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CEMPRA INC
CEMPRA INC. Institutional holdings reported to the SEC.

Institutional Holders (2014Q4)
Portfolio Summary: 4 Institutional holders with a total value of $9,359,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 SABBY MANAGEMENT, LLC 2,536 5,962,000 63.70% Call
2 GROUP ONE TRADING LLC 118,400 2,784,000 29.75% Call
3 CITADEL ADVISORS LLC 18,400 433,000 4.63% Call
4 SIMPLEX TRADING, LLC 213 180,000 1.92% Call

From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.