PROK
ProKidney Corp.
NASDAQ: PROK · HEALTHCARE · BIOTECHNOLOGY
$1.82
-0.55% today
Updated 2026-04-29
Market cap
$552.59M
P/E ratio
—
P/S ratio
618.80x
EPS (TTM)
$-0.52
Dividend yield
—
52W range
$1 – $6
Volume
0.8M
ProKidney Corp. (PROK) Insider transactions
Net insider activity
Net buying (27,545,685 shares)
Buy transactions
51
Sell transactions
49
All transactions
| Date | Insider | Title | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-03-01 | WEBER, DARIN J. | Chief Regulatory Officer | Buy | 400,000 | — | — |
| 2026-03-01 | GIROLAMO, TODD C | Chief Legal Officer | Buy | 600,000 | — | — |
| 2026-03-01 | CULLETON, BRUCE | Director, Chief Executive Officer | Buy | 3,000,000 | — | — |
| 2026-03-01 | COULSTON, JAMES | Chief Financial Officer | Buy | 600,000 | — | — |
| 2025-11-13 | PEREIRA, BRIAN JG | Director | Sale | 447,803 | $2.37 | $1.06M |
| 2025-11-13 | PEREIRA, BRIAN JG | Director | Sale | 54,333 | $2.37 | $128769.21 |
| 2025-11-12 | PEREIRA, BRIAN JG | Director | Sale | 227,431 | $2.72 | $619362.84 |
| 2025-11-12 | PEREIRA, BRIAN JG | Director | Sale | 27,595 | $2.72 | $75152.22 |
| 2025-07-08 | WEBER, DARIN J. | Chief Regulatory Officer | Sale | 103,480 | $3.02 | $312509.60 |
| 2025-06-03 | LEGORRETA, PABLO G. | Director, 10% Owner | Sale | 3,823,996 | — | — |
| 2025-06-03 | LEGORRETA, PABLO G. | Director, 10% Owner | Sale | 3,823,996 | — | — |
| 2025-06-03 | LEGORRETA, PABLO G. | Director, 10% Owner | Buy | 3,823,996 | — | — |
| 2025-05-29 | SINHA, UMA | Director | Buy | 125,862 | — | — |
| 2025-05-29 | PEREIRA, BRIAN JG | Director | Buy | 125,862 | — | — |
| 2025-05-29 | LOTVIN, ALAN | Director | Buy | 125,862 | — | — |
| 2025-05-29 | LEGORRETA, PABLO G. | Director, 10% Owner | Buy | 125,862 | — | — |
| 2025-05-29 | JIMENEZ, SANTOS JOSE IGNACIO | Director | Buy | 125,862 | — | — |
| 2025-05-29 | FOX, JENNIFER A. | Director | Buy | 125,862 | — | — |
| 2025-05-29 | DOYLE, WILLIAM F | Director | Buy | 125,862 | — | — |
| 2025-04-22 | CONTROL, EMPRESARIAL DE CAPITALES S.A. DE C.V. | 10% Owner, Add'l Rep. Persons-see Ex.99-1 | Buy | 387,393 | $0.71 | $276366.17 |
| 2025-04-17 | CONTROL, EMPRESARIAL DE CAPITALES S.A. DE C.V. | 10% Owner, Add'l Rep. Persons-see Ex.99-1 | Buy | 25,000 | $0.75 | $18690.00 |
| 2025-04-16 | CONTROL, EMPRESARIAL DE CAPITALES S.A. DE C.V. | 10% Owner, Add'l Rep. Persons-see Ex.99-1 | Buy | 100,000 | $0.75 | $74820.00 |
| 2025-04-15 | CONTROL, EMPRESARIAL DE CAPITALES S.A. DE C.V. | 10% Owner, Add'l Rep. Persons-see Ex.99-1 | Buy | 468,000 | $0.70 | $326008.80 |
| 2025-04-14 | CONTROL, EMPRESARIAL DE CAPITALES S.A. DE C.V. | 10% Owner, Add'l Rep. Persons-see Ex.99-1 | Buy | 268,105 | $0.73 | $194590.61 |
| 2025-04-11 | CONTROL, EMPRESARIAL DE CAPITALES S.A. DE C.V. | 10% Owner, Add'l Rep. Persons-see Ex.99-1 | Buy | 1,900 | $0.61 | $1155.39 |
| 2025-04-10 | CONTROL, EMPRESARIAL DE CAPITALES S.A. DE C.V. | 10% Owner, Add'l Rep. Persons-see Ex.99-1 | Buy | 1,032,218 | $0.61 | $627691.77 |
| 2025-03-01 | WEBER, DARIN J. | Chief Regulatory Officer | Buy | 450,000 | — | — |
| 2025-03-01 | GIROLAMO, TODD C | Chief Legal Officer | Buy | 650,000 | — | — |
| 2025-03-01 | CULLETON, BRUCE | Director, Chief Executive Officer | Buy | 1,796,000 | — | — |
