Who
Roger D. Kornberg
Director
Company insider
Files Form 4 as: Director, Cocrystal Pharma; Director, Xenetic Biosciences; Director, Protalix BioTherapeutics, Inc. (DE).
In numbers
- Trades disclosed
- 20
- Buys
- 0
- Sells
- 0
- Bought
- $0
- Sold
- $0
- Companies
- 3
- Companies where not an officer
- 3
- First trade
- 7 Feb 2008
- Last trade
- 9 Jan 2026
- Last filed
- 13 Jan 2026
Companies traded
Activity over time
Not enough dated trades to draw.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 9 Jan 2026filed 13 Jan 2026 | COCP Cocrystal Pharmaoption or derivative · Biotechnology | SEC FORM 4 Code A | —24,615 at $0.00 | filing |
| 9 Jan 2026filed 13 Jan 2026 | COCP Cocrystal Pharmaoption or derivative · Biotechnology | SEC FORM 4 Code A | —24,615 at $0.00 | filing |
| 31 Dec 2025filed 5 Jan 2026 | XBIO Xenetic Biosciencesoption or derivative · Biotechnology | SEC FORM 4 Code A | —2,500 at $0.00 | filing |
| 31 Dec 2025filed 5 Jan 2026 | XBIO Xenetic Biosciencesoption or derivative · Biotechnology | SEC FORM 4 Code A | —2,500 at $0.00 | filing |
| 11 Dec 2024filed 13 Dec 2024 | XBIO Xenetic Biosciencesoption or derivative · Biotechnology | SEC FORM 4 Code A | —2,500 at $0.00 | filing |
| 9 Oct 2024filed 11 Oct 2024 | COCP Cocrystal PharmaBiotechnology | SEC FORM 4 Code A | —28,109 | filing |
| 6 Dec 2023filed 8 Dec 2023 | XBIO Xenetic Biosciencesoption or derivative · Biotechnology | SEC FORM 4 Code A | —2,500 at $0.00 | filing |
| 18 Jul 2023filed 20 Jul 2023 | COCP Cocrystal Pharmaoption or derivative · Biotechnology | SEC FORM 4 Code A | —24,417 at $0.00 | filing |
| 7 Dec 2022filed 9 Dec 2022 | XBIO Xenetic Biosciencesoption or derivative · Biotechnology | SEC FORM 4 Code A | —25,000 at $0.00 | filing |
| 25 Jul 2022filed 3 Aug 2022 | COCP Cocrystal Pharmaoption or derivative · Biotechnology | SEC FORM 4 Code A | —280,000 at $0.00 | filing |
| 7 Dec 2021filed 9 Dec 2021 | XBIO Xenetic Biosciencesoption or derivative · Biotechnology | SEC FORM 4 Code A | —25,000 at $0.00 | filing |
| 16 Jul 2021filed 20 Jul 2021 | COCP Cocrystal Pharmaoption or derivative · Biotechnology | SEC FORM 4 Code A | —65,000 at $0.00 | filing |
| 4 Dec 2020filed 8 Dec 2020 | XBIO Xenetic Biosciencesoption or derivative · Biotechnology | SEC FORM 4 Code A | —25,000 at $0.00 | filing |
| 22 Jun 2020filed 24 Jun 2020 | COCP Cocrystal Pharmaoption or derivative · Biotechnology | SEC FORM 4 Code A | —50,000 at $0.00 | filing |
| 4 Dec 2019filed 6 Dec 2019 | XBIO Xenetic Biosciencesoption or derivative · Biotechnology | SEC FORM 4 Code A | —25,000 at $0.00 | filing |
| 28 Nov 2018filed 30 Nov 2018 | XBIO Xenetic Biosciencesoption or derivative · Biotechnology | SEC FORM 4 Code A | —25,000 at $0.00 | filing |
| 15 Nov 2017filed 17 Nov 2017 | XBIO Xenetic Biosciencesoption or derivative · Biotechnology | SEC FORM 4 Code A | —25,000 at $0.00 | filing |
| 20 Dec 2016filed 23 Dec 2016 | XBIO Xenetic Biosciencesoption or derivative · Biotechnology | SEC FORM 4 Code A | —3,030 at $0.00 | filing |
| 20 Dec 2016filed 23 Dec 2016 | XBIO Xenetic Biosciencesoption or derivative · Biotechnology | SEC FORM 4 Code A | —21,970 at $0.00 | filing |
| 7 Feb 2008filed 8 Sep 2008 | PLX Protalix BioTherapeutics, Inc. (DE)option or derivative · Biotechnology | SEC FORM 4 Code A | —50,000 at $0.00 | filing |
News
No headline names them, or the companies they trade most, lately.
Sectors
No trade we could place in a sector.