UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 Inhale Therapeutic Systems ------------------------------------------- (Name of Issuer) Common Stock, no par value ---------------------------------- (Title of Class of Securities) 457191104 ---------- (CUSIP Number) TERENCE J. GALLAGHER, ESQ. Pfizer Inc. 235 East 42nd Street New York, New York 10017-5755 (212) 573-2323 ------------------- (Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications) October 24, 1996 ------------------------- (Date of Event which Requires Filing of this Statement) If the filing person has previously filed a statement on Schedule 13G to report the acquisition which is the subject of this Schedule 13D, and is filing this schedule because of Rule 13d-1(b)(3) or (4), check the following box [ ]. Check the following box if a fee is being paid with the statement [ ]. 2 (A fee is not required only if the reporting person: (1) has a previous statement on file reporting beneficial ownership of more than five percent of the class of securities described in Item 1; and (2) has filed no amendment subsequent thereto reporting beneficial ownership of five percent or less of such class.) (See Rule 13d-7.) Note: Six copies of this statement, including all exhibits, should be filed with the Commission. See Rule 13d-1(a) for other parties to whom copies are to be sent. *The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page. The information required on the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes). CUSIP No.457191104 1. NAME OF REPORTING PERSON S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Pfizer Inc. Tax I.D. 13-5315170 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ] (b) [X] 3. SEC USE ONLY 4. SOURCE OF FUNDS* WC 5. CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e) [ ] 3 6. CITIZENSHIP OR PLACE OF ORGANIZATION Delaware NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH 7. SOLE VOTING POWER 725,552 8. SHARED VOTING POWER 9. SOLE DISPOSITIVE POWER 725,552 10. SHARED DISPOSITIVE POWER 11. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 725,552 12. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES* [ ] 13. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 6.1% 14. TYPE OF REPORTING PERSON* CO *SEE INSTRUCTIONS BEFORE FILLING OUT! Item 1. Security and Issuer. Title of Class of Securities: Common Stock, no par value 4 Name and Address of Issuer's Principal Executive Offices: Inhale Therapeutic Systems 1060 East Meadow Circle Palo Alto, California 94303 Item 2. Identity and Background. Name of Person Filing: Pfizer Inc. State of Incorporation: Delaware Principal Business: Manufacturer of pharmaceuticals and other health care products. Address of Principal Office: 235 East 42nd Street New York, New York 10017 For information required by this Item 2 of Schedule 13D with respect to the executive officers and directors of Pfizer Inc., reference is made to Attachment A to this Schedule 13D, which is incorporated herein by reference. Neither Pfizer Inc., nor to its best knowledge, any of the persons named on Attachment A attached hereto, has during the last five years: (i) been convicted in a criminal proceeding (excluding traffic violations or similar misdemeanors); or (ii) been a party to a civil proceeding of a judicial or administrative body of competent jurisdiction and as a result of such proceeding was or is subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws. Item 3. Source and Amount of Funds or Other Consideration: The source of funds to buy the securities reported herein was working capital. Pfizer Inc. paid $5,000,000 on October 24, 1996 for 272,456 shares of the securities reported herein. These shares were in 5 addition to 453,096 shares purchased for $5,000,000 on February 28, 1995. Both of these purchases were made pursuant to the Stock Purchase Agreement between the Issuer and Pfizer Inc., dated January 18, 1995, which is incorporated herein by reference to Exhibit I to this Schedule 13D. Under the Agreement, Pfizer is barred from either acquiring additional shares or selling any of the shares it currently holds until January 18, 2000, unless Pfizer Inc. obtains the Issuer's consent or in the event of a third party tender offer for 33% or more of the Issuer's outstanding stock. Under certain circumstances, a sale of the shares by Pfizer Inc. is subject to the Issuer's right of first refusal. Pfizer Inc. may request the registration of the shares by the Issuer beginning January 18, 2000, if the Issuer registers any of its Common Stock in connection with a public offering. Item 4. Purpose of Transaction: The reporting person has acquired these securities for investment purposes. Item 5. Interest in Securities of the Issuer. As of October 24, 1996, Pfizer Inc. became the owner of a total of 725,552 shares of Common Stock and, as a result, holds approximately 6.1% of the outstanding Common Stock. (a) Except as set forth herein, neither Pfizer Inc. nor, to its best knowledge, any of the persons named on Attachment A attached hereto, beneficially owns any Common Stock. (b) Pfizer Inc. has the sole power to vote all of the Common Stock it beneficially owns. (c) Except as set forth herein, no transactions were effected in Common Stock during the past sixty (60) days by Pfizer Inc. nor, to the best of its knowledge, any person listed in Attachment A attached hereto that would require disclosure pursuant to Item 5(c). 