| 2025-03-01 | COULSTON, JAMES | Chief Financial Officer | Buy | 650,000 | — | — |
| 2025-02-04 | PEREIRA, BRIAN JG | Director | Sale | 675,234 | — | — |
| 2025-02-04 | PEREIRA, BRIAN JG | Director | Sale | 81,928 | — | — |
| 2025-02-04 | PEREIRA, BRIAN JG | Director | Sale | 675,234 | — | — |
| 2025-02-04 | PEREIRA, BRIAN JG | Director | Sale | 81,928 | — | — |
| 2025-02-04 | PEREIRA, BRIAN JG | Director | Buy | 675,234 | — | — |
| 2025-02-04 | PEREIRA, BRIAN JG | Director | Buy | 81,928 | — | — |
| 2025-02-04 | LEGORRETA, PABLO G. | Director, 10% Owner | Sale | 532,535 | — | — |
| 2025-02-04 | LEGORRETA, PABLO G. | Director, 10% Owner | Sale | 532,535 | — | — |
| 2025-02-04 | LEGORRETA, PABLO G. | Director, 10% Owner | Sale | 532,535 | — | — |
| 2024-09-19 | WEBER, DARIN J. | Chief Regulatory Officer | Sale | 16,412 | $2.50 | $41030.00 |
| 2024-09-13 | CULLETON, BRUCE | Director, Chief Executive Officer | Buy | 500,000 | — | — |
| 2024-09-03 | FOX, JENNIFER A. | Director | Buy | 9,535 | — | — |
| 2024-07-31 | GIROLAMO, TODD C | Chief Legal Officer | Sale | 81,928 | — | — |
| 2024-07-31 | GIROLAMO, TODD C | Chief Legal Officer | Sale | 81,928 | — | — |
| 2024-07-31 | GIROLAMO, TODD C | Chief Legal Officer | Buy | 81,928 | — | — |
| 2024-07-26 | WEBER, DARIN J. | Chief Regulatory Officer | Sale | 826 | $2.50 | $2065.00 |
| 2024-06-18 | WEBER, DARIN J. | Chief Regulatory Officer | Sale | 17,238 | $2.82 | $48616.33 |
| 2024-06-13 | LEGORRETA, PABLO G. | Director, 10% Owner | Buy | 22,617,909 | $2.42 | $54.74M |
| 2024-06-11 | CONTROL, EMPRESARIAL DE CAPITALES S.A. DE C.V. | 10% Owner, Add'l Rep. Persons-see Ex.99-1 | Buy | 8,264,462 | $2.42 | $20.00M |
| 2024-05-30 | SINHA, UMA | Director | Buy | 62,558 | — | — |
| 2024-05-30 | PEREIRA, BRIAN JG | Director | Buy | 62,558 | — | — |
| 2024-05-30 | LOTVIN, ALAN | Director | Buy | 62,558 | — | — |
| 2024-05-30 | LEGORRETA, PABLO G. | Director | Buy | 62,558 | — | — |
| 2024-05-30 | JIMENEZ, SANTOS JOSE IGNACIO | Director | Buy | 62,558 | — | — |
| 2024-05-30 | FOX, JENNIFER A. | Director | Buy | 62,558 | — | — |
| 2024-05-30 | DOYLE, WILLIAM F | Director | Buy | 62,558 | — | — |
| 2024-05-20 | WEBER, DARIN J. | Chief Regulatory Officer | Sale | 17,238 | $4.08 | $70386.20 |
| 2024-04-22 | WEBER, DARIN J. | SVP of Regulatory Development | Sale | 16,438 | $2.51 | $41315.27 |
| 2024-04-18 | WEBER, DARIN J. | SVP of Regulatory Development | Sale | 800 | $2.54 | $2028.00 |
| 2024-04-16 | WEBER, DARIN J. | SVP of Regulatory Development | Sale | 17,238 | $2.50 | $43095.00 |
| 2024-04-12 | WEBER, DARIN J. | SVP of Regulatory Development | Sale | 84,103 | $1.73 | $145498.19 |
| 2024-04-01 | WEBER, DARIN J. | SVP of Regulatory Development | Sale | 300 | $1.69 | $507.00 |
| 2024-04-01 | ERNST, ULRICH PETER ALFRED | EVP, Technical Operations | Buy | 335,000 | — | — |
| 2024-03-25 | CONTROL, EMPRESARIAL DE CAPITALES S.A. DE C.V. | 10% Owner, Add'l Rep. Persons-see Ex.99-1 | Buy | 30,000 | $1.43 | $42954.00 |
| 2024-03-22 | CONTROL, EMPRESARIAL DE CAPITALES S.A. DE C.V. | 10% Owner, Add'l Rep. Persons-see Ex.99-1 | Buy | 14,000 | $1.40 | $19586.00 |
