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Prokidney Corp. (PROK)

Prokidney Corp. (PROK) Insider Trading

Directors, officers and holders of more than 10% of PROK report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.

Recent Form 4 transactions

The 50 most recent of 73 transactions on file: 1 with code P, 11 with code S and 38 with other codes.

DateInsiderCodeShares
Oct 28, 2026Weber Darin J.C Conversion200,000
Oct 28, 2026Weber Darin J.C Conversion200,000
Oct 28, 2026Weber Darin J.C Conversion200,000
Aug 20, 2026Pereira Brian JGS Sale222,948
Aug 20, 2026Pereira Brian JGS Sale27,052
Aug 19, 2026Pereira Brian JGS Sale222,949
Aug 19, 2026Pereira Brian JGS Sale27,051
Aug 18, 2026Pereira Brian JGS Sale229,338
Aug 18, 2026Pereira Brian JGS Sale27,826
Aug 4, 2026Pereira Brian JGC Conversion675,235
Aug 4, 2026Pereira Brian JGC Conversion675,235
Aug 4, 2026Pereira Brian JGC Conversion81,929
Aug 4, 2026Pereira Brian JGC Conversion81,929
Aug 4, 2026Pereira Brian JGC Conversion81,929
Aug 4, 2026Pereira Brian JGC Conversion675,235
Jul 1, 2026Locke Kenneth ThomasA Award750,000
Jun 12, 2026Girolamo Todd CC Conversion163,857
Jun 12, 2026Girolamo Todd CC Conversion163,857
Jun 12, 2026Girolamo Todd CC Conversion163,857
May 28, 2026Lotvin AlanA Award135,000
May 28, 2026Fox Jennifer A.A Award135,000
May 28, 2026DOYLE WILLIAM FA Award135,000
May 28, 2026Legorreta Pablo G.A Award135,000
May 28, 2026Sinha UmaA Award135,000
May 28, 2026Jimenez Santos Jose IgnacioA Award135,000
May 28, 2026Pereira Brian JGA Award135,000
Apr 28, 2026Control Empresarial de Capitales S.A. de C.V.C Conversion63,118,645
Apr 28, 2026Control Empresarial de Capitales S.A. de C.V.C Conversion63,118,645
Apr 28, 2026Control Empresarial de Capitales S.A. de C.V.C Conversion63,118,645
Mar 1, 2026Girolamo Todd CA Award600,000
Mar 1, 2026Coulston JamesA Award600,000
Mar 1, 2026Culleton BruceA Award3,000,000
Mar 1, 2026Weber Darin J.A Award400,000
Nov 13, 2025Pereira Brian JGS Sale54,333
Nov 13, 2025Pereira Brian JGS Sale447,803
Nov 12, 2025Pereira Brian JGS Sale227,431
Nov 12, 2025Pereira Brian JGS Sale27,595
Jul 8, 2025Weber Darin J.S Sale103,480
Jun 3, 2025Legorreta Pablo G.C Conversion3,823,996
Jun 3, 2025Legorreta Pablo G.C Conversion3,823,996
Jun 3, 2025Legorreta Pablo G.J Other3,823,996
Jun 3, 2025Legorreta Pablo G.C Conversion3,823,996
May 29, 2025Legorreta Pablo G.A Award125,862
May 29, 2025Sinha UmaA Award125,862
May 29, 2025Fox Jennifer A.A Award125,862
May 29, 2025Lotvin AlanA Award125,862
May 29, 2025DOYLE WILLIAM FA Award125,862
May 29, 2025Jimenez Santos Jose IgnacioA Award125,862
May 29, 2025Pereira Brian JGA Award125,862
Apr 22, 2025Control Empresarial de Capitales S.A. de C.V.P Purchase387,393

The full Form 4 history is on the PROK company page (Insider Trades card, View all).

Questions about this data

Which insider transactions are open-market trades?

Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.

How quickly are insider trades reported?

A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.

Who has to file Form 4?

Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.

Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.