---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-23-000768"
form_type: "8-K/A"
ticker: "PTC"
cik: "0000857005"
company_name: "PTC INC."
filed_at: "2023-01-13T23:59:59+00:00"
generated_at: "2026-06-20T15:44:34.423447+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.2
calibrated_materiality_score: 0.2
confidence: "high"
source: SEC EDGAR
---

# PTC amends 8-K to disclose Michal Katz's appointment to Audit Committee on Jan 12, 2023

## Summary
- Michal Katz appointed to PTC Board's Audit Committee effective January 12, 2023.
- She is independent under Nasdaq rules and has requisite financial experience.
- This amends the December 13, 2021 8-K that reported her initial board appointment.

## SEC filing metadata
- accession: 0000950170-23-000768
- form_type: 8-K/A
- ticker: PTC
- cik: 0000857005
- company_name: PTC INC.
- filed_at: 2023-01-13T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.2
- calibrated_materiality_score: 0.2
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/857005/000095017023000768/0000950170-23-000768-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/857005/000095017023000768/ptc-20211213.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-23-000768
- JSON: https://secwatch.observer/filing/0000950170-23-000768.json
- Plain text: https://secwatch.observer/filing/0000950170-23-000768.txt

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