FORM 4 OMB APPROVAL
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[X] Check this box if no longer subject to Section OMB Number: 3235-0287
16. Form 4 or Form 5 obligations may Expires: December 31, 2001
continue. See Instruction 1(b). Estimated average burden
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
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1. Name and Address of Reporting Person* 2. Issuer Name and Ticker or Trading Symbol 6. Relationship of Reporting Person(s) to
Issuer (Check all applicable)
Feinberg, Larry N. Quidel Corporation ("QDEL")
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(Last) (First) (Middle) 3. IRS or Social 4. Statement for [ ] Director [X] 10% Owner
Security Number Month/Year [ ] Officer (give [ ] Other (specify
of Reporting title below) below)
c/o Oracle Associates, LLC Person July, 2001
200 Greenwich Avenue, 3rd Floor (Voluntary)
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(Street) 5. If Amendment, Date of 7. Individual or Joint/Group Filing
Original (Month/Year) (Check Applicable Line)
[X] Form filed by One Reporting Person
[ ] Form filed by More than One Reporting
Greenwich, CT 06830 Person
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(City) (State) (Zip)
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Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
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1. Title of Security (Instr. 3) 2. Trans- 3. Trans- 4. Securities Acquired (A) 5. Amount of 6. Owner- 7. Nature
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) (Instr. 3 (I) ship
and 4) (Instr. 4) (Instr. 4)
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Code V Amount (A) or (D) Price
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Common Stock 7/2/01 S 82,000 D(3) 4.70 2,708,700 I (1)
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Common Stock 7/2/01 S 18,000 D(4) 4.70 10,000 D (2)
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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).
FORM 4 (continued) Table II -- Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
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1. Title of 2. Conver- 3.Trans- 4. Transac- 5. Number of 6. Date Exer- 7. Title and Amount of
Derivative sion or action tion Code Derivative cisable and Underlying Securities
Security Exercise Date (Instr. 8) Securities Expiration (Instr. 3 and 4)
(Instr. 3) Price of (Month/ Acquired (A) Date (Month/
Derivative Day/ or Disposed Day/Year)
Security Year) of (D)
(Instr.3, 4,
and 5)
Code V (A) (D) Date Expira- Amount or
Exer- tion Title Number of
cisable Date Shares
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[CONTINUATION OF THE ABOVE CHART]
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8. Price of 9. Number 10. Owner- 11. Nature
Derivative of Deriv- ship of In-
Security ative Form direct
(Instr. 5) Secur- of De- Bene-
ities rivative ficial
Bene- Secu- Owner-
ficially rity: ship
Owned Direct (Instr. 4)
at (D) or
End Indi-
of rect (I)
Month (Instr. 4)
(Instr. 4)
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Explanation of Responses:
(1) The shares of Common Stock to which this note relates are held directly by Oracle Partners, L.P. ("Oracle Partners") (1,620,500
shares), Oracle Institutional Partners, L.P. ("Oracle Institutional") (431,700 shares), GSAM Oracle Investments, Inc. ("GSAM
Investments") (215,100 shares) and Oracle Offshore Limited ("Oracle Offshore") (441,400 shares). Oracle Investment Management,
Inc. (the "Investment Manager") serves as investment manager to and has investment discretion over the securities held by GSAM
Investments, Oracle Offshore and the Oracle Management, Inc. Employees Retirement Plan (the "Retirement Plan"). The undersigned
is (i) the senior managing member of Oracle Associates, LLC, the general partner of Oracle Partners and Oracle Institutional,
(ii) the sole shareholder and president of the Investment Manager and (iii) the trustee of The Feinberg Family Foundation (the
"Foundation"). In accordance with Instruction 4(b)(iv), the entire number of shares of Common Stock held by Oracle Partners,
Oracle Institutional, GSAM Investments, Oracle Offshore and the Retirement Plan is reported herein. The undersigned disclaims
any beneficial ownership of the securities to which this Form 4 relates for purposes of Section 16 of the Securities Exchange
Act of 1934, as amended, except as to such securities representing the undersigned's pro rata interest in, and interest in the
profits of, Oracle Partners, Oracle Institutional, GSAM Investments and Oracle Offshore.
(2) The shares of Common Stock to which this note relates are held directly by the undersigned for himself.
(3) The shares of Common Stock to which this note relates were sold by the Retirement Plan (45,300 shares), GSAM (26,700 shares)
and Oracle Institutional (10,000 shares).
(4) The shares of Common Stock to which this note relates were sold by the Foundation (18,000 shares).
/s/ Larry N. Feinberg August 10, 2001
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** Intentional misstatements or omissions of facts constitute Federal Criminal **Signature of Reporting Person Date
Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Larry N. Feinberg
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