Sec Form 4 Filing - SCHULER JACK W @ QUIDEL CORP /DE/ - 2014-05-06

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

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(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person SCHULER JACK W 2. Issuer Name and Ticker or Trading Symbol QUIDEL CORP /DE/ [ QDEL] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 12544 HIGH BLUFF DRIVE, SUITE 200 3. Date of Earliest Transaction (MM/DD/YY) 05/06/2014 (Street) SAN DIEGO, CA92130 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ 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 (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Restricted Stock Units (Converted) ( 1 ) 05/06/2014 A 2,261 ( 2 ) ( 3 ) Common Stock 2,261 $ 0 2,261 D Restricted Stock Units (Premium) ( 1 ) 05/06/2014 A 678 05/06/2015 ( 3 ) Common Stock 678 $ 0 678 D Restricted Stock Units (Equity Grant) ( 1 ) 05/06/2014 A 417 05/06/2015 ( 4 ) Common Stock 417 $ 0 417 D Non-Qualified Stock Option $ 21.07 05/06/2014 A 9,041 05/06/2015 05/06/2024 Common Stock 9,041 $ 0 9,041 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other SCHULER JACK W 12544 HIGH BLUFF DRIVE, SUITE 200 SAN DIEGO, CA92130 X X Signatures Robert J. Bujarski, attorney-in-fact for Jack W. Schuler 11/18/2014 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Each restricted stock unit represents the right to receive one share of Quidel Corporation common stock. ( 2 )The restricted stock units vest on the date of grant, May 6, 2014. ( 3 )The restricted stock units were received in lieu of cash payments to the reporting person for certain retainer and Board of Director service-related fees under a deferred compensation program applicable to participating non-employee directors. ( 4 )The restricted stock units vest upon the earlier of (a) immediately prior to the annual meeting of Quidel Corporation's stockholders in 2015 or (b) on the first anniversary of the grant date or May 6, 2015.

Remarks: This Form 4 relates to annual equity awards made to each director of Issuer and is being filed non-timely due to an administrative error.

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).

** 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 is insufficient, see Instruction 6 for procedure.
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