Disclosure profile

Who’s trading MASS?

908 Devices Inc.

Every disclosed Congress and corporate-insider transaction in MASS (908 Devices Inc.) — 16 trades from 11 politicians and executives, each AI-scored. Updated as new filings land.

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FilerActionAmountFiledScore

Vann Brandi CSEC Form 4——2026-06-126

CRANDELL KEITHSEC Form 4——2026-06-126

ELOI FENEL MSEC Form 4——2026-06-126

HRUSOVSKY E KEVINSEC Form 4——2026-06-127

Hunt AnthonySEC Form 4——2026-06-125

Spoto MarkSEC Form 4——2026-06-125

Leonhart Michele M.SEC Form 4——2026-06-126

Brown Christopher D.SEC Form 4Sell—2026-06-053

AWM Investment Company, Inc.SEC Form 4Sell—2026-06-043

Brown Christopher D.SEC Form 4Sell—2026-06-043

AWM Investment Company, Inc.SEC Form 4Sell—2026-05-293

Brown Christopher D.SEC Form 4Sell—2026-05-295

Griffith Joseph H. IVSEC Form 4Sell—2026-05-294

Kenneweg JohnSEC Form 4Sell—2026-05-116

Kenneweg JohnSEC Form 4——2026-05-042

Kenneweg JohnSEC Form 4——2026-04-295

Public-record disclosures (SEC Form 4 & Congressional PTRs). Research tool — not investment advice.