Prokidney Corp. insider trading

Every open-market purchase and sale by Prokidney Corp.'s officers, directors and largest shareholders since November 4, 2021, and what the share price did next.

Insider purchases, 5 years $0 0 trades by 0 insiders Insider sales, 5 years $3M 5 trades by 1 insider 3 months later: median −19.3% (−20.9% vs S&P 500)

No insider has bought shares on the open market in five years.

Insider purchase Insider sale Marker size reflects trade value. Weekly closes adjusted for splits; may be delayed.

Prokidney Corp. insider open-market trades
Date	Insider	Trade	Shares	Price	Value	1M after	3M after	6M after

From insiders' Form 4 filings with the SEC: open-market purchases and sales only (awards, option exercises and shares withheld for tax are excluded), combined to one line per insider per day. "Plan" marks trades the filing says were made under a pre-set Rule 10b5-1 trading plan, which are scheduled in advance. Price changes run from the close on the trade date; hover a figure for the change relative to the S&P 500. Past moves don't predict future ones.

Does following Prokidney Corp.’s insiders pay?

From September 1, 2022 to August 20, 2026, 7 insiders reported 10 open-market purchases and 14 sales not made under a pre-set plan in Prokidney Corp. Twelve months after each purchase was reported, the shares were −33.9% against the S&P 500 on average (median −33.9%), over 2 purchases with a full year of prices; 0% beat the index. That rests on fewer than 20 purchases, too few to read much into. Buying each purchase the day after it was reported, an equal amount each, held 12 months or until that insider reported a sale, would have turned $10,000 on September 2, 2022 into $9,439 by November 2, 2026, −1.4% a year. It held shares 24% of the time; the S&P 500 on those same days, with Treasury bills otherwise, made $13,398 (+7.3% a year), and held throughout $20,396 (+18.8%).

Copying Prokidney Corp.'s insidersS&P 500, same days investedS&P 500, held throughout $10,000 copying every open-market purchase by Prokidney Corp.'s insiders from September 2, 2022, before costs and taxes, marked weekly. Uninvested money earns the Treasury bill rate; the portfolio held shares 24% of the time.

Prokidney Corp.: each insider's record
Insider	Role	Purchases	12 months after their purchases	Beat the S&P 500	Sales	12 months after their sales	Latest report
Control Empresarial De Capitales S.A. De C.V.	10% owner	7	—	—	0	—	April 24, 2025
Palihapitiya Chamath	10% owner	0	—	—	5	—	November 17, 2023
Sc Master Holdings, LLC	Other	0	—	—	5	—	November 21, 2023
Cowen Aaron	10% owner	2	−33.9% (2)	0%	0	—	September 8, 2022
Pereira Brian Jg	Director	0	—	—	2	—	August 20, 2026
Sc Pipe Holdings LLC	10% owner	0	—	—	2	—	October 31, 2023
Legorreta Pablo G.	Director	1	—	—	0	—	June 14, 2024

Moves are the shares’ return including dividends minus the S&P 500’s, from the close on the first trading day after each report; the number of trades with a finished 12-month window is in brackets. Green means the trade went the insider’s way (a purchase ahead of the index, a sale followed by the shares trailing it). A trade reported both by a director or officer and by a fund or company they are linked to counts once here, under the person. Purchases count only where the share price actually traded was at least $5. These figures describe what the shares did, not why anyone traded. Insiders across all companies.

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