KRON

Kronos Bio, Inc.

Insider trading activity for Kronos Bio, Inc., straight from SEC Form 4 filings. Net figures below count open-market buys and sales only — grants, option exercises and tax withholding are excluded because they are compensation, not decisions to trade.

Past 3 months

net buying

Bought(0 · 0 insiders): $0
Sold(0 · 0 insiders): $0

Past 6 months

net buying

Bought(0 · 0 insiders): $0
Sold(0 · 0 insiders): $0

Past 12 months

net buying

Bought(0 · 0 insiders): $0
Sold(0 · 0 insiders): $0

Transaction history

The 57 most recent Form 4 transactions.

Open in screener →

Insider transactions, newest first: date, security, transaction type, size and a link to the filing each row came from.
Date	Insider	Role	Type	Shares	Price	Value	Δ Own	Filing
Jun 20, 2025	Ridloff Elena	Director	DTOISS◆	17,000	—	—	—	Open the original filing on SEC.gov
Jun 20, 2025	Ridloff Elena	Director	DTOISS◆	17,000	—	—	—	Open the original filing on SEC.gov
Jun 20, 2025	Ridloff Elena	Director	DTOISS◆	34,000	—	—	—	Open the original filing on SEC.gov
Jun 20, 2025	Ridloff Elena	Director	DTOISS◆	15,450	—	—	—	Open the original filing on SEC.gov
Jun 20, 2025	Ridloff Elena	Director	DTOISS◆	26,871	—	—	—	Open the original filing on SEC.gov
Jun 20, 2025	Ridloff Elena	Director	DTOISS◆	25,879	—	—	—	Open the original filing on SEC.gov
Jun 20, 2025	Ridloff Elena	Director	UTENDR	25,296	$0.57	$14.4K	-100.0%	Open the original filing on SEC.gov
Jun 20, 2025	Tanen David M	Director	DTOISS◆	34,000	—	—	—	Open the original filing on SEC.gov
Jun 20, 2025	Tanen David M	Director	DTOISS◆	34,000	—	—	—	Open the original filing on SEC.gov
Jun 20, 2025	Tanen David M	Director	DTOISS◆	34,000	—	—	—	Open the original filing on SEC.gov
Jun 20, 2025	Tanen David M	Director	DTOISS◆	20,600	—	—	—	Open the original filing on SEC.gov
Jun 20, 2025	Tanen David M	Director	DTOISS◆	19,892	—	—	—	Open the original filing on SEC.gov
Jun 20, 2025	Tanen David M	Director	DTOISS◆	85,608	—	—	—	Open the original filing on SEC.gov
Jun 20, 2025	Tanen David M	Director	UTENDR	26,375	$0.57	$15K	-100.0%	Open the original filing on SEC.gov
Jun 20, 2025	Tanen David M	Director	UTENDR	26,375	$0.57	$15K	-100.0%	Open the original filing on SEC.gov
Jun 20, 2025	Tanen David M	Director	UTENDR	26,375	$0.57	$15K	-100.0%	Open the original filing on SEC.gov
Jun 20, 2025	Tanen David M	Director	UTENDR	471,230	$0.57	$268.6K	-100.0%	Open the original filing on SEC.gov
Jun 20, 2025	Tanen David M	Director	UTENDR	363,428	$0.57	$207.2K	-100.0%	Open the original filing on SEC.gov
Jun 20, 2025	Yang Taiyin	Director	DTOISS◆	34,000	—	—	—	Open the original filing on SEC.gov
Jun 20, 2025	Yang Taiyin	Director	DTOISS◆	34,000	—	—	—	Open the original filing on SEC.gov
Jun 20, 2025	Yang Taiyin	Director	DTOISS◆	17,000	—	—	—	Open the original filing on SEC.gov
Jun 20, 2025	Yang Taiyin	Director	DTOISS◆	5,150	—	—	—	Open the original filing on SEC.gov
Jun 20, 2025	Yang Taiyin	Director	DTOISS◆	41,200	—	—	—	Open the original filing on SEC.gov
Jun 20, 2025	Yang Taiyin	Director	UTENDR	11,333	$0.57	$6.5K	-100.0%	Open the original filing on SEC.gov
Jun 20, 2025	Stultz Katherine V	Director	DTOISS◆	34,000	—	—	—	Open the original filing on SEC.gov
Jun 20, 2025	Stultz Katherine V	Director	DTOISS◆	7,079	—	—	—	Open the original filing on SEC.gov
