# SIMPLEX TRADING, LLC X-17A-5 (2018-03-01) — Broker-dealer annual report

- Company: SIMPLEX TRADING, LLC
- Form: X-17A-5
- Filed: 2018-03-01
- Period: 2017-12-31
- Accession: 0001488542-18-000009
- CIK: 1488542
- File #: 8-68556
- Material weakness: No
- Auditor: RSM US LLP
- Auditor location: Chicago, IL
- Contact: Kevin Pierce
- Phone: 312-360-2466
- Signed by: Mohammad Mannan (FINOP)

Original filing: https://www.sec.gov/Archives/edgar/data/1488542/000148854218000009/fincond17.pdf

---

X-17A-5

 0001488542
 XXXXXXXX

 LIVE

 false
 false
 false

 01-01-2017
 12-31-2017
 Broker-dealer
 N

 SIMPLEX TRADING, LLC

 230 S. LASALLE STREET
 SUITE 4-100
 CHICAGO
 IL
 60604

 Kevin Pierce
 312-360-2466

 RSM US LLP

 1 S Wacker Dr. Suite 800
 Chicago
 IL
 60606

 Certified Public Accountant

 Mohammad Mannan
 SIMPLEX TRADING, LLC
 12-31-2017
 Mohammad Mannan
 FINOP
 Y


Source: SEC EDGAR via Adviser Search (https://search.stillhousedata.com). Agents: see https://search.stillhousedata.com/llms.txt.