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

Institutional Holders (2015Q3)
Portfolio Summary: 4 Institutional holders with a total value of $12,471,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 SABBY MANAGEMENT, LLC 3,649 10,159,000 81.46% Call
2 GROUP ONE TRADING LLC 49,900 1,389,000 11.14% Call
3 CITADEL ADVISORS LLC 28,300 788,000 6.32% Call
4 SIMPLEX TRADING, LLC 513 135,000 1.08% 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.