-----BEGIN PRIVACY-ENHANCED MESSAGE----- Proc-Type: 2001,MIC-CLEAR Originator-Name: webmaster@www.sec.gov Originator-Key-Asymmetric: MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB MIC-Info: RSA-MD5,RSA, QsTnJ4splcOAlGwnFFcNEBQZltNTYk+7BqYmIJxLaPdEihC9DfLVVhEbRaRKP4z0 KyLZIbbgROSbrmpn8PMtpQ== 0000912057-02-038008.txt : 20021008 0000912057-02-038008.hdr.sgml : 20021008 20021008160505 ACCESSION NUMBER: 0000912057-02-038008 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20021008 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: SEPRACOR INC /DE/ CENTRAL INDEX KEY: 0000877357 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] IRS NUMBER: 222536587 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-42223 FILM NUMBER: 02784211 BUSINESS ADDRESS: STREET 1: 111 LOCKE DR CITY: MARLBOROUGH STATE: MA ZIP: 01757 BUSINESS PHONE: 5084816700 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: PRIMECAP MANAGEMENT CO/CA/ CENTRAL INDEX KEY: 0000763212 IRS NUMBER: 953868081 FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: 225 SOUTH LAKE AVE STE 400 CITY: PASADENA STATE: CA ZIP: 91101-3005 BUSINESS PHONE: 8183049222 MAIL ADDRESS: STREET 1: 225 SOUTH LAKE AVE SUITE 400 CITY: PASADENA STATE: CA ZIP: 91101 SC 13G/A 1 a2090820zsc13ga.htm 13G/A
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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

Under the Securities Exchange Act of 1934

(Amendment No. 1)*

SEPRACOR INC.

(Name of Issuer)
Common

(Title of Class of Securities)
		817315104
		(CUSIP Number)

Check the following box if a fee is being paid with this statement o. (A fee is not required only if the filing 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).

*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 the disclosures provided in a prior cover page.

The information required in 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).

Page 1 of 3 pages

13G

CUSIP No. 817315104


1.		NAME OF REPORTING PERSON S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
		PRIMECAP Management Company
		95-3868081

2.		CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
		(a) o
		(b) o

3.		SEC USE ONLY

4.		CITIZENSHIP OR PLACE OF ORGANIZATION
		225 South Lake Avenue #400, Pasadena, CA 91101

NUMBER OF	5.	SOLE VOTING POWER
		1,823,846
SHARES
BENEFICIALLY	6.	SHARED VOTING POWER
		-0-
OWNED BY EACH
REPORTING	7.	SOLE DISPOSITIVE POWER
		7,180,846
PERSON WITH
	8.	SHARED DISPOSITIVE POWER
		-0-

9.		AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 7,180,846

10.		CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

11.		PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
		8.54%

12.		Type of Reporting Person*
		IA

*SEE INSTRUCTION BEFORE FILLING OUT!
Page 2 of 3 pages

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.

		September 30, 2002 Date
		/s/ THEO A. KOLOKOTRONES Signature
		Theo A. Kolokotrones, President Name/Title

Page 3 of 3 pages

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SIGNATURE
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