Company · Ownership research

PROKIDNEY CORP. PROK

CIK 0001850270

Form 4 transactions dated Sep 1, 2023 to Sep 25, 2026, as reported to the SEC.

Insider trading Initial holdings Institutional holders

This page lists 30 of 34 rows; the complete set is available through the API.

Insider filings on file run through 2026-08-20.

Some filings are submitted jointly by several insiders. The SEC form does not apportion the reported figures between them, so results include every joint filer.

Insider purchases & sales

Purchased: $76.51M
Sold: $31.30M

Sep 1, 2023 – Aug 20, 2026
Available records · partial months are marked ·

2023, from Sep 1, 202310 of 30 preview events · 34 available in 2023

Date	Insider	Activity	Trade value (USD)	% of prior holding
2023-11-19	Palihapitiya Chamath · SC Master Holdings, LLC Former 10% Owner	Sale	$9.50M 7,256,367 shares sold	Unavailable Indirect holding	▾
2023-11-17	Palihapitiya Chamath · SC Master Holdings, LLC 10% owner	Sale	$308.40K 258,400 shares sold	Unavailable Indirect holding	▾
2023-11-16	Palihapitiya Chamath · SC Master Holdings, LLC 10% owner	Sale	$259.40K 212,100 shares sold	Unavailable Indirect holding	▾
2023-11-15	Palihapitiya Chamath · SC Master Holdings, LLC 10% owner	Sale	$420.15K 282,300 shares sold	Unavailable Indirect holding	▾
2023-11-14	Palihapitiya Chamath · SC Master Holdings, LLC 10% owner	Sale	$459.09K 306,200 shares sold	Unavailable Indirect holding	▾
2023-11-13	Palihapitiya Chamath · SC Master Holdings, LLC 10% owner	Sale	$139.68K 88,700 shares sold	Unavailable Indirect holding	▾
2023-11-10	Palihapitiya Chamath · SC Master Holdings, LLC 10% owner	Sale	$138.41K 85,900 shares sold	Unavailable Indirect holding	▾
2023-11-09	Palihapitiya Chamath · SC Master Holdings, LLC 10% owner	Sale	$160.70K 95,900 shares sold	Unavailable Indirect holding	▾
2023-11-08	Palihapitiya Chamath · SC Master Holdings, LLC · SC PIPE Holdings LLC 10% owner	Sale	$97.76K 59,000 shares sold	Unavailable Indirect holding	▾
2023-11-07	Palihapitiya Chamath · SC Master Holdings, LLC · SC PIPE Holdings LLC 10% owner	Sale	$113.37K 71,233 shares sold	Unavailable Indirect holding	▾

Showing 30 / 34 record groups in 2023. The complete set is available through the API.

PROKIDNEY CORP. · PROK

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The initial HTML of this page carries its exact data as script#research-data (JSON): values, units, scope, preview limits and SEC sources. Read it directly, no script or API key needed; script#research-access says what needs an account. For the year shown, this page lists 30 of 34 purchase / sale groups and 5 of 5 other groups; the totals and the monthly series cover the whole window.

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{"ticker":"PROK","transaction_code":["P","S"],"transaction_form_type":"4","page_size":20}

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Sources, coverage & how to read this data

Figures are as reported to the SEC and merged with later amendments where Akkru could match them. Preview limits apply to what is listed, not to the totals, which come from the complete reported data. Nothing is zero-filled: a missing quarter or month is shown as missing.

Non-cancelled, non-derivative purchase (P) and sale (S) rows dated inside the public window, as reported. Includes open-market and private transactions. Data after the latest filing is not asserted complete and is not zero-filled. A grouped event shares filing, transaction date, security, code, direction, ownership bucket and source. Derivative groups also match underlying security, exercise price, exercise/expiration dates and footnote references. Reported rows are retained; P/S price lots can be grouped. Post-transaction balances are never summed.