| 11/14/2025 | Wynnefield Capital Inc. | 150,000 | $52K | 0.0% | -33.0% | 6.983% |  |
| 5/1/2025 | Cutter & CO Brokerage Inc. | 37,175 | $0.26M | 0.1% | N/A | 1.733% |  |
| 2/12/2025 | Geode Capital Management LLC | 12,521 | $100K | 0.0% | -93.8% | 0.549% |  |
| 2/7/2025 | Prescott Group Capital Management L.L.C. | 28,150 | $0.23M | 0.0% | -96.1% | 1.309% |  |
| 10/25/2024 | Cutter & CO Brokerage Inc. | 1,807,480 | $0.34M | 0.1% | -5.4% | 79.275% |  |
| 7/31/2024 | Cutter & CO Brokerage Inc. | 1,909,655 | $0.69M | 0.2% | -1.7% | 4.406% |  |
| 5/15/2024 | Teton Advisors Inc. | 92,000 | $44K | 0.0% | -52.9% | 0.212% |  |
| 2/13/2024 | Teton Advisors Inc. | 195,500 | $0.14M | 0.0% | -36.9% | 0.454% |  |
| 2/8/2024 | Essex Investment Management Co. LLC | 343,486 | $0.24M | 0.0% | -26.6% | 0.798% |  |
| 2/5/2024 | Thompson Davis & CO. Inc. | 59,750 | $42K | 0.0% | -38.9% | 0.139% |  |
| 2/1/2024 | Cutter & CO Brokerage Inc. | 1,948,705 | $1.36M | 0.4% | -5.2% | 4.528% |  |
| 1/30/2024 | Oak Family Advisors LLC | 97,608 | $68K | 0.0% | -27.6% | 0.227% |  |
| 11/14/2023 | Wynnefield Capital Inc. | 4,070,637 | $4.56M | 2.1% | +3.6% | 9.458% |  |
| 11/9/2023 | Essex Investment Management Co. LLC | 468,264 | $0.52M | 0.1% | -5.5% | 1.088% |  |
| 11/8/2023 | Teton Advisors Inc. | 310,000 | $0.35M | 0.1% | -16.2% | 0.720% |  |
| 10/12/2023 | Legato Capital Management LLC | 26,182 | $29K | 0.0% | -36.2% | 0.061% |  |
| 7/24/2023 | Meitav Investment House Ltd. | 9,189 | $3.62M | 0.1% | N/A | 0.021% |  |
| 7/13/2023 | Thompson Davis & CO. Inc. | 191,000 | $0.23M | 0.3% | -52.4% | 0.445% |  |
| 5/25/2023 | Legato Capital Management LLC | 41,011 | $59K | 0.0% | +181.7% | 0.095% |  |
| 5/10/2023 | Thompson Davis & CO. Inc. | 401,250 | $0.58M | 0.8% | +1,150.0% | 0.938% |  |
| 5/9/2023 | Cutter & CO Brokerage Inc. | 2,075,793 | $3.01M | 0.9% | +3.6% | 4.851% |  |
| 5/4/2023 | Essex Investment Management Co. LLC | 485,635 | $0.70M | 0.1% | +181.5% | 1.135% |  |
| 5/1/2023 | Oak Family Advisors LLC | 145,177 | $0.21M | 0.1% | +9.9% | 0.339% |  |
| 4/20/2023 | Shufro Rose & Co. LLC | 161,500 | $0.23M | 0.0% | -15.4% | 0.377% |  |
| 4/12/2023 | Koshinski Asset Management Inc. | 60,708 | $88K | 0.0% | -24.0% | 0.142% |  |
| 2/13/2023 | Teton Advisors Inc. | 375,000 | $0.56M | 0.1% | -8.5% | 0.880% |  |
| 2/10/2023 | Prescott Group Capital Management L.L.C. | 353,651 | $0.53M | 0.1% | -4.3% | 0.830% |  |
| 2/3/2023 | Cutter & CO Brokerage Inc. | 2,003,709 | $2.98M | 1.0% | +25.9% | 4.701% |  |
| 2/3/2023 | Essex Investment Management Co. LLC | 172,489 | $0.26M | 0.0% | N/A | 0.405% |  |
| 1/27/2023 | Oak Family Advisors LLC | 132,122 | $0.20M | 0.1% | -51.9% | 0.310% |  |
| 1/25/2023 | Shufro Rose & Co. LLC | 191,009 | $0.29M | 0.0% | -8.2% | 0.448% |  |
| 1/24/2023 | Koshinski Asset Management Inc. | 79,908 | $0.12M | 0.0% | -11.7% | 0.187% |  |
