O

O'Reilly AutomotiveORLY

CFO not established from filings · checked February 27, 2026

Occidental PetroleumOXY

CFO: Sunil Mathew · verified February 18, 2026

Ocean Capital Acquisition CorporationOCAC

Interim CFO: Kin (Stephen) Sze · effective September 9, 2026

Ocular Therapeutix, Inc.OCUL

CFO: Jason Robins · effective June 10, 2026

OFA GroupOFAL

CFO: Eugene M. Johnston · effective October 1, 2026

Old DominionODFL

CFO: Adam N. Satterfield · verified February 24, 2026

Olema Pharmaceuticals, Inc.OLMA

CFO: Jason O'Byrne · effective August 11, 2026

Olenox Industries Inc.OLOX

Interim CFO: Kimberly Hawley · effective July 6, 2026

Omnicom GroupOMC

CFO: Philip J. Angelastro · verified February 20, 2026

Omnitek Engineering Corp.OMTK

CFO: Kevin Jay Hayes Jr. · effective October 1, 2026

ON SemiconductorON

CFO: Thad Trent · verified February 9, 2026

ONAR Holding CorporationONAR

Interim CFO: Kelly Anderson · effective October 1, 2026

OneokOKE

CFO: Walter S. Hulse III · verified February 24, 2026

Oportun Financial CorporationOPRT

CFO: William Franklin · effective September 8, 2026

OptimizeRx CorporationOPRX

Change disclosed, effective January 1, 2027 · incoming: Andrew D’Silva

Oracle CorporationORCL

CFO: Hilary Maxson · verified June 22, 2026

Oragenics, Inc.OGEN

CFO: John Spencer · effective July 1, 2026

OS Therapies IncorporatedOSTX

CFO: Francis (Frank) Knuettel II · effective September 29, 2026

Otis Worldwide CorpOTIS

CFO: Cristina Méndez · verified February 5, 2026

Ovid Therapeutics Inc.OVID

CFO: Charles Carter · effective July 6, 2026

Owens CorningOC

CFO: Jonathan M. Collins · effective August 10, 2026