Joseph H. IV Griffith, the Chief Financial Officer of $MASS, sold 6,940 shares of the company on 06-04-2025 for an estimated $49,135. We received data on the trade from a recent SEC filing. This was a sale of approximately 6.3% of their shares of this class of stock. Following this trade, they now own 102,930 shares of this class of $MASS stock.
$MASS Insider Trading Activity
$MASS insiders have traded $MASS stock on the open market 17 times in the past 6 months. Of those trades, 4 have been purchases and 13 have been sales.
Here’s a breakdown of recent trading of $MASS stock by insiders over the last 6 months:
- KEVIN J. KNOPP (President and CEO) has made 2 purchases buying 30,000 shares for an estimated $131,383 and 3 sales selling 16,001 shares for an estimated $37,109.
- JOSEPH H. IV GRIFFITH (Chief Financial Officer) has made 0 purchases and 4 sales selling 17,176 shares for an estimated $73,119.
- MARK SPOTO has made 2 purchases buying 10,000 shares for an estimated $42,850 and 0 sales.
- MICHAEL S. TURNER (Chief Legal & Admin Officer) has made 0 purchases and 3 sales selling 9,672 shares for an estimated $22,498.
- CHRISTOPHER D. BROWN (Chief Product Officer) has made 0 purchases and 3 sales selling 7,767 shares for an estimated $18,190.
To track insider transactions, check out Quiver Quantitative's insider trading dashboard.
$MASS Hedge Fund Activity
We have seen 50 institutional investors add shares of $MASS stock to their portfolio, and 56 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- AWM INVESTMENT COMPANY, INC. added 3,526,000 shares (+210.6%) to their portfolio in Q1 2025, for an estimated $15,796,480
- AMERIPRISE FINANCIAL INC removed 1,814,187 shares (-100.0%) from their portfolio in Q1 2025, for an estimated $8,127,557
- FIRST LIGHT ASSET MANAGEMENT, LLC added 1,701,095 shares (+inf%) to their portfolio in Q1 2025, for an estimated $7,620,905
- FRED ALGER MANAGEMENT, LLC removed 820,448 shares (-100.0%) from their portfolio in Q4 2024, for an estimated $1,804,985
- INVESCO LTD. added 649,630 shares (+inf%) to their portfolio in Q1 2025, for an estimated $2,910,342
- GRANAHAN INVESTMENT MANAGEMENT, LLC removed 522,786 shares (-100.0%) from their portfolio in Q1 2025, for an estimated $2,342,081
- ESSEX INVESTMENT MANAGEMENT CO LLC added 480,549 shares (+inf%) to their portfolio in Q1 2025, for an estimated $2,152,859
To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard.
This article is not financial advice. See Quiver Quantitative's disclaimers for more information.
