| (1) BlackRock, Inc. |
Delaware |
4690289 |
0 |
4699064 |
0 |
4699064 |
2.1 % |
08/07/2022 |
| IDENTIFICATION NOS. OF ABOVE PERSONS ( |
Pennsylvania |
0 |
5913333 |
0 |
5913333 |
5913333 |
2.6 % |
29/04/2022 |
| IDENTIFICATION NOS. OF ABOVE PERSONS ( |
Pennsylvania |
0 |
4898232 |
0 |
4898232 |
4898232 |
2.16 % |
29/04/2022 |
| Bruce E. Terker |
Pennsylvania |
0 |
14402231 |
0 |
14402231 |
14402231 |
6.34 % |
29/04/2022 |
| IDENTIFICATION NOS. OF ABOVE PERSONS ( |
Pennsylvania |
0 |
1000000 |
0 |
1000000 |
1000000 |
0.44 % |
29/04/2022 |
| IDENTIFICATION NOS. OF ABOVE PERSONS ( |
Pennsylvania |
0 |
2590666 |
0 |
2590666 |
2590666 |
1.14 % |
29/04/2022 |
| (1) BlackRock, Inc. |
Delaware |
13829567 |
0 |
13934805 |
0 |
13934805 |
6.2 % |
04/02/2022 |
| Bruce E. Terker |
Pennsylvania |
0 |
11525331 |
0 |
11525331 |
11525331 |
5.96 % |
20/01/2021 |
| IDENTIFICATION NOS. OF ABOVE PERSONS ( |
Pennsylvania |
0 |
1000000 |
0 |
1000000 |
1000000 |
0.52 % |
20/01/2021 |
| IDENTIFICATION NOS. OF ABOVE PERSONS ( |
Pennsylvania |
0 |
2340666 |
0 |
2340666 |
2340666 |
1.21 % |
20/01/2021 |
| IDENTIFICATION NOS. OF ABOVE PERSONS ( |
Pennsylvania |
0 |
3271332 |
0 |
3271332 |
3271332 |
1.69 % |
20/01/2021 |
| IDENTIFICATION NOS. OF ABOVE PERSONS ( |
Pennsylvania |
0 |
4913333 |
0 |
4913333 |
4913333 |
2.54 % |
20/01/2021 |
| Empery Tax Efficient II, LP |
Delaware |
0 |
1825029 |
0 |
1825029 |
1825029 |
1.15 % |
23/01/2020 |
| Empery Asset Management, LP |
Delaware |
0 |
2833333 |
0 |
0 |
2833333 |
8.84 % |
20/06/2019 |
| Ryan M. Lane |
United States |
0 |
2833333 |
0 |
0 |
2833333 |
8.84 % |
20/06/2019 |
| Martin D. Hoe |
United States |
0 |
2833333 |
0 |
0 |
2833333 |
8.84 % |
20/06/2019 |
| Empery Tax Efficient II, LP |
Delaware |
0 |
882563 |
0 |
0 |
882563 |
5.4 % |
20/06/2019 |
| (1) BlackRock, Inc. |
Delaware |
5195238 |
0 |
5306707 |
0 |
5306707 |
4.97 % |
08/03/2019 |
| Heights Capital Management, Inc. |
Delaware |
0 |
5604835 |
0 |
5604835 |
5604835 |
4.9 % |
14/02/2019 |
| CVI Investments, Inc. |
Cayman Islands |
0 |
5604835 |
0 |
5604835 |
5604835 |
4.9 % |
14/02/2019 |
| (1) BlackRock, Inc. |
Delaware |
5364034 |
0 |
5449616 |
0 |
5449616 |
5.1 % |
07/02/2019 |
| 2 |
Pennsylvania |
0 |
3621333 |
0 |
3621333 |
3621333 |
3.26 % |
01/02/2019 |
| 2 |
Pennsylvania |
0 |
1660666 |
0 |
1660666 |
1660666 |
1.5 % |
01/02/2019 |
| 2 |
Pennsylvania |
0 |
3271332 |
0 |
3271332 |
3271332 |
