| 8/14/2025 | Jane Street Group LLC | 41,484 | $26K | 0.0% | N/A | 0.134% |  |
| 8/8/2025 | Richmond Brothers Inc. | 1,453,735 | $0.92M | 0.6% | +8.0% | 4.683% |  |
| 8/7/2025 | Dalton Investments Inc. | 745,000 | $0.47M | 0.3% | +45.4% | 2.400% |  |
| 8/4/2025 | Beirne Wealth Consulting Services LLC | 314,150 | $0.20M | 0.1% | +6.0% | 1.012% |  |
| 7/31/2025 | Ingalls & Snyder LLC | 1,349,435 | $0.86M | 0.0% | +1.1% | 4.347% |  |
| 5/12/2025 | Dalton Investments Inc. | 512,312 | $0.41M | 0.2% | +109.1% | 1.650% |  |
| 5/2/2025 | Richmond Brothers Inc. | 1,346,406 | $1.08M | 0.7% | +5.1% | 4.337% |  |
| 5/1/2025 | Beirne Wealth Consulting Services LLC | 296,350 | $0.24M | 0.1% | -9.1% | 0.955% |  |
| 2/14/2025 | Jane Street Group LLC | 39,196 | $29K | 0.0% | +266.0% | 0.126% |  |
| 2/11/2025 | Richmond Brothers Inc. | 1,281,176 | $0.96M | 0.6% | +12.2% | 4.128% |  |
| 1/31/2025 | Beirne Wealth Consulting Services LLC | 325,875 | $0.24M | 0.1% | -13.4% | 1.050% |  |
| 1/29/2025 | Ingalls & Snyder LLC | 1,590,855 | $1.19M | 0.0% | -19.8% | 5.125% |  |
| 11/16/2024 | Geode Capital Management LLC | 319,905 | $0.43M | 0.0% | +4.8% | 1.031% |  |
| 11/5/2024 | GSA Capital Partners LLP | 41,790 | $56K | 0.0% | -86.0% | 0.135% |  |
| 8/12/2024 | Richmond Brothers Inc. | 1,072,014 | $1.38M | 2.7% | +39.5% | 3.454% |  |
| 8/12/2024 | XTX Topco Ltd | 22,240 | $29K | 0.0% | -52.7% | 0.072% |  |
| 7/31/2024 | Ingalls & Snyder LLC | 1,989,622 | $2.57M | 0.1% | -1.3% | 6.410% |  |
| 7/30/2024 | International Assets Investment Management LLC | 21,550 | $28K | 0.0% | +41.3% | 0.069% |  |
| 7/20/2024 | Accredited Investors Inc. | 87,627 | $0.11M | 0.0% | N/A | 0.282% |  |
| 5/14/2024 | Gagnon Securities LLC | 380,131 | $0.46M | 0.1% | +6.0% | 1.225% |  |
| 5/10/2024 | Tocqueville Asset Management L.P. | 256,220 | $0.31M | 0.0% | +10.8% | 0.826% |  |
| 5/10/2024 | Richmond Brothers Inc. | 768,344 | $0.93M | 1.7% | +48.2% | 2.476% |  |
| 2/8/2024 | Richmond Brothers Inc. | 518,294 | $0.31M | 0.5% | N/A | 1.737% |  |
| 1/17/2024 | Silverberg Bernstein Capital Management LLC | 46,853 | $28K | 0.0% | N/A | 0.157% |  |
| 11/16/2023 | Ironwood Investment Management LLC | 206,267 | $0.51M | 0.3% | +144.6% | 0.747% |  |
| 11/9/2023 | Tocqueville Asset Management L.P. | 195,020 | $0.49M | 0.0% | +111.9% | 0.707% |  |
| 11/7/2023 | CM Management LLC | 525,000 | $1.31M | 1.4% | +11.7% | 1.902% |  |
| 11/7/2023 | Accredited Investors Inc. | 56,800 | $0.14M | 0.0% | N/A | 0.206% |  |
| 11/7/2023 | Barclays PLC | 41,600 | $0.10M | 0.0% | +3,366.7% | 0.151% |  |
| 11/7/2023 | Jump Financial LLC | 25,700 | $64K | 0.0% | N/A | 0.093% |  |
| 11/3/2023 | Black Diamond Financial LLC | 21,000 | $52K | 0.0% | N/A | 0.076% |  |
| 8/8/2023 | Gagnon Securities LLC | 190,414 | $0.94M | 0.2% | +12.3% | 0.778% |  |
| 8/4/2023 | CM Management LLC | 470,000 | $2.33M | 2.3% | +17.5% | 1.919% |  |
| 8/3/2023 | Beirne Wealth Consulting Services LLC | 281,308 | $1.39M | 1.1% | -1.2% | 1.149% |  |
