C2 Regulatory Circulars

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March 29, 2017:   C2 RG17-018 Restrictions on Transactions in Triangle Petroleum Corp. (TPLM) 
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March 14, 2017:   C2 RG17-017 Restrictions on Transactions in Osiris Therapeutics, Inc. (OSIR) 
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March 08, 2017:   C2 RG17-016 Consolidated Audit Trail ("CAT") Clock Synchronization Requirements 
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February 28, 2017:   C2 RG17-015 Restrictions on Transactions in HHGREGG, INC (HGG) 
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February 24, 2017:   C2 RG17-014 Call/Put Price Checks for Quotes and Orders / Quote NBBO Inversion Check 
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February 23, 2017:   C2 RG17-013 C2 Limit Order Reasonability Checks 
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February 16, 2017:   C2 RG17-012 Mandatory QRM Settings 
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February 15, 2017:   C2 RG17-011 Form OE-418 and Attachments Reminder: 2016 Year-End Filing Due March 1, 2017 
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February 15, 2017:   C2 RG17-009 Anti-Money Laundering Compliance Program Filing Requirements for Certain Trading Permit Holders 
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February 15, 2017:   C2 RG17-008 Annual Supervision-Related Reporting Pursuant to CBOE/C2 Rules 4.24 and 9.8 
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