| 2024-03-20 | CONTROL, EMPRESARIAL DE CAPITALES S.A. DE C.V. | 10% Owner, Add'l Rep. Persons-see Ex.99-1 | Buy | 33,000 | $1.40 | $46110.90 |
| 2024-03-14 | CONTROL, EMPRESARIAL DE CAPITALES S.A. DE C.V. | 10% Owner, Add'l Rep. Persons-see Ex.99-1 | Buy | 50,000 | $1.36 | $67925.00 |
| 2024-03-13 | CONTROL, EMPRESARIAL DE CAPITALES S.A. DE C.V. | 10% Owner, Add'l Rep. Persons-see Ex.99-1 | Buy | 50,000 | $1.50 | $75090.00 |
| 2024-03-01 | WEBER, DARIN J. | SVP of Regulatory Development | Buy | 225,000 | — | — |
| 2024-03-01 | WEBER, DARIN J. | SVP of Regulatory Development | Buy | 117,264 | — | — |
| 2024-03-01 | GIROLAMO, TODD C | Chief Legal Officer | Buy | 300,000 | — | — |
| 2024-03-01 | GIROLAMO, TODD C | Chief Legal Officer | Buy | 234,742 | — | — |
| 2024-03-01 | COULSTON, JAMES | Chief Financial Officer | Buy | 275,000 | — | — |
| 2024-02-05 | WEBER, DARIN J. | SVP of Regulatory Development | Sale | 137,073 | — | — |
| 2024-02-05 | WEBER, DARIN J. | SVP of Regulatory Development | Sale | 137,073 | — | — |
| 2024-02-05 | WEBER, DARIN J. | SVP of Regulatory Development | Buy | 137,073 | — | — |
| 2024-02-05 | LEGORRETA, PABLO G. | Director, 10% Owner | Sale | 748,952 | — | — |
| 2024-02-05 | LEGORRETA, PABLO G. | Director, 10% Owner | Sale | 748,952 | — | — |
| 2024-02-05 | LEGORRETA, PABLO G. | Director, 10% Owner | Sale | 748,952 | — | — |
| 2024-02-05 | GIROLAMO, TODD C | Chief Legal Officer | Sale | 81,928 | — | — |
| 2024-02-05 | GIROLAMO, TODD C | Chief Legal Officer | Sale | 81,928 | — | — |
| 2024-02-05 | GIROLAMO, TODD C | Chief Legal Officer | Buy | 81,928 | — | — |
| 2023-12-03 | CULLETON, BRUCE | Director, Chief Executive Officer | Buy | 2,000,000 | — | — |
| 2023-11-19 | PALIHAPITIYA, CHAMATH | Former 10% Owner | Sale | 5,183,367 | $1.31 | $6.79M |
| 2023-11-19 | PALIHAPITIYA, CHAMATH | Former 10% Owner | Sale | 2,073,000 | $1.31 | $2.71M |
| 2023-11-17 | PALIHAPITIYA, CHAMATH | 10% Owner | Sale | 258,400 | $1.19 | $308400.40 |
| 2023-11-16 | PALIHAPITIYA, CHAMATH | 10% Owner | Sale | 212,100 | $1.22 | $259398.30 |
| 2023-11-15 | PALIHAPITIYA, CHAMATH | 10% Owner | Sale | 282,300 | $1.49 | $420147.09 |
| 2023-11-14 | PALIHAPITIYA, CHAMATH | 10% Owner | Sale | 306,200 | $1.50 | $459085.66 |
| 2023-11-13 | PALIHAPITIYA, CHAMATH | 10% Owner | Sale | 88,700 | $1.57 | $139675.89 |
| 2023-11-10 | PALIHAPITIYA, CHAMATH | 10% Owner | Sale | 85,900 | $1.61 | $138410.67 |
| 2023-11-09 | PALIHAPITIYA, CHAMATH | 10% Owner | Sale | 95,900 | $1.68 | $160699.63 |
| 2023-11-08 | PALIHAPITIYA, CHAMATH | 10% Owner | Sale | 59,000 | $1.66 | $97763.00 |
| 2023-11-07 | PALIHAPITIYA, CHAMATH | 10% Owner | Sale | 71,233 | $1.59 | $113367.32 |
| 2023-11-06 | PALIHAPITIYA, CHAMATH | 10% Owner | Sale | 79,600 | $1.56 | $123817.80 |
| 2023-11-03 | PALIHAPITIYA, CHAMATH | 10% Owner | Sale | 148,300 | $1.73 | $256470.02 |
| 2023-11-02 | PALIHAPITIYA, CHAMATH | 10% Owner | Sale | 133,700 | $1.73 | $231956.13 |
| 2023-11-01 | PALIHAPITIYA, CHAMATH | 10% Owner | Sale | 123,400 | $1.62 | $199673.54 |
| 2023-10-31 | PALIHAPITIYA, CHAMATH | 10% Owner | Sale | 141,900 | $1.69 | $239300.16 |
| 2023-10-30 | PALIHAPITIYA, CHAMATH | 10% Owner | Sale | 157,000 | $1.65 | $259536.70 |