James Ralph Scapa 13D/13G Filings for Altair Engineering Inc. (ALTR)

James Ralph Scapa 13D and 13G filings for Altair Engineering Inc.:

  • Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
  • Shares have been adjusted for stock splits.
Time period
Reported
DateTime
Transaction
Date
Type Company
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev Report View
2025-03-26
6:31 pm
Sale
2025-03-26 13G Altair Engineering Inc.
ALTR
James Ralph Scapa 0
0.000%
-17,105,011decrease
(Position Closed)
Filing
2024-11-08
4:44 pm
Sale
2024-09-30 13G Altair Engineering Inc.
ALTR
James Ralph Scapa 17,105,011
22.300%
-11,555decrease
(-0.07%)
Filing
2024-02-13
3:48 pm
Sale
2023-12-31 13G Altair Engineering Inc.
ALTR
James Ralph Scapa 17,116,566
23.900%
-237,626decrease
(-1.37%)
Filing
2023-02-06
09:13 am
Purchase
2022-12-31 13G Altair Engineering Inc.
ALTR
James Ralph Scapa 17,354,192
24.900%
10,479increase
(+0.06%)
Filing
2022-02-08
4:51 pm
Sale
2021-12-31 13G Altair Engineering Inc.
ALTR
James Ralph Scapa 17,343,713
25.500%
-735,838decrease
(-4.07%)
Filing
2021-02-16
06:26 am
Sale
2020-12-31 13G Altair Engineering Inc.
ALTR
James Ralph Scapa 18,079,551
29.500%
-359,140decrease
(-1.95%)
Filing