PATHOGENESIS CORP

Annual Report for period ending 1997-12-31

Quarterly Report for period ending 1997-09-30

Quarterly Report for period ending 1997-06-30

Quarterly Report for period ending 1997-03-31

Annual Report for period ending 1996-12-31

Quarterly Report for period ending 1996-09-30

Annual Report with disclosure of delinquent filers

Annual report of employee stock purchase, savings and similar plans

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

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

WILPON FRED ET AL: Major Shareholders

MORGAN STANLEY DEAN WITTER & CO: Major Shareholders

PUTNAM INVESTMENTS INC: Major Shareholders

SCUDDER KEMPER INVESTMENTS INC: Major Shareholders

PRICE T ROWE ASSOCIATES INC /MD/: Major Shareholders

MORGAN STANLEY DEAN WITTER & CO: Major Shareholders

TEPPER MARVIN B: Major Shareholders

WILPON FRED ET AL: Major Shareholders

KATZ SAUL: Major Shareholders

WILPON FRED ET AL: Statement of changes in beneficial ownership of securities

TEPPER MARVIN B: Statement of changes in beneficial ownership of securities

WILPON FRED ET AL: Statement of changes in beneficial ownership of securities

WILPON FRED ET AL: Statement of changes in beneficial ownership of securities

TEPPER MARVIN B: Statement of changes in beneficial ownership of securities

WILPON FRED ET AL: Statement of changes in beneficial ownership of securities

TEPPER MARVIN B: Statement of changes in beneficial ownership of securities

CAPITAL RESEARCH & MANAGEMENT CO: Major Shareholders

CAPITAL RESEARCH & MANAGEMENT CO: Major Shareholders

CAPITAL GROUP COMPANIES INC ET AL: Major Shareholders

RAINIER INVESTMENT MANAGEMENT INC /ADV: Major Shareholders

SCUDDER KEMPER INVESTMENTS INC: Major Shareholders

CAPITAL GROUP COMPANIES INC ET AL: Major Shareholders

PRICE T ROWE ASSOCIATES INC /MD/: Major Shareholders

PRICE T ROWE ASSOCIATES INC /MD/: Major Shareholders

CAPITAL GROUP COMPANIES INC ET AL: Major Shareholders

SCUDDER STEVENS & CLARK INC: Major Shareholders

BAXTER INTERNATIONAL INC: Major Shareholders

Written communication relating to an issuer or third party tender offer

Written communication relating to an issuer or third party tender offer

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

Post-effective amendment to a S-8 registration statement

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

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

Post-effective amendment to a S-8 registration statement

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

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

A new registration statement filed under Rule 462(b) to add securities to a prior related effective registration statement filed on Form S-1

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

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