Summary
Updated Aug 30, 2026
Darin J. Weber is Chief Regulatory Officer of PROKIDNEY CORP. (PROK). 2 SEC Form 4 filings on record going back to 2025, most recently on 3 March 2026. Most recent open-market trade: sold $313K of PROK on 8 July 2025. Lifetime open-market sales: $313K.
Recent Transactions
1Every recent SEC Form 4 transaction Darin J. Weber has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Darin J. Weber go back to 2025: 2 primary Form 4 filings, an average of 1.0 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Darin J. Weber files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Brian Jg Pereira - $2.95M of PROK open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Darin J. Weber?
Darin J. Weber is a corporate insider, tracked as Chief Regulatory Officer of PROKIDNEY CORP. (PROK). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Darin J. Weber last file a Form 4?
The most recent primary Form 4 on record is dated 3 March 2026, one of 2 filings going back to 2025.
Has Darin J. Weber been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($313K) across all tracked filings.
Where can I see all of Darin J. Weber's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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