Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File No. 001-35456 ALLISON TRANSMISSION HOLDINGS, INC. (Exact Name of Registrant as Specified in Its Charter) Delaware 26-0414014 (State or Other Jurisdiction of Incorpora ...

Allison Transmission Holdings, Inc. (NYSE:ALSN) Q1 2020 Earnings Conference Call May 4, 2020 5:00 PM ET Company Participants Raymond Posadas - Director of Investor Relations David Graziosi - President & Chief Executive Officer Frederick Bohley - Chief Financial Officer Conference Call Participants Jamie Cook - Credit Suisse Jerry Revich - Goldman Sachs & Company, Inc. Lawrence De Maria - William Blair & Company Joseph O’Dea - Vertical Research Partners, LLC Rob Wertheimer - Melius Research LLC Mark Zhang - ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Fiscal Year Ended December 31, 2019 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File No. 001-35456 | --- | --- | --- | |-----------------------------------------------------|---------------------------------------------------------------------------------- ...

Allison Transmission Holdings, Inc. (NYSE:ALSN) Q4 2019 Results Conference Call February 20, 2020 8:00 AM ET Company Participants Ray Posadas - IR Dave Graziosi - President and CEO Fred Bohley - CFO Conference Call Participants Rob Wertheimer - Melius Research Joe O'Dea - Vertical Research Partners Jerry Revich - Goldman Sachs Ross Gilardi - Bank of America Larry De Maria - William Blair Jamie Cook - Credit Suisse Mark Zhang - Oppenheimer & Co. Courtney Yakavonis - Morgan Stanley Brendan Shea - RBC Capital ...

Allison Transmission Holdings, Inc. (NYSE:ALSN) Q3 2019 Results Conference Call October 31, 2019 8:00 AM ET Company Participants Ray Posadas - Director of Investor Relations Dave Graziosi - Chief Executive Officer Fred Bohley - Chief Financial Officer Conference Call Participants Rob Wertheimer - Melius Research Brendan Shea - RBC Capital Markets Ian Zaffino - Oppenheimer & Company Jamie Cook - Credit Suisse Larry DeMaria - William Blair Tim Thein - Citigroup Ross Gilardi - Bank of America Jerry Revich - Go ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2019 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File No. 001-35456 ALLISON TRANSMISSION HOLDINGS, INC. | --- | --- | --- | |----------------------------------------------------------------------------|-------------- ...

Allison Transmission Holdings, Inc. (NYSE:ALSN) Q2 2019 Earnings Conference Call August 1, 2019 8:00 AM ET Company Participants Ray Posadas – Director-Investor Relations Dave Graziosi – President and Chief Executive Officer Fred Bohley – Senior Vice President, Chief Financial Officer and Treasurer Conference Call Participants Jerry Revich – Goldman Sachs Jamie Cook – Credit Suisse Erin Welcenbach – Robert W. Baird & Company Joe O'Dea – Vertical Research Partners Larry De Maria – William Blair Ian Zaffino – ...