secwatch / observer
MASS 908 Devices Inc.
CIK 0001555279 39 ready 8-Ks latest July 8, 2026, 4:30 PM ET RSS · JSON
Activity: NORMAL 2 filings / 30d vs 1 baseline
Ready 8-Ks 39
Latest filing July 8, 2026, 4:30 PM ET
Top materiality 0.85
Event mix earnings ×21 · other_material ×6 · leadership ×5
Sentiment 16 pos · 3 neg · 20 neu
Latest earnings reported 2026-Q1
Executive change recent →

Recent 8-K filings for MASS

Executive changes

Appointed

Christopher D. Brown

Director
MASS · 908 Devices Inc.
Effective
2025-06-13
Filed
June 16, 2025, 7:59 PM ET
On June 13, 2025, Christopher D. Brown was appointed to the Board to fill the vacancy created following Ms. Eisenberg’s resignation.
Departed

Marcia Eisenberg

Director
MASS · 908 Devices Inc.
Effective
2025-06-12
Successor
Christopher D. Brown
Filed
June 16, 2025, 7:59 PM ET
On June 12, 2025, Marcia Eisenberg resigned from the Board of Directors (the “Board”) of 908 Devices Inc. (the “Company”) and the Compensation Committee of the Board. Her resignation was effective on June 12, 2025 at 5:00 p.m. Eastern Time.
Appointed

Michele M. Leonhart

Director
MASS · 908 Devices Inc.
Effective
2024-06-25
Filed
June 25, 2024, 7:59 PM ET
On June 25, 2024, Michele M. Leonhart was appointed to the Board of Directors (the “Board”) of 908 Devices Inc.
Departed

Nicolas Barthelemy

Director
MASS · 908 Devices Inc.
Filed
April 11, 2022, 7:59 PM ET
On April 11, 2022, Nicolas Barthelemy advised the Board of Directors (the “Board”) of 908 Devices Inc. (the “Company”) of his decision not to stand for re-election as a member of the Board at the Company’s 2022 Annual Meeting of Stockholders (the “Annual Meeting”) to be held in June 2022.
Appointed

Tony J. Hunt

Director
MASS · 908 Devices Inc.
Effective
2022-03-02
Filed
March 2, 2022, 6:59 PM ET
On March 2, 2022, Tony J. Hunt was appointed to the Board of Directors

Earnings & guidance

2026-Q1 EPS reported -$0.32 filing →

Materiality & sentiment trend

Max materiality 0.85 · Median 0.65 · Most common event earnings

16 positive 3 negative 20 neutral

source · MASS on sec.gov