CIK 0001741830
KRON Kronos Bio, Inc.
Insider trading from SEC Form 4. Last filing Jun 20, 2025.
Last 90 days
Net insider value
$0
no open-market trades
Buys
0
$0 by 0 insiders
Sells
0
$0 by 0 insiders
Insiders on file
12
with a Form 4 at this company
Signals
Open-market buys and sells at Kronos Bio, Inc., scored.
| Score | Insider | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 30Weak | Deborah Knobelman President & Interim CEO sell | $22k 24,838 shares | -15% | - |
Transactions
The last 59 rows filed, every code.
| Date | Insider | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Jun 20, 2025 | Arie Belldegrun director | UTender of shares Common Stockindirect: By Vida Ventures, LLC | -2,765,314 | $0.57 | $1.6M | 0 | Jun 20, 2025 |
| Jun 20, 2025 | Roger D Dansey director | DDisposition to issuer Stock Option (Right to Buy)derivative | -68,000 | $0.00 | $0 | 0 | Jun 20, 2025 |
| Jun 20, 2025 | Roshawn A. Blunt director | DDisposition to issuer Stock Option (Right to Buy)derivative | -41,200 | $0.00 | $0 | 0 | Jun 20, 2025 |
| Jun 20, 2025 | Deborah Knobelman President & Interim CEO | UTender of shares Common Stock | -139,422 | $0.57 | $79k | 0 | Jun 20, 2025 |
| Jun 20, 2025 | Joshua A Kazam director | UTender of shares Common Stock | -94,481 | $0.57 | $54k | 0 | Jun 20, 2025 |
| Jun 20, 2025 | Katherine Stultz V director | DDisposition to issuer Stock Option (Right to Buy)derivative | -68,000 | $0.00 | $0 | 0 | Jun 20, 2025 |
| Jun 20, 2025 | Taiyin Yang director | UTender of shares Common Stock | -11,333 | $0.57 | $6,460 | 0 | Jun 20, 2025 |
| Jun 20, 2025 | David M Tanen director | UTender of shares Common Stock | -363,428 | $0.57 | $207k | 0 | Jun 20, 2025 |
| Jun 20, 2025 | Elena Ridloff director | UTender of shares Common Stock | -25,296 | $0.57 | $14k | 0 | Jun 20, 2025 |
| Jun 20, 2025 | Norbert W Bischofberger director, owner | UTender of shares Common Stockindirect: See Footnote | -10,802,138 | $0.57 | $6.2M | 0 | Jun 20, 2025 |
| Jun 20, 2025 | Taiyin Yang director | DDisposition to issuer Stock Option (Right to Buy)derivative | -41,200 | $0.00 | $0 | 0 | Jun 20, 2025 |
| Jun 20, 2025 | Katherine Stultz V director | DDisposition to issuer Stock Option (Right to Buy)derivative | -7,079 | $0.00 | $0 | 0 | Jun 20, 2025 |
| Jun 20, 2025 | Norbert W Bischofberger director, owner | UTender of shares Common Stockindirect: See Footnote | -263,750 | $0.57 | $150k | 0 | Jun 20, 2025 |
| Jun 20, 2025 | Joshua A Kazam director | DDisposition to issuer Stock Option (Right to Buy)derivative | -20,600 | $0.00 | $0 | 0 | Jun 20, 2025 |
| Jun 20, 2025 | David M Tanen director | UTender of shares Common Stockindirect: See Footnote | -471,230 | $0.57 | $269k | 0 | Jun 20, 2025 |
| Jun 20, 2025 | Deborah Knobelman President & Interim CEO | DDisposition to issuer Employee Stock Option (Right to Buy)derivative | -246,390 | $0.00 | $0 | 0 | Jun 20, 2025 |
| Jun 20, 2025 | Elena Ridloff director | DDisposition to issuer Stock Option (Right to Buy)derivative | -25,879 | $0.00 | $0 | 0 | Jun 20, 2025 |
| Jun 20, 2025 | Roger D Dansey director | DDisposition to issuer Stock Option (Right to Buy)derivative | -5,868 | $0.00 | $0 | 0 | Jun 20, 2025 |
| Jun 20, 2025 | Roshawn A. Blunt director | DDisposition to issuer Stock Option (Right to Buy)derivative | -34,000 | $0.00 | $0 | 0 | Jun 20, 2025 |
