Kronos Bio, Inc. (KRON)
Data as of , from SEC Form 4 filings.
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Arie BelldegrunOther$1.58M- Arie BelldegrunOther$387K
- Arie BelldegrunDerivative
About Kronos Bio, Inc. (KRON)
Kronos Bio, Inc. files with the SEC under CIK 0001741830 and is classified as pharmaceutical preparations. We track it alongside the rest of the Health Care sector.
KRON Form 4 activity by transaction type, last 90 days
No Form 4 activity for KRON in the last 90 days.
KRON insider transactions (Form 4)
336 Form 4 filings on record, the earliest from Oct 15, 2024, newest first.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Arie Belldegrun | Other | Common Stock | 2,765,314 | $0.57 | $1.58M | |
| Arie Belldegrun | Other | Common Stock | 679,575 | $0.57 | $387K | |
| Arie Belldegrun | Derivative | Stock Option (Right to Buy) | 20,600 | $0.00 | - | |
| Arie Belldegrun | Derivative | Stock Option (Right to Buy) | 34,000 | $0.00 | - | |
| Arie Belldegrun | Derivative | Stock Option (Right to Buy) | 34,000 | $0.00 | - | |
| Arie Belldegrun | Derivative | Stock Option (Right to Buy) | 34,000 | $0.00 | - | |
| Joshua A. Kazam | Other | Common Stock | 94,481 | $0.57 | $54K | |
| Joshua A. Kazam | Derivative | Stock Option (Right to Buy) | 20,600 | $0.00 | - | |
| Joshua A. Kazam | Derivative | Stock Option (Right to Buy) | 34,000 | $0.00 | - | |
| Joshua A. Kazam | Derivative | Stock Option (Right to Buy) | 34,000 | $0.00 | - | |
| Joshua A. Kazam | Derivative | Stock Option (Right to Buy) | 34,000 | $0.00 | - | |
 Norbert W. Bischofberger | Other | Common Stock | 10,802,138 | $0.57 | $6.16M | |
| Norbert W. Bischofberger | Other | Common Stock | 263,750 | $0.57 | $150K | |
| Norbert W. Bischofberger | Other | Common Stock | 263,750 | $0.57 | $150K | |
| Norbert W. Bischofberger | Other | Common Stock | 263,750 | $0.57 | $150K | |
| Norbert W. Bischofberger | Other | Common Stock | 263,750 | $0.57 | $150K | |
| Norbert W. Bischofberger | Derivative | Employee Stock Option (Right to Buy) | 297,186 | $0.00 | - | |
| Norbert W. Bischofberger | Derivative | Employee Stock Option (Right to Buy) | 400,000 | $0.00 | - | |
| Norbert W. Bischofberger | Derivative | Employee Stock Option (Right to Buy) | 570,868 | $0.00 | - | |
| Norbert W. Bischofberger | Derivative | Employee Stock Option (Right to Buy) | 699,800 | $0.00 | - | |
| David M. Tanen | Other | Common Stock | 363,428 | $0.57 | $207K | |
| David M. Tanen | Other | Common Stock | 471,230 | $0.57 | $269K | |
| David M. Tanen | Other | Common Stock | 26,375 | $0.57 | $15K | |
| David M. Tanen | Other | Common Stock | 26,375 | $0.57 | $15K | |
| David M. Tanen | Other | Common Stock | 26,375 | $0.57 | $15K | |
| David M. Tanen | Derivative | Stock Option (Right to Buy) | 85,608 | $0.00 | - | |
| David M. Tanen | Derivative | Stock Option (Right to Buy) | 19,892 | $0.00 | - | |
| David M. Tanen | Derivative | Stock Option (Right to Buy) | 20,600 | $0.00 | - | |
| David M. Tanen | Derivative | Stock Option (Right to Buy) | 34,000 | $0.00 | - | |
| David M. Tanen | Derivative | Stock Option (Right to Buy) | 34,000 | $0.00 | - | |
| David M. Tanen | Derivative | Stock Option (Right to Buy) | 34,000 | $0.00 | - | |
| Allison Frisbee - Officer | Grant or award | Employee Stock Option (Right to Buy) | 72,900 | $0.00 | - | |
| Charles Y. Lin - Officer | Grant or award | Employee Stock Option (Right to Buy) | 72,900 | $0.00 | - |
KRON insider trading FAQ
What is the latest insider trade for KRON?
Kronos Bio, Inc. (KRON) has filed no insider reports in the last 90 days. The most recent on record is dated 2025-06-20. The full record for KRON runs to 6 Form 4 filings, the earliest from 2024-10-15. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying KRON stock?
No insider purchases of KRON were filed in the last 90 days.
How many insiders are selling KRON stock?
No insider sales of KRON were filed in the last 90 days.
Where can I see KRON SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects KRON Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Health Care companies with insider activity
Recent insider filings
6The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Arie Belldegrun view on EDGAR
- - Joshua A. Kazam view on EDGAR
- - Norbert W. Bischofberger view on EDGAR
- - David M. Tanen view on EDGAR
- - Allison Frisbee view on EDGAR
- - Charles Y. Lin view on EDGAR
Related companies with recent insider activity
Learn more
- What the Form 4 transaction codes mean
- Grants, option exercises, gifts and tax withholding are not trades on the market. The codes say which is which.
- Insider activity in Health Care
- Where KRON's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
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- The daily trading plan of ranked insider buys, on a delay, with the plan archive
