Okla. Stat. tit. 12A, § 12A-1-9-206: Security interest arising in purchase or delivery of

financial asset.

SECURITY INTEREST ARISING IN PURCHASE

OR DELIVERY OF FINANCIAL ASSET

(a) A security interest in favor of a securities intermediary

attaches to a person’s security entitlement if:

(1) the person buys a financial asset through the securities

intermediary in a transaction in which the person is obligated to

pay the purchase price to the securities intermediary at the time of

the purchase; and

(2) the securities intermediary credits the financial asset to

the buyer’s securities account before the buyer pays the securities

intermediary.

(b) The security interest described in subsection (a) of this

section secures the person’s obligation to pay for the financial

asset.

(c) A security interest in favor of a person that delivers a

certificated security or other financial asset represented by a

writing attaches to the security or other financial asset if:

(1) the security or other financial asset:

(A) in the ordinary course of business is transferred by

delivery with any necessary endorsement or assignment;

and

(B) is delivered under an agreement between persons in the

business of dealing with such securities or financial

assets; and

(2) the agreement calls for delivery against payment.

(d) The security interest described in subsection (c) of this

section secures the obligation to make payment for the delivery.