 LANSING, Mich.--BUSINESS WIRE--Jackson Financial Inc.1 Jackson today announced that its Registration Statement on Form 10 has been declared effective by the Securities and Exchange Commission SEC. The Registration Statement on SEC Form 10 includes information regarding the business in connection with Jacksons previously announced separation from Prudential plc Prudential; NYSE: PUK, which will be effected through a demerger. The separation is expected to be completed September 13, su 