6 (d) Neither Pfizer Inc. nor, to its best knowledge, any of the persons named on Attachment A attached hereto, has or knows of any other person who has the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, any Common Stock beneficially owned by Pfizer Inc. (e) Not applicable. Item 6. Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer: None except as referred to or described herein. Item 7. Material to be Filed as Exhibits: Attachment A Information concerning Executive Officers and Directors of Pfizer Inc. Exhibit I Stock Purchase Agreement between the Issuer and Pfizer Inc., dated January 18, 1995 (incorporated by reference to Exhibit 4.9 of the Issuer's Form S-1, Registration No. 33-89502) SIGNATURE --------- After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. DATE: November 4, 1996 PFIZER INC. By: /s/ Eileen R. Walton -------------------------- Name: Eileen R. Walton Title: Assistant Secretary 7 Attachment A Executive Officers and Directors of Pfizer Inc. ----------------------------------------------- The names and titles of the executive officers and the names of the directors of Pfizer Inc. and their business addresses and principal occupations are set forth below. If no address is given, the director's or executive officer's business address is that of Pfizer Inc. Unless otherwise indicated, each occupation set forth opposite an individuals name refers to Pfizer Inc. and each individual is a United States citizen. Executive Officers Position; Principal Occupation ------------------ ------------------------------ Brian W. Barrett Vice President; President - Animal Health Group M. Kenneth Bowler Vice President, Federal Government Relations C. L. Clemente Senior Vice President, Corporate Affairs; Secretary and Corporate Counsel Bruce R. Ellig Vice President, Employee Resources Donald F. Farley Vice President; President, Consumer Health Care Group George A. Forcier Vice President, Quality Control P. Nigel Gray Vice President; President-Hospital Products Group Gary N. Jortner Vice President; Group Vice President - U.S. Pharmaceuticals Group 8 Karen L. Katen Vice President; President - U.S. Pharmaceuticals Group J. Patrick Kelly Vice President; Group Vice President Disease Management - U.S. Pharmaceuticals Group Alan G. Levin Treasurer Henry A. McKinnell Executive Vice President Brower A. Merriam Vice President - Animal Health Policy Victor P. Micati Vice President; Executive Vice President - International Pharmaceuticals Group Paul S. Miller Senior Vice President; General Counsel George M. Milne, Jr. Vice President; President, Central Research Robert Neimeth Executive Vice President; President, International Pharmaceuticals Group John F. Niblack Executive Vice President, Research & Development William J. Robison Senior Vice President - Employee Resources Herbert V. Ryan Controller Craig Saxton Vice President; Executive Vice President, Central Research David L. Shedlarz Vice President - Finance, and Chief Financial Officer Mohand Sidi Said Vice President; President, Asia/Africa/Middle East - International Pharmaceuticals Group 9 William C. Steere, Jr. Chairman of the Board and Chief Executive Officer Frederick Telling Vice President, Corporate Strategic Planning and Policy Directors Position; Principal Occupation --------- ------------------------------ Michael S. Brown Paul J. Thomas Professor of Genetics University of Texas Southwestern Medical Center 5323 Harry Hines Blvd. Room L5-238 Dallas, TX 75235-9046 (public university) M. Anthony Burns Chairman, President & Chief Executive Officer Ryder System, Inc. 3600 Northwest 82nd Avenue Miami, FL 33166 (provider of transportation and logistics services) Grace J. Fippinger Former Vice President, Secretary & Treasurer NYNEX Corporation Pfizer Inc. 235 East 42nd Street New York, NY 10017 George B. Harvey Chairman of the Board Pitney Bowes One Elmcroft Road Stamford, CT 06926-0700 (provider of mailing and office systems and management and financial services) Constance J. Horner Guest Scholar The Brookings Institution 10 1775 Massachusetts Avenue, N.W. Washington, DC 20036 (an organization devoted to nonpartisan research, education and publication in economics, government and foreign policy and the social sciences) Stanley O. Ikenberry President Emeritus University of Illinois 1007 West Nevada Urbana, IL 61801 Harry P. Kamen Chairman, President & Chief Executive Officer Metropolitan Life Insurance Co. One Madison Avenue New York, NY 10010 (a life insurance company) Thomas G. Labrecque Chairman & Chief Operating Officer The Chase Manhattan Corp. 270 Park Avenue, 8th Floor New York, NY 10017 (a bank holding company) James T. Lynn Senior Adviser - Lazard Freres & Co. LLC 30 Rockefeller Plaza, 61st Floor New York, New York 10020 (investment bankers) Edmund T. Pratt Jr. Chairman Emeritus Pfizer Inc. 235 East 42nd Street New York, NY 10017 Felix G. Rohatyn Managing Director - Lazard Freres & Co. LLC 30 Rockefeller Plaza New York, NY 10020 (investment bankers) 11 William C. Steere, Jr. Listed above Jean-Paul Valles Chairman of the Board & Chief Executive Officer Minerals Technologies, Inc. 405 Lexington Avenue New York, NY 10174-1901 (a resource and technology-based company that develops, produces and markets specialty mineral, mineral- based and synthetic mineral products)