ProKidney Corp. - Class A Ordinary Shares (PROK)
PROK moved a median of -1.06% 30 minutes after news, and +0.46% by the close. How PROK actually reacts to news — the realized, point-in-time move the market made, measured across 235 labeled events over the last three years with zero look-ahead.
PROK’s median reaction, across the day.
| Horizon | Median | % positive | Events |
|---|---|---|---|
| 5-min | -1.23% | 26% | 234 |
| 30-min | -1.06% | 35% | 235 |
| 60-min | -0.56% | 40% | 235 |
| to close | +0.46% | 50% | 233 |
| Middle 50% of PROK reactions | -3.79% to +1.37% |
|---|---|
| Median reaction (30-min) | -1.06% |
| Measured reactions | 235 |
Half of all ProKidney Corp. - Class A Ordinary Shares news events land between -3.79% and +1.37% at 30 minutes.
Reaction stats as of 2026-09-21. Newest measured event . Reaction = percent move vs. the price at the news timestamp.
How PROK reacts, by analyst action.
| Event | Events | Median 30-min | % positive | Median to close |
|---|---|---|---|---|
| Analyst downgrades | 10 | +0.59% | 80% | -1.72% |
| Coverage initiations | 10 | +2.12% | 70% | +2.97% |
| Rating reiterations | 10 | -0.21% | 40% | -4.28% |
Last 3 years, pulled 2026-09-21. Reaction = percent move vs. the price at the news timestamp. Counts and medians only. The same measurement runs across every name in the dataset. 3 further classes were observed with fewer than 10 measured events and are not published. See how PROK ranks against every other measured name →
That’s how PROK usually reacts — get an email when it moves on news →Email me when PROK moves on news.
One email per qualifying move — the headline, the measured reaction, and how it compares to PROK's baseline. Nothing else.
Recent PROK events, each with its measured reaction.
| Date | Headline | Event | Source | 5-min | To close |
|---|---|---|---|---|---|
| ProKidney Announces Eight Abstracts Selected for Presentation at the American Society of Nephrology’s Kidney Week 2026 | Press release | GlobeNewswire | -1.16% | +0.00% | |
| ProKidney Appoints Kenneth Locke as Chief Technical Officer | Press release | GlobeNewswire | -5.61% | +0.53% | |
| Form 8-K PROKIDNEY CORP. For: May 28 | SEC filing · Form 8-K | SEC EDGAR | -2.19% | +1.09% | |
| Form 10-Q PROKIDNEY CORP. For: Mar 31 | SEC filing · Form 10-Q | SEC EDGAR | -0.79% | +3.58% | |
| Form 8-K PROKIDNEY CORP. For: May 15 | SEC filing · Form 8-K | SEC EDGAR | -0.94% | +3.43% | |
| ProKidney Reports First Quarter 2026 Financial Results and Business Highlights | Press release | GlobeNewswire | -1.24% | +2.79% | |
| Form ARS PROKIDNEY CORP. For: Dec 31 | SEC filing · Form ARS | SEC EDGAR | -1.38% | -3.67% | |
| Form DEF 14A PROKIDNEY CORP. For: May 28 | SEC filing · Form DEF | SEC EDGAR | -1.38% | -3.67% | |
| Form DEFA14A PROKIDNEY CORP. | SEC filing · Form DEFA14A | SEC EDGAR | -1.38% | -3.67% | |
| ProKidney Expands Senior Leadership Team with Appointment of Greg Madison as Chief Commercial Officer | Press release | GlobeNewswire | -0.56% | -1.12% | |
| Form 10-K PROKIDNEY CORP. For: Dec 31 | SEC filing · Form 10-K | SEC EDGAR | -8.01% | -5.34% | |
| Form 8-K PROKIDNEY CORP. For: Mar 18 | SEC filing · Form 8-K | SEC EDGAR | -8.01% | -5.34% | |
| Form S-8 PROKIDNEY CORP. | SEC filing · Form S-8 | SEC EDGAR | -8.01% | -5.34% | |
| ProKidney Reports Full Year 2025 Financial Results and Business Highlights | Press release | GlobeNewswire | -8.01% | -5.34% | |
| Form 8-K PROKIDNEY CORP. For: Feb 02 | SEC filing · Form 8-K | SEC EDGAR | +2.48% | +0.49% | |
| Form 8-K PROKIDNEY CORP. For: Jan 12 | SEC filing · Form 8-K | SEC EDGAR | -3.18% | -1.27% | |
| ProKidney to Present at the 44th Annual J.P. Morgan Healthcare Conference | Press release | GlobeNewswire | +0.46% | +2.74% | |
| Form EFFECT PROKIDNEY CORP. | SEC filing · Form EFFECT | SEC EDGAR | -1.07% | -0.85% | |
| Form 10-Q PROKIDNEY CORP. For: Sep 30 | SEC filing · Form 10-Q | SEC EDGAR | -1.80% | +0.72% | |
| Form 8-K PROKIDNEY CORP. For: Nov 10 | SEC filing · Form 8-K | SEC EDGAR | -1.80% | +0.72% | |
| ProKidney Reports Third Quarter 2025 Financial Results and Provides Regulatory and Clinical Updates | Press release | GlobeNewswire | -1.80% | +0.72% | |
| ProKidney Presents Full Results from the Phase 2 REGEN-007 Trial of Rilparencel at the American Society of Nephrology Kidney Week 2025 | Press release | GlobeNewswire | +2.44% | +5.64% | |
| Form DEL AM PROKIDNEY CORP. | SEC filing · Form DEL | SEC EDGAR | +2.46% | -4.93% | |
