Insider Trades42 trades
| Date↓ | Side | Ticker↕ | Insider↕ | Role↕ | Shares↕ | Price↕ | Mkt Cap↕ | 52W High↕ | 52W Low↕ | Value↕ | % Chg↕ | Rule↕ | AI View↕ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Aug 13, 2026 | Sell | MASS | Kevin J. Knopp | President and CEO | 27,622 | $10.27 | $393.5M | -15.37% | +89.45% | $283.7K | -2.38% | 10b5-1 | Stalk |
| Aug 10, 2026 | Sell | MASS | Kevin J. Knopp | President and CEO | 149,013 | $9.90 | $393.5M | -15.37% | +89.45% | $1.5M | -5.59% | 10b5-1 | Stalk |
| Jul 2, 2026 | Sell | MASS | Kevin J. Knopp | President and CEO | 222 | $9.07 | $393.5M | -15.37% | +89.45% | $2.0K | -0.03% | 10b5-1 | Stalk |
| Jun 26, 2026 | Sell | MASS | Kevin J. Knopp | President and CEO | 2,798 | $9.09 | $393.5M | -15.37% | +89.45% | $25.4K | -0.38% | 10b5-1 | Stalk |
| Jun 23, 2026 | Sell | MASS | Kevin J. Knopp | President and CEO | 60,345 | $9.12 | $393.5M | -15.37% | +89.45% | $550.6K | -2.58% | 10b5-1 | Stalk |
| May 28, 2026 | Sell | MASS | Joseph H. Iv Griffith | Chief Financial Officer | 6,940 | $9.03 | $393.5M | -15.37% | +89.45% | $62.7K | -4.96% | 10b5-1 | Stalk |
| May 8, 2026 | Sell | MASS | John Kenneweg | SVP, Sales & Product Marketing | 18,255 | $8.11 | $393.5M | -15.37% | +89.45% | $148.0K | -24.01% | — | Stalk |
| May 1, 2026 | Sell | MASS | John Kenneweg | SVP, Sales & Product Marketing | 7,787 | $6.83 | $393.5M | -15.37% | +89.45% | $53.2K | -9.29% | — | Stalk |
| Apr 10, 2026 | Sell | MASS | Kevin J. Mccallion | SVP, Products and Production | 5,386 | $4.03 | $393.5M | -15.37% | +89.45% | $21.7K | +0.00% | 10b5-1 | Stalk |
| Apr 8, 2026 | Sell | MASS | Kevin J. Mccallion | SVP, Products and Production | 48,000 | $4.05 | $393.5M | -15.37% | +89.45% | $194.3K | +0.00% | 10b5-1 | Stalk |
| Mar 2, 2026 | Sell | MASS | Kevin J. Mccallion | SVP, Products and Production | 7 | $7.00 | $393.5M | -15.37% | +89.45% | $49 | -0.02% | 10b5-1 | Stalk |
| Mar 2, 2026 | Sell | MASS | Kevin J. Mccallion | SVP, Products and Production | 14 | $4.03 | $393.5M | -15.37% | +89.45% | $56.35 | +0.00% | 10b5-1 | Stalk |
| Feb 2, 2026 | Sell | MASS | Joseph H. Iv Griffith | Chief Financial Officer | 23,175 | $6.18 | $393.5M | -15.37% | +89.45% | $143.2K | -5.07% | — | Stalk |
| Feb 2, 2026 | Sell | MASS | Kevin J. Knopp | President and CEO | 34,764 | $6.18 | $393.5M | -15.37% | +89.45% | $214.8K | -2.66% | — | Stalk |
| Oct 2, 2025 | Sell | MASS | Joseph H. Iv Griffith | Chief Financial Officer | 5,000 | $9.05 | $393.5M | -15.37% | +89.45% | $45.2K | -2.56% | 10b5-1 | Stalk |
| Sep 19, 2025 | Sell | MASS | Joseph H. Iv Griffith | Chief Financial Officer | 5,000 | $7.07 | $393.5M | -15.37% | +89.45% | $35.3K | -4.86% | 10b5-1 | Stalk |
| Jun 16, 2025 | Sell | MASS | Michael S. Turner | Chief Legal & Admin Officer | 24,603 | $7.51 | $393.5M | -15.37% | +89.45% | $184.8K | -71.32% | 10b5-1 | Stalk |
| Jun 4, 2025 | Sell | MASS | Joseph H. Iv Griffith | Chief Financial Officer | 6,940 | $7.08 | $393.5M | -15.37% | +89.45% | $49.1K | -6.32% | 10b5-1 | Stalk |
| May 15, 2025 | Buy | MASS | Kevin J. Knopp | President and CEO | 15,000 | $4.44 | $393.5M | -15.37% | +89.45% | $66.6K | +2.12% | — | Stalk |
| May 14, 2025 | Buy | MASS | Kevin J. Knopp | President and CEO | 15,000 | $4.32 | $393.5M | -15.37% | +89.45% | $64.8K | +2.17% | — | Stalk |
