| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 06/29/2023 | NAVIDEA BIOPHARMACEUTICALS, INC. | NAVB | Grant | Common Stock | 12.2M | $0.09 | $1.1M | | 06/29/2023 |
| 06/05/2023 | NAVIDEA BIOPHARMACEUTICALS, INC. | NAVB | Grant | Common Stock | 11.5M | $0.00 | $0 | | 06/01/2023 |
| 06/05/2023 | NAVIDEA BIOPHARMACEUTICALS, INC. | NAVB | Conversion | Series J Convertible Preferred Stock | 12k | $0.10 | $1.2k | | 06/01/2023 |
| 06/01/2023 | NAVIDEA BIOPHARMACEUTICALS, INC. | NAVB | Purchase | Series J Convertible Preferred Stock | 12k | $0.10 | $1.2k | | 06/01/2023 |
| 06/01/2023 | NAVIDEA BIOPHARMACEUTICALS, INC. | NAVB | Other (disposition) | Series G Redeemable Preferred Stock | 990 | $0.00 | $0 | | 06/01/2023 |
| 11/30/2022 | NAVIDEA BIOPHARMACEUTICALS, INC. | NAVB | Grant | Common Stock | 1.2k | $0.00 | $0 | | 11/30/2022 |
| 09/30/2022 | NAVIDEA BIOPHARMACEUTICALS, INC. | NAVB | Grant | Common Stock | 2.5k | $0.00 | $0 | | 09/30/2022 |
| 08/31/2022 | NAVIDEA BIOPHARMACEUTICALS, INC. | NAVB | Grant | Common Stock | 2.5k | $0.00 | $0 | | 08/30/2022 |
| 08/30/2022 | NAVIDEA BIOPHARMACEUTICALS, INC. | NAVB | Sale | Series F Redeemable Convertible Preferred Stock | 1.7k | $0.80 | $1.4k | | 08/30/2022 |
| 08/30/2022 | NAVIDEA BIOPHARMACEUTICALS, INC. | NAVB | Purchase | Series I Convertible Preferred Stock | 2.4k | $0.45 | $1.1k | | 08/30/2022 |
| 08/30/2022 | NAVIDEA BIOPHARMACEUTICALS, INC. | NAVB | Purchase | Warrant to Purchase Common Stock | 2.4k | $0.50 | $1.2k | | 08/30/2022 |
| 07/31/2022 | NAVIDEA BIOPHARMACEUTICALS, INC. | NAVB | Grant | Common Stock | 2.5k | $0.00 | $0 | | 07/31/2022 |
| 06/30/2022 | NAVIDEA BIOPHARMACEUTICALS, INC. | NAVB | Grant | Common Stock | 2.5k | $0.00 | $0 | | 06/30/2022 |
| 05/31/2022 | NAVIDEA BIOPHARMACEUTICALS, INC. | NAVB | Grant | Common Stock | 2.5k | $0.00 | $0 | | 05/31/2022 |
| 04/30/2022 | NAVIDEA BIOPHARMACEUTICALS, INC. | NAVB | Grant | Common Stock | 2.5k | $0.00 | $0 | | 04/10/2022 |
| 04/10/2022 | NAVIDEA BIOPHARMACEUTICALS, INC. | NAVB | Purchase | Series G Redeemable Preferred Stock | 3.3k | $0.00 | $0 | | 04/10/2022 |
| 04/10/2022 | NAVIDEA BIOPHARMACEUTICALS, INC. | NAVB | Purchase | Series F Redeemable Convertible Preferred Stock | 1.7k | $0.80 | $1.4k | | 04/10/2022 |
| 04/10/2022 | NAVIDEA BIOPHARMACEUTICALS, INC. | NAVB | Sale | Series E Redeemable Convertible Preferred Stock | 50k | $2.30 | $115k | | 04/10/2022 |
| 03/31/2022 | NAVIDEA BIOPHARMACEUTICALS, INC. | NAVB | Grant | Common Stock | 2.5k | $0.00 | $0 | | 03/31/2022 |
| 02/28/2022 | NAVIDEA BIOPHARMACEUTICALS, INC. | NAVB | Grant | Common Stock | 2.5k | $0.00 | $0 | | 02/28/2022 |
| 01/31/2022 | NAVIDEA BIOPHARMACEUTICALS, INC. | NAVB | Grant | Common Stock | 2.5k | $0.00 | $0 | | 01/31/2022 |
| 12/31/2021 | NAVIDEA BIOPHARMACEUTICALS, INC. | NAVB | Grant | Common Stock | 2.5k | $0.00 | $0 | | 12/31/2021 |
| 11/30/2021 | NAVIDEA BIOPHARMACEUTICALS, INC. | NAVB | Grant | Common Stock | 1.2k | $0.00 | $0 | | 11/15/2021 |
| 11/15/2021 | NAVIDEA BIOPHARMACEUTICALS, INC. | NAVB | Grant | Common Stock | 30k | $0.00 | $30 | | 11/15/2021 |
| 11/15/2021 | NAVIDEA BIOPHARMACEUTICALS, INC. | NAVB | Grant | Common Stock | 2.5k | $0.00 | $0 | | 11/15/2021 |
| 03/02/2021 | NAVIDEA BIOPHARMACEUTICALS, INC. | NAVB | Purchase | Series E Redeemable Convertible Preferred Stock | 50k | $2.30 | $115k | | 03/02/2021 |
| 08/30/2020 | NAVIDEA BIOPHARMACEUTICALS, INC. | NAVB | Purchase | Common Stock | 5k | $5.00 | $25k | | 08/30/2020 |
| 02/13/2020 | NAVIDEA BIOPHARMACEUTICALS, INC. | NAVB | Purchase | Common Stock | 2.4M | $0.85 | $2M | | 02/13/2020 |
| 12/06/2019 | NAVIDEA BIOPHARMACEUTICALS, INC. | NAVB | Purchase | Common Stock | 555.6k | $0.90 | $500k | | 12/06/2019 |
| 06/18/2019 | NAVIDEA BIOPHARMACEUTICALS, INC. | NAVB | Purchase | Common Stock | 4M | $0.75 | $3M | | 06/18/2019 |
| 03/22/2019 | NAVIDEA BIOPHARMACEUTICALS, INC. | NAVB | Purchase | Common Stock | 357.1k | $0.14 | $50k | | 03/22/2019 |