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Filing Detail
Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001843082-22-000027
Filing Date
2022-05-24
Accepted
2022-05-24 17:41:30
Documents
1
Period of Report
2022-05-20

Document Format Files

Seq Description Document Type Size
1 PRIMARY DOCUMENT edgar.html 4  
1 PRIMARY DOCUMENT edgar.xml 4 3443
  Complete submission text file 0001843082-22-000027.txt   4772
Mailing Address 125 NAGOG PARK ACTON MA 01720
Business Address 125 NAGOG PARK ACTON MA 01720 978-206-8220
PSYCHEMEDICS CORP (Issuer) CIK: 0000806517 (see all company filings)

IRS No.: 581701987 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 8071 Services-Medical Laboratories

Mailing Address C/O PAYCHEMEDICS CORP 1280 MASSACHUSETTS AVE STE 200 CAMBRIDGE MA 02138
Business Address
TOMENSON WALTER S (Reporting) CIK: 0001250734 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-13738 | Film No.: 22958297