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Filing Detail
Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001062993-23-016937
Filing Date
2023-08-21
Accepted
2023-08-21 17:42:10
Documents
1
Period of Report
2023-08-17

Document Format Files

Seq Description Document Type Size
1 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES form4.html 4  
1 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES form4.xml 4 3270
  Complete submission text file 0001062993-23-016937.txt   4594
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 ONE WALLINGFORD ROAD MARBLEHEAD MA 01945
Business Address
Davis Robyn C (Reporting) CIK: 0001580601 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-13738 | Film No.: 231190398