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Filing metadata

Accession number: 0001062993-23-011265
Form type: Form 4
Filer: PSYCHEMEDICS CORP
CIK: CIK 806517
Filed: May 16, 2023
Reporting period: May 15, 2023
Description: Insider transaction

Documents

0001062993-23-011265-index.htm

Complete submission

0001062993-23-011265.txt

directory listing

Filed by

PSYCHEMEDICS CORP