Insiders sold $2.95M and bought nothing on the open market.
None of the selling was scheduled in advance under a 10b5-1 plan. Director Brian Jg Pereira sold $1.88M on Nov 13, 2025, 100% of their stake, outside a plan. The last open-market buy by an executive or director was in Jun 2024.
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Trades · last 2 years
| Date | Insider | Trade | Shares | Price | Value | Of their stake | Filing |
|---|---|---|---|---|---|---|---|
| Aug 18 – 20 | Brian Jg Pereira Director | SoldNo plan 6 parts | 757,164 | $1.41 average | $1.07M | 77% | Form 4 |
| Nov 12, 2025 – Nov 13, 2025 | Brian Jg Pereira Director | SoldNo plan 4 parts | 757,162 | $2.49 average | $1.88M | 100% | Form 4 |
| Jul 8, 2025 | Darin J. Weber Chief Regulatory Officer | Sold10b5-1 plan | 103,480 | $3.02 | 313K | 100% | Form 4 |
| Apr 22, 2025 | Control Empresarial De Capitales S.a. De C.v. Large holder | Bought | 387,393 | $0.71 | 275K | 0.5% | Form 4 |
| Apr 17, 2025 | Control Empresarial De Capitales S.a. De C.v. Large holder | Bought | 25,000 | $0.75 | 19K | <0.1% | Form 4 |
| Apr 16, 2025 | Control Empresarial De Capitales S.a. De C.v. Large holder | Bought | 100,000 | $0.75 | 75K | 0.1% | Form 4 |
| Apr 14, 2025 – Apr 15, 2025 | Control Empresarial De Capitales S.a. De C.v. Large holder | Bought 2 parts | 736,105 | $0.71 average | 523K | 1.0% | Form 4 |
| Apr 10, 2025 – Apr 11, 2025 | Control Empresarial De Capitales S.a. De C.v. Large holder | Bought 2 parts | 1,034,118 | $0.61 average | 631K | 1.4% | Form 4 |
- Aug 18 – 20No planBrian Jg PereiraDirector · sold 757,164 at avg $1.41$1.07M77% of stake
- Nov 12, 2025 – Nov 13, 2025No planBrian Jg PereiraDirector · sold 757,162 at avg $2.49$1.88M100% of stake
- Jul 8, 202510b5-1 planDarin J. WeberChief Regulatory Officer · sold 103,480 at $3.02313K100% of stake
- Apr 22, 2025Control Empresarial De Capitales S.a. De C.v.Large holder · bought 387,393 at $0.71275K0.5% of stake
- Apr 17, 2025Control Empresarial De Capitales S.a. De C.v.Large holder · bought 25,000 at $0.7519K<0.1% of stake
- Apr 16, 2025Control Empresarial De Capitales S.a. De C.v.Large holder · bought 100,000 at $0.7575K0.1% of stake
- Apr 14, 2025 – Apr 15, 2025Control Empresarial De Capitales S.a. De C.v.Large holder · bought 736,105 at avg $0.71523K1.0% of stake
- Apr 10, 2025 – Apr 11, 2025Control Empresarial De Capitales S.a. De C.v.Large holder · bought 1,034,118 at avg $0.61631K1.4% of stake
Source: SEC Form 4 filings, filed within two business days of each trade and checked for new ones every hour.
Peers
Biological Products, (No Diagnostic Substances) · Pick stocks to compare with PROK
Held by ETFs
PROK is in 5 US ETFs. The largest of them, with PROK's weight in each:
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Data sourced from SEC EDGAR filings and third-party price providers. Scores, valuations, and metrics are algorithmic estimates. This is not investment advice. See our Terms and Methodology.
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