tainaor - this is the key phrase.
"The Form 144 is filed with the Securities and Exchange Commission to reflect the intention of any holder of restricted stock to sell those shares. After the 144 is mailed to the S.E.C., the filer is permitted to sell the shares, or any fraction of them, within 90 days."
Form 144 allows the holder of the stock to sell their holdings ,as it states, with 90 days or thereafter. they cannot legally sell any sooner than the 90 days.
yes,...this appears that this entity is registering to sell their 100,000 shares.