PROKPROKIDNEY CORP. insider trades
No insider bought or sold Prokidney Corp. (PROK) shares on the open market in the last 90 days. The latest Form 4 transaction on record was filed on Oct 30.
- Market cap
- $516.94M
- as of 2026-10-30
- Latest close
- $1.29
- as of 2026-10-30
- Sector
- Healthcare
- as of 2026-10-30
- Industry
- Biotechnology
- as of 2026-10-30
Cluster
No cluster in the last 90 days under the default rule (14d · ≥2 insiders · all roles).
Form 4 historysince 2023-10-10
Showing the latest 100 of 154 transactions. Search the ledger for PROK
| Insider | Traded | Filed | Type | Shares | Price | Value | Owned after | 10b5-1 plan | Filing |
|---|---|---|---|---|---|---|---|---|---|
| Weber Darin J.Chief Regulatory Officer | Oct 28 | Oct 30 | C | 200,000 | $0.00 | $0 | 200,000 | No | Form 4 |
| Weber Darin J.Chief Regulatory Officer | Oct 28 | Oct 30 | C · derivative | 200,000 | $0.00 | $0 | 202,283 | No | Form 4 |
| Weber Darin J.Chief Regulatory Officer | Oct 28 | Oct 30 | C · derivative | 200,000 | $0.00 | $0 | 202,283 | No | Form 4 |
| Pereira Brian JG | Aug 20 | Aug 20 | S | 222,948 | $1.42 | Sale −$316,586 | not reported | No | Form 4 |
| Pereira Brian JG | Aug 20 | Aug 20 | S | 27,052 | $1.42 | Sale −$38,414 | not reported | No | Form 4 |
| Pereira Brian JG | Aug 19 | Aug 20 | S | 222,949 | $1.44 | Sale −$321,047 | 222,948 | No | Form 4 |
| Pereira Brian JG | Aug 19 | Aug 20 | S | 27,051 | $1.44 | Sale −$38,953 | 27,052 | No | Form 4 |
| Pereira Brian JG | Aug 18 | Aug 20 | S | 229,338 | $1.37 | Sale −$314,193 | 445,897 | No | Form 4 |
| Pereira Brian JG | Aug 18 | Aug 20 | S | 27,826 | $1.37 | Sale −$38,122 | 54,103 | No | Form 4 |
| Pereira Brian JG | Aug 4 | Aug 6 | C | 81,929 | $0.00 | $0 | 81,929 | No | Form 4 |
| Pereira Brian JG | Aug 4 | Aug 6 | C | 675,235 | $0.00 | $0 | 675,235 | No | Form 4 |
| Pereira Brian JG | Aug 4 | Aug 6 | C · derivative | 81,929 | $0.00 | $0 | not reported | No | Form 4 |
| Pereira Brian JG | Aug 4 | Aug 6 | C · derivative | 81,929 | $0.00 | $0 | not reported | No | Form 4 |
| Pereira Brian JG | Aug 4 | Aug 6 | C · derivative | 675,235 | $0.00 | $0 | not reported | No | Form 4 |
| Pereira Brian JG | Aug 4 | Aug 6 | C · derivative | 675,235 | $0.00 | $0 | not reported | No | Form 4 |
| Locke Kenneth ThomasChief Technical Officer | Jul 1 | Jul 6 | A · derivative | 750,000 | $1.89 | $1,417,500 | 750,000 | No | Form 4 |
| Girolamo Todd CChief Legal Officer | Jun 12 | Jun 15 | C | 163,857 | $0.00 | $0 | 327,713 | No | Form 4 |
| Girolamo Todd CChief Legal Officer | Jun 12 | Jun 15 | C · derivative | 163,857 | $0.00 | $0 | not reported | No | Form 4 |
| Girolamo Todd CChief Legal Officer | Jun 12 | Jun 15 | C · derivative | 163,857 | $0.00 | $0 | not reported | No | Form 4 |
| Pereira Brian JG | May 28 | May 29 | A · derivative | 135,000 | $1.81 | $244,350 | 135,000 | No | Form 4 |
| Legorreta Pablo G. | May 28 | May 29 | A · derivative | 135,000 | $1.81 | $244,350 | 135,000 | No | Form 4 |
| Sinha Uma | May 28 | May 29 | A · derivative | 135,000 | $1.81 | $244,350 | 135,000 | No | Form 4 |
| Doyle William F | May 28 | May 29 | A · derivative | 135,000 | $1.81 | $244,350 | 135,000 | No | Form 4 |
| Fox Jennifer A. | May 28 | May 29 | A · derivative | 135,000 | $1.81 | $244,350 | 135,000 | No | Form 4 |
