UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the year ended December 31, 2019 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-33378 DISCOVER FINANCIAL SERVICES (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation ...

Discover Financial Services (NYSE:DFS) Q4 2019 Results Conference Call January 23, 2020 5:00 PM ET Company Participants Craig Streem - Head of Investor Relations Roger Hochschild - Chief Executive Officer John Greene - Chief Financial Officer Conference Call Participants Ryan Nash - Goldman Sachs Sanjay Sakhrani - KBW John Pancari - Evercore Mark DeVries - Barclays Eric Wasserstorm - UBS Moshe Orenbuch - Credit Suisse Jason Kupferberg - Bank of America Rick Shane - JPMorgan Don Fandetti - Wells Fargo Betsy ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2019 ☐TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-33378 DISCOVER FINANCIAL SERVICES (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of ...

Discover Financial Services (NYSE:DFS) Q3 2019 Earnings Conference Call October 22, 2019 5:00 PM ET Company Participants Craig Streem – Head-Investor Relations Roger Hochschild – Chief Executive Officer John Greene – Executive Vice President, Chief Financial Officer Conference Call Participants Mark DeVries – Barclays Betsy Graseck – Morgan Stanley Don Fandetti – Wells Fargo Sanjay Sakhrani – KBW Eric Wasserstrom – UBS Ryan Nash – Goldman Sachs David Scharf – JMP Securities Rick Shane – JPMorgan Bill Carcac ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2019 ☐TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-33378 DISCOVER FINANCIAL SERVICES (Exact name of registrant as specified in its charter) DE (State or other jurisdiction of incorporat ...

Discover Financial Services (NYSE:DFS) Q2 2019 Earnings Conference Call July 23, 2019 5:00 PM ET Company Participants Craig Streem – Head, Investor Relations Roger Hochschild – Chief Executive Officer Mark Graf - Chief Financial Officer Conference Call Participants Bob Napoli - William Blair Rick Shane - JP Morgan Mark DeVries - Barclays Sanjay Sakhrani - KBW Ryan Nash - Goldman Sachs Bill Carcache - Nomura John Hecht - Jefferies Vincent Caintic - Stephens Meng Jiao - Deutsche Bank Chris Donat - Sandler O'N ...