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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 $5,138,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 SABBY MANAGEMENT, LLC 1,082 3,012,000 58.62% Put
2 GROUP ONE TRADING LLC 49,800 1,386,000 26.98% Put
3 CITADEL ADVISORS LLC 22,800 635,000 12.36% Put
4 SIMPLEX TRADING, LLC 143 105,000 2.04% 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.