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$KROS

$12.03 +$0.23 (1.95%)

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Insider Transactions

Insider Transaction Summary

Late Stage GP Ltd. Pontifax

2,288,151 shares

Net: 0 B/S: -

(Israel) IV, L.P. Pontifax

2,284,612 shares

Net: 0 B/S: -

Management 4 G.P. (2015) Ltd. Pontifax

2,261,517 shares

Net: 0 B/S: -

Alon Lazarus

2,013,102 shares

Net: 0 B/S: -

Moshe Arkin

2,013,102 shares

Net: 0 B/S: -

CARL L GORDON

759,155 shares

Net: -140,057 B/S: -

ADVISORS LLC ORBIMED

759,155 shares

Net: -140,057 B/S: -

Jasbir Seehra

440,708 shares

Net: +417,985 B/S: 60.58

Jennifer Lachey

95,100 shares

Net: 0 B/S: -

Esther Cho

80,000 shares

Net: +155,255 B/S: 33.72

Lorena Raquel Lerner

75,000 shares

Net: +71,127 B/S: 19.36

Keith Regnante

60,000 shares

Net: +55,261 B/S: 12.66

Christopher Rovaldi

60,000 shares

Net: 0 B/S: -

YUNG H. CHYUNG

44,000 shares

Net: 0 B/S: -

Simon Peter Cooper

40,000 shares

Net: 0 B/S: -

JEAN JACQUES BIENAIME

16,592 shares

Net: +11,142 B/S: ∞

Charles W. Newton

13,215 shares

Net: +13,215 B/S: ∞

MARY ANN GRAY

12,392 shares

Net: +7,142 B/S: ∞

Julius Knowles

10,958 shares

Net: -187,010 B/S: 2.72

Alpna Seth

9,767 shares

Net: +4,517 B/S: 2.72

Nima Farzan

9,767 shares

Net: +4,517 B/S: 2.72

Ran Nussbaum

5,250 shares

Net: 0 B/S: -

Claudia Ordonez

347 shares

Net: 0 B/S: -

Tomer Kariv

0 shares

Net: -2,284,612 B/S: -

Daniel Schneeberger

0 shares

Net: -4,391,237 B/S: -

Insider Name	Current Shares	Net Change (1yr)	Buy/Sell Ratio
Late Stage GP Ltd. Pontifax	2,288,151	0	-
(Israel) IV, L.P. Pontifax	2,284,612	0	-
Management 4 G.P. (2015) Ltd. Pontifax	2,261,517	0	-
Alon Lazarus	2,013,102	0	-
Moshe Arkin	2,013,102	0	-
CARL L GORDON	759,155	-140,057	-
ADVISORS LLC ORBIMED	759,155	-140,057	-
Jasbir Seehra	440,708	+417,985	60.58
Jennifer Lachey	95,100	0	-
Esther Cho	80,000	+155,255	33.72
Lorena Raquel Lerner	75,000	+71,127	19.36
Keith Regnante	60,000	+55,261	12.66
Christopher Rovaldi	60,000	0	-
YUNG H. CHYUNG	44,000	0	-
Simon Peter Cooper	40,000	0	-
JEAN JACQUES BIENAIME	16,592	+11,142	∞
Charles W. Newton	13,215	+13,215	∞
MARY ANN GRAY	12,392	+7,142	∞
Julius Knowles	10,958	-187,010	2.72
Alpna Seth	9,767	+4,517	2.72
Nima Farzan	9,767	+4,517	2.72
Ran Nussbaum	5,250	0	-
Claudia Ordonez	347	0	-
Tomer Kariv	0	-2,284,612	-
Daniel Schneeberger	0	-4,391,237	-

Individual Transactions

June 04, 2026

Alpna Seth

Open Market Sale

Change: -2,625

Price: $10.72

Shares: 9,767

Value: -$28,140

Nima Farzan

Open Market Sale

Change: -2,625

Price: $10.73

Shares: 9,767

Value: -$28,166

Julius Knowles

Open Market Sale

Change: -2,625

Price: $10.73

Shares: 10,958

Value: -$28,166

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Alpna Seth	Jun 05	Open Market Sale (S) Market Sale	9,767	-2,625	$10.72	-$28,140
Nima Farzan	Jun 08	Open Market Sale (S) Market Sale	9,767	-2,625	$10.73	-$28,166
Julius Knowles	Jun 08	Open Market Sale (S) Market Sale	10,958	-2,625	$10.73	-$28,166

