yup... believe this is html version of the NASD Notice to Members 00-54, wherein FINRA's predecessor spells out the trap of selling before ex-date... <a href="http://www.finra.org/web/groups/rules_regs/documents/notice_to_members/p003997.pdf" target="_blank">http://www.finra.org/web/groups/rules_regs/documents/notice_to_members/p003997.pdf</a>