| 7/27/2023 | Ingalls & Snyder LLC | 1,493,557 | $7.39M | 0.4% | +22.9% | 6.099% |  |
| 6/1/2023 | Prelude Capital Management LLC | 12,542 | $57K | 0.0% | N/A | 0.051% |  |
| 5/15/2023 | Ironwood Investment Management LLC | 87,028 | $0.39M | 0.2% | +4.4% | 0.355% |  |
| 5/10/2023 | Montchanin Asset Management LLC | 108,722 | $0.46M | 0.6% | +74.9% | 0.444% |  |
| 5/10/2023 | Beirne Wealth Consulting Services LLC | 284,808 | $1.29M | 0.9% | +20.9% | 1.163% |  |
| 5/10/2023 | Tocqueville Asset Management L.P. | 93,370 | $0.42M | 0.0% | +2.3% | 0.381% |  |
| 5/10/2023 | Connor Clark & Lunn Investment Management Ltd. | 23,631 | $0.11M | 0.0% | -37.5% | 0.096% |  |
| 5/9/2023 | Ingalls & Snyder LLC | 1,214,857 | $5.50M | 0.3% | +32.8% | 4.961% |  |
| 5/8/2023 | CM Management LLC | 400,000 | $1.81M | 2.2% | +6.7% | 1.633% |  |
| 4/10/2023 | Gagnon Securities LLC | 169,599 | $0.77M | 0.2% | +8.9% | 0.693% |  |
| 3/29/2023 | Diametric Capital LP | 11,094 | $38K | 0.0% | -90.4% | 0.045% |  |
| 2/16/2023 | Montchanin Asset Management LLC | 62,148 | $0.22M | 0.3% | -88.2% | 0.273% |  |
| 2/14/2023 | Susquehanna International Group LLP | 11,954 | $41K | 0.0% | N/A | 0.052% |  |
| 2/14/2023 | Dalton Investments LLC | 75,000 | $0.26M | 0.2% | -90.0% | 0.329% |  |
| 2/13/2023 | Antara Capital LP | 517,071 | $1.79M | 0.1% | -89.6% | 2.269% |  |
| 2/13/2023 | Harbert Fund Advisors Inc. | 130,933 | $0.45M | 0.4% | -89.7% | 0.575% |  |
| 2/10/2023 | Connor Clark & Lunn Investment Management Ltd. | 37,832 | $0.13M | 0.0% | -90.0% | 0.166% |  |
| 2/9/2023 | Bank of Nova Scotia | 24,039 | $83K | 0.0% | N/A | 0.105% |  |
| 2/9/2023 | Tocqueville Asset Management L.P. | 91,240 | $0.32M | 0.0% | -89.5% | 0.400% |  |
| 2/9/2023 | CM Management LLC | 375,000 | $1.30M | 1.5% | -90.0% | 1.646% |  |
| 2/8/2023 | Beirne Wealth Consulting Services LLC | 235,508 | $0.82M | 0.4% | -93.0% | 1.033% |  |
| 2/8/2023 | Russell Investments Group Ltd. | 7,820 | $27K | 0.0% | -90.0% | 0.034% |  |
| 2/7/2023 | Gagnon Securities LLC | 155,807 | $0.54M | 0.1% | -89.5% | 0.684% |  |
| 2/1/2023 | Cowen Prime Advisors LLC | 46,930 | $0.16M | 0.1% | -63.4% | 0.206% |  |
| 1/31/2023 | Ingalls & Snyder LLC | 914,932 | $3.17M | 0.2% | -90.0% | 4.015% |  |
| 1/31/2023 | Ironwood Investment Management LLC | 83,378 | $0.29M | 0.2% | -90.2% | 0.366% |  |
| 1/26/2023 | Regis Management CO LLC | 13,425 | $46K | 0.0% | -90.0% | 0.059% |  |
| 1/20/2023 | DAVENPORT & Co LLC | 16,675 | $58K | 0.0% | -90.0% | 0.073% |  |
| 1/13/2023 | Merit Financial Group LLC | 10,088 | $35K | 0.0% | N/A | 0.044% |  |
| 11/16/2022 | Montchanin Asset Management LLC | 525,011 | $0.30M | 0.4% | +8.3% | 0.230% |  |
| 11/14/2022 | Ergoteles LLC | 928,000 | $0.54M | 0.0% | -7.6% | 0.407% |  |
| 11/7/2022 | Beirne Wealth Consulting Services LLC | 3,369,906 | $1.95M | 0.7% | +9.8% | 1.480% |  |
| 10/25/2022 | Raymond James & Associates | 214,500 | $0.12M | 0.0% | -18.6% | 0.094% |  |
