---
schema_version: "secwatch.filing_event.v1"
accession: "0001171843-24-006701"
form_type: "8-K"
ticker: "PMDI"
cik: "0000806517"
company_name: "PSYCHEMEDICS CORP"
filed_at: "2024-12-03T23:59:59+00:00"
generated_at: "2026-05-29T10:42:32.028036+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.9
calibrated_materiality_score: 0.9
confidence: "high"
source: SEC EDGAR
---

# Psychemedics executes reverse/forward stock split, plans Nasdaq delisting

## Summary
- Stock split effective Dec 3, 2024: 1-for-5,000 reverse split followed by 5,000-for-1 forward split.
- Holders of fewer than 5,000 pre-split shares receive $2.35 per share in cash and are cashed out.
- Stockholders with 5,000 or more shares see no net change in share count.
- Company intends to voluntarily delist from Nasdaq and deregister, filing Form 25 and Form 15.
- Expected annual cost savings exceeding $845,000 from delisting and deregistration.

## SEC filing metadata
- accession: 0001171843-24-006701
- form_type: 8-K
- ticker: PMDI
- cik: 0000806517
- company_name: PSYCHEMEDICS CORP
- filed_at: 2024-12-03T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.9
- calibrated_materiality_score: 0.9
- confidence: high
- sec_items: 3.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/806517/000117184324006701/0001171843-24-006701-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/806517/000117184324006701/f8k_120324.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001171843-24-006701
- JSON: https://secwatch.observer/filing/0001171843-24-006701.json
- Plain text: https://secwatch.observer/filing/0001171843-24-006701.txt

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