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

Institutional Holders (2015Q4)
Portfolio Summary: 4 Institutional holders with a total value of $2,362,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 SABBY MANAGEMENT, LLC 415 1,292,000 54.70% Put
2 GROUP ONE TRADING LLC 23,800 741,000 31.37% Put
3 CITADEL ADVISORS LLC 8,600 268,000 11.35% Put
4 SIMPLEX TRADING, LLC 309 61,000 2.58% Put

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.