| Jimenez Santos Jose Ignacio | May 28 | May 29 | A · derivative | 135,000 | $1.81 | $244,350 | 135,000 | No | Form 4 |
| Lotvin Alan | May 28 | May 29 | A · derivative | 135,000 | $1.81 | $244,350 | 135,000 | No | Form 4 |
| Control Empresarial de Capitales S.A. de C.V. | Apr 28 | Apr 30 | C | 63,118,645 | $0.00 | $0 | 73,842,723 | No | Form 4 |
| Control Empresarial de Capitales S.A. de C.V. | Apr 28 | Apr 30 | C · derivative | 63,118,645 | $0.00 | $0 | not reported | No | Form 4 |
| Control Empresarial de Capitales S.A. de C.V. | Apr 28 | Apr 30 | C · derivative | 63,118,645 | $0.00 | $0 | not reported | No | Form 4 |
| Culleton BruceChief Executive Officer | Mar 1 | Mar 3 | A · derivative | 3,000,000 | $2.24 | $6,720,000 | 3,000,000 | No | Form 4 |
| Girolamo Todd CChief Legal Officer | Mar 1 | Mar 3 | A · derivative | 600,000 | $2.24 | $1,344,000 | 600,000 | No | Form 4 |
| Weber Darin J.Chief Regulatory Officer | Mar 1 | Mar 3 | A · derivative | 400,000 | $2.24 | $896,000 | 400,000 | No | Form 4 |
| Coulston JamesChief Financial Officer | Mar 1 | Mar 3 | A · derivative | 600,000 | $2.24 | $1,344,000 | 600,000 | No | Form 4 |
| Pereira Brian JG | Nov 13, 2025 | Nov 14, 2025 | S | 447,803 | $2.37 | Sale −$1,061,293 | not reported | No | Form 4 |
| Pereira Brian JG | Nov 13, 2025 | Nov 14, 2025 | S | 54,333 | $2.37 | Sale −$128,769 | not reported | No | Form 4 |
| Pereira Brian JG | Nov 12, 2025 | Nov 14, 2025 | S | 227,431 | $2.72 | Sale −$618,612 | 447,803 | No | Form 4 |
| Pereira Brian JG | Nov 12, 2025 | Nov 14, 2025 | S | 27,595 | $2.72 | Sale −$75,058 | 54,333 | No | Form 4 |
| Weber Darin J.Chief Regulatory Officer | Jul 8, 2025 | Jul 9, 2025 | S | 103,480 | $3.02 | Sale −$312,510 | not reported | Yes | Form 4 |
| Legorreta Pablo G. | Jun 3, 2025 | Jun 5, 2025 | C | 3,823,996 | $0.00 | $0 | 26,441,905 | No | Form 4 |
| Legorreta Pablo G. | Jun 3, 2025 | Jun 5, 2025 | J | 3,823,996 | $0.00 | $0 | 22,617,909 | No | Form 4 |
| Legorreta Pablo G. | Jun 3, 2025 | Jun 5, 2025 | C · derivative | 3,823,996 | $0.00 | $0 | 84,283,430 | No | Form 4 |
| Legorreta Pablo G. | Jun 3, 2025 | Jun 5, 2025 | C · derivative | 3,823,996 | $0.00 | $0 | 84,283,430 | No | Form 4 |
| Lotvin Alan | May 29, 2025 | Jun 2, 2025 | A · derivative | 125,862 | $0.72 | $90,621 | 125,862 | No | Form 4 |
| Doyle William F | May 29, 2025 | Jun 2, 2025 | A · derivative | 125,862 | $0.72 | $90,621 | 125,862 | No | Form 4 |
| Fox Jennifer A. | May 29, 2025 | Jun 2, 2025 | A · derivative | 125,862 | $0.72 | $90,621 | 125,862 | No | Form 4 |
| Jimenez Santos Jose Ignacio | May 29, 2025 | Jun 2, 2025 | A · derivative | 125,862 | $0.72 | $90,621 | 125,862 | No | Form 4 |
| Pereira Brian JG | May 29, 2025 | Jun 2, 2025 | A · derivative | 125,862 | $0.72 | $90,621 | 125,862 | No | Form 4 |
| Sinha Uma | May 29, 2025 | Jun 2, 2025 | A · derivative | 125,862 | $0.72 | $90,621 | 125,862 | No | Form 4 |
| Legorreta Pablo G. | May 29, 2025 | Jun 2, 2025 | A · derivative | 125,862 | $0.72 | $90,621 | 125,862 | No | Form 4 |
| Control Empresarial de Capitales S.A. de C.V. | Apr 22, 2025 | Apr 24, 2025 | P | 387,393 | $0.71 | Purchase +$275,049 | 73,842,723 | No | Form 4 |
