According to on-chain analyst Aunt Ai (@ai_9684 xtpa), two ancient BTCs that had been dormant for 12 years had a total of 673 BTC transferred out:

Address 1 Nbxk...Zqef 1 transferred 330 BTC worth $39.03 million after 12 years of inactivity. The receiving address has not yet been activated.

After 12 years of inactivity, address 3 HLke...9 s 6 CJ transferred out 343 BTC, valued at $40.52 million, of which 130.77 BTC were deposited into Kraken 18 hours ago.