Grayscale Bitcoin Trust ETF sponsor appoints Simon Koster to board; Kummell steps down

Grayscale Bitcoin Trust ETF

Matthew Kummell stepped down as Director of GSOIH, the sole managing member of Grayscale sponsor.
Simon Koster, Chief Strategy Officer at Digital Currency Group, appointed as Director effective Oct 13, 2025.
Koster leads DCG's investment team managing over 250+ early-stage companies across 35+ nations.
Koster also serves on boards of Foundry, Luno, Fortitude, Yuma, all affiliates of Grayscale.

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