Niederhuber John
Related Filers (2)
Ownership (18)
4
Friday, 6/3/2022
Aptevo Therapeutics Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 6/2/2021
Aptevo Therapeutics Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 2/17/2021
Aptevo Therapeutics Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 7/29/2020
Aptevo Therapeutics Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 6/4/2019
Aptevo Therapeutics Inc.: Statement of changes in beneficial ownership of securities
4
Monday, 6/4/2018
Aptevo Therapeutics Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 6/1/2017
Aptevo Therapeutics Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 8/5/2016
Aptevo Therapeutics Inc.: Statement of changes in beneficial ownership of securities
3
Tuesday, 8/2/2016
Aptevo Therapeutics Inc.: Initial statement of beneficial ownership of securities
4/A
Monday, 5/23/2016
Emergent BioSolutions Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 5/20/2016
Emergent BioSolutions Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 5/21/2015
Emergent BioSolutions Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 5/23/2014
Emergent BioSolutions Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 5/24/2013
Emergent BioSolutions Inc.: Statement of changes in beneficial ownership of securities
4
Monday, 5/21/2012
Emergent BioSolutions Inc.: Statement of changes in beneficial ownership of securities
4
Monday, 5/23/2011
Emergent BioSolutions Inc.: Statement of changes in beneficial ownership of securities
3
Wednesday, 9/15/2010
Emergent BioSolutions Inc.: Initial statement of beneficial ownership of securities
4
Wednesday, 9/15/2010
Emergent BioSolutions Inc.: Statement of changes in beneficial ownership of securities