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$KROS

$10.59 +$0.09 (0.86%)

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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: -

ADVISORS LLC ORBIMED

759,155 shares

Net: -140,057 B/S: -

CARL L GORDON

759,155 shares

Net: -140,057 B/S: -

Jasbir Seehra

440,708 shares

Net: +417,985 B/S: 60.58

Julius Knowles

150,047 shares

Net: -191,527 B/S: -

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

Christopher Rovaldi

60,000 shares

Net: 0 B/S: -

Keith Regnante

60,000 shares

Net: +55,261 B/S: 12.66

YUNG H. CHYUNG

44,000 shares

Net: 0 B/S: -

Simon Peter Cooper

40,000 shares

Net: 0 B/S: -

Charles W. Newton

13,215 shares

Net: +13,215 B/S: ∞

JEAN JACQUES BIENAIME

8,450 shares

Net: +3,000 B/S: ∞

Nima Farzan

5,250 shares

Net: 0 B/S: -

MARY ANN GRAY

5,250 shares

Net: 0 B/S: -

Ran Nussbaum

5,250 shares

Net: 0 B/S: -

Alpna Seth

5,250 shares

Net: 0 B/S: -

Claudia Ordonez

347 shares

Net: 0 B/S: -

Daniel Schneeberger

0 shares

Net: -4,391,337 B/S: -

Tomer Kariv

0 shares

Net: -2,284,612 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	-
ADVISORS LLC ORBIMED	759,155	-140,057	-
CARL L GORDON	759,155	-140,057	-
Jasbir Seehra	440,708	+417,985	60.58
Julius Knowles	150,047	-191,527	-
Jennifer Lachey	95,100	0	-
Esther Cho	80,000	+155,255	33.72
Lorena Raquel Lerner	75,000	+71,127	19.36
Christopher Rovaldi	60,000	0	-
Keith Regnante	60,000	+55,261	12.66
YUNG H. CHYUNG	44,000	0	-
Simon Peter Cooper	40,000	0	-
Charles W. Newton	13,215	+13,215	∞
JEAN JACQUES BIENAIME	8,450	+3,000	∞
Nima Farzan	5,250	0	-
MARY ANN GRAY	5,250	0	-
Ran Nussbaum	5,250	0	-
Alpna Seth	5,250	0	-
Claudia Ordonez	347	0	-
Daniel Schneeberger	0	-4,391,337	-
Tomer Kariv	0	-2,284,612	-

Individual Transactions

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

Lorena Raquel Lerner

Open Market Sale

Change: -3,873

Price: $16.35

Shares: 31,127

Value: -$63,323

Keith Regnante

Open Market Sale

Change: -4,739

Price: $16.35

Shares: 39,261

Value: -$77,482

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
Lorena Raquel Lerner	Feb 20	Open Market Sale (S) Market Sale	31,127	-3,873	$16.35	-$63,323
Keith Regnante	Feb 20	Open Market Sale (S) Market Sale	39,261	-4,739	$16.35	-$77,482

January 07, 2026

Jasbir Seehra

Grant/Award Acquisition

Change: +62,500

Price: $0.00

Shares: 62,500

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Jasbir Seehra	Jan 09	Grant/Award Acquisition (A) Compensation/Award	62,500	+62,500	$0.00	+$0

November 21, 2025

ADVISORS LLC ORBIMED

Disposition to Issuer

Change: -140,057

Price: $17.75

Shares: 759,155

Value: -$2,486,011

CARL L GORDON

Disposition to Issuer

Change: -140,057

Price: $17.75

Shares: 759,155

Value: -$2,486,011

Julius Knowles

Disposition to Issuer

Change: -191,527

Price: $17.75

Shares: 150,047

Value: -$3,399,604

Insider	Filing Date	Transaction	Shares	Change	Price	Value
ADVISORS LLC ORBIMED	Dec 18	Disposition to Issuer (D) Payment to Issuer	759,155	-140,057	$17.75	-$2,486,011
CARL L GORDON	Dec 18	Disposition to Issuer (D) Payment to Issuer	759,155	-140,057	$17.75	-$2,486,011
Julius Knowles	Dec 18	Disposition to Issuer (D) Payment to Issuer	150,047	-191,527	$17.75	-$3,399,604

October 15, 2025

Daniel Schneeberger

Open Market Sale

Change: -4,391,237

Price: $17.75

Shares: 0

Value: -$77,944,456

Tomer Kariv

Open Market Sale

Change: -2,284,612

Price: $17.75

Shares: 0

Value: -$40,551,863

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Daniel Schneeberger	Oct 15	Open Market Sale (S) Market Sale	0	-4,391,237	$17.75	-$77,944,456
Tomer Kariv	Oct 17	Open Market Sale (S) Market Sale	0	-2,284,612	$17.75	-$40,551,863

September 03, 2025

Jasbir Seehra

Grant/Award Acquisition

Change: +90,500

Price: $0.00

Shares: 392,723

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Jasbir Seehra	Sep 05	Grant/Award Acquisition (A) Compensation/Award	392,723	+90,500	$0.00	+$0