Investor Relations

Institutional Ownership

Institutional Ownership

Shareholders

Shareholder Holders Value ($MM) % O/S Shares
Institution 28 4.58 24.16 4,389,028
Mutual Fund 3 0.01 0.20 35,886
Insider 8 0.21 2.00 363,747

Rotation

Shareholder Holders Value Chg ($MM) % O/S Share Change
Buyers 11 2.98 19.15 3,479,368
Sellers 5 -0.05 0.24 -44,267
Net -- 2.93 18.91 3,435,101

Concentration

Value ($MM) % O/S Shares
Total Inst. 4.58 24.16 4,389,028
Top 10 Inst. 4.39 23.40 4,250,677
Top 20 Inst. 4.55 24.02 4,363,069
Top 50 Inst. 4.58 24.16 4,389,028

Style

Holders Value ($MM) % Inst Shares Shares
Growth 2 0.02 0.09 15,718
Core Growth 2 0.02 0.09 15,718
Index 3 0.04 0.22 39,998
Other 6 1.76 13.05 2,370,710
Broker Dealer 2 0.19 0.90 164,278
Hedge Fund 4 1.57 12.15 2,206,432
Value 1 0.01 0.06 10,790
Core Value 1 0.01 0.06 10,790

Location: Global Region

Holders % O/S Shares Share Change
North America 16 20.06 3,643,415 3,471,093
Europe 1 0.06 10,790 6,100

Top Holders

Holder Shares Held % O/S Share Change Filing Date
Sabby Management, LLC 1,814,619 9.99 1,814,619 12/31/18
Heights Capital Management, Inc. 814,237 4.48 814,237 10/1/18
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
Cauwenbergh (Geert) 285,148 1.57 46,868 1/18/19
Intracoastal Capital, L.L.C. 186,400 1.03 186,400 4/18/18
SG Americas Securities, L.L.C. 163,730 0.90 45,343 9/30/18
Barberich (Timothy Joseph) 140,844 0.78 -1 3/15/18
OPKO Health, Inc. 44,635 0.25 -1 12/31/17
The Vanguard Group, Inc. 29,860 0.16 4,200 9/30/18

Top Holders: Mutual Funds

Fund Shares Held % O/S Share Change Filing Date
Vanguard Extended Market Index Fund 26,460 0.15 -3,400 12/31/18
Fidelity Extended Market Index Fund 9,023 0.05 -- 11/30/18
iShares Core S&P Total U.S. Stock Market ETF 403 -- -- 12/31/18

* Insider values reflect direct beneficial ownership.

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