| Season | Team | League | GP | G | A | TP | PIM | Playoffs | GP | G | A | TP | PIM | |
| 2008-2009 | Chicago Jr. Blackhawks | Brick Invitational | 5 | 1 | 2 | 3 | 6 | | | ||||||
| 2010-2011 | St. Louis Jr. Blues | QC Int PW | 4 | 0 | 7 | 7 | 4 | | | ||||||
| 2011-2012 | St. Louis Jr. Blues | QC Int PW | 3 | 1 | 3 | 4 | 4 | | | ||||||
| 2013-2014 | St. Louis AAA Blues 14U | T1EHL 14U | 26 | 18 | 15 | 33 | 38 | | | ||||||
| St. Louis AAA Blues 16U AAA | T1EHL 16U | 4 | 0 | 0 | 0 | 4 | | | |||||||
| 2014-2015 | Team Purple | USA-S15 | 5 | 3 | 0 | 3 | - | | | ||||||
| St. Louis AAA Blues 16U AAA | T1EHL 16U | 30 | 15 | 28 | 43 | 18 | | | Playoffs | 4 | 2 | 0 | 2 | 4 | |
| 2015-2016 | USNTDP Juniors | USHL | 32 | 4 | 4 | 8 | 36 | | | ||||||
| U.S. National U17 Team | NTDP | 55 | 9 | 16 | 25 | 56 | | | |||||||
| USA U17 | WHC-17 | 5 | 2 | 3 | 5 | 4 | | | |||||||
| 2016-2017 | USNTDP Juniors | USHL | 24 | 12 | 11 | 23 | 73 | | | ||||||
| U.S. National U18 Team | NTDP | 61 | 25 | 29 | 54 | 129 | | | |||||||
| USA U18 | WJC-18 | 7 | 1 | 6 | 7 | 12 | | | |||||||
| 2017-2018 | Boston Univ. | NCAA | 40 | 8 | 23 | 31 | 61 | | | ||||||
| USA U20 | WJC-20 | 7 | 3 | 6 | 9 | 2 | | | |||||||
| 2018-2019 | Ottawa Senators | NHL | 71 | 22 | 23 | 45 | 75 | | | ||||||
| 2019-2020 | Ottawa Senators | NHL | 71 | 21 | 23 | 44 | 106 | | | ||||||
| 2020-2021 | Ottawa Senators | NHL | 56 | 17 | 19 | 36 | 69 | | | ||||||
| 2021-2022 | Ottawa Senators | NHL | 79 | 30 | 37 | 67 | 117 | | | ||||||
| 2022-2023 | Ottawa Senators | NHL | 82 | 35 | 48 | 83 | 126 | | | ||||||
| 2023-2024 | Ottawa Senators | NHL | 81 | 37 | 37 | 74 | 134 | | | ||||||
| USA | WC | 8 | 7 | 6 | 13 | 4 | | | |||||||
| Team USA | International | 1 | 1 | 0 | 1 | 2 | | | |||||||
| 2024-2025 | Ottawa Senators | NHL | 15 | 8 | 10 | 18 | 27 | | |