---
schema_version: "secwatch.filing_event.v1"
accession: "0001171843-22-008275"
form_type: "8-K"
ticker: "PMDI"
cik: "0000806517"
company_name: "PSYCHEMEDICS CORP"
filed_at: "2022-12-30T23:59:59+00:00"
generated_at: "2026-06-20T21:43:27.730168+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# Psychemedics appoints William Norris as Controller and principal financial officer

## Summary
- William Norris, 34, appointed Controller effective Jan 1, 2023, as principal financial and accounting officer.
- Previously served as Assistant Controller since Aug 2022 and Accounting Manager from Apr 2021.
- Salary $135,000 per year, at-will, eligible for cash performance bonus starting 2023.
- Reports directly to CEO; CPA with MBA from Boston University and over 10 years of experience.

## SEC filing metadata
- accession: 0001171843-22-008275
- form_type: 8-K
- ticker: PMDI
- cik: 0000806517
- company_name: PSYCHEMEDICS CORP
- filed_at: 2022-12-30T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/806517/000117184322008275/0001171843-22-008275-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/806517/000117184322008275/f8k_123022.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001171843-22-008275
- JSON: https://secwatch.observer/filing/0001171843-22-008275.json
- Plain text: https://secwatch.observer/filing/0001171843-22-008275.txt

## Key facts
- Executive change
  William Norris was appointed as Controller at PSYCHEMEDICS CORP.
  - Action: appointed
  - Role: Controller
  source text: On December 30, 2022, the Psychemedics Corporation (the “Company”) appointed William Norris as Controller of the Company, to take effect as of January 1, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/806517/000117184322008275/0001171843-22-008275-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.