2.95 % |
01/02/2019 |
| 2 |
Pennsylvania |
0 |
1000000 |
0 |
1000000 |
1000000 |
0.9 % |
01/02/2019 |
| 2 |
Pennsylvania |
0 |
9553331 |
0 |
9553331 |
9553331 |
8.61 % |
01/02/2019 |
| Heights Capital Management, Inc. |
Delaware |
0 |
6500000 |
0 |
6500000 |
6500000 |
6.1 % |
17/08/2018 |
| CVI Investments, Inc. |
Cayman Islands |
0 |
6500000 |
0 |
6500000 |
6500000 |
6.1 % |
17/08/2018 |
| Carol G. Frankenfield |
Delaware |
8111 |
197574 |
0 |
0 |
1210785 |
1.4 % |
10/08/2018 |
| Amir L. Ecker |
Delaware |
907100 |
1104674 |
0 |
0 |
1210785 |
1.4 % |
10/08/2018 |
| ( |
Delaware |
197574 |
0 |
197574 |
0 |
1210785 |
1.4 % |
10/08/2018 |
| ( |
Delaware |
1210000 |
0 |
1210000 |
0 |
4675500 |
5.8 % |
13/02/2018 |
| Carol G. Frankenfield |
United States |
92500 |
1210000 |
0 |
0 |
4675500 |
5.8 % |
13/02/2018 |
| Amir L. Ecker |
United States |
2710500 |
1607500 |
0 |
0 |
4675500 |
5.8 % |
13/02/2018 |
| 2 |
Pennsylvania |
0 |
977332 |
0 |
977332 |
977332 |
1.22 % |
09/01/2018 |
| 2 |
Pennsylvania |
0 |
2121333 |
0 |
2121333 |
2121333 |
2.65 % |
09/01/2018 |
| 2 |
Pennsylvania |
0 |
1000000 |
0 |
1000000 |
1000000 |
1.25 % |
09/01/2018 |
| 2 |
Pennsylvania |
0 |
5259331 |
0 |
5259331 |
5259331 |
6.57 % |
09/01/2018 |
| 2 |
Pennsylvania |
0 |
1160666 |
0 |
1160666 |
1160666 |
1.45 % |
09/01/2018 |
| Amir L. Ecker |
Delaware |
2390000 |
1435000 |
0 |
0 |
4150000 |
5.5 % |
27/10/2017 |
| ( |
Delaware |
1060000 |
0 |
1060000 |
0 |
4150000 |
5.5 % |
27/10/2017 |
| Carol G. Frankenfield |
Delaware |
75000 |
1060000 |
0 |
0 |
4150000 |
5.5 % |
27/10/2017 |
| (1) BlackRock, Inc. |
Delaware |
1214869 |
0 |
1214869 |
0 |
1214869 |
1.8 % |
10/07/2017 |
| 2 |
Pennsylvania |
0 |
1791666 |
0 |
1791666 |
1791666 |
2.63 % |
14/06/2017 |
| 2 |
Pennsylvania |
0 |
958332 |
0 |
958332 |
958332 |
1.41 % |
14/06/2017 |
| 2 |
Pennsylvania |
0 |
4473330 |
0 |
4473330 |
4473330 |
6.58 % |
14/06/2017 |
| 2 |
Pennsylvania |
0 |
833332 |
0 |
833332 |
833332 |
1.23 % |
14/06/2017 |
| 2 |
Pennsylvania |
0 |
890000 |
0 |
890000 |
890000 |
1.31 % |
14/06/2017 |
| Heights Capital Management, Inc. |
Delaware |
0 |
2877886 |
0 |
2877886 |
2877886 |
4.9 % |
10/02/2017 |
| CVI Investments, Inc. |
Cayman Islands |
0 |
2877886 |
0 |
2877886 |
2877886 |
4.9 % |
10/02/2017 |
| (1) BlackRock, Inc. |
Delaware |
3265986 |
0 |
3298664 |
0 |
3298664 |
5.8 % |
30/01/2017 |
| Heights Capital Management, Inc. |
Delaware |
