---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-26-107571"
form_type: "8-K"
ticker: "MTTN"
cik: "0002075109"
company_name: "Matternet, Inc."
filed_at: "2026-10-07T20:05:13+00:00"
generated_at: "2026-10-12T15:54:41.341708+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.45
calibrated_materiality_score: 0.45
confidence: "high"
source: SEC EDGAR
---

# Matternet CFO Jason Secore exits; separation deal pays $156,146, extends option exercise 18 months post-IPO

## Summary
- CFO Jason Secore's last day was September 29, 2026; separation agreement signed October 1, 2026 pays $156,146 lump sum within 10 days of effective date.
- Vesting ceased on Separation Date: 500,526 vested shares under option ES-238 and 102,922 under ES-291; unvested portions cancelled.
- Exercise period for vested options extended to 18-month anniversary of Matternet's first Nasdaq/NYSE/NYSE American listing; Secore must be available for CEO consultations during that period.
- Departure not due to any disagreement with Matternet on operations, policies, or practices; CEO Andreas Raptopoulos signed the 8-K as CEO and CFO.
- Company will directly pay COBRA premiums through October 31, 2026 if Secore timely elects continued coverage.

## SEC filing metadata
- accession: 0001213900-26-107571
- form_type: 8-K
- ticker: MTTN
- cik: 0002075109
- company_name: Matternet, Inc.
- filed_at: 2026-10-07T20:05:13+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.45
- calibrated_materiality_score: 0.45
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2075109/000121390026107571/0001213900-26-107571-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2075109/000121390026107571/ea0307872-8k_matternet.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-26-107571
- JSON: https://secwatch.observer/filing/0001213900-26-107571.json
- Plain text: https://secwatch.observer/filing/0001213900-26-107571.txt

## Key facts
- Executive change
  Jason Secore departed as Chief Financial Officer at Matternet, Inc..
  - Action: departed
  - Role: Chief Financial Officer
  source text: On September 28, 2026, we filed a Current Report on Form 8-K disclosing that Mr. Secore’s employment with Matternet would end on September 29, 2026, and we had commenced a search for Mr. Secore’s successor.
  evidence_url: https://www.sec.gov/Archives/edgar/data/2075109/000121390026107571/0001213900-26-107571-index.htm

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