General Transaction Codes

P - Open market or private purchase of non-derivative or derivative security
S - Open market or private sale of non-derivative or derivative security
V - Transaction voluntarily reported earlier than required

Rule 16b-3 Transaction Codes

A - Grant, award or other acquisition pursuant to Rule 16b-3(d)
D - Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e)
F - Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3
I - Discretionary transaction in accordance with Rule 16b-3(f) resulting in acquisition or disposition of issuer securities
M - Exercise or conversion of derivative security exempted pursuant to Rule 16b-3

Derivative Securities Codes (Except for transactions exempted pursuant to Rule 16b-3)

C - Conversion of derivative security
E - Expiration of short derivative position
H - Expiration (or cancellation) of long derivative position with value received
O - Exercise of out-of-the-money derivative security
X - Exercise of in-the-money or at-the-money derivative security

Other Section 16(b) Exempt Transaction and Small Acquisition Codes (except for Rule 16b-3 codes above)

G - Bona fide gift
L - Small acquisition under Rule 16a-6
W - Acquisition or disposition by will or the laws of descent and distribution
Z - Deposit into or withdrawal from voting trust

Other Transaction Codes

J - Other acquisition or disposition (describe transaction)
K - Transaction in equity swap or instrument with similar characteristics
U - Disposition pursuant to a tender of shares in a change of control transaction