MASS Insider Activity
View recent SEC Form 4 insider transactions for MASS, including purchases, sales, option exercises, and other insider filings.
| Date | Insider | Type | Quantity | Price | Total Value | Shares Owned |
|---|---|---|---|---|---|---|
| Sep 17, 2026 | Kenneweg John | Exercise | 5,257 | $0.96 | $5,046.72 | 63,041 |
| Sep 16, 2026 | Kenneweg John | Exercise | 21,399 | $0.96 | $20,543.04 | 79,183 |
| Sep 15, 2026 | Kenneweg John | Exercise | 1,000 | $0.96 | $960.00 | 58,784 |
| Sep 02, 2026 | Brown Christopher D. | Sale | 30,000 | $10.58 | $317,400.00 | 775,559 |
| Aug 25, 2026 | Griffith Joseph H. IV | Sale | 11,459 | $10.95 | $125,476.05 | 121,497 |
| Aug 17, 2026 | Knopp Kevin J. | Sale | 20,000 | $10.35 | $207,000.00 | 555,968 |
| Aug 13, 2026 | Knopp Kevin J. | Sale | 7,622 | $10.06 | $76,677.32 | 575,968 |
| Aug 12, 2026 | Knopp Kevin J. | Sale | 2,747 | $10.07 | $27,662.29 | 583,590 |
| Aug 11, 2026 | Brown Christopher D. | Sale | 8,358 | $9.23 | $77,144.34 | 805,559 |
| Aug 11, 2026 | Knopp Kevin J. | Sale | 30,170 | $10.16 | $306,527.20 | 586,337 |
| Aug 11, 2026 | Knopp Kevin J. | Sale | 115,748 | $9.83 | $1,137,802.84 | 616,507 |
| Aug 10, 2026 | Brown Christopher D. | Sale | 9,442 | $9.03 | $85,261.26 | 813,917 |
| Aug 10, 2026 | Knopp Kevin J. | Sale | 348 | $9.06 | $3,152.88 | 732,255 |
| Aug 05, 2026 | Brown Christopher D. | Sale | 20,000 | $8.49 | $169,800.00 | 823,359 |
| Jul 02, 2026 | Brown Christopher D. | Sale | 2,200 | $9.02 | $19,844.00 | 843,359 |
| Jul 02, 2026 | Knopp Kevin J. | Sale | 222 | $9.07 | $2,013.54 | 732,603 |
| Jun 30, 2026 | Brown Christopher D. | Sale | 20,000 | $8.84 | $176,800.00 | 845,559 |
| Jun 26, 2026 | Knopp Kevin J. | Sale | 2,798 | $9.09 | $25,433.82 | 732,825 |
| Jun 25, 2026 | Knopp Kevin J. | Sale | 16,388 | $9.10 | $149,130.80 | 735,623 |
| Jun 25, 2026 | Leonhart Michele M. | Exercise | 6,486 | $0.00 | $0.00 | 27,054 |
| Jun 24, 2026 | Knopp Kevin J. | Sale | 40,535 | $9.14 | $370,489.90 | 752,011 |
| Jun 23, 2026 | AWM Investment Company, Inc. | Sale | 3,050 | $9.00 | $27,462.50 | 4,879,773 |
| Jun 23, 2026 | Brown Christopher D. | Sale | 9,900 | $9.04 | $89,496.00 | 865,559 |
| Jun 23, 2026 | Knopp Kevin J. | Sale | 3,422 | $9.06 | $31,003.32 | 792,546 |
| Jun 22, 2026 | AWM Investment Company, Inc. | Sale | 4,668 | $8.99 | $41,965.32 | 4,882,823 |
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