| Old Republic National Title Insurance Co. | Old Republic International | insurance violation | 2011 | MD-INS | $7,500 |
| Old Republic National Title Insurance Co. | Old Republic International | insurance violation | 2009 | MO-INS | $77,375 |
| Old Republic National Title Insurance Co. | Old Republic International | insurance violation | 2011 | MO-INS | $74,000 |
| Old Republic National Title Insurance Co. | Old Republic International | insurance violation | 2019 | MO-INS | $60,050 |
| Old Republic National Title Insurance Co. | Old Republic International | insurance violation | 2020 | CT-INS | $20,000 |
| Old Republic National Title Insurance Company | Old Republic International | insurance violation | 2016 | TX-INS | $7,500 |
| Old Republic National Title Insurance Company | Old Republic International | wage and hour violation | 2021 | NY-AG | $1,000,000 |
| Old Republic National Title Insurance Company | Old Republic International | insurance violation | 2021 | NH-INS | $10,000 |
| Old Republic National Title Insurance Company | Old Republic International | consumer protection violation | 2009 | private lawsuit-federal | $3,300,000 |
| Old Republic Title | Old Republic International | wage and hour violation | 2014 | private lawsuit-federal | $12,000,000 |
| Old Republic Title Co. | Old Republic International | consumer protection violation | 2002 | CA-MULTI | $5,096,963 |
| Old Republic Title Co. and Old Republic National Title Insurance Co. | Old Republic International | insurance violation | 2010 | CA-INS | $399,000 |
| Old Republic Title Ltd | Old Republic International | insurance violation | 2011 | WA-INS | $5,000 |
| Old Republic Title Ltd | Old Republic International | insurance violation | 2012 | WA-INS | $8,000 |
| Old Second Bancorp, Inc. | Old Second Bancorp | benefit plan administrator violation | 2013 | private lawsuit-federal | $7,500,000 |
| Omega Advisors | Omega Advisors | Foreign Corrupt Practices Act | 2007 | USAO | $500,000 |
| Omega Advisors, Inc. | Omega Advisors | investor protection violation | 2015 | SEC | $134,026 |
| OneMain Financial | OneMain Holdings | consumer protection violation | 2023 | CFPB | $20,000,000 |
| OneMain Financial Group LLC | OneMain Holdings | privacy violation | 2023 | NY-DFS | $4,250,000 |
| OneMain Financial Group, LLC | OneMain Holdings | consumer protection violation | 2019 | CA-DFPI | $150,000 |
| Oppenheimer & Co. | Oppenheimer Holdings | investor protection violation | 2014 | SEC | $61,200 |
| Oppenheimer & Co. | Oppenheimer Holdings | wage and hour violation | 2011 | private lawsuit-federal | $2,375,901 |
| Oppenheimer & Co. | Oppenheimer Holdings | investor protection violation | 2015 | NM-SEC | $215,000 |
| Oppenheimer & Co. | Oppenheimer Holdings | investor protection violation | 2008 | FINRA | $4,500,000 |
| Oppenheimer & Co. Inc | Oppenheimer Holdings | investor protection violation | 2009 | SEC | $850,000 |
| Oppenheimer & Co. Inc. | Oppenheimer Holdings | investor protection violation | 2015 | SEC | $400,000 |
| Oppenheimer & Co. Inc. | Oppenheimer Holdings | investor protection violation | 2010 | MULTI-AG | $31,000,000 |
| Oppenheimer & Co. Inc. | Oppenheimer Holdings | investor protection violation | 2016 | MI-SEC | $900,000 |
| Oppenheimer & Co. Inc. | Oppenheimer Holdings | investor protection violation | 2012 | NH-BSR | $155,000 |
| Oppenheimer & Co. Inc. | Oppenheimer Holdings | investor protection violation | 2016 | SC-SEC | $175,000 |
| Oppenheimer & Co. Inc. | Oppenheimer Holdings | investor protection violation | 2019 | FINRA | $4,600,000 |
| Oppenheimer & Co. Inc. | Oppenheimer Holdings | investor protection violation | 2016 | FINRA | $3,425,000 |
