Reporting Manager
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
Symbol
OEC
Shares outstanding
56,653,917 shares
Disclosed Ownership
679,847 shares
Ownership
1.2%
Form type
SCHEDULE 13G/A
Filing time
01 Aug 2025, 12:43:07 UTC
Date of event
30 Jun 2025
Previous filing
12 Feb 2025

Reporting Managers (1)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 1.2% 679,847 451,531 0 Walter R. Randall, Jr. Chief Compliance Officer