4 1 e51518e4.txt FORM 4 1 ------------------------------------ --------------------------------------- FORM 4 OMB APPROVAL ------------------------------------ --------------------------------------- [X] CHECK THIS BOX IF NO LONGER OMB NUMBER: 3235-0287 SUBJECT TO SECTION 16. FORM 4 Expires: December 31, 2001 OR FORM 5 OBLIGATIONS MAY Estimate average burden CONTINUE. SEE INSTRUCTION 1(b). hours per response.................0.5 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(f) of the Investment Company Act of 1940 (Print or Type Responses) ________________________________________________________________________________ 1. Name and Address of Reporting Person* Merck & Co., Inc. -------------------------------------------------------------------------------- (Last) (First) (Middle) One Merck Drive -------------------------------------------------------------------------------- (Street) Whitehouse Station NJ 08889 -------------------------------------------------------------------------------- (City) (State) (Zip) ________________________________________________________________________________ 2. Issuer Name and Ticker or Trading Symbol Rosetta Inpharmatics, Inc. (Symbol NASDAQ: RSTA) ________________________________________________________________________________ 3. IRS Identification Number of Reporting Person, if an entity (voluntary) ________________________________________________________________________________ 4. Statement for Month/Year July 2001 ________________________________________________________________________________ 5. If Amendment, Date of Original (Month/Year) ________________________________________________________________________________ 6. Relationship of Reporting Person(s) to Issuer (Check all applicable) [_] Director [X] 10% Owner [_] Officer (give title below) [_] Other (Specify below) See attached (1) ________________________________________________________________________________ 7. Individual or Joint/Group Filing (Check Applicable Line) [X] Form filed by One Reporting Person [_] Form filed by More than One Reporting Person ________________________________________________________________________________ ================================================================================ TABLE I -- NON-DERIVATIVE SECURITIES ACQUIRED, DISPOSED OF, OR BENEFICIALLY OWNED ================================================================================

~~--------~~6. ~~UNITED STATES SECURITIES AND EXCHANGE COMMISSION ----------------------------- FORM~~ 4. ~~WASHINGTON, D~~5.C. ~~20549 OMB APPROVAL~~ Owner-~~-------~~ ~~-----------------------------~~Securities /Acquired /(A) ~~CHECK~~or ~~THIS~~Amount ~~BOX~~of IFship ~~NO STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OMB NUMBER: 3235-0287 LONGER SUBJECT TO EXPIRES: SEPTEMBER 30, 1998 SECTION 16~~3. ~~FORM~~Disposed 4of ~~OR Filed pursuant to Section 16~~(aD) ~~of the~~ Securities ~~Exchange~~Form: ~~Act~~7. ofTransaction ~~1934~~(Instr. 3, ~~ESTIMATED~~4 ~~AVERAGE~~and ~~BURDEN FORM~~ 5 ~~OBLIGATIONS MAY Section 17(a~~) ofBeneficially ~~the~~Direct ~~Public~~Nature ~~Utility Holding Company Act~~ of ~~1935 or HOURS PER RESPONSE~~ 2.~~...~~ ~~0.5~~Code ~~CONTINUE. SEE Section 30(f) of the Investment Company Act of 1940~~ ------------------------------- ~~INSTRUCTION~~Owned 1at End (bD) or Indirect 1. Transaction (~~Print~~Instr. or8) ~~Type Responses~~(A) of Month Indirect Beneficial Title of Security Date ------------~~------------------------------------------------------------------------------------------------------------------------~~ 1.Amount ~~Name~~or ~~and~~Price ~~Address of Reporting Person* 2~~(Instr. ~~Issuer~~3 ~~Name~~(I) ~~AND~~Ownership ~~Ticker or Trading Symbol 6~~(Instr. ~~Relationship~~3) ~~of Reporting Person~~(sMonth/Day/Year) toCode ~~Issuer~~V (~~Check~~D) ~~all~~and ~~applicable~~4) ~~x Director 10% Owner Buffington William ROSXETTA INPHARMACTICS, INC~~(Instr.4) (~~RSTA~~Instr. 