Ann: Takeover offer free from defeating conditions,GXY-GMM.AX, page-4

To ACCEPT the Offer, follow the instructions set out in section 1.4 of the Bidder’s Statement and printed on the Acceptance Form that accompanies the Bidder's Statement. The Offer is scheduled to close at 5.00pm (WST) on 5 August 2016, unless extended by Galaxy.

Yes, I think you can. Not sure when the shares are legally yours if you buy today as Monday is a non-settlement day, so settlement will be Wednesday, 3rd August. Even so, I think there would be time.

Someone else may like to offer an opinion.