David Grumhaus

David Grumhaus

Chief Executive Officer at DUFF & PHELPS UTILITY AND INFRASTRUCTURE FUND INC.

Net worth: 244 409 $ as of 31/08/2026

59 year
66 connections
Finance
Miscellaneous
Consumer Services

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Latest insider transactions

DateCompanyTypeAmountVolume
26/05/2026Nova DynamicsBuy1 250 000 $32 000
21/05/2026Helios MaterialsSell845 000 $19 500
14/05/2026Atlas RenewablesBuy2 030 000 $48 200

Estimated holdings

CompanyStakeValue
Nova Dynamics4.8 %18 400 000 $
Helios Materials2.1 %6 950 000 $
Atlas Renewables1.3 %3 280 000 $
BluePeak Logistics0.9 %2 040 000 $

Related news feed

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Sector rotation: insiders are more active on clean energy names

New regulatory filing published for executive transactions

Professional network

Executive Management
Board of Directors
Audit Committee
Institutional Investors
Sell-side Analysts

Career timeline

2026 - Chairman of the Board

2022 - Chief Executive Officer

2018 - Chief Financial Officer

2012 - Strategy Committee Member

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