4) ---- ---- --------------------------------------------------------------------------------------------- ~~Officer (give Other (Last) (First) (Middle) 3. IRS or Social Security 4. Statement for~~ ---- ~~title~~ ---- ~~(specify Number of Reporting Month/Year below) below c/o Agilent Technologies, Inc. Person (Voluntary)~~ ----------------- ------ ------------ ~~395 PAGE MILL ROAD, M/S A3~~-18 -------------------------------------------- --------------------- ~~7. Individual or Joint/Group Filing (Street) 5. If Amendment, (Check Applicable Line) Date of Original X Form filed by One Reporting Person (Month/Year)~~ --- ~~Form filed by More than One~~ ---~~Reporting Person~~ ------------------------------------------------ ------------------------------------------------------------------------------------ ~~(City) (State) (Zip) TABLE I~~ - ~~NON~~-~~DERIVATIVE SECURITIES ACQUIRED, DISPOSED OF, OR BENEFICIALLY OWNED~~ ---------------------------------------------- -------------------------------------------------------------------------------------- ~~1. Title of Security 2. Trans~~- ~~3. Trans~~- ~~4. Securities Acquired (A) 5. Amount of 6. Owner~~- ~~7. Nature (Instr. 3) action action or Disposed of (D) Securities ship of In~~- ~~Date Code (Instr. 3, 4 and 5) Beneficially Form: direct (Instr. 8) Owned at Direct Bene~~- ~~(Month/ End of (D) or ficial Day/~~ ------------------------------------------- ~~Month Indirect Owner~~- ~~Year) (A) or (I) ship Code V Amount (D) Price (Instr. 3 (Instr. 4) (Instr. 4) and 4)~~ ------------------------------------------------------------------------------------------------------------------------------------ ~~COMMON STOCK 8/8/00 C 2,285,714 A 2,285,714 I Agilent Technologies, Inc.~~ ------------------------------------------------------------------------------------------------------------------------------------ ~~COMMON STOCK 8/8/00 C 459,792 A 459,792 I Agilent Technologies, Inc.~~ ------------------------------------------------------------------------------------------------------------------------------------ ~~COMMON STOCK 8/8/00 X 714,285 A $14.00 714,285 (1) I Agilent Technologies, Inc.~~ ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ (1) On August 2, 2000, the reporting person filed a form 3 reporting to purchase 909,090 shares of common stock at the anticipated $11.00 per share at the initial public offering price. As of August 8, 2000, the reporting person purchased 714,285 shares of common stock at $14.00 per share. ------------------------------------------------------------------------------------------------------------------------------------ Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. (Over) * If the form is filed by more than one reporting person, SEE Instruction 4(b)(v). SEC 1474 (7-97) POTENTIAL PERSONS WHO ARE TO RESPOND TO THE COLLECTION OF INFORMATION CONTAINED IN THIS FORM ARE NOT REQUIRED TO RESPOND UNLESS THE FORM DISPLAYS A CURRENTLY VALID OMB CONTROL NUMBER.====================================================================================================================================

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. * If the Form is filed by more than one reporting person, see Instruction 4(b)(v). POTENTIAL PERSONS WHO ARE TO RESPOND TO THE COLLECTION OF INFORMATION CONTAINED IN THIS FORM ARE NOT REQUIRED TO RESPOND UNLESS THE FORM DISPLAYS A CURRENTLY VALID OMB CONTROL NUMBER. (Over) SEC 1474 (3-99) 1 of 3 2 FORM 4 (CONTINUED) TABLE II -- DERIVATIVE SECURITIES ACQUIRED, DISPOSED OF, OR BENEFICIALLY OWNED (E.G., PUTS, CALLS, WARRANTS, OPTIONS, CONVERTIBLE SECURITIES) ================================================================================