Jun 20, 2025	Stultz Katherine V	Director	DTOISS◆	68,000	—	—	—	Open the original filing on SEC.gov
Jun 20, 2025	Kazam Joshua A	Director	DTOISS◆	34,000	—	—	—	Open the original filing on SEC.gov
Jun 20, 2025	Kazam Joshua A	Director	DTOISS◆	34,000	—	—	—	Open the original filing on SEC.gov
Jun 20, 2025	Kazam Joshua A	Director	DTOISS◆	34,000	—	—	—	Open the original filing on SEC.gov
Jun 20, 2025	Kazam Joshua A	Director	DTOISS◆	20,600	—	—	—	Open the original filing on SEC.gov
Jun 20, 2025	Kazam Joshua A	Director	UTENDR	94,481	$0.57	$53.9K	-100.0%	Open the original filing on SEC.gov
Jun 20, 2025	Knobelman Deborah	President & Interim CEO	DTOISS◆	246,390	—	—	—	Open the original filing on SEC.gov
Jun 20, 2025	Knobelman Deborah	President & Interim CEO	UTENDR	139,422	$0.57	$79.5K	-100.0%	Open the original filing on SEC.gov
Jun 20, 2025	Dansey Roger D	Director	DTOISS◆	34,000	—	—	—	Open the original filing on SEC.gov
Jun 20, 2025	Dansey Roger D	Director	DTOISS◆	5,868	—	—	—	Open the original filing on SEC.gov
Jun 20, 2025	Dansey Roger D	Director	DTOISS◆	68,000	—	—	—	Open the original filing on SEC.gov
Jun 20, 2025	Blunt Roshawn A.	Director	DTOISS◆	34,000	—	—	—	Open the original filing on SEC.gov
Jun 20, 2025	Blunt Roshawn A.	Director	DTOISS◆	34,000	—	—	—	Open the original filing on SEC.gov
Jun 20, 2025	Blunt Roshawn A.	Director	DTOISS◆	34,000	—	—	—	Open the original filing on SEC.gov
Jun 20, 2025	Blunt Roshawn A.	Director	DTOISS◆	41,200	—	—	—	Open the original filing on SEC.gov
Jun 20, 2025	Belldegrun Arie	Director	DTOISS◆	34,000	—	—	—	Open the original filing on SEC.gov
Jun 20, 2025	Belldegrun Arie	Director	DTOISS◆	34,000	—	—	—	Open the original filing on SEC.gov
Jun 20, 2025	Belldegrun Arie	Director	DTOISS◆	34,000	—	—	—	Open the original filing on SEC.gov
Jun 20, 2025	Belldegrun Arie	Director	DTOISS◆	20,600	—	—	—	Open the original filing on SEC.gov
Jun 20, 2025	Belldegrun Arie	Director	UTENDR	679,575	$0.57	$387.4K	-100.0%	Open the original filing on SEC.gov
Jun 20, 2025	Belldegrun Arie	Director	UTENDR	2.8M	$0.57	$1.6M	-100.0%	Open the original filing on SEC.gov
Jun 20, 2025	Bischofberger Norbert W	Director, 10% Owner	DTOISS◆	699,800	—	—	—	Open the original filing on SEC.gov
Jun 20, 2025	Bischofberger Norbert W	Director, 10% Owner	DTOISS◆	570,868	—	—	—	Open the original filing on SEC.gov
Jun 20, 2025	Bischofberger Norbert W	Director, 10% Owner	DTOISS◆	400,000	—	—	—	Open the original filing on SEC.gov
Jun 20, 2025	Bischofberger Norbert W	Director, 10% Owner	DTOISS◆	297,186	—	—	—	Open the original filing on SEC.gov
Jun 20, 2025	Bischofberger Norbert W	Director, 10% Owner	UTENDR	263,750	$0.57	$150.3K	-100.0%	Open the original filing on SEC.gov
Jun 20, 2025	Bischofberger Norbert W	Director, 10% Owner	UTENDR	263,750	$0.57	$150.3K	-100.0%	Open the original filing on SEC.gov
Jun 20, 2025	Bischofberger Norbert W	Director, 10% Owner	UTENDR	263,750	$0.57	$150.3K	-100.0%	Open the original filing on SEC.gov
Jun 20, 2025	Bischofberger Norbert W	Director, 10% Owner	UTENDR	263,750	$0.57	$150.3K	-100.0%	Open the original filing on SEC.gov
Jun 20, 2025	Bischofberger Norbert W	Director, 10% Owner	UTENDR	10.8M	$0.57	$6.2M	-100.0%	Open the original filing on SEC.gov
Jun 5, 2025	Knobelman Deborah	President & Interim CEO	SSELL	24,838	$0.8678	$21.6K	-15.1%	Open the original filing on SEC.gov

