| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 11/30/2022 | NAVIDEA BIOPHARMACEUTICALS, INC. | NAVB | Grant | Common Stock | 1.2k | $0.00 | $0 | | 11/30/2022 |
| 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 | Purchase | Series I Convertible Preferred Stock | 115 | $0.45 | $51.8 | | 08/30/2022 |
| 08/30/2022 | NAVIDEA BIOPHARMACEUTICALS, INC. | NAVB | Purchase | Warrant to Purchase Common Stock | 115 | $0.50 | $57.5 | | 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 | | 04/30/2022 |
| 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 | | 12/02/2021 |
| 11/15/2021 | NAVIDEA BIOPHARMACEUTICALS, INC. | NAVB | Grant | Common Stock | 30k | $0.00 | $30 | | 12/02/2021 |
| 11/15/2021 | NAVIDEA BIOPHARMACEUTICALS, INC. | NAVB | Grant | Common Stock | 2.9k | $0.00 | $0 | | 12/02/2021 |
| 09/30/2021 | NAVIDEA BIOPHARMACEUTICALS, INC. | NAVB | Grant | Common Stock | 4k | $0.00 | $0 | | 09/30/2021 |
| 09/17/2021 | NAVIDEA BIOPHARMACEUTICALS, INC. | NAVB | Purchase | Common Stock | 20k | $1.60 | $32k | | 09/17/2021 |
| 07/26/2021 | NAVIDEA BIOPHARMACEUTICALS, INC. | NAVB | Purchase | Common Stock | 15k | $1.70 | $25.5k | | 07/26/2021 |
| 06/30/2021 | NAVIDEA BIOPHARMACEUTICALS, INC. | NAVB | Grant | Common Stock | 3.8k | $0.00 | $0 | | 06/30/2021 |
| 04/23/2021 | NAVIDEA BIOPHARMACEUTICALS, INC. | NAVB | Purchase | Common Stock | 10k | $1.60 | $16k | | 04/23/2021 |
| 03/29/2021 | NAVIDEA BIOPHARMACEUTICALS, INC. | NAVB | Purchase | Common Stock | 21.5k | $2.07 | $44.5k | | 03/29/2021 |
| 03/03/2021 | NAVIDEA BIOPHARMACEUTICALS, INC. | NAVB | Purchase | Common Stock | 15k | $2.31 | $34.6k | | 03/03/2021 |
| 01/13/2021 | NAVIDEA BIOPHARMACEUTICALS, INC. | NAVB | Grant | | 2.5k | $0.00 | $2.5 | | 01/13/2021 |
| 01/13/2021 | NAVIDEA BIOPHARMACEUTICALS, INC. | NAVB | Grant | Stock Option | 2.5k | $2.28 | $5.7k | | 01/13/2021 |
| 12/28/2020 | NAVIDEA BIOPHARMACEUTICALS, INC. | NAVB | Purchase | Common Stock | 5k | $2.07 | $10.4k | | 12/28/2020 |