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Fin
Echo
Markets
Dashboard
Search
Fear & Greed
Tools
Watchlist
Budget
Context
Upcoming
Notifications
Upcoming
Research
News
Market Events
Economy
SEC Filings
Finecho Content
FISHER RONALD D
Private
CIK: 1065266
Location
NEWTON CENTER, MA
Insider Of
3
Name & Role
Position
Tenure
Holdings
T-MOBILE US, INC.
—
Since Apr 2020
—
SPRINT LLC
—
Since Aug 2018
—
ARM HOLDINGS PLC /UK
—
Since Mar 2026
—
T-MOBILE US, INC.
Position
—
Tenure
Since Apr 2020
Holdings
—
SPRINT LLC
Position
—
Tenure
Since Aug 2018
Holdings
—
ARM HOLDINGS PLC /UK
Position
—
Tenure
Since Mar 2026
Holdings
—