Scapa James Ralph
Related Filers (1)
Other (5)
144
Tuesday, 1/16/2024
Filing for proposed sale of securities under Rule 144
144
Monday, 10/16/2023
Filing for proposed sale of securities under Rule 144
144
Monday, 7/17/2023
Filing for proposed sale of securities under Rule 144
144
Tuesday, 6/6/2023
Filing for proposed sale of securities under Rule 144
144
Monday, 4/17/2023
Filing for proposed sale of securities under Rule 144
Ownership (94)
SC 13G/A
Tuesday, 2/13/2024
Altair Engineering Inc.: Major Shareholders
4
Thursday, 1/18/2024
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 12/19/2023
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 11/17/2023
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 10/17/2023
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 9/19/2023
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 8/17/2023
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 7/18/2023
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 6/20/2023
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 6/7/2023
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 5/17/2023
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Monday, 5/15/2023
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 5/11/2023
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 4/18/2023
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 3/17/2023
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 3/16/2023
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 3/15/2023
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 3/8/2023
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 2/16/2023
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
SC 13G/A
Monday, 2/6/2023
Altair Engineering Inc.: Major Shareholders
4
Thursday, 1/19/2023
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 1/10/2023
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 11/17/2022
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 5/13/2022
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 5/12/2022
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 3/23/2022
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 3/18/2022
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 3/16/2022
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 3/9/2022
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
SC 13G/A
Tuesday, 2/8/2022
Altair Engineering Inc.: Major Shareholders
4
Wednesday, 2/2/2022
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 12/17/2021
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 11/19/2021
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 11/17/2021
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 10/21/2021
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 10/19/2021
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Monday, 9/20/2021
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 9/17/2021
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 8/19/2021
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 8/18/2021
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 7/20/2021
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Monday, 7/19/2021
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Monday, 6/21/2021
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 6/17/2021
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 5/20/2021
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 5/19/2021
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 5/13/2021
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 4/16/2021
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 3/18/2021
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 3/17/2021
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 3/16/2021
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Monday, 3/8/2021
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 2/19/2021
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 2/18/2021
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
SC 13G/A
Tuesday, 2/16/2021
Altair Engineering Inc.: Major Shareholders
4
Friday, 1/22/2021
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 1/20/2021
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Monday, 12/21/2020
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 12/17/2020
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Monday, 12/14/2020
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 11/18/2020
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 10/21/2020
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Monday, 10/19/2020
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 9/17/2020
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 8/19/2020
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Monday, 7/20/2020
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 7/17/2020
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 4/10/2020
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 3/12/2020
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 3/11/2020
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
SC 13G/A
Thursday, 2/6/2020
Altair Engineering Inc.: Major Shareholders
4
Monday, 10/7/2019
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 10/3/2019
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 10/3/2019
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 9/5/2019
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Monday, 8/5/2019
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 7/5/2019
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 7/3/2019
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Thursday, 6/6/2019
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 6/5/2019
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 6/5/2019
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 5/7/2019
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Monday, 5/6/2019
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 5/3/2019
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Friday, 4/12/2019
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 4/10/2019
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 4/9/2019
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Tuesday, 3/26/2019
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
SC 13G/A
Thursday, 2/14/2019
Altair Engineering Inc.: Major Shareholders
4
Monday, 6/11/2018
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
4
Wednesday, 2/21/2018
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
SC 13G
Wednesday, 2/14/2018
Altair Engineering Inc.: Major Shareholders
4
Friday, 11/3/2017
Altair Engineering Inc.: Statement of changes in beneficial ownership of securities
3
Tuesday, 10/31/2017
Altair Engineering Inc.: Initial statement of beneficial ownership of securities