Insider · CIK 0001444532
Roger D. Kornberg
Files at COCP (Cocrystal Pharma, Inc.), XBIO (Xenetic Biosciences, Inc.). First filing -, latest -.
In brief
Roger D. Kornberg files SEC Form 4 as director at COCP (Cocrystal Pharma, Inc.), and also at XBIO (Xenetic Biosciences, Inc.). No open-market trade is on file; the transactions below are grants, exercises and other rows that carry no view on the price.
A track record needs three past buys with six months of prices behind them; Roger D. Kornberg has 0, so none is measured yet.
Signals
This insider’s open-market buys and sells, scored.
Transactions
Every row this insider has filed, 4 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Jan 9, 2026 | COCP Cocrystal Pharma, Inc. | AGrant or award Stock Options (Right to Buy)derivative | +24,615 | $0.00 | $0 | 24,615 | Jan 13, 2026 |
| Dec 31, 2025 | XBIO Xenetic Biosciences, Inc. | AGrant or award Stock Optionsderivative | +2,500 | $0.00 | $0 | 2,500 | Jan 5, 2026 |
| Dec 11, 2024 | XBIO Xenetic Biosciences, Inc. | AGrant or award Stock Optionsderivative | +2,500 | $0.00 | $0 | 2,500 | Dec 13, 2024 |
| Oct 9, 2024 | COCP Cocrystal Pharma, Inc. | AGrant or award Common Stock | +28,109 | - | - | 28,109 | Oct 11, 2024 |
Questions about Roger D. Kornberg
Answered from the filings on this page, as of the latest one.
Is Roger D. Kornberg buying or selling?
Roger D. Kornberg has no open-market buy or sell on SEC Form 4; the filings on record are grants, exercises and other transactions.
How did Roger D. Kornberg's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Roger D. Kornberg has 0.
Where does Roger D. Kornberg file Form 4?
Roger D. Kornberg has filed Form 4 at COCP (Cocrystal Pharma, Inc.); XBIO (Xenetic Biosciences, Inc.). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.