0 |
5000000 |
0 |
5000000 |
5000000 |
8.8 % |
07/09/2016 |
| CVI Investments, Inc. |
Cayman Islands |
0 |
5000000 |
0 |
5000000 |
5000000 |
8.8 % |
07/09/2016 |
| ( |
Delaware |
388500 |
0 |
388500 |
0 |
2277500 |
4.4 % |
22/07/2016 |
| Amir L. Ecker |
Delaware |
1665000 |
515000 |
0 |
0 |
2277500 |
4.4 % |
22/07/2016 |
| Carol G. Frankenfield |
Delaware |
7500 |
388500 |
0 |
0 |
2277500 |
4.4 % |
22/07/2016 |
| JCP Investment Partnership, LP |
Delaware |
0 |
3388322 |
0 |
3388322 |
269805 |
5.5 % |
01/03/2016 |
| Carol G. Frankenfield |
Delaware |
25000 |
891500 |
0 |
0 |
3692500 |
7.1 % |
28/01/2016 |
| ( |
Delaware |
891500 |
0 |
891500 |
0 |
3692500 |
7.1 % |
28/01/2016 |
| Amir L. Ecker |
Delaware |
2214500 |
1124500 |
0 |
0 |
3692500 |
7.1 % |
28/01/2016 |
| (1) BlackRock, Inc. |
Delaware |
1430994 |
0 |
1430994 |
0 |
1430994 |
2.8 % |
10/07/2015 |
| Europa International, Inc. |
British Virgin Islands |
0 |
3388322 |
0 |
3388322 |
3388322 |
6.5 % |
17/02/2015 |
| Fred Knoll |
USA |
0 |
3388322 |
0 |
3388322 |
3388322 |
6.5 % |
17/02/2015 |
| Knoll Capital Management, LP |
Delaware |
0 |
3388322 |
0 |
3388322 |
3388322 |
6.5 % |
17/02/2015 |
| (1) BlackRock, Inc. |
Delaware |
2922590 |
0 |
2984053 |
0 |
2984053 |
5.7 % |
02/02/2015 |
| Knoll Capital Management, LP |
Delaware |
0 |
2550901 |
0 |
2550901 |
2550901 |
6.05 % |
14/02/2014 |
| Fred Knoll |
Delaware |
0 |
2550901 |
0 |
2550901 |
2550901 |
6.05 % |
14/02/2014 |
| Europa International, Inc. |
Delaware |
0 |
2550901 |
0 |
2550901 |
2550901 |
6.05 % |
14/02/2014 |
| ( |
United States |
585000 |
0 |
585000 |
0 |
2357500 |
6.4 % |
08/05/2013 |
| Amir L. Ecker |
United States |
1990000 |
795000 |
0 |
0 |
2357500 |
6.4 % |
08/05/2013 |
| Carol G. Frankenfield |
United States |
21000 |
585000 |
0 |
0 |
2357500 |
6.4 % |
08/05/2013 |
| Carol G. Frankenfield |
Delaware |
17500 |
497500 |
0 |
0 |
1896500 |
5.1 % |
29/01/2013 |
| Amir L. Ecker |
Delaware |
1124000 |
645500 |
0 |
0 |
1896500 |
5.1 % |
29/01/2013 |
| 14-1895400) |
Delaware |
497500 |
0 |
497500 |
0 |
1896500 |
5.1 % |
29/01/2013 |
| Genesis Capital Management Limited |
Saint Vincent and the Grenadines |
1542707 |
0 |
1542707 |
0 |
1542707 |
5.3 % |
09/12/2011 |
| Petrus H. Jacobs |
The Netherlands |
1542707 |
0 |
1542707 |
0 |
1542707 |
5.3 % |
09/12/2011 |
| Herald Janssen |
The Netherlands |
1542707 |
0 |
1542707 |
0 |
1542707 |
5.3 % |
09/12/2011 |