Investor Relations

Institutional Ownership

Institutional Ownership

Shareholders

Shareholder Holders Value ($MM) % O/S Shares
Institution 26 3.80 23.22 4,218,669
Mutual Fund 3 0.01 0.20 35,886
Insider 8 0.42 6.07 1,101,804

Rotation

Shareholder Holders Value Chg ($MM) % O/S Share Change
Buyers 9 2.59 15.01 2,726,482
Sellers 10 -0.06 0.44 -79,317
Net -- 2.53 14.57 2,647,165

Concentration

Value ($MM) % O/S Shares
Total Inst. 3.80 23.22 4,218,669
Top 10 Inst. 3.74 22.26 4,043,530
Top 20 Inst. 3.80 23.21 4,216,352
Top 50 Inst. 3.80 23.22 4,218,669

Style

Holders Value ($MM) % Inst Shares Shares
Growth 1 -- 0.03 5,718
Core Growth 1 -- 0.03 5,718
Index 3 0.01 0.20 36,598
Other 6 1.60 12.84 2,332,149
Broker Dealer 3 0.05 0.91 164,495
Hedge Fund 3 1.54 11.93 2,167,654
Value 1 -- 0.06 10,790
Core Value 1 -- 0.06 10,790

Location: Global Region

Holders % O/S Shares Share Change
North America 15 16.10 2,923,589 2,722,599
Europe 1 0.06 10,790 --

Top Holders

Holder Shares Held % O/S Share Change Filing Date
Sabby Management, LLC 1,770,116 9.74 1,770,116 12/31/18
Cauwenbergh (Geert) 481,312 2.65 243,032 2/28/19
Dispersyn (Gerrit) 479,053 2.64 462,703 3/1/19
Lincoln Park Capital 393,552 2.17 393,552 4/9/18
Anson Funds Management LP. 377,652 2.08 377,652 4/9/18
SG Americas Securities, L.L.C. 163,730 0.90 -- 12/31/18
Heights Capital Management, Inc. 155,135 0.85 155,135 12/31/18
Barberich (Timothy Joseph) 140,844 0.78 -1 3/15/18
OPKO Health, Inc. 44,635 0.25 -1 12/31/17
Kontulis Caitlin 37,501 0.21 27,000 2/13/19

Top Holders: Mutual Funds

Fund Shares Held % O/S Share Change Filing Date
Vanguard Extended Market Index Fund 26,460 0.15 -- 2/28/19
Fidelity Extended Market Index Fund 9,023 0.05 -- 1/31/19
iShares Core S&P Total U.S. Stock Market ETF 403 -- -- 2/28/19

* Insider values reflect direct beneficial ownership.

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