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Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0001104659-05-006375
Filing Date
2005-02-14
Accepted
2005-02-14 15:57:07
Documents
1
Group Members
ANN B. CHRISTOPH IRACHRISTOPH SECURITIES, INCRICHARD T. CHRISTOPH, TRUSTEE OF THE CARLA C. MCMAHON TRUSTRICHARD T. CHRISTOPH, TRUSTEE OF THE RICHARD T. CHRISTOPH LI

Document Format Files

Seq Description Document Type Size
1 SC 13G/A a05-3497_1sc13ga.htm SC 13G/A 157159
  Complete submission text file 0001104659-05-006375.txt   159280
Mailing Address 1280 MASSACHUSETTS AVE SUITE 200 CAMBRIDGE MA 02138
Business Address 1280 MASSACHUSETTS AVENUE SUITE 200 CAMBRIDGE MA 02138 6178687455
PSYCHEMEDICS CORP (Subject) CIK: 0000806517 (see all company filings)

IRS No.: 581701987 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-39145 | Film No.: 05609862
SIC: 8071 Services-Medical Laboratories

Mailing Address C/O CHRISTOPH SECURITIES INC 1156 LYNETTE DR P O BOX 752 LAKE FOREST IL 60045
Business Address 7082346400
CHRISTOPH RICHARD T (Filed by) CIK: 0000947766 (see all company filings)

Type: SC 13G/A