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$KOS

$2.58 -$0.11 (4.09%)

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Valuations P Insider Transactions P Congressional Trades P

Insider Transactions

Insider Transaction Summary

David Benjamin Krieger

68,574,222 shares

Net: 0 B/S: -

Participation Partnership (Cayman) IV L.P. Blackstone

49,756,101 shares

Net: 0 B/S: -

Group L.P. Blackstone

49,756,101 shares

Net: 0 B/S: -

Pincus International Partners, L.P. Warburg

49,185,985 shares

Net: 0 B/S: -

STEPHEN A SCHWARZMAN

46,665,299 shares

Net: 0 B/S: -

Joseph P. Landy

44,340,479 shares

Net: 0 B/S: -

PINCUS CO. WARBURG

33,227,588 shares

Net: 0 B/S: -

IV GP L.L.C. BCP

25,563,334 shares

Net: 0 B/S: -

Holdings III L.P. Blackstone

25,563,334 shares

Net: 0 B/S: -

Adebayo O. Ogunlesi

5,036,228 shares

Net: +3,219,939 B/S: ∞

ANDREW G INGLIS

4,542,807 shares

Net: +583,807 B/S: 4.94

PINCUS & CO. WARBURG

2,943,178 shares

Net: 0 B/S: -

Nealesh D. Shah

1,863,061 shares

Net: +307,687 B/S: 4.89

Christopher James Ball

1,639,925 shares

Net: 0 B/S: -

BRIAN F MAXTED

1,282,641 shares

Net: 0 B/S: -

Jason Doughty

1,244,324 shares

Net: 0 B/S: -

Richard Ryan Clark

875,694 shares

Net: 0 B/S: -

Christopher Alan Wright

749,232 shares

Net: 0 B/S: -

THOMAS P CHAMBERS

678,178 shares

Net: 0 B/S: -

Marvin M Garrett

523,016 shares

Net: 0 B/S: -

Eric Haas

465,960 shares

Net: 0 B/S: -

PAUL NOBEL

447,633 shares

Net: 0 B/S: -

Steven Sterin

393,339 shares

Net: +23,408 B/S: 1.61

Ronald W. Glass

339,632 shares

Net: +40,134 B/S: 2.78

DEANNA L GOODWIN

288,363 shares

Net: +62,044 B/S: ∞

J MICHAEL STICE

269,664 shares

Net: +114,675 B/S: ∞

Hanssen Maria Moraeus

223,694 shares

Net: +62,044 B/S: ∞

Roy A. Franklin

212,766 shares

Net: +17,602 B/S: 1.43

CHRIS TONG

205,777 shares

Net: 0 B/S: -

Josh R. Marion

194,125 shares

Net: +42,801 B/S: 2.87

John Douglas Kelso Grant

144,355 shares

Net: +17,843 B/S: 1.43

Lisa Ann Davis

143,162 shares

Net: 0 B/S: -

Michael James Anderson

140,302 shares

Net: 0 B/S: -

Sir Richard Billing Dearlove

133,476 shares

Net: 0 B/S: -

Yves-Louis Darricarrere

65,191 shares

Net: 0 B/S: -

Insider Name	Current Shares	Net Change (1yr)	Buy/Sell Ratio
David Benjamin Krieger	68,574,222	0	-
Participation Partnership (Cayman) IV L.P. Blackstone	49,756,101	0	-
Group L.P. Blackstone	49,756,101	0	-
Pincus International Partners, L.P. Warburg	49,185,985	0	-
STEPHEN A SCHWARZMAN	46,665,299	0	-
Joseph P. Landy	44,340,479	0	-
PINCUS CO. WARBURG	33,227,588	0	-
IV GP L.L.C. BCP	25,563,334	0	-
Holdings III L.P. Blackstone	25,563,334	0	-
Adebayo O. Ogunlesi	5,036,228	+3,219,939	∞
ANDREW G INGLIS	4,542,807	+583,807	4.94
PINCUS & CO. WARBURG	2,943,178	0	-
Nealesh D. Shah	1,863,061	+307,687	4.89
Christopher James Ball	1,639,925	0	-
BRIAN F MAXTED	1,282,641	0	-
Jason Doughty	1,244,324	0	-
Richard Ryan Clark	875,694	0	-
Christopher Alan Wright	749,232	0	-
THOMAS P CHAMBERS	678,178	0	-
Marvin M Garrett	523,016	0	-
Eric Haas	465,960	0	-
PAUL NOBEL	447,633	0	-
Steven Sterin	393,339	+23,408	1.61
Ronald W. Glass	339,632	+40,134	2.78
DEANNA L GOODWIN	288,363	+62,044	∞
J MICHAEL STICE	269,664	+114,675	∞
Hanssen Maria Moraeus	223,694	+62,044	∞
Roy A. Franklin	212,766	+17,602	1.43
CHRIS TONG	205,777	0	-
Josh R. Marion	194,125	+42,801	2.87
John Douglas Kelso Grant	144,355	+17,843	1.43
Lisa Ann Davis	143,162	0	-
Michael James Anderson	140,302	0	-
Sir Richard Billing Dearlove	133,476	0	-
Yves-Louis Darricarrere	65,191	0	-

