| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 03/02/2023 | ATOSSA THERAPEUTICS, INC. | ATOS | Grant | Stock Option (right to buy) | 1.9M | $0.72 | $1.3M | | 03/02/2023 |
| 02/24/2022 | ATOSSA THERAPEUTICS, INC. | ATOS | Grant | Stock Option (right to buy) | 1.9M | $1.25 | $2.4M | | 02/24/2022 |
| 05/14/2021 | ATOSSA THERAPEUTICS, INC. | ATOS | Grant | Stock Option (right to buy) | 1.9M | $2.90 | $5.5M | | 05/14/2021 |
| 05/14/2021 | ATOSSA THERAPEUTICS, INC. | ATOS | Grant | Stock Option (right to buy) | 1.9M | $2.90 | $5.5M | | 05/14/2021 |
| 04/09/2020 | ATOSSA THERAPEUTICS, INC. | ATOS | Grant | Stock Option (Right to Buy) | 1.3M | $1.48 | $1.9M | | 04/09/2020 |
| 04/09/2020 | ATOSSA THERAPEUTICS, INC. | ATOS | Grant | Stock Option (Right to Buy) | 195k | $1.48 | $288.6k | | 04/09/2020 |
| 01/13/2019 | ATOSSA THERAPEUTICS, INC. | ATOS | Disposition | Stock Option (Right to Buy) | 2.3M | $2.38 | $5.5M | | 01/13/2019 |
| 01/13/2019 | ATOSSA THERAPEUTICS, INC. | ATOS | Grant | Stock Option (Right to Buy) | 2.3M | $1.36 | $3.1M | | 01/13/2019 |
| 06/27/2018 | ATOSSA THERAPEUTICS, INC. | ATOS | Grant | Stock Option (right to buy) | 2.3M | $2.38 | $5.5M | | 06/27/2018 |
| 05/30/2018 | ATOSSA THERAPEUTICS, INC. | ATOS | Purchase | Warrants | 2.3k | $4.05 | $9.2k | See footnote | 05/30/2018 |
| 05/30/2018 | ATOSSA THERAPEUTICS, INC. | ATOS | Purchase | Series B Convertible Preferred Stock | 8 | $1,000.00 | $8k | See footnote | 05/30/2018 |
| 05/24/2017 | ATOSSA THERAPEUTICS, INC. | ATOS | Grant | Stock Option (right to buy) | 575.9k | $0.47 | $270.7k | | 05/24/2017 |
| 05/18/2016 | ATOSSA THERAPEUTICS, INC. | ATOS | Grant | Common Stock (right to buy) | 569.2k | $0.26 | $149.7k | | 05/18/2016 |
| 03/09/2016 | ATOSSA THERAPEUTICS, INC. | ATOS | Purchase | Common Stock | 15k | $0.37 | $5.6k | See Footnote | 03/09/2016 |
| 02/16/2016 | ATOSSA THERAPEUTICS, INC. | ATOS | Purchase | Common Stock | 15k | $0.53 | $8k | See Footnote | 02/16/2016 |
| 01/19/2016 | ATOSSA THERAPEUTICS, INC. | ATOS | Purchase | Common Stock | 50k | $0.20 | $10k | See Footnote | 01/19/2016 |
| 03/16/2015 | ATOSSA THERAPEUTICS, INC. | ATOS | Grant | Stock Options | 275k | $1.88 | $517k | | 03/16/2015 |
| 05/06/2014 | ATOSSA THERAPEUTICS, INC. | ATOS | Grant | Stock Option (right to buy) | 250k | $1.22 | $305k | | 05/06/2014 |
| 10/01/2013 | ATOSSA THERAPEUTICS, INC. | ATOS | Sale | Common Stock | 7.3k | $5.66 | $41.1k | By Ensisheim Partners, LLC | 10/01/2013 |
| 03/11/2013 | ATOSSA THERAPEUTICS, INC. | ATOS | Grant | Stock Option (right to buy) | 44.2k | $6.57 | $290.4k | | 03/11/2013 |