---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-24-074581"
form_type: "8-K"
ticker: "MASS"
cik: "0001555279"
company_name: "908 Devices Inc."
filed_at: "2024-06-25T23:59:59+00:00"
generated_at: "2026-06-01T02:11:48.350576+00:00"
event_type: "leadership"
sentiment: "positive"
materiality_score: 0.45
calibrated_materiality_score: 0.45
confidence: "high"
source: SEC EDGAR
---

# 908 Devices appoints former DEA Administrator Michele Leonhart to Board of Directors

## Summary
- Michele Leonhart joined Board as Class I director on June 25, 2024; term expires at 2027 annual meeting.
- Former DEA Administrator with 34 years of experience, including leading $2.4B agency with 227 domestic and 86 foreign offices.
- Compensation: $40,000 annual cash retainer, initial $200K equity (50% RSUs/50% NQSOs) vesting over 3 years.
- CEO Kevin Knopp cites recent RedWave Technology acquisition and Leonhart's forensics expertise to boost market penetration.
- Board expands from 8 to 9 members; no arrangements or transactions requiring disclosure under Item 404(a).

## SEC filing metadata
- accession: 0001104659-24-074581
- form_type: 8-K
- ticker: MASS
- cik: 0001555279
- company_name: 908 Devices Inc.
- filed_at: 2024-06-25T23:59:59+00:00
- event_type: leadership
- sentiment: positive
- 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/1555279/000110465924074581/0001104659-24-074581-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1555279/000110465924074581/tm2418122d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-24-074581
- JSON: https://secwatch.observer/filing/0001104659-24-074581.json
- Plain text: https://secwatch.observer/filing/0001104659-24-074581.txt

## Key facts
- Executive change
  Michele M. Leonhart was appointed as Director at 908 Devices Inc..
  - Action: appointed
  - Role: Director
  source text: On June 25, 2024, Michele M. Leonhart was appointed to the Board of Directors (the “Board”) of 908 Devices Inc.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1555279/000110465924074581/0001104659-24-074581-index.htm

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