---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-21-114900"
form_type: "8-K"
ticker: "SENS"
cik: "0001616543"
company_name: "Senseonics Holdings, Inc."
filed_at: "2021-09-13T23:59:59+00:00"
generated_at: "2026-06-29T04:12:25.928851+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Senseonics appoints PHC Holdings CEO John Marotta to board of directors

## Summary
- John Marotta, age 41, appointed to Senseonics board as Class I director effective Sept 8, 2021.
- Marotta serves as President & CEO of PHC Holdings ($3B revenue, 10,000 employees), a major investor holding $35M convertible notes.
- Marotta will not receive director compensation and will not serve on any board committees due to his Ascensia/PHC relationship.
- His director term runs until the 2023 annual meeting of stockholders.

## SEC filing metadata
- accession: 0001104659-21-114900
- form_type: 8-K
- ticker: SENS
- cik: 0001616543
- company_name: Senseonics Holdings, Inc.
- filed_at: 2021-09-13T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1616543/000110465921114900/0001104659-21-114900-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1616543/000110465921114900/tm2127295d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-21-114900
- JSON: https://secwatch.observer/filing/0001104659-21-114900.json
- Plain text: https://secwatch.observer/filing/0001104659-21-114900.txt

## Key facts
- Executive change
  John Marotta was appointed as Director at Senseonics Holdings, Inc..
  - Action: appointed
  - Role: Director
  source text: appointed John Marotta to serve as a director of the Company, which appointment became effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1616543/000110465921114900/0001104659-21-114900-index.htm

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