MASS 908 Devices Inc.
Nasdaq · SEC CIK 1555279 · EDGAR
- Bought, last 12 months
- $0 0 purchases by 0 insiders
- Sold, last 12 months
- $9.09M 35 sales by 6 insiders
- Filings on record
- 216 since 2021-07-08, latest 2026-09-17 17:27
BoughtSold
Most active insiders, 12 months
| Insider | Title | Bought | Sold |
|---|---|---|---|
| AWM Investment Company, Inc. | 10% | — | $3.68M |
| Knopp Kevin J. | Pres, CEO, Dir | — | $2.55M |
| Brown Christopher D. | Dir | — | $1.81M |
| Kenneweg John | SVP, Sales, Product Marketing | — | $481.3K |
| Griffith Joseph H. IV | CFO | — | $376.6K |
| McCallion Kevin J. | SVP, Products, Production | — | $188.1K |
| Vann Brandi C | Dir | — | — |
| Leonhart Michele M. | Dir | — | — |
| Spoto Mark | Dir | — | — |
| Hunt Anthony | Dir | — | — |
Transactions 239
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DM | 2024-02-02 | 2024-02-01 | MASS | Knopp Kevin J. | Pres, CEO, Dir | M - OptEx | — | +24.7K | 421.1K | +6% | — |
| DM | 2024-02-02 | 2024-02-01 | MASS | Griffith Joseph H. IV | CFO | M - OptEx | — | +15.4K | 95.4K | +19% | — |
| DM | 2024-02-02 | 2024-02-01+ | MASS | Griffith Joseph H. IV | CFO | S - Sale+OE | $7.06 | -15.4K | 93.5K | -14% | -$108.7K |
| DM | 2024-02-02 | 2024-02-01 | MASS | Brown Christopher D. | Chief Product Off | S - Sale+OE | $7.01 | -3,957 | 888.8K | -0.4% | -$27.7K |
| DM | 2024-02-02 | 2024-02-01 | MASS | Brown Christopher D. | Chief Product Off | M - OptEx | — | +12.4K | 882.9K | +1% | — |
| DM | 2024-02-02 | 2024-02-01 | MASS | Turner Michael S. | Chief Legal, Admin Off | S - Sale+OE | $6.99 | -5,232 | 9,105 | -36% | -$36.6K |
| DM | 2024-02-02 | 2024-02-01 | MASS | Turner Michael S. | Chief Legal, Admin Off | M - OptEx | — | +14.3K | 14.3K | New | — |
| 2024-01-02 | 2023-12-28 | MASS | Griffith Joseph H. IV | CFO | S - Sale | $12.08 | -6,000 | 80.0K | -7% | -$72.5K | |
| 2023-12-21 | 2023-12-19 | MASS | Griffith Joseph H. IV | CFO | S - Sale | $9.08 | -5,580 | 86.0K | -6% | -$50.7K | |
| M | 2023-12-21 | 2023-12-19+ | MASS | Brown Christopher D. | Chief Product Off | S - Sale | $9.10 | -20.0K | 890.5K | -2% | -$182.0K |
| D | 2023-06-16 | 2023-06-14 | MASS | Hunt Anthony | Dir | M - OptEx | — | +4,771 | 6,829 | +232% | — |
| D | 2023-06-16 | 2023-06-14 | MASS | Eisenberg Marcia | Dir | M - OptEx | — | +4,771 | 6,134 | +350% | — |
| D | 2023-06-16 | 2023-06-14 | MASS | George Jeffrey P. | Dir | M - OptEx | — | +4,771 | 7,165 | +199% | — |
| D | 2023-06-16 | 2023-06-14 | MASS | HRUSOVSKY E KEVIN | Dir | M - OptEx | — | +4,771 | 132.2K | +4% | — |
| D | 2023-06-16 | 2023-06-14 | MASS | CRANDELL KEITH | Dir, 10% | M - OptEx | — | +4,771 | 6,150 | +346% | — |
| D | 2023-06-16 | 2023-06-14 | MASS | Spoto Mark | Dir | M - OptEx | — | +4,771 | 45.2K | +12% | — |
