Oregon Revised Statutes Financial Institutions § 711.175

(1) A stockholder of an Oregon stock bank or Oregon trust company may dissent from the following:

(2) To perfect a stockholder's right to dissent to a transaction described in subsection (1) of this section, the stockholder must send or deliver a notice of dissent to the Oregon stock bank or Oregon trust company prior to or at the meeting of the stockholders at which the transaction is submitted to a vote, or the stockholder must vote against the transaction.

(3) A stockholder may not dissent as to less than all the shares registered in the name of the stockholder, except a stockholder holding, as a fiduciary or nominee, shares registered in the stockholder's name for the benefit of more than one beneficiary, may dissent as to less than all of the shares registered in the fiduciary or nominee's name if any dissent as to the shares held for a beneficiary is made as to all the shares held by the fiduciary for that beneficiary or nominee. The fiduciary's rights shall be determined as if the shares to which the fiduciary has dissented and the other shares are registered in the names of different stockholders.