~~FORM~~10. 49. ~~(CONTINUED)~~Owner- ~~TABLE~~Number IIship -of ~~DERIVATIVE~~Form ~~SECURITIES~~2. ~~ACQUIRED,~~Deriv- ~~DISPOSED~~of ~~OF,~~Conver- OR5. ~~BENEFICIALLY~~7. ~~OWNED~~ative (EDeriv- 11.~~G.,~~ ~~PUTS,~~sion ~~CALLS,~~Number ~~WARRANTS,~~of ~~OPTIONS,~~Title ~~CONVERTIBLE~~and ~~SECURITIES)~~Amount Secur-~~-----------------------------------------------------------------------------------------------------------------------~~ 1.ative ~~Title~~Nature ofor Derivative ~~Security~~6. 2of Underlying 8. ~~Conver~~ities Secur- 3.of ~~Trans~~Exer- 4. ~~Transac-~~Securities 5.Date ~~Number~~Securities ofPrice ~~Deriv~~Bene- 6.ity: ~~Date~~In- ~~Exer~~cise 3. Trans- Acquired (A) Exercisable and (Instr. 3) ~~sion~~and or4) ~~action~~of ~~tion~~ficially ~~Code~~Direct ~~ative~~direct ~~Securities~~Price AcTrans- ~~cisable~~action ~~and~~or ~~Ex-~~Disposed ~~Exercise~~Expiration Date ~~(Instr.~~---------------- 8)Deriv- ~~quired~~Owned (AD) or ~~Dis~~Bene- ~~piration~~1. ~~Date Price~~ of ~~(Month/~~action ~~posed~~Code of (D) (Month/Day/Year) ~~Deriv-~~Amount ~~Day/~~ative ~~(Instr.~~at 3,End 4,In- ~~and~~ficial 5)Title ~~Year)~~of ~~ative~~Deriv- ~~Year)~~Date ~~Security~~(Instr. (Instr. 3, ---------------- or Secur- of direct Owner--- Derivative ative (Month/ 8) 4, and 5) Date Expira- Number ity Month (I) ship Security Secur- Day/ ------ ------------~~-------------------~~ Exer- tion ~~cisable~~of ~~Date~~(Instr. (Instr. (Instr. (Instr. (Instr. 3) ity Year) Code V (A) (D) cisable Date Title Shares 5) 4) 4) 4) ------------------------------------------------------------------------------------------------------------------------ ~~SERIES D PREFERRED STOCK 11 8/8/00 C 2,285,714 Immed.~~ ------------ Option 07/19 J See See See Com- See See 0 D N/A (contingent /2001 att- att- att mon att- att-~~-------------------------------------------------------------------------------------------------------~~ ~~SERIES~~right Dto ~~PREFERRED~~buy) ~~STOCK~~ached 11ached ~~8/8/00~~ached CStock ~~458m682~~ached ~~Immed.~~ached (see attached) ------------------------------------------------------------------------------------------------------------------------ ------------~~------------------------------------------------------------------------------------------------------------~~ ------------------------------------------------------------------------------------------------------------------------ ------------~~------------------------------------------------------------------------------------------------------------~~ ------------------------------------------------------------------------------------------------------------------------ ------------~~------------------------------------------------------------------------------------------------------------~~ ------------------------------------------------------------------------------------------------------------------------ ------------~~------------------------------------------------------------------------------------------------------------~~ ------------------------------------------------------------------------------------------------------------------------ ------------~~------------------------------------------------------------------------------~~ ~~7. Title and Amount of Under~~- ~~8. Price 9. Number 10. Owner~~- ~~11. Nature lying Securities of of Deriv~~- ~~ship of In~~- ~~(Instr. 3 and 4) Deriv~~- ~~ative Form direct ative Securi~~- ~~of De~~- ~~Bene~~- ~~Secur~~- ~~ties rivative ficial ity Bene~~- ~~Secu~~- ~~Own~~- ~~(Instr. ficially rity: ership 5) Owned Direct (Instr. 4) at End (D) or Amount or of Indi~~- ~~Title Number of Month rect (I) Shares (Instr. 4) (Instr. 4)~~ ------------------------------------------------------------------------------------------ -----------------------------~~-------------------------------------------------------------~~ ------------------------------------------------------------------------------------------ ------------------------------------------~~------------------------------------------------~~ ------------------------------------------------------------------------------------------ ------------------------------------------~~------------------------------------------------~~ ------------------------------------------------------------------------------------------ ------------------------------------------~~------------------------------------------------~~ ------------------------------------------------------------------------------------------ ------------------------------------------~~------------------------------------------------~~ ------------------------------------------------------------------------------------------ ~~Explanation of Responses:~~ ----------------------------------- -------~~----~~ **Intentional misstatements or omissions of facts constitute **Signature of Reporting Person Date Federal Criminal Violations. SEE 18 U.S.C. 1001 and 15 U.S.C. 78ff(a). Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, SEE Instruction 6 for procedure. Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number. Page 2 SEC 1474 (7-97)====================================================================================================================================

Explanation of Responses: See attached. ** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a). Note: File three copies of this Form, one of which must be manually signed. If space provided is insufficient, see Instruction 6 for procedures. Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number. /s/ Celia A. Colbert July 20, 2001 --------------------------------------------- ----------------------- **Signature of Reporting Person Date CELIA A. COLBERT VICE PRESIDENT, ASSISTANT GENERAL COUNSEL, ON BEHALF OF MERCK & CO., INC. 2 of 3 3 Item 1: Merck & Co., Inc. Item 2: Rosetta Inpharmatics, Inc. (Symbol NASDAQ: RSTA) Item 4: July 2001 EXPLANATION OF RESPONSES This Statement of Changes in Beneficial Ownership on Form 4 (this "Form 4") is being filed by Merck & Co., Inc., a New Jersey corporation ("Merck"). As previously reported on an Initial Statement of Beneficial Ownership on Form 3, filed with the Securities and Exchange Commission (the "Commission") on May 21, 2001, Merck, Rosetta Inpharmatics, Inc., a Delaware corporation (the "Issuer") and Coho Acquisition Corp., a Delaware corporation, a wholly-owned subsidiary of Merck ("Merger Sub"), entered into an Agreement and Plan of Merger dated as of May 10, 2001 (the "Merger Agreement") providing for, among other things, the merger of Merger Sub with the Issuer (the "Merger"). In connection with the Merger Agreement, the Issuer and certain stockholders of Issuer (collectively, the "Stockholders") entered into simultaneous Voting and Stock Option Agreements, dated as of May 10, 2001 (the "Voting Agreements"), pursuant to which each of the Stockholders, among other things, (i) agreed to vote all of their shares in favor of the Merger Agreement, (ii) granted Merck an irrevocable proxy to vote his or her shares in favor of the Merger Agreement and the Merger, and (iii) agreed to grant Merck an option ("Option") to purchase the shares of common stock beneficially owned by the Stockholders as of May 10, 2001 and any shares owned or acquired by such Stockholder after that date, contingent upon termination of the Merger Agreement. As of the date of the Voting Agreements, 9,631,035 outstanding shares of Issuer common stock, par value $0.001 per share (the "Common Stock"), were subject to the Option. In addition, the Stockholders collectively held options to acquire an additional 974,833 shares of Common Stock as of May 10, 2001. On July 19, 2001 (the "Effective Time"), the Merger was consummated and, pursuant to the Merger Agreement, each share of the Issuer's Common Stock issued and outstanding immediately prior to the Effective Time ceased to exist and (other than those shares held in the treasury of Issuer or shares that were owned by Issuer, Merck or Merger Sub) were converted into a right to receive 0.2352 shares of Merck common stock, par value $0.01. As a result, as of the Effective Time, each of the Voting Agreements, including the contingent Option, terminated according to its terms. Following the Merger, the Common Stock was delisted from the Nasdaq National Market and the Issuer filed a Form 15 with the Commission suspending the Issuer's duty to file reports under Sections 13 and 15(d) of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), and seeking to deregister the Common Stock under the Exchange Act. 3 of 3

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