---
schema_version: "secwatch.filing_event.v1"
accession: "0001555280-25-000266"
form_type: "8-K"
ticker: "ZTS"
cik: "0001555280"
company_name: "Zoetis Inc."
filed_at: "2025-10-28T23:59:59+00:00"
generated_at: "2026-05-17T01:55:53.091237+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Zoetis appoints Stephanie Tilenius to Board, effective Dec 1, 2025

## Summary
- Stephanie Tilenius appointed to Zoetis Board, effective December 1, 2025.
- Board size increases from 12 to 13 members upon her appointment.
- No arrangements with third parties or related party transactions reported.
- Ms. Tilenius will participate in standard non-employee director compensation program.

## SEC filing metadata
- accession: 0001555280-25-000266
- form_type: 8-K
- ticker: ZTS
- cik: 0001555280
- company_name: Zoetis Inc.
- filed_at: 2025-10-28T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1555280/000155528025000266/0001555280-25-000266-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1555280/000155528025000266/zts-20251023.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001555280-25-000266
- JSON: https://secwatch.observer/filing/0001555280-25-000266.json
- Plain text: https://secwatch.observer/filing/0001555280-25-000266.txt

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