O'Shaughnessy Timothy J

13D and 13G Filings

13D/G filings
13D on 1 security
CIK
0001621362
All SEC filings
View on sec.gov
Issuer % of Class Filed
Schedule 13D · 1 security · may seek to influence control
Graham Holdings Company 13D/A
939640108
4.4% 2/28/2025
Event 11/1/2024

Includes filings since 12/18/2024, when the SEC began requiring structured 13D and 13G data.