They have given an update on July about the distribution in terms of Airdrops, not in terms of ICO, so what are the requirements we need to have in order to qualify for the Airdrops Either we need to hold ETH or any other coins.
This clip from the team's update should help to clarify:
The first airdrop will be to the 3,500+ community members who successfully
passed our KYC process and provided us with a token wallet address. Those members will each receive an airdrop of 500 CodexCoin tokens (CODX). Purchasers who bought as part of the public sale will each receive a refund of the ETH they contributed along with an additional airdrop of 2,000 CodexCoin.
Read more:
https://medium.com/codexprotocol/codexcoin-sale-update-airdrop-3af53c6a5e9b