Reporting Manager
American Century Investment Management, Inc.
Symbol
NOG
Shares outstanding
99,178,123 shares
Disclosed Ownership
8,033,428 shares
Ownership
8.1%
Form type
SCHEDULE 13G/A
Filing time
14 Aug 2025, 09:08:43 UTC
Date of event
30 Jun 2025

Reporting Managers (3)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
American Century Investment Management, Inc. 8.1% 8,033,428 7,885,542 0 American Century Investment Management, Inc. /s/ John Pak / Senior Vice President
American Century Companies, Inc. 8.1% 8,033,428 7,885,542 0 American Century Companies, Inc. /s/ John Pak / Senior Vice President
Stowers Institute for Medical Research 8.1% 8,033,428 7,885,542 0 Stowers Institute for Medical Research /s/ Joselyn Verschelden / Authorized Signer