---
schema_version: "secwatch.filing_event.v1"
accession: "0001171843-24-003010"
form_type: "8-K"
ticker: "UG"
cik: "0000101295"
company_name: "UNITED GUARDIAN INC"
filed_at: "2024-05-21T23:59:59+00:00"
generated_at: "2026-06-01T10:16:17.579108+00:00"
event_type: "leadership"
sentiment: "positive"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# United-Guardian hires Denise Costrini as Marketing Director; 25+ years personal care experience

## Summary
- Appointed Denise Costrini as Marketing Director effective May 21, 2024.
- Costrini has over 25 years in personal care and specialty chemicals, holds a B.S. in Industrial and Operations Engineering.
- Will focus on market assessment, brand positioning, new business development, and expanding international presence.
- President cites fresh perspective and opportunity to grow market penetration in key markets.

## SEC filing metadata
- accession: 0001171843-24-003010
- form_type: 8-K
- ticker: UG
- cik: 0000101295
- company_name: UNITED GUARDIAN INC
- filed_at: 2024-05-21T23:59:59+00:00
- event_type: leadership
- sentiment: positive
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/101295/000117184324003010/0001171843-24-003010-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/101295/000117184324003010/f8k_052024.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001171843-24-003010
- JSON: https://secwatch.observer/filing/0001171843-24-003010.json
- Plain text: https://secwatch.observer/filing/0001171843-24-003010.txt

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