Who
Darin J. Weber
Chief Regulatory Officer
Company insider
Files Form 4 as: Chief Regulatory Officer, ProKidney.
In numbers
- Trades disclosed
- 25
- Buys
- 0
- Sells
- 10
- Bought
- $0
- Sold
- $707K
- Companies
- 1
- Companies where not an officer
- 0
- First trade
- 11 Jul 2022
- Last trade
- 1 Mar 2026
- Last filed
- 3 Mar 2026
Companies traded
Activity over time
1 Nov 2024 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 1 Mar 2026filed 3 Mar 2026 | PROK ProKidneyoption or derivative · Biotechnology | SEC FORM 4 Code A | —400,000 at $0.00 | filing |
| 1 Mar 2026filed 3 Mar 2026 | PROK ProKidneyoption or derivative · Biotechnology | SEC FORM 4 Code A | —400,000 at $0.00 | filing |
| 8 Jul 2025filed 9 Jul 2025 | PROK ProKidneyBiotechnology | SEC FORM 4 Sold | $313K103,480 at $3.02 | filing |
| 1 Mar 2025filed 4 Mar 2025 | PROK ProKidneyoption or derivative · Biotechnology | SEC FORM 4 Code A | —450,000 at $0.00 | filing |
| 19 Sep 2024filed 20 Sep 2024 | PROK ProKidneyBiotechnology | SEC FORM 4 Sold | $41K16,412 at $2.50 | filing |
| 26 Jul 2024filed 29 Jul 2024 | PROK ProKidneyBiotechnology | SEC FORM 4 Sold | $2,065826 at $2.50 | filing |
| 18 Jun 2024filed 20 Jun 2024 | PROK ProKidneyBiotechnology | SEC FORM 4 Sold | $49K17,238 at $2.82 | filing |
| 20 May 2024filed 22 May 2024 | PROK ProKidneyBiotechnology | SEC FORM 4 Sold | $70K17,238 at $4.08 | filing |
| 22 Apr 2024filed 23 Apr 2024 | PROK ProKidneyBiotechnology | SEC FORM 4 Sold | $41K16,438 at $2.51 | filing |
| 18 Apr 2024filed 23 Apr 2024 | PROK ProKidneyBiotechnology | SEC FORM 4 Sold | $2,032800 at $2.54 | filing |
| 16 Apr 2024filed 17 Apr 2024 | PROK ProKidneyBiotechnology | SEC FORM 4 Sold | $43K17,238 at $2.50 | filing |
| 12 Apr 2024filed 16 Apr 2024 | PROK ProKidneyBiotechnology | SEC FORM 4 Sold | $145K84,103 at $1.73 | filing |
| 1 Apr 2024filed 16 Apr 2024 | PROK ProKidneyBiotechnology | SEC FORM 4 Sold | $507300 at $1.69 | filing |
| 1 Mar 2024filed 5 Mar 2024 | PROK ProKidneyoption or derivative · Biotechnology | SEC FORM 4 Code A | —225,000 at $0.00 | filing |
| 1 Mar 2024filed 5 Mar 2024 | PROK ProKidneyoption or derivative · Biotechnology | SEC FORM 4 Code A | —117,264 at $0.00 | filing |
| 5 Feb 2024filed 6 Feb 2024 | PROK ProKidneyoption or derivative · Biotechnology | SEC FORM 4 Code C | —137,073 at $0.00 | filing |
| 5 Feb 2024filed 6 Feb 2024 | PROK ProKidneyoption or derivative · Biotechnology | SEC FORM 4 Code C | —137,073 at $0.00 | filing |
| 5 Feb 2024filed 6 Feb 2024 | PROK ProKidneyBiotechnology | SEC FORM 4 Code C | —137,073 at $0.00 | filing |
| 25 Aug 2023filed 29 Aug 2023 | PROK ProKidneyoption or derivative · Biotechnology | SEC FORM 4 Code C | —137,000 at $0.00 | filing |
| 25 Aug 2023filed 29 Aug 2023 | PROK ProKidneyoption or derivative · Biotechnology | SEC FORM 4 Code C | —137,000 at $0.00 | filing |
News
No headline names them, or the companies they trade most, lately.