There have been 50 recent insider transactions recorded for Kronos Bio, Inc. (KRON), including 23 buys and 25 sells. Total insider buying was valued at $6.61M and total insider selling at $1.83M.
Notable insiders with recent activity include Tanen David M, Bischofberger Norbert W, Kazam Joshua A. Insider transactions can provide insights into how company leadership views the stock's valuation and future prospects.
Insider Transactions — KRON
| Date |
Name |
Role |
Transaction |
Shares |
Avg. Price |
Value |
Shares Owned |
| 2025-06-20 |
Tanen David M |
Director |
Return of Shares |
34,000 |
$0.95 |
$32.3K |
- |
| 2025-06-20 |
Bischofberger Norbert W |
10 Percent Owner |
Return of Shares |
699,800 |
$1.08 |
$755.78K |
- |
| 2025-06-20 |
Kazam Joshua A |
Director |
Return of Shares |
34,000 |
$0.95 |
$32.3K |
- |
| 2025-06-20 |
Belldegrun Arie |
Director |
Return of Shares |
34,000 |
$0.95 |
$32.3K |
- |
| 2025-06-20 |
Yang Taiyin |
Director |
Return of Shares |
34,000 |
$0.95 |
$32.3K |
- |
| 2025-06-20 |
Dansey Roger D |
Director |
Return of Shares |
34,000 |
$0.95 |
$32.3K |
- |
| 2025-06-20 |
Ridloff Elena |
Director |
Return of Shares |
17,000 |
$0.95 |
$16.15K |
- |
| 2025-06-20 |
Blunt Roshawn A. |
Director |
Return of Shares |
34,000 |
$0.95 |
$32.3K |
- |
| 2025-06-20 |
Stultz Katherine V |
Director |
Return of Shares |
34,000 |
$0.95 |
$32.3K |
- |
| 2025-06-20 |
Knobelman Deborah |
President & Interim CEO |
Return of Shares |
246,390 |
$0.75 |
$183.56K |
- |
| 2025-06-05 |
Knobelman Deborah |
President & Interim CEO |
Informative Sell |
24,838 |
$0.87 |
$21.55K |
139,422 |
| 2024-10-15 |
Frisbee Allison |
Chief Administrative Officer |
RSU Award |
72,900 |
$0.96 |
$69.98K |
72,900 |
| 2024-10-15 |
Lin Charles Y |
Chief Scientific Officer |
RSU Award |
72,900 |
$0.96 |
$69.98K |
72,900 |
| 2024-06-28 |
Bischofberger Norbert W |
President & CEO |
Informative Buy |
204,670 |
$1.25 |
$254.96K |
10,802,138 |
| 2024-06-27 |
Bischofberger Norbert W |
President & CEO |
Informative Buy |
410,848 |
$1.17 |
$478.84K |
10,597,468 |
| 2024-06-25 |
Tanen David M |
Director |
RSU Award |
34,000 |
$0.95 |
$32.3K |
34,000 |
| 2024-06-25 |
Kazam Joshua A |
Director |
RSU Award |
34,000 |
$0.95 |
$32.3K |
34,000 |
| 2024-06-25 |
Belldegrun Arie |
Director |
RSU Award |
34,000 |
$0.95 |
$32.3K |
34,000 |
| 2024-06-25 |
Yang Taiyin |
Director |
RSU Award |
34,000 |
$0.95 |
$32.3K |
34,000 |
| 2024-06-25 |
Dansey Roger D |
Director |
RSU Award |
34,000 |
$0.95 |
$32.3K |
34,000 |
| 2024-06-25 |
Ridloff Elena |
Director |
RSU Award |
17,000 |
$0.95 |
$16.15K |
17,000 |
| 2024-06-25 |
Blunt Roshawn A. |
Director |
RSU Award |
34,000 |
$0.95 |
$32.3K |
34,000 |
| 2024-06-25 |
Stultz Katherine V |
Director |
RSU Award |
34,000 |
$0.95 |
$32.3K |
34,000 |
| 2024-06-12 |
Bischofberger Norbert W |
President & CEO |
Informative Buy |
881,913 |
$1.24 |
$1.1M |
7,375,616 |
| 2024-06-11 |
Bischofberger Norbert W |
President & CEO |
Informative Buy |
