Prepared by MERRILL CORPORATION

-----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, AYl9q7lInqejHRC5aWuO3aztwLSMdNz7wFx9DQLPfvLF6Ns+Q73CpuQgHtfFlpr4 rPOW9xc4m8TQqfwiuah3wg== 0000912057-02-005838.txt : 20020414 0000912057-02-005838.hdr.sgml : 20020414 ACCESSION NUMBER: 0000912057-02-005838 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20020214 GROUP MEMBERS: BROOK H. BYERS GROUP MEMBERS: KPCB VII ASSOCIATES, LP SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: ARGONAUT TECHNOLOGIES INC CENTRAL INDEX KEY: 0001112880 STANDARD INDUSTRIAL CLASSIFICATION: IN VITRO & IN VIVO DIAGNOSTIC SUBSTANCES [2835] IRS NUMBER: 943216714 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-59547 FILM NUMBER: 02543572 BUSINESS ADDRESS: STREET 1: 1101 CHESS DRIVE STREET 2: . CITY: FOSTER CITY STATE: CA ZIP: 94598 BUSINESS PHONE: 650-655-4300 MAIL ADDRESS: STREET 1: 1101 CHESS DRIVE STREET 2: . CITY: FOSTER CITY STATE: CA ZIP: 94598 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: KLEINER PERKINS CAUFIELD & BYERS VII L P CENTRAL INDEX KEY: 0000925224 STANDARD INDUSTRIAL CLASSIFICATION: INVESTORS, NEC [6799] IRS NUMBER: 943201863 STATE OF INCORPORATION: CA FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: 2750 SAND HILL ROAD CITY: MENLO PARK STATE: CA ZIP: 94025 BUSINESS PHONE: 4152332750 MAIL ADDRESS: STREET 1: 2750 SAND HILL ROAD CITY: MENLO PARK STATE: CA ZIP: 94025 SC 13G/A 1 a2070072zsc13ga.htm SC 13G/A Prepared by MERRILL CORPORATION
QuickLinks -- Click here to rapidly navigate through this document

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549

SCHEDULE 13G

Under the Securities Exchange Act of 1934
(Amendment No. 1)¹

Argonaut Technologies, Inc.

(Name of Issuer)
Common Stock

(Title of Class of Securities)
		040175101
		(CUSIP Number)
December 31, 2001

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

/ / Rule 13d-1(b)

/ / Rule 13d-1(c)

/x/ Rule 13d-1(d)

¹The 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 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).

CUSIP NO. 040175101



1	NAME OF REPORTING PERSONS S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS
	Kleiner Perkins Caufield & Byers VII, L.P., a California limited partnership ("KPCB VII") 94-3201863

2	CHECK THE APPROPRIATE BOX IF A	(a)	/ /
	MEMBER OF A GROUP	(b)	/x/


3	SEC USE ONLY


4	CITIZENSHIP OR PLACE OF ORGANIZATION
	California limited partnership

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER
			0

		6	SHARED VOTING POWER
			1,104,585

		7	SOLE DISPOSITIVE POWER
			0

		8	SHARED DISPOSITIVE POWER
			1,104,585

9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	1,104,585

10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
	/ /

11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
	5.7%

12	TYPE OF REPORTING PERSON
	PN

CUSIP NO. 040175101



1	NAME OF REPORTING PERSONS S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS
	KPCB VII Associates, L.P., a California limited partnership ("KPCB VII Associates") 94-3203783

2	CHECK THE APPROPRIATE BOX IF A	(a)	/ /
	MEMBER OF A GROUP	(b)	/x/


3	SEC USE ONLY


4	CITIZENSHIP OR PLACE OF ORGANIZATION
	California limited partnership

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER
			0

		6	SHARED VOTING POWER
			1,104,585 shares directly held by KPCB VII. KPCB VII Associates is the general partner of KPCB VII.

		7	SOLE DISPOSITIVE POWER
			0

		8	SHARED DISPOSITIVE POWER
			1,104,585 shares directly held by KPCB VII. KPCB VII Associates is the general partner of KPCB VII.

9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	1,104,585

10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
	/ /

11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
	5.7%

12	TYPE OF REPORTING PERSON
	PN

CUSIP NO. 040175101



1	NAME OF REPORTING PERSONS S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS
	Brook H. Byers

2	CHECK THE APPROPRIATE BOX IF A	(a)	/ /
	MEMBER OF A GROUP	(b)	/x/


3	SEC USE ONLY


4	CITIZENSHIP OR PLACE OF ORGANIZATION
	United States

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER
			60,544 shares are held directly, and 31,253 shares are held by trusts of which Mr. Byers is the trustee. Mr. Byers disclaims beneficial ownership of the shares held by the trusts.

