KRONUnknownMicro-Cap
Kronos Bio, Inc. Insider Trading Activity
Every SEC Form 4 insider transaction reported for Kronos Bio, Inc. (KRON), sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud · Insider-trading data from SEC EDGAR
Latest filing:
Compiled automatically from SEC EDGAR Form 4 filings and refreshed daily. Figures count purchases (code P) and sales (code S) only — not grants, option exercises, or gifts. How this page is built. Not investment advice.
Quick Answer
Are KRON insiders buying or selling?
Kronos Bio, Inc. insiders reported no open-market purchases or sales in the last 12 months. Since October 2020, Trabud has recorded 42 Form 4 filings for KRON: 17 buys ($30.3M) and 25 sells ($7.0M).
Source: SEC EDGAR Form 4
Key Statistics (October 2020 – Jun 6, 2025)
Total Form 4 filings
42
SEC EDGAR
Insider filers
16
Insider buys (17)
$30.3M
Insider sells (25)
$7.0M
Insider sentiment
Net buyingNet insider flow of $23.3M in net buying since October 2020.
Recent KRON insider transactions
| Date | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Jun 6, 2025 | Deborah Knobelman | President & Interim CEO | Sale | 24.8K | $0.87 | $21.6K | SEC ↗ |
| Jul 2, 2024 | BISCHOFBERGER NORBERT W | PRESIDENT & CEO | Purchase | 615.5K | $1.19 | $733.8K | SEC ↗ |
| Jun 12, 2024 | BISCHOFBERGER NORBERT W | PRESIDENT & CEO | Purchase | 3.0M | $1.04 | $3.1M | SEC ↗ |
| Feb 24, 2024 | Elizabeth A Olek | SR VP, CLINICAL SCIENCE | Sale | 7.4K | $1.05 | $7.8K | SEC ↗ |
| Feb 24, 2024 | Charles Y Lin | SR VP, RESEARCH & DEVELOPMENT | Sale | 12.0K | $1.05 | $12.7K | SEC ↗ |
| Feb 24, 2024 | Allison Frisbee | SR VP, CORP OPERATIONS & LEGAL | Sale | 12.1K | $1.05 | $12.8K | SEC ↗ |
| Jan 5, 2024 | Christopher Dinsmore | Chief Scientific Officer | Sale | 7.4K | $1.18 | $8.7K | SEC ↗ |
| Jan 5, 2024 | Jorge Dimartino | Chief Medical Officer & VP | Sale | 12.0K | $1.18 | $14.2K | SEC ↗ |
| Jan 5, 2024 | Barbara Kosacz | COO & General Counsel | Sale | 10.7K | $1.18 | $12.6K | SEC ↗ |
| Dec 13, 2023 | Christopher Dinsmore | Chief Scientific Officer | Sale | 10.0K | $1.31 | $13.1K | SEC ↗ |
| Dec 13, 2023 | Jorge Dimartino | Chief Medical Officer & VP | Sale | 17.4K | $1.31 | $22.7K | SEC ↗ |
| Nov 17, 2023 | BISCHOFBERGER NORBERT W | President & CEO | Purchase | 1.7M | $0.85 | $1.5M | SEC ↗ |
| Jul 7, 2023 | Christopher Dinsmore | Chief Scientific Officer | Sale | 6.6K | $1.75 | $11.6K | SEC ↗ |
| Jul 7, 2023 | Jorge Dimartino | Chief Medical Officer & VP | Sale | 10.8K | $1.75 | $19.0K | SEC ↗ |
| Jul 7, 2023 | Yasir B. Al-Wakeel | Chief Financial Officer | Sale | 9.6K | $1.75 | $16.9K | SEC ↗ |
| Feb 25, 2023 | Christopher Dinsmore | Chief Scientific Officer | Sale | 6.3K | $1.74 | $10.9K | SEC ↗ |
| Feb 25, 2023 | Jorge Dimartino | Chief Medical Officer & VP | Sale | 10.2K | $1.74 | $17.6K | SEC ↗ |
| Feb 25, 2023 | Yasir B. Al-Wakeel | Chief Financial Officer | Sale | 9.0K | $1.74 | $15.7K | SEC ↗ |
| Dec 14, 2022 | Jorge Dimartino | Chief Medical Officer & VP | Sale | 18.7K | $1.81 | $33.7K | SEC ↗ |
| Dec 14, 2022 | Christopher Dinsmore | Chief Scientific Officer | Sale | 9.1K | $1.81 | $16.5K | SEC ↗ |
| May 19, 2022 | BISCHOFBERGER NORBERT W | President & CEO | Purchase | 597.1K | $3.77 | $2.3M | SEC ↗ |
| Dec 15, 2021 | Christopher Dinsmore | Chief Scientific Officer | Sale | 11.4K | $12.37 | $140.8K | SEC ↗ |
| Dec 15, 2021 | Jorge Dimartino | Chief Medical Officer & VP | Sale | 16.4K | $12.37 | $202.9K | SEC ↗ |
| Dec 8, 2021 | BISCHOFBERGER NORBERT W | President & CEO | Purchase | 14.4K | $12.09 | $173.5K | SEC ↗ |
| Dec 2, 2021 | Backer Marianne De | Director | Purchase | 1.1K | $11.57 | $13.3K | SEC ↗ |
Showing the 25 most recent of 42 Form 4 filings for Kronos Bio, Inc..
Most active KRON insiders
- Christopher Dinsmore10 filings
- BISCHOFBERGER NORBERT W6 filings
- Jorge Dimartino6 filings
- Backer Marianne De3 filings
- Jakob Loven3 filings
Ask anything about KRON insider activity
Use Trabud's AI agent to query Kronos Bio, Inc.'s Form 4 history in plain English — "Show me KRON CEO purchases this year" or compare it against any other ticker.
Open the AI agentKRON insider trading FAQ
Are Kronos Bio, Inc. insiders buying or selling?
Kronos Bio, Inc. insiders reported no open-market purchases or sales in the last 12 months. Since October 2020, Trabud has recorded 42 Form 4 filings for KRON: 17 buys ($30.3M) and 25 sells ($7.0M). Over the full record that is net buying of $23.3M.
How many insiders trade KRON stock?
16 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for Kronos Bio, Inc.. The most recent filing was accepted on Jun 6, 2025.
Where does Trabud get KRON insider trading data?
All KRON insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.