History:Founded: 1946 (re-established in 2003, 2010, 2020)
Folded: 1997AMG Sebastiani Rieti was founded in 1946 by Luigi Padronetti and became active until the 1996-97 season. The club was headed to the memory of Angelo, Mario and Gino Sebastiani, great sportsmen of the time, barbarously killed by the German army in 1944.
League positions:
2009-10: In 2009 because of financial problems the games were moved from Rieti to Napoli being named AMG Sebastiani Napoli for 2009-10 season. But in April 2010 the team went bankrupt without finishing the season in Serie A. The same year moved back to Rieti changing its name to Sebastiani Basket Club RietiIn 2012 the club went bankrupt
League achievements:
Italian Serie B Champion -2023Italian Serie B Finalist -2022 Italian Serie B Group D Regular Season Champion -2021 Italian Serie B Group C Regular Season Champion -2023 Italian Serie B Group C Regular Season Runner-Up -2022 Italian Serie B Cup Finalist -2021, 23 Italian Serie A2 Semifinals -2025 Italian Serie A2 Supercup Semifinals -2024 Italian Serie A2 Silver Semifinals -2024 |
League positions:
| Season | Tier | Division | W-L | Position + PlayOff | Cup | Supercup | European competitions |
|---|---|---|---|---|---|---|---|
| 1962-63 | 2 | Serie A | 6th | ||||
| 1963-64 | 2 | Serie A | 7th | ||||
| 1964-68 | 2 | Serie A | 10th | ||||
| 1968-69 | 2 | Serie B | 8th | ||||
| 1969-71 | 2 | Serie B | 8th | ||||
| 1971-72? | 2 | Serie B | |||||
| 1972-73 | 2 | Serie B | 2nd  | ||||
| 1973-74 | 1 | Serie A | 9-17 | 10th | |||
| 1974-75 | 1 | Serie A1 | 7th | ||||
| 1975-76 | 1 | Serie A1 | 12th  | ||||
| 1976-77? | 2 | Serie A2 | 4th | ||||
| 1977-78? | 2 | Serie A2 | 1st | ||||
| 1978-79 | 1 | Serie A1 | 14-12 | 6th, lost in Semis 1-2 to Sinudyne BO | |||
| 1979-80? | 1 | Serie A1 | 18-8 | 4th, lost in Quarterfinals 1-2 to Gabetti Cantu | |||
| 1980-81? | 1 | Serie A1 | 15-17 | 7th, lost in 1/8 Finals 0-2 to Superga Mestre | |||
| 1981-82? | 1 | Serie A1 | 17-15 | 6th, lost in 1/8 Finals 0-2 to Honky Jeans FA | |||
| 1982-83? | 1 | Serie A1 | 2-28 | 16th | |||
| 1983-84? | 2 | Serie A2 | 13th | ||||
| 1984-85? | 2 | Serie A2 | 11th | ||||
| 1985-86? | 2 | Serie A2 | 6th | ||||
| 1986-87? | 2 | Serie A2 | 13th | ||||
| 1987-88 | 2 | Serie A2 | 15th | ||||
| 1988-89? | 1 | Serie A | 8th | ||||
| 1989-90 | 3 | B d'Ecc | 16th | ||||
| 1990-91 | 3 | B d'Ecc | 5th | ||||
| 1991-92? | 3 | B d'Ecc | 2nd | ||||
| 1992-93 | 3 | B d'Ecc | 2nd | ||||
| 1993-94 | 3 | B d'Ecc | 2nd | ||||
| 1994-95 | 3 | B d'Ecc | 9th | ||||
| 1995-96 | 3 | B d'Ecc | 5th | ||||
| 1996-97 | 3 | B d'Ecc | 6th | ||||
| 1997-98? | 3 | B d'Ecc | |||||
| 1998-99 | 3 | B d'Ecc | 1st | ||||
| 1999-00 | 3 | B d'Ecc | 2nd | ||||
| 2000-01 | 3 | B d'Ecc | 8th | ||||
| 2001-02 | 3 | B d'Ecc | 9th | ||||
| 2002-03? | 3 | B d'Ecc | 4th | ||||
| 2003-04? | 3 | B d'Ecc | 1st | ||||
| 2004-05 | 3 | B d'Ecc | 8th | ||||
| 2005-06 | 2 | Lega2 | 5th | ||||
| 2006-07? | 2 | Lega2 | 1st | ||||
| 2007-08 | 1 | Serie A | 14-20 | 13th | |||
| 2008-09 | 1 | Serie A | 11-19 | 14th | |||
| 2009-10 | 1 | Serie A | 16th | ||||
| 2010-11 | 3 | Serie B | 13th | ||||
| 2011-12 | 3 | Serie B | 7th | ||||
| 2012-13 | 3 | Serie B | |||||
| 2013-14 | 3 | Serie B | |||||
| 2014-20 | 3 | Serie B | |||||
| 2020-21? | 3 | Serie B | 1st | ||||
| 2021-21 | 3 | Serie B | 23-7 | 2nd (Group C) | |||
| 2021-21 | 3 | Serie B | 2nd | ||||
| 2021-22 | 3 | Serie B | 13th (Group C) | ||||
| 2022-23 | 3 | Serie B | 25-3 | 1st (Group C) | Finalist | ||
| 2023-23 | 2 | Serie A2 | 13-1 | 1st (Group D1) | Semifinals | ||
| 2023-24 | 2 | Serie A2 | 20-12 | 3rd (Group Green) | Semifinals | ||
| 2024-25 | 2 | Serie A2 | 23-15 | 4th, lost in Semis 0-3 to Acqua S.Bernardo Cantu | |||
| 2025-25 | 2 | Serie A2 | 22-14 | 6th, lost in Quarterfinals 1-3 to Cividale | |||
| 2025-26 | 2 | Serie A2 | 13-1 | 1st (Group D1) |