| Oppenheimer & Co. Inc. | Oppenheimer Holdings | investor protection violation | 2016 | FINRA | $2,966,000 |
| Oppenheimer & Co. Inc. | Oppenheimer Holdings | investor protection violation | 2015 | FINRA | $3,750,000 |
| Oppenheimer & Co. Inc. | Oppenheimer Holdings | investor protection violation | 2007 | FINRA | $1,000,000 |
| Oppenheimer & Co. Inc. | Oppenheimer Holdings | investor protection violation | 2006 | FINRA | $800,000 |
| Oppenheimer & Co. Inc. | Oppenheimer Holdings | investor protection violation | 2006 | FINRA | $250,000 |
| Oppenheimer & Co. Inc. | Oppenheimer Holdings | investor protection violation | 2024 | SEC | $12,000,000 |
| Oppenheimer & Co. Inc. and Oppenheimer Asset Management Inc. | Oppenheimer Holdings | investor protection violation | 2019 | SEC | $3,528,377 |
| Oppenheimer & Co., Inc. | Oppenheimer Holdings | anti-money-laundering deficiencies | 2015 | FINCEN | $20,000,000 |
| Oppenheimer & Co., Inc. | Oppenheimer Holdings | investor protection violation | 2015 | DE-SEC | $685,000 |
| Oppenheimer & Co., Inc. | Oppenheimer Holdings | investor protection violation | 2005 | MO-SEC | $122,050 |
| Oppenheimer & Co., Inc. | Oppenheimer Holdings | investor protection violation | 2013 | FINRA | $921,000 |
| Oppenheimer & Company, Inc. | Oppenheimer Holdings | anti-money-laundering deficiencies | 2005 | FINCEN | $2,800,000 |
| Oppenheimer and Co., Inc. | Oppenheimer Holdings | anti-money-laundering deficiencies | 2013 | FINRA | $1,425,000 |
| Oppenheimer Asset Management Inc. and Oppenheimer Alternative Investment Management, LLC | Oppenheimer Holdings | investor protection violation | 2013 | SEC | $2,886,677 |
| Oppenheimer Asset Management Inc. and Oppenheimer Alternative Investment Management, LLC | Oppenheimer Holdings | investor protection violation | 2013 | MA-AG | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $2,800,000 |
| OppenheimerFunds | Invesco | investor protection violation | 2010 | NM-AG | $67,300,000 |
| OppenheimerFunds Distributor, Inc. | Invesco | investor protection violation | 2007 | CO-SEC | $494,500 |
| OppenheimerFunds Distributor, Inc. | Invesco | investor protection violation | 2007 | WA-FIN | $669,500 |
| OppenheimerFunds Inc. | Invesco | investor protection violation | 2012 | SEC | $35,000,000 |
| OppenheimerFunds Inc. | Invesco | investor protection violation | 2009 | OR-AG | $20,000,000 |
| OppenheimerFunds, Inc. | Invesco | investor protection violation | 2009 | IL-AG | $77,230,000 |
| Option One Mortgage Corporation | Ocwen Financial | toxic securities abuses | 2012 | SEC | $28,200,000 |
| Oscar Garden State Insurance Corporation | Oscar Health Inc. | insurance violation | 2018 | NJ-DBI | $500,000 |
| Oscar Health Plan of California | Oscar Health Inc. | insurance violation | 2018 | CA-MHC | $10,000 |
| Oscar Health Plan of California | Oscar Health Inc. | insurance violation | 2019 | CA-MHC | $5,000 |
| Oscar Health Plan of California | Oscar Health Inc. | insurance violation | 2019 | CA-MHC | $5,000 |
| Oscar Health Plan of California | Oscar Health Inc. | insurance violation | 2020 | CA-MHC | $15,000 |
| Oscar Health Plan of California | Oscar Health Inc. | insurance violation | 2020 | CA-MHC | $15,000 |
| Oscar Health Plan of California | Oscar Health Inc. | insurance violation | 2021 | CA-MHC | $75,000 |
| Oscar Health Plan of California | Oscar Health Inc. | insurance violation | 2020 | CA-MHC | $5,000 |
| Oscar Health Plan of California | Oscar Health Inc. | insurance violation | 2021 | CA-MHC | $10,000 |
| Oscar Health Plan of California | Oscar Health Inc. | insurance violation | 2021 | CA-MHC | $30,000 |
| Oscar Health Plan of California | Oscar Health Inc. | insurance violation | 2021 | CA-MHC | $15,000 |