| D | 2023-06-16 | 2023-06-14 | MASS | ELOI FENEL M | Dir | M - OptEx | — | +4,771 | 7,165 | +199% | — |
| D | 2023-06-14 | 2023-06-07 | MASS | Eisenberg Marcia | Dir | M - OptEx | — | +681 | 1,363 | +100% | — |
| T | 2023-06-09 | 2023-06-07 | MASS | Brown Christopher D. | Chief Product Off | S - Sale | $10.03 | -4,470 | 897.9K | -0.5% | -$44.8K |
| D | 2023-06-05 | 2023-06-05 | MASS | Knopp Kevin J. | Pres, CEO, Dir | M - OptEx | $1.75 | +28.5K | 396.3K | +8% | +$49.9K |
| T | 2023-05-25 | 2023-05-23 | MASS | Knopp Kevin J. | Pres, CEO, Dir | S - Sale | $10.12 | -60.0K | 367.8K | -14% | -$607.2K |
| T | 2023-05-25 | 2023-05-23 | MASS | Brown Christopher D. | CTO | S - Sale | $10.02 | -10.0K | 892.4K | -1% | -$100.2K |
| D | 2023-03-23 | 2023-03-22 | MASS | Griffith Joseph H. IV | CFO | M - OptEx | $1.58 | +5,000 | 96.6K | +5% | +$7,900 |
| D | 2023-03-07 | 2023-03-02 | MASS | Hunt Anthony | Dir | M - OptEx | — | +2,058 | 2,058 | New | — |
| D | 2023-02-23 | 2023-02-22 | MASS | George Jeffrey P. | Dir | M - OptEx | — | +507 | 2,394 | +27% | — |
| D | 2023-02-23 | 2023-02-22 | MASS | ELOI FENEL M | Dir | M - OptEx | — | +507 | 2,394 | +27% | — |
| M | 2023-02-17 | 2023-02-15+ | MASS | Knopp Kevin J. | Pres, CEO, Dir | S - Sale | $10.25 | -20.0K | 432.7K | -4% | -$205.0K |
| D | 2023-02-03 | 2023-02-01 | MASS | Griffith Joseph H. IV | CFO | M - OptEx | — | +5,102 | 96.7K | +6% | — |
| DM | 2023-02-03 | 2023-02-01+ | MASS | Griffith Joseph H. IV | CFO | S - Sale+OE | $9.72 | -5,102 | 91.6K | -5% | -$49.6K |
| D | 2023-02-03 | 2023-02-01 | MASS | Brown Christopher D. | CTO | M - OptEx | — | +5,027 | 913.9K | +0.6% | — |
| DM | 2023-02-03 | 2023-02-01+ | MASS | Brown Christopher D. | CTO | S - Sale+OE | $9.91 | -11.6K | 912.4K | -1% | -$114.6K |
| D | 2023-02-03 | 2023-02-01 | MASS | Fitzpatrick Maura | VP, Product Management, Mktg | S - Sale+OE | $9.20 | -1,593 | 2,834 | -36% | -$14.7K |
| D | 2023-02-03 | 2023-02-01 | MASS | Fitzpatrick Maura | VP, Product Management, Mktg | M - OptEx | — | +4,427 | 4,427 | New | — |
| DM | 2023-02-03 | 2023-02-01+ | MASS | Turner Michael S. | VP, GC | S - Sale+OE | $9.72 | -4,427 | 2,848 | -61% | -$43.0K |
| D | 2023-02-03 | 2023-02-01 | MASS | Turner Michael S. | VP, GC | M - OptEx | — | +4,427 | 4,427 | New | — |
| DM | 2023-02-03 | 2023-02-01+ | MASS | Knopp Kevin J. | Pres, CEO, Dir | S - Sale+OE | $10.40 | -44.0K | 447.8K | -9% | -$458.3K |
| D | 2023-02-03 | 2023-02-01 | MASS | Knopp Kevin J. | Pres, CEO, Dir | M - OptEx | — | +11.3K | 491.9K | +2% | — |
| 2022-11-23 | 2022-11-22 | MASS | Spoto Mark | Dir | P - Purchase | $9.65 | +2,585 | 40.4K | +7% | +$24.9K | |
| D | 2022-11-22 | 2022-11-21 | MASS | HRUSOVSKY E KEVIN | Dir | M - OptEx | $0.35 | +76.0K | 320.6K | +31% | +$26.6K |