| ProKidney to Participate in Two Upcoming Conferences: Guggenheim Healthcare Innovation Conference and the Jefferies Global Healthcare Conference | Press release | GlobeNewswire | +0.07% | +3.33% | |
| Form POS AM PROKIDNEY CORP. | SEC filing · Form POS | SEC EDGAR | +1.25% | -1.56% | |
| ProKidney Announces Two Abstracts Selected for Presentation at the American Society of Nephrology’s Kidney Week 2025 | Press release | GlobeNewswire | -0.67% | +8.94% | |
| Form 8-K PROKIDNEY CORP. For: Oct 17 | SEC filing · Form 8-K | SEC EDGAR | -0.67% | +8.94% | |
| ProKidney to Participate in Two Upcoming Conferences: the Citi Biopharma Back to School Conference and the Morgan Stanley Global Healthcare Conference | Press release | GlobeNewswire | -0.33% | +4.18% | |
| Form 10-Q PROKIDNEY CORP. For: Jun 30 | SEC filing · Form 10-Q | SEC EDGAR | +3.52% | +4.41% | |
| Form 8-K PROKIDNEY CORP. For: Aug 12 | SEC filing · Form 8-K | SEC EDGAR | +3.52% | +4.41% | |
| ProKidney Reports Second Quarter 2025 Financial Results and Provides Regulatory and Clinical Updates | Press release | GlobeNewswire | +3.52% | +4.41% | |
| Form 8-K12B/A PROKIDNEY CORP. For: Jul 01 | SEC filing · Form 8-K12B | SEC EDGAR | -3.65% | -8.09% | |
| Form 8-K PROKIDNEY CORP. For: Jul 15 | SEC filing · Form 8-K | SEC EDGAR | -3.01% | -20.71% | |
| ProKidney Announces Alignment with the FDA on the Accelerated Approval Pathway for Rilparencel | Press release | GlobeNewswire | -3.01% | -20.71% | |
| Form 8-K PROKIDNEY CORP. For: Jul 14 | SEC filing · Form 8-K | SEC EDGAR | -3.01% | -20.71% | |
| ProKidney to Participate in the H.C. Wainwright 4th Annual Kidney Virtual Conference | Press release | GlobeNewswire | -8.06% | -25.56% | |
| Form 8-K PROKIDNEY CORP. For: Jul 08 | SEC filing · Form 8-K | SEC EDGAR | -0.79% | +193.70% | |
| Form EFFECT PROKIDNEY CORP. | SEC filing · Form EFFECT | SEC EDGAR | -0.79% | +193.70% | |
| ProKidney Reports Statistically and Clinically Significant Topline Results for the Phase 2 REGEN-007 Trial Evaluating Rilparencel in Patients with Chronic Kidney Disease and Diabetes | Press release | GlobeNewswire | -0.79% | +193.70% | |
| Form POS AM PROKIDNEY CORP. | SEC filing · Form POS | SEC EDGAR | -3.92% | -6.69% | |
| Form 8-K12B PROKIDNEY CORP. For: Jul 01 | SEC filing · Form 8-K12B | SEC EDGAR | -3.92% | -6.69% | |
| Form POS AM PROKIDNEY CORP. | SEC filing · Form POS | SEC EDGAR | -3.92% | -6.69% | |
| Form S-8 POS PROKIDNEY CORP. | SEC filing · Form S-8 | SEC EDGAR | -3.92% | -6.69% | |
| Form 8-K PROKIDNEY CORP. For: Jul 01 | SEC filing · Form 8-K | SEC EDGAR | +0.00% | -4.44% | |
| ProKidney Corp. Completes Domestication from the Cayman Islands to Delaware | Press release | GlobeNewswire | +0.00% | -4.74% | |
| Form 8-K PROKIDNEY CORP. For: May 29 | SEC filing · Form 8-K | SEC EDGAR | -1.51% | -0.01% | |
| Form 10-Q PROKIDNEY CORP. For: Mar 31 | SEC filing · Form 10-Q | SEC EDGAR | -0.07% | +14.19% | |
| Form 8-K PROKIDNEY CORP. For: May 12 | SEC filing · Form 8-K | SEC EDGAR | -0.07% | +14.19% | |
| ProKidney Reports First Quarter 2025 Financial Results and Business Highlights | Press release | GlobeNewswire | -0.07% | +14.19% | |
| Form EFFECT PROKIDNEY CORP. | SEC filing · Form EFFECT | SEC EDGAR | -3.81% | +2.86% |
Each reaction is the move the market actually made, measured from the news timestamp. Headlines link through to the PROK section they belong to.
Where else PROK is measured.
PROK earnings → · Analyst actions → · SEC filings →
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Every name we’ve measured, in one place.
How the numbers are made.
How is ProKidney Corp. - Class A Ordinary Shares's median reaction calculated?
Every labeled PROK news event is measured from its own timestamp: the last trade before the news is the base price, and the move is read at fixed horizons — 30 minutes of trading, then the close. The median across 235 events is what this page reports. Point-in-time, zero look-ahead: no event borrows information from a later one.
What counts as a positive reaction?
Any event whose price move is above zero at the horizon, relative to the last trade before the news timestamp. 35% of PROK's measured events are up at 30 minutes; the rest close the window flat or negative.
How often is this page updated?
The news table refreshes automatically as new events are labeled and priced. The reaction medians are re-pulled in batches from the dataset — the figures here are as of 2026-09-21.
Does PROK's past reaction predict its next one?
No. These are realized facts about past events, not forecasts. They describe a distribution — they say nothing certain about any future move.