According to @lookonchain (X, Oct 10, 2025), an unidentified Bitcoin OG sold 35,991 BTC for 886,371 ETH about a month ago, valuing the swap at roughly $4.38B vs $3.88B now as reported by @lookonchain. According to @lookonchain (X, Oct 10, 2025), the same entity dumped 3,000 BTC two days ago and is shorting 3,600 BTC today, with position sizes cited at approximately $363.87M and $438M. According to @lookonchain (X, Oct 10, 2025), on-chain traces show wallet 0x52d3 sent 0.1 ETH to the Bitcoin OG for gas and later deposited 1.31M USDC into Trend Research’s Binance deposit address, with an Arkham Intelligence address page shared for verification. According to @lookonchain (X, Oct 10, 2025), the Arkham link enables traders to monitor these addresses and flows for potential market impact.