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BitMine Sends 9,600 ETH to Coinbase Prime After Biggest Weekly Buy of 2026

On‑chain trackers say the Coinbase Prime deposits likely reflect custody or staking activity by the largest corporate ether holder.

Overview

  • Arkham data shows two transfers to Coinbase Prime hot wallets — 5,300 ETH and 4,308 ETH — totaling roughly $19.5 million, which analysts note do not inherently signal selling.
  • BitMine reports 4,534,563 ETH under treasury — about 3.76% of supply — as it pursues a stated goal of reaching 5% of Ethereum’s supply.
  • The firm has 3,040,483 ETH staked, generating about $174 million in annualized rewards, and it plans to scale staking via its Made in America Validator Network (MAVAN) rollout in early 2026.
  • The company bought 60,976 ETH last week, its largest weekly purchase this year, after increasing buying from a recent 45,000–50,000 ETH pace.
  • Analytics estimate unrealized losses near $7.8 billion on the position, while BMNR shares rose roughly 4% on Monday, retesting the $20 level.