Libbie Parker Mckenzie
CIK 1936222 · View on SEC EDGAR ↗
Insider
First SEC filing: July 13, 2022 · Latest: July 13, 2022
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 4 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Jan. 16, 2023 | PROK | A | 250,000 | — | — | 250,000 Direct | — | Acquired | (price as of 2026-08-21) |
| Oct. 20, 2022 | PROK | A | 696,793 | — | — | 696,793 Direct | — | Acquired | (price as of 2026-08-21) |
| July 11, 2022 | PROK | A | 327,713 | — | — | 327,713 Direct | — | Acquired | (price as of 2026-08-21) |
| July 11, 2022 | PROK | A | 327,713 | — | — | 327,713 Direct | — | Acquired | (price as of 2026-08-21) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Jan. 16, 2023 | PROK | Employee stock option (right to buy) | Class A Ordinary Shares (250,000) | $8.43 | Jan. 16, 2033 | 250,000 | Acquired |
| Oct. 20, 2022 | PROK | Employee stock option (right to buy) | Class A Ordinary Shares (696,793) | $10.33 | Oct. 20, 2032 | 696,793 | Acquired |
| July 11, 2022 | PROK | Common Units in ProKidney LP [F3] | Class A Ordinary Shares (327,713) | — | — | 327,713 | Acquired |
| July 11, 2022 | PROK | Class B Ordinary Shares | Class A Ordinary Shares (327,713) | — | — | 327,713 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| July 13, 2022 | PROK | No securities owned. | 0 | Direct |