Quantum | 4: Statement of changes in beneficial ownership of securities-Officer Lerner James J
Apr 23 17:32 ET
Quantum | 4: Statement of changes in beneficial ownership of securities-Officer Gianella Kenneth P.
Apr 23 17:31 ET
Quantum | 4: Statement of changes in beneficial ownership of securities-Officer Spanjaard Henk Jan
Apr 23 17:30 ET
Quantum | 4: Statement of changes in beneficial ownership of securities-Officer Cabrera Brian E
Apr 23 17:30 ET
Quantum | 8-K: Current report
Apr 12 16:46 ET
Quantum | 3: Initial statement of beneficial ownership of securities-Officer Spanjaard Henk Jan
Apr 12 16:46 ET
Quantum | 4: Statement of changes in beneficial ownership of securities-Officer Nash Laura A.
Apr 3 17:31 ET
Quantum | 8-K: Current report
Mar 25 16:20 ET
Quantum | 8-K: Current report
Feb 20 16:19 ET
Quantum | SC 13G/A: Statement of acquisition of beneficial ownership by individuals (Amendment)-LONG FOCUS CAPITAL MANAGEMENT, LLC(9.6%),JOHN B. HELMERS(9.6%), etc.
Feb 14 17:18 ET
Quantum | 8-K: Current report
Feb 14 16:39 ET
Quantum | NT 10-Q: Notice under Rule 12b25 of inability to timely file all or part of a form 10-Q or 10-QSB
Feb 14 16:36 ET
Quantum | SC 13G: Statement of acquisition of beneficial ownership by individuals-The Vanguard Group(5.28%)
Feb 13 22:38 ET
Quantum | SC 13G/A: Statement of acquisition of beneficial ownership by individuals (Amendment)-Neuberger Berman Group LLC(15.59%),Neuberger Berman Investment Advisers LLC(15.50%), etc.
Feb 12 16:01 ET
Quantum | SC 13G/A: Statement of acquisition of beneficial ownership by individuals (Amendment)-Nat Klipper(9.8%),ADK Soho Fund LP(8.1%), etc.
Jan 17 00:00 ET
Quantum | SC 13G: Statement of acquisition of beneficial ownership by individuals-Nat Klipper(9.4%),ADK Soho Fund LP(7.7%), etc.
Dec 1, 2023 18:33 ET
Quantum | 8-K: Current report
Nov 17, 2023 16:13 ET
Quantum | 8-K: Current report
Nov 16, 2023 16:00 ET
Quantum | 8-K: Current report
Nov 13, 2023 16:20 ET
Quantum | NT 10-Q: Notice under Rule 12b25 of inability to timely file all or part of a form 10-Q or 10-QSB
Nov 13, 2023 16:01 ET
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