See the top institutional holders, insider ownership, and recent ownership changes for MASS.

Are insiders bullish on MASS? | Glauxie AI

The largest institutional holder is First Light Asset Management, LLC. Recent insider activity: 8 buys, 21 sells — insiders are net selling MASS.

Track recent insider buys and sells for MASS with transaction details, amounts, and trends.

Track smart money moves in MASS — hedge fund positions, insider trades, congressional trades, and analyst ratings.

Are insiders bullish on MASS?

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MASS Ownership & Insider Activity

Name	Shares	Date
AWM Investment Company, Inc.	5.0K	2026-05-11
Kenneweg John	18.3K	2026-05-08
AWM Investment Company, Inc.	3.0K	2026-05-08
AWM Investment Company, Inc.	12.8K	2026-05-07
AWM Investment Company, Inc.	5.0K	2026-05-06
AWM Investment Company, Inc.	57.4K	2026-05-06
Brown Christopher D.	20.0K	2026-05-06
Kenneweg John	26.0K	2026-05-01
Kenneweg John	7.8K	2026-05-01
Kenneweg John	26.0K	2026-05-01

Insider Trades 13F Holdings MASS Overview

Are insiders buying or selling MASS? Who owns MASS stock? What is smart money doing with MASS?