0001325312-11-000029.txt : 20110810 0001325312-11-000029.hdr.sgml : 20110810 20110810130738 ACCESSION NUMBER: 0001325312-11-000029 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20110810 DATE AS OF CHANGE: 20110810 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: PSYCHEMEDICS CORP CENTRAL INDEX KEY: 0000806517 STANDARD INDUSTRIAL CLASSIFICATION: SERVICES-MEDICAL LABORATORIES [8071] IRS NUMBER: 581701987 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-39145 FILM NUMBER: 111023652 BUSINESS ADDRESS: STREET 1: 125 NAGOG PARK CITY: ACTON STATE: MA ZIP: 01720 BUSINESS PHONE: 978-206-8220 MAIL ADDRESS: STREET 1: 125 NAGOG PARK CITY: ACTON STATE: MA ZIP: 01720 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: Cortina Asset Management, LLC CENTRAL INDEX KEY: 0001325312 IRS NUMBER: 562450074 STATE OF INCORPORATION: WI FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: 330 EAST KILBOURN AVENUE, SUITE 850 CITY: MILWAUKEE STATE: WI ZIP: 53202 BUSINESS PHONE: 414-225-7365 MAIL ADDRESS: STREET 1: 330 EAST KILBOURN AVENUE, SUITE 850 CITY: MILWAUKEE STATE: WI ZIP: 53202 SC 13G/A 1 pmd073111txt.txt PMD 13GA 073111 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 1) PSYCHEMEDICS CORP. ------------------------------------------------------ (Name of Issuer) Common Stock ------------------------------------------------------ (Title of Class of Securities) 744375205 ------------------------------------------------------ (CUSIP Number) July 31, 2011 ------------------------------------------------------ (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is filed: [X] Rule 13d-1(b) [ ] Rule 13d-1(c) [ ] Rule 13d-1(d) 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. 744375205 --------------------------------------------------------------------- 1. NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Cortina Asset Management, LLC 56-2450074 --------------------------------------------------------------------- 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ] (b) [ ] --------------------------------------------------------------------- 3. SEC USE ONLY --------------------------------------------------------------------- 4. CITIZENSHIP OR PLACE OF ORGANIZATION Wisconsin --------------------------------------------------------------------- 5. SOLE VOTING POWER: 87,428 NUMBER OF ------------------------------------------------------ SHARES 6. SHARED VOTING POWER: None BENEFICIALLY OWNED BY ------------------------------------------------------ EACH 7. SOLE DISPOSITIVE POWER: 103,568 REPORTING PERSON WITH ------------------------------------------------------ 8. SHARED DISPOSITIVE POWER: None --------------------------------------------------------------------- 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 103,568 --------------------------------------------------------------------- 10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ] --------------------------------------------------------------------- 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 1.98 --------------------------------------------------------------------- 12. TYPE OF REPORTING PERSON IA --------------------------------------------------------------------- Item 1(a) NAME OF ISSUER Psychemedics Corp. (b) ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES 125 Nagog Park, Acton, MA 01720 Item 2(a) NAME OF PERSONS FILING Cortina Asset Management, LLC (b) ADDRESS OF PRINCIPAL BUSINESS OFFICE OR, IF NONE, RESIDENCE 825 North Jefferson Street, Suite 400, Milwaukee, Wisconsin 53202 (c) CITIZENSHIP Cortina is a Wisconsin limited liability company (d) TITLE OF CLASS OF SECURITIES Common Stock (e) CUSIP NUMBER 744375205 Item 3. Type of Person: (e) [X] Cortina is an Investment Adviser registered under section 203 of the Investment Advisors Act of 1940 Item 4. OWNERSHIP Ownership (as of July, 31, 2011): (a) Amount owned "beneficially" within the meaning of rule 13d-3: 103,568 (b) Percent of class: 1.98% (based on 5,230,568 shares outstanding as of May 6, 2011.) (c) Number of shares as to which such person has: (i) Sole power to vote or to direct the vote 87,428 (ii) Shared power to vote or direct the vote None (iii) Sole power to dispose or to direct the disposition of 103,568 (iv) Shared power to dispose or to direct the disposition of None 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 Not Applicable Item 7. IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY OR CONTROL PERSON Not Applicable Item 8. IDENTIFICATION AND CLASSIFICAITON OF MEMBERS OF THE GROUP Not Applicable Item 9. NOTICE OF DISSOLUTION OF GROUP Not Applicable Item 10. CERTIFICATION By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect. 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. August 10, 2011 ------------------------------------- Date /s/LORI K. HOCH ------------------------------------- Signature Lori K. Hoch Chief Operating Officer and Chief Compliance Officer ------------------------------------- Name/Title