June 03, 2026

JEAN JACQUES BIENAIME

Grant/Award Acquisition

Change: +7,142

Price: $0.00

Shares: 16,592

Value: +$0

MARY ANN GRAY

Grant/Award Acquisition

Change: +7,142

Price: $0.00

Shares: 12,392

Value: +$0

Alpna Seth

Grant/Award Acquisition

Change: +7,142

Price: $0.00

Shares: 12,392

Value: +$0

Nima Farzan

Grant/Award Acquisition

Change: +7,142

Price: $0.00

Shares: 12,392

Value: +$0

Julius Knowles

Grant/Award Acquisition

Change: +7,142

Price: $0.00

Shares: 13,583

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
JEAN JACQUES BIENAIME	Jun 05	Grant/Award Acquisition (A) Compensation/Award	16,592	+7,142	$0.00	+$0
MARY ANN GRAY	Jun 05	Grant/Award Acquisition (A) Compensation/Award	12,392	+7,142	$0.00	+$0
Alpna Seth	Jun 05	Grant/Award Acquisition (A) Compensation/Award	12,392	+7,142	$0.00	+$0
Nima Farzan	Jun 05	Grant/Award Acquisition (A) Compensation/Award	12,392	+7,142	$0.00	+$0
Julius Knowles	Jun 05	Grant/Award Acquisition (A) Compensation/Award	13,583	+7,142	$0.00	+$0

May 15, 2026

JEAN JACQUES BIENAIME

Open Market Purchase

Change: +1,000

Price: $10.58

Shares: 9,450

Value: +$10,580

Insider	Filing Date	Transaction	Shares	Change	Price	Value
JEAN JACQUES BIENAIME	May 19	Open Market Purchase (P) Market Purchase	9,450	+1,000	$10.58	+$10,580

April 15, 2026

JEAN JACQUES BIENAIME

Open Market Purchase

Change: +1,000

Price: $11.70

Shares: 8,450

Value: +$11,700

Insider	Filing Date	Transaction	Shares	Change	Price	Value
JEAN JACQUES BIENAIME	Apr 17	Open Market Purchase (P) Market Purchase	8,450	+1,000	$11.70	+$11,700

April 02, 2026

Jasbir Seehra

Option Exercise/Conversion

Change: +55,000

Price: $0.30

Shares: 440,708

Value: +$16,500

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Jasbir Seehra	Apr 06	Option Exercise/Conversion (M) Compensation/Award	440,708	+55,000	$0.30	+$16,500

March 09, 2026

JEAN JACQUES BIENAIME

Open Market Purchase

Change: +2,000

Price: $11.21

Shares: 7,450

Value: +$22,420

Charles W. Newton

Grant/Award Acquisition

Change: +13,215

Price: $0.00

Shares: 13,215

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
JEAN JACQUES BIENAIME	Mar 11	Open Market Purchase (P) Market Purchase	7,450	+2,000	$11.21	+$22,420
Charles W. Newton	Mar 11	Grant/Award Acquisition (A) Compensation/Award	13,215	+13,215	$0.00	+$0

February 24, 2026

Esther Cho

Grant/Award Acquisition

Change: +80,000

Price: $0.00

Shares: 80,000

Value: +$0

Lorena Raquel Lerner

Grant/Award Acquisition

Change: +75,000

Price: $0.00

Shares: 75,000

Value: +$0

Esther Cho

Grant/Award Acquisition

Change: +80,000

Price: $0.00

Shares: 80,000

Value: +$0

Keith Regnante

Grant/Award Acquisition

Change: +60,000

Price: $0.00

Shares: 60,000

Value: +$0

Jasbir Seehra

Grant/Award Acquisition

Change: +217,000

Price: $0.00

Shares: 217,000

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Esther Cho	Mar 27	Grant/Award Acquisition (A) Compensation/Award	80,000	+80,000	$0.00	+$0
Lorena Raquel Lerner	Feb 26	Grant/Award Acquisition (A) Compensation/Award	75,000	+75,000	$0.00	+$0
Esther Cho	Feb 26	Grant/Award Acquisition (A) Compensation/Award	80,000	+80,000	$0.00	+$0
Keith Regnante	Feb 26	Grant/Award Acquisition (A) Compensation/Award	60,000	+60,000	$0.00	+$0
Jasbir Seehra	Feb 26	Grant/Award Acquisition (A) Compensation/Award	217,000	+217,000	$0.00	+$0

February 19, 2026

Jasbir Seehra

Open Market Sale

Change: -7,015

Price: $16.17

Shares: 385,708

Value: -$113,432

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Jasbir Seehra	Feb 20	Open Market Sale (S) Market Sale	385,708	-7,015	$16.17	-$113,432

February 18, 2026

Esther Cho

Open Market Sale

Change: -4,745

Price: $16.35

Shares: 39,755

Value: -$77,580

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Esther Cho	Feb 20	Open Market Sale (S) Market Sale	39,755	-4,745	$16.35	-$77,580