Individual Transactions

May 28, 2026

Steven Sterin

Grant/Award Acquisition

Change: +62,044

Price: $2.74

Shares: 393,339

Value: +$170,000

Roy A. Franklin

Open Market Sale

Change: -43,466

Price: $2.73

Shares: 150,722

Value: -$118,662

DEANNA L GOODWIN

Grant/Award Acquisition

Change: +62,044

Price: $2.74

Shares: 288,363

Value: +$170,000

Hanssen Maria Moraeus

Grant/Award Acquisition

Change: +62,044

Price: $2.74

Shares: 223,694

Value: +$170,000

John Douglas Kelso Grant

Grant/Award Acquisition

Change: +62,044

Price: $2.74

Shares: 144,355

Value: +$170,000

J MICHAEL STICE

Grant/Award Acquisition

Change: +62,044

Price: $2.74

Shares: 269,664

Value: +$170,000

Roy A. Franklin

Grant/Award Acquisition

Change: +62,044

Price: $2.74

Shares: 212,766

Value: +$170,000

Adebayo O. Ogunlesi

Grant/Award Acquisition

Change: +62,044

Price: $2.74

Shares: 5,036,228

Value: +$170,000

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Steven Sterin	May 29	Grant/Award Acquisition (A) Compensation/Award	393,339	+62,044	$2.74	+$170,000
Roy A. Franklin	May 29	Open Market Sale (S) Market Sale	150,722	-43,466	$2.73	-$118,662
DEANNA L GOODWIN	May 29	Grant/Award Acquisition (A) Compensation/Award	288,363	+62,044	$2.74	+$170,000
Hanssen Maria Moraeus	May 29	Grant/Award Acquisition (A) Compensation/Award	223,694	+62,044	$2.74	+$170,000
John Douglas Kelso Grant	May 29	Grant/Award Acquisition (A) Compensation/Award	144,355	+62,044	$2.74	+$170,000
J MICHAEL STICE	May 29	Grant/Award Acquisition (A) Compensation/Award	269,664	+62,044	$2.74	+$170,000
Roy A. Franklin	May 29	Grant/Award Acquisition (A) Compensation/Award	212,766	+62,044	$2.74	+$170,000
Adebayo O. Ogunlesi	May 29	Grant/Award Acquisition (A) Compensation/Award	5,036,228	+62,044	$2.74	+$170,000

May 27, 2026

Steven Sterin

Open Market Sale

Change: -38,636

Price: $2.73

Shares: 331,295

Value: -$105,476

Roy A. Franklin

Tax Payment

Change: -976

Price: $2.85

Shares: 194,188

Value: -$2,781

John Douglas Kelso Grant

Tax Payment

Change: -735

Price: $2.85

Shares: 125,777

Value: -$2,094

John Douglas Kelso Grant

Open Market Sale

Change: -43,466

Price: $2.73

Shares: 82,311

Value: -$118,662

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Steven Sterin	May 29	Open Market Sale (S) Market Sale	331,295	-38,636	$2.73	-$105,476
Roy A. Franklin	May 29	Tax Payment (F) Tax Payment	194,188	-976	$2.85	-$2,781
John Douglas Kelso Grant	May 29	Tax Payment (F) Tax Payment	125,777	-735	$2.85	-$2,094
John Douglas Kelso Grant	May 29	Open Market Sale (S) Market Sale	82,311	-43,466	$2.73	-$118,662

March 10, 2026

Nealesh D. Shah

Open Market Purchase

Change: +157,894

Price: $1.90

Shares: 1,863,061

Value: +$299,998

ANDREW G INGLIS

Open Market Purchase

Change: +315,790

Price: $1.90

Shares: 4,542,807

Value: +$600,001

J MICHAEL STICE

Open Market Purchase

Change: +52,631

Price: $1.90

Shares: 207,620

Value: +$99,998

Adebayo O. Ogunlesi

Open Market Purchase

Change: +3,157,895

Price: $1.90

Shares: 4,974,184

Value: +$6,000,000

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Nealesh D. Shah	Mar 12	Open Market Purchase (P) Market Purchase	1,863,061	+157,894	$1.90	+$299,998
ANDREW G INGLIS	Mar 12	Open Market Purchase (P) Market Purchase	4,542,807	+315,790	$1.90	+$600,001
J MICHAEL STICE	Mar 12	Open Market Purchase (P) Market Purchase	207,620	+52,631	$1.90	+$99,998
Adebayo O. Ogunlesi	Mar 12	Open Market Purchase (P) Market Purchase	4,974,184	+3,157,895	$1.90	+$6,000,000

February 04, 2026

Josh R. Marion

Open Market Sale

Change: -3,284

Price: $1.42

Shares: 194,125

Value: -$4,663

Nealesh D. Shah

Open Market Sale

Change: -24,690

Price: $1.42

Shares: 1,705,167

Value: -$35,059

Ronald W. Glass

Open Market Sale

Change: -3,313

Price: $1.42

Shares: 339,632

Value: -$4,704

ANDREW G INGLIS

Open Market Sale

Change: -44,628

Price: $1.42

Shares: 4,227,017

Value: -$63,371

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Josh R. Marion	Feb 05	Open Market Sale (S) Market Sale	194,125	-3,284	$1.42	-$4,663
Nealesh D. Shah	Feb 05	Open Market Sale (S) Market Sale	1,705,167	-24,690	$1.42	-$35,059
Ronald W. Glass	Feb 05	Open Market Sale (S) Market Sale	339,632	-3,313	$1.42	-$4,704
ANDREW G INGLIS	Feb 05	Open Market Sale (S) Market Sale	4,227,017	-44,628	$1.42	-$63,371