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Filing metadata

Accession number: 0001843082-22-000011
Form type: Form 4
Filer: PSYCHEMEDICS CORP
CIK: CIK 806517
Filed: May 17, 2022
Reporting period: May 13, 2022
Description: Insider transaction

Documents

0001843082-22-000011-index.htm

Complete submission

0001843082-22-000011.txt

directory listing

Filed by

PSYCHEMEDICS CORP