-----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, SIW7rUa+0mzNwzFr+hyVPq2VmohYfbAaWVVRUPN1X0RJFNQjc1yli3+Xqru7jHS6 nMgFztgh788J6iAF0cJxXA== 0001193125-06-023768.txt : 20060208 0001193125-06-023768.hdr.sgml : 20060208 20060208155642 ACCESSION NUMBER: 0001193125-06-023768 CONFORMED SUBMISSION TYPE: SC 13G PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20060208 DATE AS OF CHANGE: 20060208 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 SEC ACT: 1934 Act SEC FILE NUMBER: 005-39145 FILM NUMBER: 06589130 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 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 1 dsc13g.txt PSYCHEMEDICS CORPORATION UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. ____)* Psychemedics Corporation (Name of Issuer) Common Stock (Title of Class of Securities) 744375205 (CUSIP Number) December 31, 2005 (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 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 6 Pages CUSIP No. 744375205 13G Page 2 of 6 Pages - ------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. or 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) [_] Not Applicable (b) [_] - ------------------------------------------------------------------------------- 3 SEC USE ONLY - ------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Wisconsin - ------------------------------------------------------------------------------- 5 SOLE VOTING POWER 383,464 ------------------------------------------------------------------ NUMBER OF 6 SHARED VOTING POWER SHARES BENEFICIALLY None OWNED BY ------------------------------------------------------------------ EACH 7 SOLE DISPOSITIVE POWER REPORTING PERSON 383,464 WITH ------------------------------------------------------------------ 8 SHARED DISPOSITIVE POWER None - ------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 383,464 - ------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* Not Applicable [_] - ------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 7.4% - ------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* IA - ------------------------------------------------------------------------------- Item 1(a) Name of Issuer: Psychemedics Corporation Item 1(b) Address of Issuer's Principal Executive Offices: 125 Nagog Park Acton, MA 01720 Item 2(a) Name of Person Filing: Cortina Asset Management, LLC ("Cortina") Item 2(b) Address of Principal Business Office: Cortina is located at: 330 East Kilbourn Avenue Suite 850 Milwaukee, WI 53202 Item 2(c) Citizenship: Cortina is a Wisconsin limited liability company; Item 2(d) Title of Class of Securities: Common Stock Item 2(e) CUSIP Number: 744375205 Item 3 Type of Person: (e) Cortina is an Investment Adviser registered under section 203 of the Investment Advisers Act of 1940; Page 3 of 6 Pages Item 4 Ownership (at December 31, 2005): (a) Amount owned "beneficially" within the meaning of rule 13d-3: 383,464 (b) Percent of class: 7.4% (based on 5,167,097 shares outstanding as of November 14, 2005) (c) Number of shares as to which such person has: (i) sole power to vote or to direct the vote: 383,464 (ii)shared power to vote or to direct the vote: None (iii)sole power to dispose or to direct the disposition of: 383,464 (iv)shared power to dispose or to direct 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: Not Applicable Item 8 Identification and Classification of Members of the Group: Not Applicable Item 9 Notice of Dissolution of Group: Not Applicable Page 4 of 6 Pages 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 of 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. Page 5 of 6 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. Date: February 7, 2006 Cortina Asset Management, LLC By: /s/ Lori K. Hoch ------------------------------ Lori K. Hoch Chief Operating Officer and Chief Compliance Officer Page 6 of 6 Pages -----END PRIVACY-ENHANCED MESSAGE-----