		6	SHARED VOTING POWER
			1,104,585 shares held directly by KPCB VII. Mr. Byers disclaims beneficial ownership of the shares held directly by KPCB VII.

		7	SOLE DISPOSITIVE POWER
			60,544 shares are held directly, and 31,253 shares are held by trusts of which Mr. Byers is the trustee. Mr. Byers disclaims beneficial ownership of the shares held by the trusts.

		8	SHARED DISPOSITIVE POWER
			1,104,585 shares held directly by KPCB VII. Mr. Byers disclaims beneficial ownership of the shares held directly by KPCB VII.

9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	1,196,382

10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
	/ /

11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
	6.2%

12	TYPE OF REPORTING PERSON
	IN

Item 1

(a)		Name of Issuer:
		Argonaut Technologies, Inc.

(b)		Address of Issuer's Principal Executive Offices:
		1101 Chess Drive Foster City, CA 94404

Item 2

(a)		Name of Person Filing:
		Kleiner Perkins Caufield & Byers VII, L.P., a California limited partnership KPCB VII Associates, L.P., a California limited partnership Brook H. Byers.

(b)		Address of Principal Business Office:
		c/o Kleiner Perkins Caufield & Byers 2750 Sand Hill Road, Menlo Park, California 94025

(c)		Citizenship:
		The entities listed in 2(a) are California limited partnerships. The individual listed in 2(a) is a United States citizen.

(d)		Title of Class of Securities:
		Common Stock

(e)		CUSIP Number:
		040175101

Item 3. If this statement is filed pursuant to Rules 13d-1(b) or 13d-2(b), check whether the person filing is a:

Not Applicable

Item 4. Ownership.

See rows 5-11 of cover sheets hereto.

Item 5. Ownership of Five Percent or Less of a Class.

Not Applicable.

Item 6. Ownership of More than Five Percent on Behalf of Another Person.

Under certain circumstances set forth in the limited partnership agreements of KPCB VII, the general and limited partners of such entities may have the right to receive dividends on, or the proceeds from the sale of the securities of Argonaut Technologies, Inc. held by such entity. No such partner's rights relate to more than five percent of the class.

Item 7. Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company.

Not Applicable

Item 8. Identification and Classification of Members of the Group.

Not Applicable

Item 9. Notice of Dissolution of Group.

Not Applicable

Item 10. Certification.

Not Applicable

SIGNATURES

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: February 14, 2002

BROOK H. BYERS		KPCB VII ASSOCIATES, L.P., A CALIFORNIA LIMITED PARTNERSHIP
Signature:	/s/ BROOK H. BYERS	Signature:	/s/ BROOK H. BYERS
	Brook H. Byers		Brook H. Byers A General Partner
		KLEINER PERKINS CAUFIELD & BYERS VII, L.P., A CALIFORNIA LIMITED PARTNERSHIP
		By: KPCB VIII Associates, L.P., a California Limited Partnership, its General Partner
		Signature:	/s/ BROOK H. BYERS
			Brook H. Byers A General Partner

EXHIBIT A

Agreement of Joint Filing

The undersigned hereby agree that they are filing jointly pursuant to Rule 13d-1 of the Act the statement dated February 14, 2002, containing the information required by Schedule 13G, for the securites of Argonaut Technologies, Inc., held by Kleiner Perkins Caufield & Byers VII, L.P., a California limited partnership, and with respect to the general partner, such other holdings as may be reported therein.

Date: February 14, 2002

BROOK H. BYERS		KPCB VII ASSOCIATES, L.P., A CALIFORNIA LIMITED PARTNERSHIP
Signature:	/s/ BROOK H. BYERS	Signature:	/s/ BROOK H. BYERS
	Brook H. Byers		Brook H. Byers A General Partner
		KLEINER PERKINS CAUFIELD & BYERS VII, L.P., A CALIFORNIA LIMITED PARTNERSHIP
		By: KPCB VII Associates, L.P., a California Limited Partnership, its General Partner
		Signature:	/s/ BROOK H. BYERS
			Brook H. Byers A General Partner

QuickLinks

SIGNATURES
EXHIBIT A Agreement of Joint Filing
-----END PRIVACY-ENHANCED MESSAGE-----