It pointed to Depomed's antitakeover moves--which went on display last year as it worked to evade hostile suitor Horizon Pharma ($HZNP)--and claimed Depomed was "egregiously manipulating the corporate machinery to entrench management and the board." Depomed, for its part, said Thursday that it wasn't sure why Starboard had taken to a public solicitation to call a special meeting. More than four weeks ago, after StarBoard first came calling about a special meeting, "Depomed was prepared to facilitate Starboard's delivery of the formal notice to call a special meeting without having to conduct any further solicitation," the company said in a statement.