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Company profile

Prokidney Corp. Insider Trading

PROK

Every SEC Form 4 insider trading filing for Prokidney Corp. (PROK) since April 2023: open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?

Exchange
Nasdaq
Sector
Biological Products, (No Diagnostic Substances)
CIK
0001850270
Filings
90
Insiders
20
Last filing
2026-08-20
SEC EDGAR ↗Yahoo Finance ↗Finviz ↗Stock Analysis ↗

Activity summary

No insider transactions in the last 30 days. The most recent was on August 20, 2026, when Brian JG Pereira sold 222,948 shares. 90 filings from 20 insiders are on record below.

Three year balance

Buy and sell value by quarter, Q4 23 to Q3 26. Prokidney Corp. insiders are net buyers across the period shown.

PurchasesSales
Q4 23Q1 24$74.7MQ2 24Q3 24Q4 24Q1 25Q2 25Q3 25Q4 25Q1 26Q2 26Q3 26

Bars below the rule are sales, above are purchases. Largest quarter on the chart is $74.7M.

90 day insight

Over the last 90 days, Prokidney Corp. insiders sold $1.1M across 6 transactions with no open-market purchases.

  • Most active insider: Brian JG Pereira with 12 transactions totaling $1.1M.
  • Largest single sale: $321K by Brian JG Pereira on Aug 19, 2026.

Activity skews bearish: sales outpace buys.

Insider Transactions

Sourced from SEC EDGAR Form 4 filings. Updated hourly.

DateInsiderCompanyTypeSharesPriceValueReturn
Aug 20, 2026Brian JG PereiraPROK
Sale
222,948$1.42$317K+29.3% 1m
Aug 20, 2026Brian JG PereiraPROK
Sale
27,052$1.42$38K+29.3% 1m
Aug 19, 2026Brian JG PereiraPROK
Sale
222,949$1.44$321K+29.3% 1m
Aug 19, 2026Brian JG PereiraPROK
Sale
27,051$1.44$39K+29.3% 1m
Aug 18, 2026Brian JG PereiraPROK
Sale
229,338$1.37$314K+29.3% 1m

45 more transactions hidden

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Top insiders

By open-market value traded.

Brian JG Pereira10 filings−$3.0M
Control Empresarial de Capitales S.A. de C.V.4 filings+$696K
Darin J. WeberSVP of Regulatory Development1 filing−$313K

Institutional Ownership

Top 13F-HR holders of Prokidney Corp. as of 2026-06-30

↓ decreasing
Total reported AUM
$17.6M
QoQ change
-76.3%
Reporting period
2026-06-30
#1
BlackRock, Inc.
CIK 0002012383
$5.3M
2.6M shares
#2
BlackRock, Inc.
CIK 0002012383
$4.5M
2.2M shares
#3
Hennion & Walsh Asset Management, Inc.
CIK 0001861642
$3.8M
1.8M shares

Data source: quarterly 13F-HR filings: institutional holders report positions within 45 days of quarter end. Joined with insider activity above: see who's loading up institutionally while insiders are trading. Full 13F-HR API →

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Form4API, StockholmNot affiliated with the SEC or EDGAR. Data sourced from public EDGAR filings. Not investment advice.

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