FINRA

Over-the-Counter-Equities

All issue symbols on the OTC Bulletin Board® are either four or five letters long. A fifth letter means the issue is something other than an issue of common or capital stock.

Listed below are the fifth letter identifiers and a description of what each represents:

Character Description
A Class A
B Class B
D New
E Delinquent in required SEC filings
F Foreign issues, except ADRs
G,H, & I Additional warrants or preferreds
J Voting
K Nonvoting
L Miscellaneous situations, such as stubs, depositary receipts, second units, or additional warrants or preferred
M Fourth preferred, same issuer
N Third preferred, same issuer
O Second preferred, same issuer
P First preferred issue
Q Bankruptcy - involved in bankruptcy proceedings
R Rights
S Shares of beneficial interest
U Units
V When-issued and when-distributed
W Warrants
Y ADR (American Depositary Receipts)
Z Miscellaneous situations, such as stubs, depositary receipts, limited partnership units, or additional warrants or units