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Herald Investment Management Ltd
> OSS
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 12/31/2022 | ONE STOP SYSTEMS, INC. | OSS | 626,234 | 0 | 1,853,000 | -150,000 | $2.96 |
| 09/30/2022 | ONE STOP SYSTEMS, INC. | OSS | 626,234 | 0 | 2,003,000 | -439,000 | $3.20 |
| 06/30/2022 | ONE STOP SYSTEMS, INC. | OSS | 626,234 | 0 | 2,442,000 | 50,000 | $3.90 |
| 03/31/2022 | ONE STOP SYSTEMS, INC. | OSS | 626,234 | 0 | 2,392,000 | -707,000 | $3.82 |
| 12/31/2021 | ONE STOP SYSTEMS, INC. | OSS | 626,234 | 0 | 3,099,000 | -19,000 | $4.95 |
| 09/30/2021 | ONE STOP SYSTEMS, INC. | OSS | 626,234 | 0 | 3,118,000 | -470,000 | $4.98 |
| 06/30/2021 | ONE STOP SYSTEMS, INC. | OSS | 626,234 | 0 | 3,588,000 | -338,000 | $5.73 |
| 03/31/2021 | ONE STOP SYSTEMS, INC. | OSS | 626,234 | -120,000 | 3,926,000 | 956,000 | $6.27 |
| 12/31/2020 | ONE STOP SYSTEMS, INC. | OSS | 746,234 | 0 | 2,970,000 | 1,403,000 | $3.98 |
| 09/30/2020 | ONE STOP SYSTEMS, INC. | OSS | 746,234 | 0 | 1,567,000 | 97,000 | $2.10 |
| 06/30/2020 | ONE STOP SYSTEMS, INC. | OSS | 746,234 | 0 | 1,470,000 | 396,000 | $1.97 |
| 03/31/2020 | ONE STOP SYSTEMS, INC. | OSS | 746,234 | -30,000 | 1,074,000 | -493,000 | $1.44 |
| 12/31/2019 | ONE STOP SYSTEMS, INC. | OSS | 776,234 | 0 | 1,567,000 | -715,000 | $2.02 |
| 09/30/2019 | ONE STOP SYSTEMS, INC. | OSS | 776,234 | 396,234 | 2,282,000 | 1,648,000 | $2.94 |
| 06/30/2019 | ONE STOP SYSTEMS, INC. | OSS | 380,000 | 0 | 634,000 | -141,000 | $1.67 |
| 03/31/2019 | ONE STOP SYSTEMS, INC. | OSS | 380,000 | 200,000 | 775,000 | 423,000 | $2.04 |
| 12/31/2018 | ONE STOP SYSTEMS, INC. | OSS | 180,000 | 0 | 352,000 | -314,000 | $1.96 |
| 09/30/2018 | ONE STOP SYSTEMS, INC. | OSS | 180,000 | 0 | 666,000 | -108,000 | $3.70 |
| 06/30/2018 | ONE STOP SYSTEMS, INC. | OSS | 180,000 | 0 | 774,000 | -18,000 | $4.30 |
| 03/31/2018 | ONE STOP SYSTEMS, INC. | OSS | 180,000 | 180,000 | 792,000 | 792,000 | $4.40 |
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