DTOISS◆—

Ridloff Elena · DirectorJun 20, 2025

17,000 sh

DTOISS◆—

Ridloff Elena · DirectorJun 20, 2025

17,000 sh

DTOISS◆—

Ridloff Elena · DirectorJun 20, 2025

34,000 sh

DTOISS◆—

Ridloff Elena · DirectorJun 20, 2025

15,450 sh

DTOISS◆—

Ridloff Elena · DirectorJun 20, 2025

26,871 sh

DTOISS◆—

Ridloff Elena · DirectorJun 20, 2025

25,879 sh

UTENDR$14.4K

Ridloff Elena · DirectorJun 20, 2025

25,296 sh @ $0.57 · -100.0% own

DTOISS◆—

Tanen David M · DirectorJun 20, 2025

34,000 sh

DTOISS◆—

Tanen David M · DirectorJun 20, 2025

34,000 sh

DTOISS◆—

Tanen David M · DirectorJun 20, 2025

34,000 sh

DTOISS◆—

Tanen David M · DirectorJun 20, 2025

20,600 sh

DTOISS◆—

Tanen David M · DirectorJun 20, 2025

19,892 sh

DTOISS◆—

Tanen David M · DirectorJun 20, 2025

85,608 sh

UTENDR$15K

Tanen David M · DirectorJun 20, 2025

26,375 sh @ $0.57 · -100.0% own

UTENDR$15K

Tanen David M · DirectorJun 20, 2025

26,375 sh @ $0.57 · -100.0% own

UTENDR$15K

Tanen David M · DirectorJun 20, 2025

26,375 sh @ $0.57 · -100.0% own

UTENDR$268.6K

Tanen David M · DirectorJun 20, 2025

471,230 sh @ $0.57 · -100.0% own

UTENDR$207.2K

Tanen David M · DirectorJun 20, 2025

363,428 sh @ $0.57 · -100.0% own

DTOISS◆—

Yang Taiyin · DirectorJun 20, 2025

34,000 sh

DTOISS◆—

Yang Taiyin · DirectorJun 20, 2025

34,000 sh

DTOISS◆—

Yang Taiyin · DirectorJun 20, 2025

17,000 sh

DTOISS◆—

Yang Taiyin · DirectorJun 20, 2025

5,150 sh

DTOISS◆—

Yang Taiyin · DirectorJun 20, 2025

41,200 sh

UTENDR$6.5K

Yang Taiyin · DirectorJun 20, 2025

11,333 sh @ $0.57 · -100.0% own

DTOISS◆—

Stultz Katherine V · DirectorJun 20, 2025

34,000 sh

DTOISS◆—

Stultz Katherine V · DirectorJun 20, 2025

7,079 sh

DTOISS◆—

Stultz Katherine V · DirectorJun 20, 2025

68,000 sh

DTOISS◆—

Kazam Joshua A · DirectorJun 20, 2025

34,000 sh

DTOISS◆—

Kazam Joshua A · DirectorJun 20, 2025

34,000 sh

DTOISS◆—

Kazam Joshua A · DirectorJun 20, 2025

34,000 sh

DTOISS◆—

Kazam Joshua A · DirectorJun 20, 2025

20,600 sh

UTENDR$53.9K

Kazam Joshua A · DirectorJun 20, 2025

94,481 sh @ $0.57 · -100.0% own

DTOISS◆—

Knobelman Deborah · President &…Jun 20, 2025

246,390 sh

UTENDR$79.5K

Knobelman Deborah · President &…Jun 20, 2025

139,422 sh @ $0.57 · -100.0% own