| Jun 20, 2025 | Arie Belldegrun director | UTender of shares Common Stockindirect: By Bellco Legacy II Trust | -679,575 | $0.57 | $387k | 0 | Jun 20, 2025 |
| Jun 20, 2025 | Roshawn A. Blunt director | DDisposition to issuer Stock Option (Right to Buy)derivative | -34,000 | $0.00 | $0 | 0 | Jun 20, 2025 |
| Jun 20, 2025 | David M Tanen director | UTender of shares Common Stockindirect: By Son | -26,375 | $0.57 | $15k | 0 | Jun 20, 2025 |
| Jun 20, 2025 | Norbert W Bischofberger director, owner | UTender of shares Common Stockindirect: See Footnote | -263,750 | $0.57 | $150k | 0 | Jun 20, 2025 |
| Jun 20, 2025 | Taiyin Yang director | DDisposition to issuer Stock Option (Right to Buy)derivative | -5,150 | $0.00 | $0 | 0 | Jun 20, 2025 |
| Jun 20, 2025 | Elena Ridloff director | DDisposition to issuer Stock Option (Right to Buy)derivative | -26,871 | $0.00 | $0 | 0 | Jun 20, 2025 |
| Jun 20, 2025 | Katherine Stultz V director | DDisposition to issuer Stock Option (Right to Buy)derivative | -34,000 | $0.00 | $0 | 0 | Jun 20, 2025 |
| Jun 20, 2025 | Arie Belldegrun director | DDisposition to issuer Stock Option (Right to Buy)derivative | -20,600 | $0.00 | $0 | 0 | Jun 20, 2025 |
| Jun 20, 2025 | Roger D Dansey director | DDisposition to issuer Stock Option (Right to Buy)derivative | -34,000 | $0.00 | $0 | 0 | Jun 20, 2025 |
| Jun 20, 2025 | Joshua A Kazam director | DDisposition to issuer Stock Option (Right to Buy)derivative | -34,000 | $0.00 | $0 | 0 | Jun 20, 2025 |
| Jun 20, 2025 | Taiyin Yang director | DDisposition to issuer Stock Option (Right to Buy)derivative | -17,000 | $0.00 | $0 | 0 | Jun 20, 2025 |
| Jun 20, 2025 | Norbert W Bischofberger director, owner | UTender of shares Common Stockindirect: See Footnote | -263,750 | $0.57 | $150k | 0 | Jun 20, 2025 |
| Jun 20, 2025 | David M Tanen director | UTender of shares Common Stockindirect: By Son | -26,375 | $0.57 | $15k | 0 | Jun 20, 2025 |
| Jun 20, 2025 | Roshawn A. Blunt director | DDisposition to issuer Stock Option (Right to Buy)derivative | -34,000 | $0.00 | $0 | 0 | Jun 20, 2025 |
| Jun 20, 2025 | Elena Ridloff director | DDisposition to issuer Stock Option (Right to Buy)derivative | -15,450 | $0.00 | $0 | 0 | Jun 20, 2025 |
| Jun 20, 2025 | Arie Belldegrun director | DDisposition to issuer Stock Option (Right to Buy)derivative | -34,000 | $0.00 | $0 | 0 | Jun 20, 2025 |
| Jun 20, 2025 | Joshua A Kazam director | DDisposition to issuer Stock Option (Right to Buy)derivative | -34,000 | $0.00 | $0 | 0 | Jun 20, 2025 |
| Jun 20, 2025 | Arie Belldegrun director | DDisposition to issuer Stock Option (Right to Buy)derivative | -34,000 | $0.00 | $0 | 0 | Jun 20, 2025 |
| Jun 20, 2025 | Taiyin Yang director | DDisposition to issuer Stock Option (Right to Buy)derivative | -34,000 | $0.00 | $0 | 0 | Jun 20, 2025 |
| Jun 20, 2025 | Elena Ridloff director | DDisposition to issuer Stock Option (Right to Buy)derivative | -34,000 | $0.00 | $0 | 0 | Jun 20, 2025 |
| Jun 20, 2025 | Norbert W Bischofberger director, owner | UTender of shares Common Stockindirect: See Footnote | -263,750 | $0.57 | $150k | 0 | Jun 20, 2025 |
| Jun 20, 2025 | Joshua A Kazam director | DDisposition to issuer Stock Option (Right to Buy)derivative | -34,000 | $0.00 | $0 | 0 | Jun 20, 2025 |