| Control Empresarial de Capitales S.A. de C.V. | Apr 17, 2025 | Apr 21, 2025 | P | 25,000 | $0.75 | Purchase +$18,750 | 73,455,330 | No | Form 4 |
| Control Empresarial de Capitales S.A. de C.V. | Apr 16, 2025 | Apr 18, 2025 | P | 100,000 | $0.75 | Purchase +$75,000 | 73,430,330 | No | Form 4 |
| Control Empresarial de Capitales S.A. de C.V. | Apr 15, 2025 | Apr 16, 2025 | P | 468,000 | $0.70 | Purchase +$327,600 | 73,330,330 | No | Form 4 |
| Control Empresarial de Capitales S.A. de C.V. | Apr 14, 2025 | Apr 16, 2025 | P | 268,105 | $0.73 | Purchase +$195,717 | 72,862,330 | No | Form 4 |
| Control Empresarial de Capitales S.A. de C.V. | Apr 11, 2025 | Apr 14, 2025 | P | 1,900 | $0.61 | Purchase +$1,159 | 72,594,225 | No | Form 4 |
| Control Empresarial de Capitales S.A. de C.V. | Apr 10, 2025 | Apr 14, 2025 | P | 1,032,218 | $0.61 | Purchase +$629,653 | 72,592,325 | No | Form 4 |
| Coulston JamesChief Financial Officer | Mar 1, 2025 | Mar 4, 2025 | A · derivative | 650,000 | $1.23 | $799,500 | 650,000 | No | Form 4 |
| Girolamo Todd CChief Legal Officer | Mar 1, 2025 | Mar 4, 2025 | A · derivative | 650,000 | $1.23 | $799,500 | 650,000 | No | Form 4 |
| Weber Darin J.Chief Regulatory Officer | Mar 1, 2025 | Mar 4, 2025 | A · derivative | 450,000 | $1.23 | $553,500 | 450,000 | No | Form 4 |
| Culleton BruceChief Executive Officer | Mar 1, 2025 | Mar 4, 2025 | A · derivative | 1,796,000 | $1.23 | $2,209,080 | 1,796,000 | No | Form 4 |
| Pereira Brian JG | Feb 4, 2025 | Feb 6, 2025 | C | 81,928 | $0.00 | $0 | 81,928 | No | Form 4 |
| Pereira Brian JG | Feb 4, 2025 | Feb 6, 2025 | C | 675,234 | $0.00 | $0 | 675,234 | No | Form 4 |
| Pereira Brian JG | Feb 4, 2025 | Feb 6, 2025 | C · derivative | 81,928 | $0.00 | $0 | 81,929 | No | Form 4 |
| Pereira Brian JG | Feb 4, 2025 | Feb 6, 2025 | C · derivative | 81,928 | $0.00 | $0 | 81,929 | No | Form 4 |
| Pereira Brian JG | Feb 4, 2025 | Feb 6, 2025 | C · derivative | 675,234 | $0.00 | $0 | 675,235 | No | Form 4 |
| Pereira Brian JG | Feb 4, 2025 | Feb 6, 2025 | C · derivative | 675,234 | $0.00 | $0 | 675,235 | No | Form 4 |
| Tolerantia, LLC | Feb 4, 2025 | Feb 6, 2025 | C | 532,535 | $0.00 | $0 | 23,150,444 | No | Form 4 |
| Tolerantia, LLC | Feb 4, 2025 | Feb 6, 2025 | J | 532,535 | $0.00 | $0 | 22,617,909 | No | Form 4 |
| Tolerantia, LLC | Feb 4, 2025 | Feb 6, 2025 | C · derivative | 532,535 | $0.00 | $0 | 88,107,426 | No | Form 4 |
| Tolerantia, LLC | Feb 4, 2025 | Feb 6, 2025 | C · derivative | 532,535 | $0.00 | $0 | 88,107,426 | No | Form 4 |
| Weber Darin J.Chief Regulatory Officer | Sep 19, 2024 | Sep 20, 2024 | S | 16,412 | $2.50 | Sale −$41,030 | 103,480 | Yes | Form 4 |
| Culleton BruceChief Executive Officer | Sep 13, 2024 | Sep 16, 2024 | A · derivative | 500,000 | $1.69 | $845,000 | 500,000 | No | Form 4 |
| Fox Jennifer A. | Sep 3, 2024 | Sep 4, 2024 | A · derivative | 9,535 | $2.40 | $22,884 | 9,535 | No | Form 4 |
| Girolamo Todd CChief Legal Officer | Jul 31, 2024 | Aug 2, 2024 | C | 81,928 | $0.00 | $0 | 163,856 | No | Form 4 |
| Girolamo Todd CChief Legal Officer | Jul 31, 2024 | Aug 2, 2024 | C · derivative | 81,928 | $0.00 | $0 | 163,857 | No | Form 4 |
| Girolamo Todd CChief Legal Officer | Jul 31, 2024 | Aug 2, 2024 | C · derivative | 81,928 | $0.00 | $0 | 163,857 | No | Form 4 |