744,308 |
$1.09 |
$814.57K |
6,493,703 |
| 2024-06-10 |
Bischofberger Norbert W |
President & CEO |
Informative Buy |
1,378,901 |
$0.88 |
$1.21M |
5,749,395 |
| 2024-06-03 |
Knobelman Deborah |
Officer |
Unknown |
- |
- |
- |
- |
| 2024-06-03 |
Knobelman Deborah |
Chief Financial Officer |
RSU Award |
164,260 |
- |
- |
164,260 |
| 2024-02-21 |
Olek Elizabeth A |
Sr VP, Clinical Science |
Informative Sell |
7,368 |
$1.05 |
$7.77K |
193,275 |
| 2024-02-21 |
Frisbee Allison |
Sr VP, Corp Operations & Legal |
Informative Sell |
12,105 |
$1.05 |
$12.76K |
204,510 |
| 2024-02-21 |
Lin Charles Y |
Sr VP, Research & Development |
Informative Sell |
12,036 |
$1.05 |
$12.68K |
234,603 |
| 2024-02-16 |
Olek Elizabeth A |
Sr VP, Clinical Science |
Disposition |
145,795 |
$1.08 |
$157.46K |
- |
| 2024-02-16 |
Frisbee Allison |
Sr VP, Corp Operations & Legal |
Disposition |
145,795 |
$1.08 |
$157.46K |
- |
| 2024-02-16 |
Lin Charles Y |
Sr VP, Research & Development |
Disposition |
145,795 |
$1.08 |
$157.46K |
- |
| 2024-02-15 |
Bischofberger Norbert W |
President & CEO |
RSU Award |
699,800 |
$1.08 |
$755.78K |
699,800 |
| 2024-01-04 |
Kosacz Barbara |
COO & General Counsel |
Informative Sell |
10,676 |
$1.18 |
$12.64K |
928,966 |
| 2024-01-04 |
Dimartino Jorge |
Chief Medical Officer & VP |
Informative Sell |
12,009 |
$1.18 |
$14.21K |
315,246 |
| 2024-01-04 |
Dinsmore Christopher |
Chief Scientific Officer |
Informative Sell |
7,366 |
$1.18 |
$8.72K |
260,969 |
| 2023-12-12 |
Dimartino Jorge |
Chief Medical Officer & VP |
Informative Sell |
17,367 |
$1.31 |
$22.66K |
327,255 |
| 2023-12-12 |
Dinsmore Christopher |
Chief Scientific Officer |
Informative Sell |
10,032 |
$1.31 |
$13.09K |
268,335 |
| 2023-11-17 |
Bischofberger Norbert W |
President & CEO |
Informative Buy |
97,935 |
$1.08 |
$106.16K |
2,540,665 |
| 2023-11-16 |
Bischofberger Norbert W |
President & CEO |
Informative Buy |
262,433 |
$1.00 |
$261.51K |
2,442,730 |
| 2023-11-15 |
Bischofberger Norbert W |
President & CEO |
Informative Buy |
1,370,688 |
$0.80 |
$1.1M |
2,180,297 |
| 2023-09-15 |
Gardiner Sandra A. |
Officer |
Unknown |
- |
- |
- |
- |
| 2023-07-06 |
Al-wakeel Yasir B. |
Chief Financial Officer |
Informative Sell |
9,617 |
$1.75 |
$16.85K |
346,102 |
| 2023-07-06 |
Dimartino Jorge |
Chief Medical Officer & VP |
Informative Sell |
10,818 |
$1.75 |
$18.96K |
344,622 |
| 2023-07-06 |
Dinsmore Christopher |
Chief Scientific Officer |
Informative Sell |
6,634 |
$1.75 |
$11.62K |
278,367 |
| 2023-06-22 |
Tanen David M |
Director |
RSU Award |
34,000 |
$1.48 |
$50.32K |
34,000 |
| 2023-06-22 |
Kazam Joshua A |
Director |
RSU Award |
34,000 |
$1.48 |
$50.32K |
34,000 |
| 2023-06-22 |
Belldegrun Arie |
Director |
RSU Award |
34,000 |
$1.48 |
$50.32K |
34,000 |
■ Informative Buy/Sell — open market transaction (most significant)
■ Uninformative Buy — award, option exercise, conversion
■ Uninformative Sell — tax withholding, award vest sale
■ Neutral — gift, trust, expiry
