PROGENITOR INC

Notice under Rule 12b25 of inability to timely file all or part of a Form 10-K, 10-KSB, or 10-KT for period ending 1998-09-30

Quarterly Report for period ending 1998-06-30

Quarterly Report for period ending 1998-03-31

Quarterly Report for period ending 1997-12-31

Annual Report for period ending 1997-09-30

Quarterly Report for period ending 1997-06-30

None

Form for registration of a class of securities pursuant to Section 12(g)

NATIONSBANK CORP/FA: Major Shareholders

NATIONSBANK CORP/FA: Major Shareholders

BANKAMERICA CORP: Major Shareholders

RELIANCE FINANCIAL SERVICES CORP: Major Shareholders

INTERNEURON PHARMACEUTICALS INC: Major Shareholders

BANKAMERICA CORP: Major Shareholders

AMGEN INC: Major Shareholders

OAK MANAGEMENT CORP: Major Shareholders

INTERWEST PARTNERS V LP: Major Shareholders

Initial registration statement for securities to be offered to employees pursuant to employee benefit plans

Initial registration statement for securities to be offered to employees pursuant to employee benefit plans

Initial registration statement for securities to be offered to employees pursuant to employee benefit plans

Prospectus filed pursuant to Rule 424(b)(4)

Initial registration statement for securities to be offered to employees pursuant to employee benefit plans

Post-effective amendment to a S-4EF registration statement

General form of registration statement for all companies including face-amount certificate companies

General form of registration statement for all companies including face-amount certificate companies

Registration of securities issued in business combination transactions

General form of registration statement for all companies including face-amount certificate companies

Definitive proxy statements