.V. 10% Owner Buy 67.5 +177,000 0.28% ✗ $251.7K
Apr 18, 2024 Apr 23, 2024 Weber Darin J. SVP of Regulatory Development Sell 32.5 -17,238 -10.00% ✓ $43.3K
Apr 16, 2024 Apr 17, 2024 Weber Darin J. SVP of Regulatory Development Sell 32.5 -17,238 -9.09% ✓ $43.1K
Apr 1, 2024 Apr 16, 2024 Weber Darin J. SVP of Regulatory Development Sell 10.0 -84,403 -30.80% ✓ $146K
Apr 1, 2024 Apr 2, 2024 Ernst Ulrich Peter Alfred EVP, Technical Operations Neutral 52.5 - 0.00% ✗ -
Apr 2, 2024 Ernst Ulrich Peter Alfred EVP, Technical Operations Neutral 52.5 - 0.00% ✗ -
Mar 1, 2024 Mar 5, 2024 Coulston James CFO Neutral 52.5 - 0.00% ✗ -
Mar 1, 2024 Mar 5, 2024 Girolamo Todd C Chief Legal Officer Neutral 52.5 - 0.00% ✗ -
Mar 1, 2024 Mar 5, 2024 Weber Darin J. SVP of Regulatory Development Neutral 52.5 - 0.00% ✗ -
Feb 5, 2024 Feb 6, 2024 Girolamo Todd C Chief Legal Officer Neutral 52.5 - 0.00% ✗ -
Feb 5, 2024 Feb 6, 2024 Weber Darin J. SVP of Regulatory Development Neutral 52.5 - 0.00% ✗ -
Feb 5, 2024 Feb 6, 2024 Legorreta Pablo G. Director Neutral 27.5 -748,952 -100.00% ✗ -
Dec 3, 2023 Dec 5, 2023 Culleton Bruce CEO Neutral 52.5 - 0.00% ✗ -
Nov 19, 2023 Nov 21, 2023 Palihapitiya Chamath Other Sell 16.3 -7,256,367 -100.00% ✗ $9.5M
Nov 15, 2023 Nov 17, 2023 Palihapitiya Chamath 10% Owner Sell 20.0 -752,800 -12.68% ✗ $987.9K
Nov 9, 2023 Nov 14, 2023 Palihapitiya Chamath 10% Owner Sell 20.0 -576,700 -8.85% ✗ $897.9K
Nov 6, 2023 Nov 8, 2023 Palihapitiya Chamath 10% Owner Sell 20.0 -209,833 -3.12% ✗ $334.9K
Nov 1, 2023 Nov 3, 2023 Palihapitiya Chamath 10% Owner Sell 20.0 -405,400 -5.69% ✗ $688.1K
Oct 30, 2023 Nov 1, 2023 Legorreta Pablo G. Director Neutral 27.5 -5,289,055 -100.00% ✗ -
Oct 27, 2023 Oct 31, 2023 Palihapitiya Chamath 10% Owner Sell 20.0 -391,400 -5.21% ✗ $645.5K
Oct 24, 2023 Oct 26, 2023 Palihapitiya Chamath 10% Owner Sell 20.0 -321,473 -4.10% ✗ $567.6K
Oct 19, 2023 Oct 23, 2023 Palihapitiya Chamath 10% Owner Sell 20.0 -447,500 -5.40% ✗ $900K
Oct 16, 2023 Oct 18, 2023 Palihapitiya Chamath 10% Owner Sell 17.5 -447,043 -5.12% ✗ $1.2M
Oct 11, 2023 Oct 13, 2023 Palihapitiya Chamath 10% Owner Sell 17.5 -486,863 -5.28% ✗ $1.4M
Oct 5, 2023 Oct 10, 2023 Palihapitiya Chamath 10% Owner Sell 17.5 -277,621 -2.92% ✗ $1.2M
Sep 19, 2023 Sep 21, 2023 Palihapitiya Chamath 10% Owner Sell 16.3 -1,700,000 -45.06% ✗ $9.3M
Aug 25, 2023 Aug 29, 2023 Weber Darin J. SVP of Regulatory Development Neutral 52.5 - 0.00% ✗ -