| Weber Darin J.Chief Regulatory Officer | Jul 26, 2024 | Jul 29, 2024 | S | 826 | $2.50 | Sale −$2,065 | 119,892 | Yes | Form 4 |
| Control Empresarial de Capitales S.A. de C.V. | Jun 11, 2024 | Jun 25, 2024 | P | 8,264,462 | $2.42 | Purchase +$19,999,998 | 71,560,107 | No | Form 4 |
| Weber Darin J.Chief Regulatory Officer | Jun 18, 2024 | Jun 20, 2024 | S | 17,238 | $2.82 | Sale −$48,611 | 120,718 | Yes | Form 4 |
| Legorreta Pablo G. | Jun 13, 2024 | Jun 14, 2024 | P | 22,617,909 | $2.42 | Purchase +$54,735,340 | 22,617,909 | No | Form 4 |
| Lotvin Alan | May 30, 2024 | Jun 3, 2024 | A · derivative | 62,558 | $4.20 | $262,744 | 62,558 | No | Form 4 |
| Doyle William F | May 30, 2024 | Jun 3, 2024 | A · derivative | 62,558 | $4.20 | $262,744 | 62,558 | No | Form 4 |
| Jimenez Santos Jose Ignacio | May 30, 2024 | Jun 3, 2024 | A · derivative | 62,558 | $4.20 | $262,744 | 62,558 | No | Form 4 |
| Pereira Brian JG | May 30, 2024 | Jun 3, 2024 | A · derivative | 62,558 | $4.20 | $262,744 | 62,558 | No | Form 4 |
| Legorreta Pablo G. | May 30, 2024 | Jun 3, 2024 | A · derivative | 62,558 | $4.20 | $262,744 | 62,558 | No | Form 4 |
| Sinha Uma | May 30, 2024 | Jun 3, 2024 | A · derivative | 62,558 | $4.20 | $262,744 | 62,558 | No | Form 4 |
| Fox Jennifer A. | May 30, 2024 | Jun 3, 2024 | A · derivative | 62,558 | $4.20 | $262,744 | 62,558 | No | Form 4 |
| Weber Darin J.Chief Regulatory Officer | May 20, 2024 | May 22, 2024 | S | 17,238 | $4.08 | Sale −$70,331 | 137,956 | Yes | Form 4 |
| Control Empresarial de Capitales S.A. de C.V. | Mar 25, 2024 | May 16, 2024 | P | 30,000 | $1.43 | Purchase +$42,900 | 63,295,645 | No | Form 4 |
| Control Empresarial de Capitales S.A. de C.V. | Mar 22, 2024 | May 16, 2024 | P | 14,000 | $1.40 | Purchase +$19,600 | 63,265,645 | No | Form 4 |
| Control Empresarial de Capitales S.A. de C.V. | Mar 20, 2024 | May 16, 2024 | P | 33,000 | $1.40 | Purchase +$46,200 | 63,251,645 | No | Form 4 |
| Control Empresarial de Capitales S.A. de C.V. | Mar 14, 2024 | May 16, 2024 | P | 50,000 | $1.36 | Purchase +$68,000 | 63,218,645 | No | Form 4 |
| Control Empresarial de Capitales S.A. de C.V. | Mar 13, 2024 | May 16, 2024 | P | 50,000 | $1.50 | Purchase +$75,000 | 63,168,645 | No | Form 4 |
| Weber Darin J.SVP of Regulatory Development | Apr 22, 2024 | Apr 23, 2024 | S | 16,438 | $2.51 | Sale −$41,259 | 155,194 | Yes | Form 4 |
| Weber Darin J.SVP of Regulatory Development | Apr 18, 2024 | Apr 23, 2024 | S | 800 | $2.54 | Sale −$2,032 | 171,632 | Yes | Form 4 |
| Weber Darin J.SVP of Regulatory Development | Apr 16, 2024 | Apr 17, 2024 | S | 17,238 | $2.50 | Sale −$43,095 | 172,432 | Yes | Form 4 |
| Weber Darin J.SVP of Regulatory Development | Apr 12, 2024 | Apr 16, 2024 | S | 84,103 | $1.73 | Sale −$145,498 | 189,670 | Yes | Form 4 |
| Weber Darin J.SVP of Regulatory Development | Apr 1, 2024 | Apr 16, 2024 | S | 300 | $1.69 | Sale −$507 | 273,773 | Yes | Form 4 |
| Ernst Ulrich Peter AlfredEVP, Technical Operations | Apr 1, 2024 | Apr 2, 2024 | A · derivative | 335,000 | $1.60 | $536,000 | 335,000 | No | Form 4 |
| Weber Darin J.SVP of Regulatory Development | Mar 1, 2024 | Mar 5, 2024 | A · derivative | 225,000 | $1.61 | $362,250 | 225,000 | No | Form 4 |