---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-26-103670"
form_type: "8-K"
ticker: "MTTN"
cik: "0002075109"
company_name: "Matternet, Inc."
filed_at: "2026-09-26T00:44:19+00:00"
generated_at: "2026-10-12T13:28:39.623597+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.45
calibrated_materiality_score: 0.45
confidence: "high"
source: SEC EDGAR
---

# Matternet CEO Andreas Raptopoulos takes on CFO role as Jason Secore's departure takes effect Sept. 29

## Summary
- Board of Directors appointed CEO Andreas Raptopoulos as Chief Financial Officer effective September 29, 2026, adding principal financial and accounting officer duties to his CEO role.
- CFO Jason Secore's employment with Matternet ends September 29, 2026; the transition was first disclosed in a June 15, 2026 Form 8-K as a mutual agreement.
- Matternet stated Secore's departure is not related to any disagreement over operations, policies or practices, and a search for his successor has commenced.
- No successor CFO was named; the company points to its May 29, 2026 8-K for Raptopoulos' biographical information.

## SEC filing metadata
- accession: 0001213900-26-103670
- form_type: 8-K
- ticker: MTTN
- cik: 0002075109
- company_name: Matternet, Inc.
- filed_at: 2026-09-26T00:44:19+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.45
- calibrated_materiality_score: 0.45
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2075109/000121390026103670/0001213900-26-103670-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2075109/000121390026103670/ea0306747-8k_matternet.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-26-103670
- JSON: https://secwatch.observer/filing/0001213900-26-103670.json
- Plain text: https://secwatch.observer/filing/0001213900-26-103670.txt

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