| October 2025 | |
| October 20 | Exhibitor Resource Center Open |
| January 2026 | |
| January 7 | Exhibitor Listing for Pocket Program Due |
| January 8 | Deadline to Submit Preshow Attendee Mailing List Order Form |
| January 15 | Advanced Warehouse Open for Receiving |
| January 19 | Deadline to Notify ASTRO of EAC or Giveaway |
| January 19 | Preshow Attendee List Sent to Exhibitors that Purchased |
| January 23 | Audio/Visual Discount Deadline |
| January 26 | Deadline to Reserve Housing at 5:00 p.m. Eastern Time |
| January 28 | General Services Contractor Discount Deadline |
| February 2026 | |
| February 6 | Exhibitor Personnel and Sponsor Registration Deadline |
| February 16 | Tabletop Display Setup: 3:00 p.m. - 6:00 p.m. |
| February 17 | Exhibit Hall Opens: 7:00 a.m. |
| February 18 | Exhibitor Move-out: 4:15 p.m. - 5:00 p.m. |
| April 2026 | |
| April 2026 | Postshow Electronic Survey Due |