Reporting Manager
BlackRock Portfolio Management LLC
Symbol
KOS
Shares outstanding
487,734,118 shares
Disclosed Ownership
8,291,480 shares
Ownership
1.7%
Form type
SCHEDULE 13G/A
Filing time
21 Jan 2026, 12:26:46 UTC
Date of event
31 Dec 2025
Previous filing
15 Jul 2025

Reporting Managers (1)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
BlackRock Portfolio Management LLC 1.7% 8,291,480 7,756,892 0 Spencer Fleming Managing Director