Efraín Martínez

Corporate Officer/Principal en EMPRESA DE TELECOMUNICACIONES DE BOGOTÁ S.A. E.S.P. .

Consumer Services

Communications

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Latest insider transactions

An executive increases exposure to an industrial stock

Sector rotation: insiders are more active on clean energy names

New regulatory filing published for executive transactions

Executive Management

Board of Directors

Audit Committee

Institutional Investors

Sell-side Analysts

2026 - Chairman of the Board

2022 - Chief Executive Officer

2018 - Chief Financial Officer

2012 - Strategy Committee Member