PROKIDNEY CORP. Insider Trading Activity
Every SEC Form 4 insider transaction reported for PROKIDNEY CORP. (PROK), sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud · Insider-trading data from SEC EDGAR
Latest filing:
Compiled automatically from SEC EDGAR Form 4 filings and refreshed daily. Figures count purchases (code P) and sales (code S) only — not grants, option exercises, or gifts. How this page is built. Not investment advice.
Quick Answer
Are PROK insiders buying or selling?
In the last 12 months, PROKIDNEY CORP. insiders reported 0 open-market purchases ($0) and 2 sales ($3.0M) — net selling of $3.0M. Since September 2022, Trabud has recorded 32 Form 4 filings for PROK: 10 buys ($76.6M) and 22 sells ($31.3M).
Source: SEC EDGAR Form 4
What stands out
- No PROKIDNEY CORP. insider made an open-market purchase in the last 12 months; the 2 reported open-market sales totaled $3.0M.
Key Statistics (September 2022 – Aug 20, 2026)
Total Form 4 filings
32
SEC EDGAR
Insider filers
6
Insider buys (10)
$76.6M
Insider sells (22)
$31.3M
Insider sentiment
Net buyingNet insider flow of $45.3M in net buying since September 2022, and $3.0M in net selling over the last 12 months.
Recent PROK insider transactions
| Date | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Aug 20, 2026 | Brian JG Pereira | Director | Sale | 757.2K | $1.41 | $1.1M | SEC ↗ |
| Nov 14, 2025 | Brian JG Pereira | Director | Sale | 757.2K | $2.49 | $1.9M | SEC ↗ |
| Jul 9, 2025 | Darin J. Weber | Chief Regulatory Officer | Sale | 103.5K | $3.02 | $312.5K | SEC ↗ |
| Apr 24, 2025 | Control Empresarial de Capitales S.A. de C.V. | Other, 10% Owner | Purchase | 387.4K | $0.71 | $276.4K | SEC ↗ |
| Apr 21, 2025 | Control Empresarial de Capitales S.A. de C.V. | Other, 10% Owner | Purchase | 25.0K | $0.75 | $18.7K | SEC ↗ |
| Apr 18, 2025 | Control Empresarial de Capitales S.A. de C.V. | Other, 10% Owner | Purchase | 100.0K | $0.75 | $74.8K | SEC ↗ |
| Apr 16, 2025 | Control Empresarial de Capitales S.A. de C.V. | Other, 10% Owner | Purchase | 736.1K | $0.71 | $520.6K | SEC ↗ |
| Apr 14, 2025 | Control Empresarial de Capitales S.A. de C.V. | Other, 10% Owner | Purchase | 1.0M | $0.61 | $628.8K | SEC ↗ |
| Sep 20, 2024 | Darin J. Weber | Chief Regulatory Officer | Sale | 16.4K | $2.50 | $41.0K | SEC ↗ |
| Jul 29, 2024 | Darin J. Weber | Chief Regulatory Officer | Sale | 826 | $2.50 | $2.1K | SEC ↗ |
| Jun 25, 2024 | Control Empresarial de Capitales S.A. de C.V. | Other, 10% Owner | Purchase | 8.3M | $2.42 | $20.0M | SEC ↗ |
| Jun 20, 2024 | Darin J. Weber | Chief Regulatory Officer | Sale | 17.2K | $2.82 | $48.6K | SEC ↗ |
| Jun 14, 2024 | Pablo G. Legorreta | Director, 10% Owner | Purchase | 22.6M | $2.42 | $54.7M | SEC ↗ |
| May 22, 2024 | Darin J. Weber | Chief Regulatory Officer | Sale | 17.2K | $4.08 | $70.4K | SEC ↗ |
| May 17, 2024 | Control Empresarial de Capitales S.A. de C.V. | Other, 10% Owner | Purchase | 177.0K | $1.42 | $251.7K | SEC ↗ |
| Apr 23, 2024 | Darin J. Weber | SVP of Regulatory Development | Sale | 17.2K | $2.51 | $43.3K | SEC ↗ |
| Apr 17, 2024 | Darin J. Weber | SVP of Regulatory Development | Sale | 17.2K | $2.50 | $43.1K | SEC ↗ |
| Apr 16, 2024 | Darin J. Weber | SVP of Regulatory Development | Sale | 84.4K | $1.73 | $146.0K | SEC ↗ |
| Nov 21, 2023 | Palihapitiya Chamath | Other | Sale | 7.3M | $1.31 | $9.5M | SEC ↗ |
| Nov 18, 2023 | Palihapitiya Chamath | 10% Owner | Sale | 752.8K | $1.31 | $987.9K | SEC ↗ |
| Nov 15, 2023 | Palihapitiya Chamath | 10% Owner | Sale | 576.7K | $1.56 | $897.9K | SEC ↗ |
| Nov 9, 2023 | Palihapitiya Chamath | 10% Owner | Sale | 209.8K | $1.60 | $334.9K | SEC ↗ |
| Nov 4, 2023 | Palihapitiya Chamath | 10% Owner | Sale | 405.4K | $1.70 | $688.1K | SEC ↗ |
| Nov 1, 2023 | Palihapitiya Chamath | 10% Owner | Sale | 391.4K | $1.65 | $645.5K | SEC ↗ |
| Oct 27, 2023 | Palihapitiya Chamath | 10% Owner | Sale | 321.5K | $1.77 | $567.6K | SEC ↗ |
Showing the 25 most recent of 32 Form 4 filings for PROKIDNEY CORP..
Most active PROK insiders
- Palihapitiya Chamath12 filings
- Darin J. Weber8 filings
- Control Empresarial de Capitales S.A. de C.V.7 filings
- Brian JG Pereira2 filings
- Aaron Cowen2 filings
Ask anything about PROK insider activity
Use Trabud's AI agent to query PROKIDNEY CORP.'s Form 4 history in plain English — "Show me PROK CEO purchases this year" or compare it against any other ticker.
Open the AI agentPROK insider trading FAQ
Are PROKIDNEY CORP. insiders buying or selling?
In the last 12 months, PROKIDNEY CORP. insiders reported 0 open-market purchases ($0) and 2 sales ($3.0M) — net selling of $3.0M. Since September 2022, Trabud has recorded 32 Form 4 filings for PROK: 10 buys ($76.6M) and 22 sells ($31.3M). Over the full record that is net buying of $45.3M.
How many insiders trade PROK stock?
6 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for PROKIDNEY CORP.. The most recent filing was accepted on Aug 20, 2026.
Where does Trabud get PROK insider trading data?
All PROK insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.