Looking back at the last cycle, the Ethereum Foundation sold coins at four key points:
1. Sell the first rebound high after the bear market bottomed out, June 2019
2. Sell the first surge in the bull market, December 2020
3. Sell the weekly level relay in the bull market, March 2021
4. Sell the high point of the bull market, May 2021 & November 2021
For the current cycle, the Foundation sold coins at:
May 2023 Sell 1 Rebound after bottoming out
August 2024 Sell 2 The first surge in the bull market