Prokidney Corporation.

PROK·NASDAQ·$1.69Share Price as of 11/2·$545MMarket Cap as of 11/2

Financials

10-QQ2 ended 06/30/2608/10/26 10-QQ1 ended 03/31/2605/15/26 10-KFY 202503/18/26 10-QQ3 ended 09/30/2511/10/25 10-QQ2 ended 06/30/2508/12/25

Disclosures

8-KCurrent report10/29/26 8-KCurrent report08/10/26 8-KCurrent report05/29/26 8-KCurrent report05/15/26 8-KCurrent report03/18/26

Prospectuses and Registrations

S-3Shelf registration10/29/26 S-8Registration of securities for employees03/18/26 POS AMPost-effective amendment10/21/25 424B5Prospectus supplement07/14/25 POS AMPost-effective amendment07/07/25

Proxies

DEF 14ADefinitive proxy04/17/26 DEFA14AAdditional proxy materials04/17/26 DEF 14ADefinitive proxy04/26/24 DEF 14ADefinitive proxy05/26/23 DEFA14AAdditional proxy materials07/11/22

Ownership

Form 4Insider transaction10/30/26 Form 4Insider transaction08/20/26 144Proposed sale of securities08/18/26 144Proposed sale of securities08/18/26 Form 4Insider transaction08/06/26

Other

ARSAnnual report to shareholders04/17/26 EFFECTRequest for effectiveness11/18/25 DEL AMDEL AM11/05/25 EFFECTRequest for effectiveness07/07/25 EFFECTRequest for effectiveness07/07/25