Aug 1, 2023 Aug 3, 2023 Culleton Bruce EVP, Clinical Development Neutral 52.5 - 0.00% ✗ -
Jul 25, 2023 Culleton Bruce EVP, Clinical Development Neutral 52.5 - 0.00% ✗ -
Jul 12, 2023 Jul 13, 2023 Fox Jennifer A. Director Neutral 52.5 - 0.00% ✗ -
Jun 29, 2023 Jul 3, 2023 Sinha Uma Director Neutral 52.5 - 0.00% ✗ -
Jun 29, 2023 Jul 3, 2023 Pereira Brian JG Director Neutral 52.5 - 0.00% ✗ -
Jun 29, 2023 Jul 3, 2023 MARAGANORE JOHN Director Neutral 52.5 - 0.00% ✗ -
Jun 29, 2023 Jul 3, 2023 Lotvin Alan Director Neutral 52.5 - 0.00% ✗ -
Jun 29, 2023 Jul 3, 2023 Legorreta Pablo G. Director Neutral 52.5 - 0.00% ✗ -
Jun 29, 2023 Jul 3, 2023 Jimenez Santos Jose Ignacio Director Neutral 52.5 - 0.00% ✗ -
Jun 29, 2023 Jul 3, 2023 DOYLE WILLIAM F Director Neutral 52.5 - 0.00% ✗ -
Mar 31, 2023 Apr 4, 2023 Cowen Aaron 10% Owner Neutral 27.5 -2,229,500 -35.50% ✗ -
Jan 16, 2023 Jan 18, 2023 Weger Mary Chief People Officer Neutral 52.5 - 0.00% ✗ -
Jan 16, 2023 Jan 18, 2023 Weber Darin J. SVP of Regulatory Development Neutral 52.5 - 0.00% ✗ -
Jan 16, 2023 Jan 18, 2023 McKenzie Libbie Parker Chief Medical Officer Neutral 52.5 - 0.00% ✗ -
Jan 16, 2023 Jan 18, 2023 Jain Deepak COO Neutral 52.5 - 0.00% ✗ -
Jan 16, 2023 Jan 18, 2023 Girolamo Todd C Chief Legal Officer Neutral 52.5 - 0.00% ✗ -
Jan 16, 2023 Jan 18, 2023 Coulston James CFO Neutral 52.5 - 0.00% ✗ -
Jan 16, 2023 Jan 18, 2023 Bertram Timothy CEO Neutral 52.5 - 0.00% ✗ -
Dec 1, 2022 Jan 6, 2023 Weger Mary Chief People Officer Neutral 52.5 - 0.00% ✗ -
Jan 6, 2023 Weger Mary Chief People Officer Neutral 52.5 - 0.00% ✗ -
Oct 20, 2022 Oct 24, 2022 Weber Darin J. SVP of Regulatory Development Neutral 52.5 - 0.00% ✗ -
Oct 20, 2022 Oct 24, 2022 McKenzie Libbie Parker Chief Medical Officer Neutral 52.5 - 0.00% ✗ -
Oct 20, 2022 Oct 24, 2022 Jain Deepak COO Neutral 52.5 - 0.00% ✗ -
Oct 20, 2022 Oct 24, 2022 Girolamo Todd C Chief Legal Officer Neutral 52.5 - 0.00% ✗ -
Oct 20, 2022 Oct 24, 2022 Coulston James CFO Neutral 52.5 - 0.00% ✗ -
Oct 20, 2022 Oct 24, 2022 Bertram Timothy CEO Neutral 52.5 - 0.00% ✗ -
Sep 20, 2022 Sep 22, 2022 Fox Jennifer A. Director Neutral 52.5 - 0.00% ✗ -
Sep 6, 2022 Sep 8, 2022 Cowen Aaron 10% Owner Buy 56.3 +7,007 0.11% ✗ $49K
Aug 30, 2022 Sep 1, 2022 Cowen Aaron 10% Owner Buy 56.3 +3,868 0.06% ✗ $33.5K
Jul 21, 2022 Cowen Aaron 10% Owner Neutral 52.5 - 0.00% ✗ -