Roger Kornberg

Insider Reports History

Location
Atherton, CA
Signature
/s/ Roger Kornberg
All insider transactions
Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by Roger Kornberg:

Company Role Class Num Shares Value Price $ Report Date Ownership
Cocrystal Pharma, Inc. Director Stock Options (Right to Buy) 24,615 09 Jan 2026 Direct
Xenetic Biosciences, Inc. Director Stock Options 2,500 31 Dec 2025 Direct

Insider Reports Filed by Roger Kornberg

Symbol Company Period Transactions Value $ Form Type Role Filing Time
COCP Cocrystal Pharma, Inc. 09 Jan 2026 1 $0 4 Director 13 Jan 2026, 17:03
XBIO Xenetic Biosciences, Inc. 31 Dec 2025 1 $0 4 Director 05 Jan 2026, 17:00
XBIO Xenetic Biosciences, Inc. 11 Dec 2024 1 $0 4 Director 13 Dec 2024, 17:00
COCP Cocrystal Pharma, Inc. 09 Oct 2024 1 $0 4 Director 11 Oct 2024, 16:06
XBIO Xenetic Biosciences, Inc. 06 Dec 2023 1 $0 4 Director 08 Dec 2023, 17:30
COCP Cocrystal Pharma, Inc. 18 Jul 2023 1 $0 4 Director 20 Jul 2023, 16:05
XBIO Xenetic Biosciences, Inc. 07 Dec 2022 1 $0 4 Director 09 Dec 2022, 16:03
COCP Cocrystal Pharma, Inc. 25 Jul 2022 1 $0 4 Director 03 Aug 2022, 16:02
XBIO Xenetic Biosciences, Inc. 07 Dec 2021 1 $0 4 Director 09 Dec 2021, 16:40
COCP Cocrystal Pharma, Inc. 16 Jul 2021 1 $0 4 Director 20 Jul 2021, 16:06