The Seahawks have announced a few roster moves: RB Marquis Weeks was signed from the practice squad to the active roster, as predicted by some here; DT Marcus Green was signed from the Giants' practice squad to the Seahawks' active roster; QB Gibran Hamdan was signed to the Seahawks' practice squad.
I do not know if these moves are official; they were posted in the transactions section of the team's Web site this morning. That generally is not how the team announces things. If the info was posted prematurely, and in case they take it down, there's a screen shot below showing the apparent transactions.
On a side note, Tony Parrish would have to be claimed off waivers; I'm guessing a team with a record worse than 8-4 might put in a claim. Any such team would have priority over the Seahawks.
In any event, I'll be leaving for Kirkland shortly, but wanted to pass those along.