| Jun 20, 2025 | David M Tanen director | UTender of shares Common Stockindirect: By Daughter | -26,375 | $0.57 | $15k | 0 | Jun 20, 2025 |
| Jun 20, 2025 | Elena Ridloff director | DDisposition to issuer Stock Option (Right to Buy)derivative | -17,000 | $0.00 | $0 | 0 | Jun 20, 2025 |
| Jun 20, 2025 | Norbert W Bischofberger director, owner | DDisposition to issuer Employee Stock Option (Right to Buy)derivative | -297,186 | $0.00 | $0 | 0 | Jun 20, 2025 |
| Jun 20, 2025 | David M Tanen director | DDisposition to issuer Stock Option (Right to Buy)derivative | -85,608 | $0.00 | $0 | 0 | Jun 20, 2025 |
| Jun 20, 2025 | Taiyin Yang director | DDisposition to issuer Stock Option (Right to Buy)derivative | -34,000 | $0.00 | $0 | 0 | Jun 20, 2025 |
| Jun 20, 2025 | Arie Belldegrun director | DDisposition to issuer Stock Option (Right to Buy)derivative | -34,000 | $0.00 | $0 | 0 | Jun 20, 2025 |
| Jun 20, 2025 | David M Tanen director | DDisposition to issuer Stock Option (Right to Buy)derivative | -19,892 | $0.00 | $0 | 0 | Jun 20, 2025 |
| Jun 20, 2025 | Norbert W Bischofberger director, owner | DDisposition to issuer Employee Stock Option (Right to Buy)derivative | -400,000 | $0.00 | $0 | 0 | Jun 20, 2025 |
| Jun 20, 2025 | Elena Ridloff director | DDisposition to issuer Stock Option (Right to Buy)derivative | -17,000 | $0.00 | $0 | 0 | Jun 20, 2025 |
| Jun 20, 2025 | David M Tanen director | DDisposition to issuer Stock Option (Right to Buy)derivative | -20,600 | $0.00 | $0 | 0 | Jun 20, 2025 |
| Jun 20, 2025 | Norbert W Bischofberger director, owner | DDisposition to issuer Employee Stock Option (Right to Buy)derivative | -570,868 | $0.00 | $0 | 0 | Jun 20, 2025 |
| Jun 20, 2025 | David M Tanen director | DDisposition to issuer Stock Option (Right to Buy)derivative | -34,000 | $0.00 | $0 | 0 | Jun 20, 2025 |
| Jun 20, 2025 | Norbert W Bischofberger director, owner | DDisposition to issuer Employee Stock Option (Right to Buy)derivative | -699,800 | $0.00 | $0 | 0 | Jun 20, 2025 |
| Jun 20, 2025 | David M Tanen director | DDisposition to issuer Stock Option (Right to Buy)derivative | -34,000 | $0.00 | $0 | 0 | Jun 20, 2025 |
| Jun 20, 2025 | David M Tanen director | DDisposition to issuer Stock Option (Right to Buy)derivative | -34,000 | $0.00 | $0 | 0 | Jun 20, 2025 |
| Jun 5, 2025 | Deborah Knobelman President & Interim CEO | SOpen-market sale Common Stock | -24,838 | $0.87 | $22k | 139,422 | Jun 6, 2025 |
| Oct 15, 2024 | Allison Frisbee Chief Administrative Officer | AGrant or award Employee Stock Option (Right to Buy)derivative | +72,900 | $0.00 | $0 | 72,900 | Oct 15, 2024 |
| Oct 15, 2024 | Charles Y Lin Chief Scientific Officer | AGrant or award Employee Stock Option (Right to Buy)derivative | +72,900 | $0.00 | $0 | 72,900 | Oct 15, 2024 |
Insiders
Everyone who has filed a Form 4 here.
- Norbert W Bischofbergerdirector, owner
- Arie Belldegrundirector, owner
- Roshawn A. Bluntdirector
- Roger D Danseydirector
- Allison FrisbeeChief Administrative Officer
- Deborah KnobelmanPresident & Interim CEO
- Joshua A Kazamdirector
- Charles Y LinChief Scientific Officer
- Elena Ridloffcfo, officer, director
- Katherine Stultz Vdirector
- David M Tanendirector
- Taiyin Yangdirector
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.