Reporting Manager
GAMCO INVESTORS, INC. ET AL
Symbol
ZIMV
Disclosed Ownership
0 shares
Ownership
0%
Form type
SCHEDULE 13D
Filing time
28 Jul 2025, 16:10:13 UTC
Date of event
25 Jul 2025
Next filing
22 Oct 2025

Reporting Managers (9)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
GAMCO INVESTORS, INC. ET AL 0% 0 0 0 PETER D. GOLDSTEIN GENERAL COUNSEL 0000807249
GABELLI FUNDS LLC 1.2% 347,572 347,572 0 DAVID GOLDMAN GENERAL COUNSEL 0001081407
GAMCO Asset Management Inc. 2.9% 802,753 802,753 0 DOUGLAS R. JAMIESON PRESIDENT 0001460612
GABELLI & Co INVESTMENT ADVISERS, INC. 0.6% 169,450 169,450 0 DOUGLAS R. JAMIESON PRESIDENT 0000932724
GABELLI FOUNDATION, INC. 0% 12,000 12,000 0 DAVID GOLDMAN ATTORNEY-IN-FACT
Teton Advisors, Inc. 0.3% 70,000 70,000 0 DAVID GOLDMAN COUNSEL 0001444874
GGCP, INC. 0% 0 0 0 DAVID GOLDMAN ATTORNEY-IN-FACT 0001238894
Associated Capital Group, Inc. 0% 0 0 0 PETER D. GOLDSTEIN CHIEF LEGAL OFFICER 0001642122
GABELLI MARIO J 0% 1,000 1,000 0 DAVID GOLDMAN ATTORNEY-IN-FACT 0001185533