| 11/14/2022 | Teton Advisors Inc. | 410,000 | $0.30M | 0.1% | -11.6% | 0.962% |  |
| 11/14/2022 | Gabelli Funds LLC | 39,000 | $28K | 0.0% | +85.7% | 0.091% |  |
| 11/10/2022 | Gabelli Funds LLC | 39,000 | $28K | 0.0% | +85.7% | 0.091% |  |
| 11/10/2022 | Teton Advisors Inc. | 410,000 | $0.30M | 0.1% | -11.6% | 0.962% |  |
| 11/3/2022 | Cutter & CO Brokerage Inc. | 1,591,941 | $1.16M | 0.4% | -1.0% | 3.735% |  |
| 10/24/2022 | Shufro Rose & Co. LLC | 208,009 | $0.15M | 0.0% | +7.8% | 0.488% |  |
| 8/4/2022 | Thompson Davis & CO. Inc. | 42,200 | $42K | 0.0% | -53.2% | 0.102% |  |
| 8/2/2022 | Thompson Davis & CO. Inc. | 42,450 | $42K | 0.0% | -52.9% | 0.102% |  |
| 7/29/2022 | Oak Family Advisors LLC | 275,905 | $0.28M | 0.1% | -47.8% | 0.664% |  |
| 7/28/2022 | Cutter & CO Brokerage Inc. | 1,608,566 | $1.61M | 0.5% | +29.9% | 3.870% |  |
| 7/12/2022 | Koshinski Asset Management Inc. | 90,508 | $91K | 0.0% | -18.1% | 0.218% |  |
| 5/13/2022 | S. Muoio & CO. LLC | 139,836 | $0.30M | 0.4% | -24.7% | 0.359% |  |
| 5/10/2022 | Prescott Group Capital Management L.L.C. | 369,700 | $0.79M | 0.2% | +8.8% | 0.950% |  |
| 5/9/2022 | Shufro Rose & Co. LLC | 193,009 | $0.41M | 0.0% | +68.6% | 0.496% |  |
| 5/3/2022 | Cutter & CO Brokerage Inc. | 1,238,414 | $2.64M | 0.8% | +16.5% | 3.183% |  |
| 5/3/2022 | Oak Family Advisors LLC | 528,196 | $1.13M | 0.4% | +56.8% | 1.357% |  |
| 4/20/2022 | Koshinski Asset Management Inc. | 110,508 | $0.24M | 0.0% | -7.6% | 0.284% |  |
| 2/11/2022 | Allianz Asset Management GmbH | 933,418 | $2.55M | 0.0% | -1.4% | 2.411% |  |
| 2/10/2022 | Prescott Group Capital Management L.L.C. | 339,700 | $0.93M | 0.2% | N/A | 0.877% |  |
| 2/10/2022 | Cutter & CO Brokerage Inc. | 1,063,461 | $2.90M | 0.8% | -2.0% | 2.747% |  |
| 2/10/2022 | B. Riley Wealth Management Inc. | 13,344 | $36K | 0.0% | -57.1% | 0.034% |  |
| 2/2/2022 | Oak Family Advisors LLC | 336,948 | $0.92M | 0.3% | +13.8% | 0.870% |  |
| 1/27/2022 | Janney Montgomery Scott LLC | 25,050 | $68K | 0.0% | -43.6% | 0.065% |  |
| 1/27/2022 | Shufro Rose & Co. LLC | 114,500 | $0.31M | 0.0% | +8.5% | 0.296% |  |
| 1/14/2022 | Koshinski Asset Management Inc. | 119,658 | $0.33M | 0.0% | -27.7% | 0.309% |  |
| 11/12/2021 | Teton Advisors Inc. | 470,000 | $1.22M | 0.2% | -0.8% | 1.216% |  |
| 11/12/2021 | B. Riley Wealth Management Inc. | 31,130 | $81K | 0.0% | N/A | 0.081% |  |
| 11/10/2021 | Allianz Asset Management GmbH | 946,868 | $2.45M | 0.0% | -13.4% | 2.450% |  |
| 11/9/2021 | BlackRock Inc. | 64,174 | $0.17M | 0.0% | +105.5% | 0.166% |  |
| 11/5/2021 | Shufro Rose & Co. LLC | 105,500 | $0.27M | 0.0% | +38.8% | 0.287% |  |
| 11/2/2021 | Cutter & CO Brokerage Inc. | 1,084,811 | $2.81M | 0.7% | +5.5% | 2.950% |  |
| 10/26/2021 | Old West Investment Management LLC | 337,800 | $0.87M | 0.2% | -21.7% | 0.919% |  |
| 8/16/2021 | State Street Corp | 45,326 | $0.17M | 0.0% | +276.6% | 0.123% |  |