On Wednesday, May 15, 2019, at 3:30PM CT, CAT NMS LLC and FINRA CAT LLC in coordination with Security Traders Association of Chicago (“STAC”) will be hosting an In-Person Consolidated Audit Trail Options Deep Dive in Chicago. Appetizers & Cocktails will be served afterwards in the Member's Lounge. Register For This Event . or Click Here to Register You may also register to attend via WebEx: WebEx Information: Meeting Number: 747 675 827 Meeting Password: CAT2019 You must register via FINRA’s WebEx site to attend the WebEx/Conference Call To register for the WebEx: Click the link above. Click “Register” Enter required information. Click “Submit” To join the online meeting: Go to FINRA’s WebEx site and if requested, enter your name and email address. If a password is required, enter the meeting password: CAT2019 Click "Join". Call Information: Time: 3:30 p.m., CT; 4:30 p.m., ET; Call-In Number: 1-800-909-4145 Leader's Name: Paul McKenney First and Last name required to enter call.