| Feb 3, 2025 | Sell | MASS | Christopher D. Brown | Chief Product Officer | 7,767 | $2.34 | $393.5M | -15.37% | +89.45% | $18.2K | -0.26% | — | Stalk |
| Feb 3, 2025 | Sell | MASS | Michael S. Turner | Chief Legal & Admin Officer | 9,672 | $2.33 | $393.5M | -15.37% | +89.45% | $22.5K | -6.35% | — | Stalk |
| Feb 3, 2025 | Sell | MASS | Joseph H. Iv Griffith | Chief Financial Officer | 10,236 | $2.34 | $393.5M | -15.37% | +89.45% | $24.0K | -2.48% | — | Stalk |
| Feb 3, 2025 | Sell | MASS | Kevin J. Knopp | President and CEO | 16,001 | $2.32 | $393.5M | -15.37% | +89.45% | $37.1K | -0.73% | — | Stalk |
| Dec 19, 2024 | Buy | MASS | Christopher D. Brown | Chief Product Officer | 55,131 | $1.58 | $393.5M | -15.37% | +89.45% | $87.1K | +6.19% | — | Stalk |
| Dec 13, 2024 | Buy | MASS | Kevin J. Knopp | President and CEO | 158,044 | $1.63 | $393.5M | -15.37% | +89.45% | $257.8K | +14.83% | — | Stalk |
| Aug 7, 2024 | Buy | MASS | Christopher D. Brown | Chief Product Officer | 6,328 | $1.58 | $393.5M | -15.37% | +89.45% | $10.0K | +0.67% | — | Stalk |
| May 13, 2024 | Buy | MASS | Kevin J. Knopp | President and CEO | 10,000 | $6.42 | $393.5M | -15.37% | +89.45% | $64.2K | +2.00% | — | Stalk |
| May 10, 2024 | Buy | MASS | Kevin J. Knopp | President and CEO | 10,000 | $5.77 | $393.5M | -15.37% | +89.45% | $57.7K | +2.05% | — | Stalk |
| May 9, 2024 | Buy | MASS | Kevin J. Knopp | President and CEO | 10,000 | $5.83 | $393.5M | -15.37% | +89.45% | $58.3K | +2.09% | — | Stalk |
| May 8, 2024 | Buy | MASS | Kevin J. Knopp | President and CEO | 10,000 | $5.72 | $393.5M | -15.37% | +89.45% | $57.2K | +2.13% | — | Stalk |
| May 7, 2024 | Buy | MASS | Kevin J. Knopp | President and CEO | 10,000 | $5.60 | $393.5M | -15.37% | +89.45% | $56.0K | +2.18% | — | Stalk |
| Apr 16, 2024 | Buy | MASS | Kevin J. Knopp | President and CEO | 47,000 | $1.75 | $393.5M | -15.37% | +89.45% | $82.3K | +10.23% | — | Stalk |
| Apr 1, 2024 | Buy | MASS | Christopher D. Brown | Chief Product Officer | 3,600 | $1.75 | $393.5M | -15.37% | +89.45% | $6.3K | +0.36% | — | Stalk |
| Mar 26, 2024 | Buy | MASS | Joseph H. Iv Griffith | Chief Financial Officer | 8,437 | $1.58 | $393.5M | -15.37% | +89.45% | $13.3K | +9.37% | — | Stalk |
| Feb 1, 2024 | Sell | MASS | Christopher D. Brown | Chief Product Officer | 3,957 | $7.01 | $393.5M | -15.37% | +89.45% | $27.7K | -0.22% | — | Stalk |
| Feb 1, 2024 | Sell | MASS | Michael S. Turner | Chief Legal & Admin Officer | 5,232 | $6.99 | $393.5M | -15.37% | +89.45% | $36.6K | -7.97% | — | Stalk |
| Feb 1, 2024 | Sell | MASS | Kevin J. Knopp | President and CEO | 9,071 | $7.00 | $393.5M | -15.37% | +89.45% | $63.5K | -1.01% | — | Stalk |
| Feb 1, 2024 | Sell | MASS | Joseph H. Iv Griffith | Chief Financial Officer | 15,409 | $7.06 | $393.5M | -15.37% | +89.45% | $108.8K | -4.82% | 10b5-1 | Stalk |
| Dec 28, 2023 | Sell | MASS | Joseph H. Iv Griffith | Chief Financial Officer | 6,000 | $12.08 | $393.5M | -15.37% | +89.45% | $72.5K | -6.98% | 10b5-1 | Stalk |
| Dec 19, 2023 | Sell | MASS | Joseph H. Iv Griffith | Chief Financial Officer | 5,580 | $9.08 | $393.5M | -15.37% | +89.45% | $50.7K | -6.09% | 10b5-1 | Stalk |
| Dec 19, 2023 | Sell | MASS | Christopher D. Brown | Chief Product Officer | 20,000 | $9.10 | $393.5M | -15.37% | +89.45% | $182.0K | -0.56% | 10b5-1 | Stalk |