Regulatory Contacts

General Membership

For general and membership questions:

For questions regarding the completion, processing and status of Exchange Membership agreements and forms:

  • Contact Nasdaq Subscriber Services at +1 212 231 5180

Nasdaq Legal & Regulatory

  • Office of General Counsel at +1 301 978 8400
  • Trade Reporting at +1 800 211 4953 or +1 301 978 8501
  • Trading Halt Inquiries, contact Market Watch from 6:30 a.m. until 8:00 p.m. ET, Monday-Friday, at +1 800 537 3929
  • Material news disclosures should be provided to Nasdaq MarketWatch through the Electronic Disclosure submission system accessible at MarketWatch does not accept material news disclosures by fax or phone, except in emergency situations. MarketWatch business hours are from 6:30 a.m. to 8:00 p.m. Eastern Time, Monday through Friday. MarketWatch may be contacted at +1 800 537 3929 or +1 301 978 8500. Companies are still obligated to provide MarketWatch with prior notification of material disclosures even if it is outside of normal business hours.

Regulation SHO

For Investors:

For Nasdaq Market Participants and FINRA Members:

For Issuers:

  • Questions regarding Nasdaq-listed stocks should be directed to your Nasdaq Market Intelligence Desk Director.
  • Questions regarding an OTCBB or Pink Sheet stock, should be emailed to