Listing Alert, Regulatory Alert, Trading Alert

MIAX Emerald

August 03, 2026 | 04:40 PM

MIAX Exchange Group - Options Markets - Corporate Action Alert: The Oncology Institute, Inc. (TOI) Trading Symbol Change

The Oncology Institute, Inc. (TOI) will change its name and trading symbol to Starling Oncology Institute, Inc. (STLN) effective Tuesday, August 4, 2026. 

All GTC orders resting on the MIAX order books in TOI will be canceled at the close of business on Monday August 3, 2026.

NOTE: STLN options will trade on Cloud 12 on MIAX Options, Cloud 8 on MIAX Pearl Options and MIAX Emerald Options, and Cloud 5 on the MIAX Sapphire Options Exchange.

Additional details about The Oncology Institute, Inc. (TOI) symbol change are provided in the attached OCC Memo.

Please contact MIAX Listings with any questions at Listings@miaxglobal.com or (609) 897-7308.