| 10/21/2022 | Ingalls & Snyder LLC | 9,124,505 | $5.28M | 0.3% | +0.7% | 4.006% |  |
| 8/16/2022 | Montchanin Asset Management LLC | 484,625 | $0.23M | 0.3% | N/A | 0.213% |  |
| 8/8/2022 | CM Management LLC | 3,750,000 | $1.79M | 1.9% | +6.1% | 1.646% |  |
| 8/8/2022 | Y Intercept Hong Kong Ltd | 96,793 | $46K | 0.0% | N/A | 0.042% |  |
| 8/5/2022 | Connor Clark & Lunn Investment Management Ltd. | 374,253 | $0.18M | 0.0% | +375.4% | 0.164% |  |
| 8/5/2022 | Dalton Investments LLC | 750,000 | $0.36M | 0.3% | +106.8% | 0.329% |  |
| 8/1/2022 | Gagnon Securities LLC | 1,479,219 | $0.71M | 0.1% | +1.7% | 0.649% |  |
| 7/13/2022 | Beirne Wealth Consulting Services LLC | 3,070,296 | $1.47M | 1.0% | +11.3% | 1.348% |  |
| 5/12/2022 | Connor Clark & Lunn Investment Management Ltd. | 78,730 | $53K | 0.0% | N/A | 0.035% |  |
| 5/10/2022 | Beirne Wealth Consulting Services LLC | 2,759,671 | $1.85M | 1.0% | +10.0% | 1.212% |  |
| 5/9/2022 | Gagnon Securities LLC | 1,454,219 | $0.97M | 0.2% | +3.8% | 0.639% |  |
| 5/9/2022 | CM Management LLC | 3,535,732 | $2.37M | 2.0% | +20.9% | 1.553% |  |
| 5/9/2022 | Tobias Financial Advisors Inc. | 48,981 | $33K | 0.0% | N/A | 0.022% |  |
| 5/9/2022 | Ingalls & Snyder LLC | 7,243,385 | $4.85M | 0.2% | -0.8% | 3.181% |  |
| 2/11/2022 | Renaissance Technologies LLC | 2,911,430 | $2.87M | 0.0% | -2.5% | 1.280% |  |
| 2/8/2022 | Gagnon Securities LLC | 1,401,051 | $1.38M | 0.2% | +5.5% | 0.616% |  |
| 2/8/2022 | Cowen Prime Advisors LLC | 113,203 | $0.11M | 0.0% | +27.7% | 0.050% |  |
| 2/8/2022 | ProShare Advisors LLC | 49,421 | $49K | 0.0% | +70.5% | 0.022% |  |
| 2/8/2022 | Northern Trust Corp | 2,081,302 | $2.05M | 0.0% | -14.7% | 0.915% |  |
| 2/7/2022 | SG Americas Securities LLC | 202,647 | $0.20M | 0.0% | -21.6% | 0.089% |  |
| 2/3/2022 | Beirne Wealth Consulting Services LLC | 2,509,671 | $2.47M | 1.4% | +6.1% | 1.103% |  |
| 2/2/2022 | CM Management LLC | 2,925,195 | $2.88M | 2.2% | +10.4% | 1.286% |  |
| 1/18/2022 | Kovack Advisors Inc. | 25,000 | $25K | 0.0% | N/A | 0.011% |  |
| 11/16/2021 | Two Sigma Advisers LP | 437,200 | $0.56M | 0.0% | -49.5% | 0.192% |  |
| 11/16/2021 | Metropolitan Life Insurance Co NY | 32,153 | $41K | 0.0% | -59.6% | 0.014% |  |
| 11/15/2021 | Ancora Advisors LLC | 39,000 | $50K | 0.0% | N/A | 0.017% |  |
| 11/15/2021 | Lion Point Capital LP | 15,486,004 | $19.82M | 3.7% | +1.2% | 6.807% |  |
| 11/15/2021 | Tocqueville Asset Management L.P. | 871,800 | $1.12M | 0.0% | -5.2% | 0.383% |  |
| 11/15/2021 | Healthcare Value Capital LLC | 250,000 | $0.32M | 0.6% | N/A | 0.110% |  |
| 11/15/2021 | GSA Capital Partners LLP | 447,176 | $0.57M | 0.1% | +13.3% | 0.197% |  |
| 11/12/2021 | Renaissance Technologies LLC | 2,985,930 | $3.82M | 0.0% | -5.8% | 1.312% |  |
| 11/12/2021 | The Manufacturers Life Insurance Company | 69,957 | $90K | 0.0% | -52.2% | 0.031% |  |
| 11/12/2021 | Credit Suisse AG | 230,700 | $0.30M | 0.0% | +4.2% | 0.101% |  |