| Oscar Health Plan of California | Oscar Health Inc. | insurance violation | 2021 | CA-MHC | $7,500 |
| Oscar Health Plan of California | Oscar Health Inc. | insurance violation | 2022 | CA-MHC | $10,000 |
| Oscar Health Plan of California | Oscar Health Inc. | insurance violation | 2021 | CA-MHC | $12,500 |
| Oscar Health Plan of California | Oscar Health Inc. | insurance violation | 2022 | CA-MHC | $40,000 |
| Oscar Health Plan of California | Oscar Health Inc. | insurance violation | 2022 | CA-MHC | $10,000 |
| Oscar Health Plan of California | Oscar Health Inc. | insurance violation | 2022 | CA-MHC | $10,000 |
| Oscar Health Plan of California | Oscar Health Inc. | insurance violation | 2022 | CA-MHC | $10,000 |
| Oscar Health Plan of California | Oscar Health Inc. | insurance violation | 2023 | CA-MHC | $5,000 |
| Oscar Health Plan of California | Oscar Health Inc. | insurance violation | 2023 | CA-MHC | $6,500 |
| Oscar Health Plan of California | Oscar Health Inc. | insurance violation | 2023 | CA-MHC | $12,000 |
| Oscar Health Plan of California | Oscar Health Inc. | insurance violation | 2023 | CA-MHC | $5,000 |
| Oscar Insurance Company | Oscar Health Inc. | insurance violation | 2018 | TX-INS | $75,000 |
| Oscar Insurance Corp. | Oscar Health Inc. | insurance violation | 2018 | NY-DFS | $576,950 |
| Oscar Insurance Corporation | Oscar Health Inc. | insurance violation | 2021 | NY-DFS | $1,465,800 |
| OverseaChinese Banking Corporation Limited | Oversea-Chinese Banking | price-fixing or anti-competitive practices | 2022 | private lawsuit-federal | $7,000,000 |
| OZ Management LP | Sculptor Capital Management | data submission deficiencies | 2015 | SEC | $4,250,000 |
| PA Fund Management LLC, PEA Capital LLC and PA Distributors LLC | Allianz | investor protection violation | 2004 | SEC | $11,600,000 |
| PA Fund Management LLC, PEA Capital LLC and PA Distributors LLC | Allianz | investor protection violation | 2004 | SEC | $50,000,000 |
| Pacific Indemnity Co. | Chubb Limited | insurance violation | 2016 | MO-INS | $15,000 |
| Pacific Indemnity Co. | Chubb Limited | insurance violation | 2020 | CT-INS | $16,000 |
| Pacific Indemnity Company | Chubb Limited | insurance violation | 2013 | TX-INS | $17,500 |
| Pacific Indemnity Company | Chubb Limited | insurance violation | 2021 | TX-INS | $45,000 |
| Pacific Life | Pacific Life | insurance violation | 2015 | MULTI-AG | $2,450,000 |
| Pacific Life & Annuity Co. | Pacific Life | insurance violation | 2006 | FL-OFR | $38,000 |
| Pacific Life & Annuity Company | Pacific Life | insurance violation | 2020 | NY-DFS | $425,533 |
| PACIFIC LIFE & ANNUITY COMPANY | Pacific Life | insurance violation | 2001 | VA-INS | $9,000 |
| Pacific Life Insurance Co. | Pacific Life | insurance violation | 2012 | FL-OFR | $10,500 |
| Pacific Life Insurance Co. | Pacific Life | insurance violation | 2017 | MD-INS | $9,000 |
| Pacific Life Insurance Company | Pacific Life | insurance violation | 2021 | NY-DFS | $3,000,000 |
| Pacific Life Insurance Company | Pacific Life | insurance violation | 2023 | MN-FIN | $250,000 |
| Pacific Resources Benefits Advisors, LLC | Brown & Brown | tax violations | 2014 | CT-AG | $5,400 |
| PaineWebber Incorporated | UBS | investor protection violation | 2000 | SEC | $26,200,000 |
| Park National Bank | Park National Corp. | discriminatory practices (non-employment) | 2023 | DOJ_RIGHTS | $9,000,000 |
| Park National Corporation | Park National Corp. | accounting fraud or deficiencies | 2016 | SEC | $500,000 |
| PayPal | PayPal Holdings | consumer protection violation | 2002 | NY-AG | $200,000 |
| PayPal | PayPal Holdings | consumer protection violation | 2004 | NY-AG | $150,000 |