DTOISS◆—

Dansey Roger D · DirectorJun 20, 2025

34,000 sh

DTOISS◆—

Dansey Roger D · DirectorJun 20, 2025

5,868 sh

DTOISS◆—

Dansey Roger D · DirectorJun 20, 2025

68,000 sh

DTOISS◆—

Blunt Roshawn A. · DirectorJun 20, 2025

34,000 sh

DTOISS◆—

Blunt Roshawn A. · DirectorJun 20, 2025

34,000 sh

DTOISS◆—

Blunt Roshawn A. · DirectorJun 20, 2025

34,000 sh

DTOISS◆—

Blunt Roshawn A. · DirectorJun 20, 2025

41,200 sh

DTOISS◆—

Belldegrun Arie · DirectorJun 20, 2025

34,000 sh

DTOISS◆—

Belldegrun Arie · DirectorJun 20, 2025

34,000 sh

DTOISS◆—

Belldegrun Arie · DirectorJun 20, 2025

34,000 sh

DTOISS◆—

Belldegrun Arie · DirectorJun 20, 2025

20,600 sh

UTENDR$387.4K

Belldegrun Arie · DirectorJun 20, 2025

679,575 sh @ $0.57 · -100.0% own

UTENDR$1.6M

Belldegrun Arie · DirectorJun 20, 2025

2.8M sh @ $0.57 · -100.0% own

DTOISS◆—

Bischofberger Norbert W · Director, 10%…Jun 20, 2025

699,800 sh

DTOISS◆—

Bischofberger Norbert W · Director, 10%…Jun 20, 2025

570,868 sh

DTOISS◆—

Bischofberger Norbert W · Director, 10%…Jun 20, 2025

400,000 sh

DTOISS◆—

Bischofberger Norbert W · Director, 10%…Jun 20, 2025

297,186 sh

UTENDR$150.3K

Bischofberger Norbert W · Director, 10%…Jun 20, 2025

263,750 sh @ $0.57 · -100.0% own

UTENDR$150.3K

Bischofberger Norbert W · Director, 10%…Jun 20, 2025

263,750 sh @ $0.57 · -100.0% own

UTENDR$150.3K

Bischofberger Norbert W · Director, 10%…Jun 20, 2025

263,750 sh @ $0.57 · -100.0% own

UTENDR$150.3K

Bischofberger Norbert W · Director, 10%…Jun 20, 2025

263,750 sh @ $0.57 · -100.0% own

UTENDR$6.2M

Bischofberger Norbert W · Director, 10%…Jun 20, 2025

10.8M sh @ $0.57 · -100.0% own

SSELL$21.6K

Knobelman Deborah · President &…Jun 5, 2025

24,838 sh @ $0.8678 · -15.1% own

Filing record

How quickly insiders here report their trades. Section 16 allows two business days from the transaction.

All 1 filing we hold were filed within the two-business-day deadline.

Counted in business days from the transaction date, or the deemed execution date where the filing reports one, excluding weekends and federal holidays. How this is measured · All late filings

Insiders at this company

Everyone who has filed a Form 4 for this issuer.

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