| M | 2022-11-17 | 2022-11-15 | MASS | Knopp Kevin J. | Pres, CEO, Dir | S - Sale | $11.04 | -20.0K | 480.6K | -4% | -$220.8K |
| M | 2022-10-19 | 2022-10-17+ | MASS | Knopp Kevin J. | Pres, CEO, Dir | S - Sale | $15.08 | -30.0K | 500.6K | -6% | -$452.4K |
| 2022-09-19 | 2022-09-15 | MASS | Knopp Kevin J. | Pres, CEO, Dir | S - Sale | $16.94 | -30.0K | 530.6K | -5% | -$508.2K | |
| 2022-09-14 | 2022-09-12 | MASS | Brown Christopher D. | CTO | S - Sale | $19.58 | -20.0K | 908.9K | -2% | -$391.6K | |
| D | 2022-08-18 | 2022-08-17 | MASS | Turner Michael S. | VP, GC | S - Sale+OE | $18.15 | -5,000 | 0 | -100% | -$90.8K |
| D | 2022-08-18 | 2022-08-17 | MASS | Turner Michael S. | VP, GC | M - OptEx | $7.91 | +5,000 | 5,000 | New | +$39.5K |
| M | 2022-08-17 | 2022-08-15 | MASS | Knopp Kevin J. | Pres, CEO, Dir | S - Sale | $19.27 | -30.0K | 563.0K | -5% | -$578.1K |
| M | 2022-08-09 | 2022-08-05+ | MASS | Knopp Kevin J. | Pres, CEO, Dir | S - Sale | $25.32 | -26.2K | 590.6K | -4% | -$663.2K |
| DM | 2022-08-05 | 2022-08-03+ | MASS | Griffith Joseph H. IV | CFO | S - Sale+OE | $24.39 | -13.3K | 91.6K | -13% | -$325.1K |
| DM | 2022-08-05 | 2022-08-03+ | MASS | Griffith Joseph H. IV | CFO | M - OptEx | $0.96 | +13.3K | 104.3K | +15% | +$12.8K |
| D | 2022-08-03 | 2022-08-02 | MASS | Turner Michael S. | VP, GC | M - OptEx | $7.91 | +10.0K | 10.0K | New | +$79.1K |
| D | 2022-08-03 | 2022-08-02 | MASS | Turner Michael S. | VP, GC | S - Sale+OE | $23.96 | -10.0K | 0 | -100% | -$239.6K |
| M | 2022-08-01 | 2022-07-28+ | MASS | Knopp Kevin J. | Pres, CEO, Dir | S - Sale | $22.28 | -38.3K | 616.8K | -6% | -$854.4K |
| 2022-07-25 | 2022-07-21 | MASS | Knopp Kevin J. | Pres, CEO, Dir | S - Sale | $22.04 | -200 | 655.2K | -0.0% | -$4,408 | |
| M | 2022-07-19 | 2022-07-15 | MASS | Knopp Kevin J. | Pres, CEO, Dir | S - Sale | $17.37 | -30.0K | 673.6K | -4% | -$521.1K |
| M | 2022-07-08 | 2022-07-06 | MASS | Brown Christopher D. | CTO | S - Sale | $21.28 | -10.0K | 928.9K | -1% | -$212.8K |
| M | 2022-07-08 | 2022-07-06+ | MASS | Knopp Kevin J. | Pres, CEO, Dir | S - Sale | $22.07 | -1,453 | 685.8K | -0.2% | -$32.1K |
| M | 2022-07-01 | 2022-06-29+ | MASS | Brown Christopher D. | CTO | S - Sale | $20.20 | -20.2K | 942.6K | -2% | -$407.5K |
| 2022-07-01 | 2022-06-29 | MASS | Turner Michael S. | VP, GC | S - Sale | $20.03 | -5,000 | 0 | -100% | -$100.2K | |
| D | 2022-06-27 | 2022-06-23 | MASS | Turner Michael S. | VP, GC | M - OptEx | $7.91 | +10.0K | 15.0K | +200% | +$79.1K |
| D | 2022-06-27 | 2022-06-23 | MASS | Turner Michael S. | VP, GC | S - Sale+OE | $17.90 | -10.0K | 5,000 | -67% | -$179.0K |
| DM | 2022-06-27 | 2022-06-24+ | MASS | Griffith Joseph H. IV | CFO | S - Sale+OE | $19.12 | -18.2K | 91.6K | -17% | -$347.7K |
| DM | 2022-06-27 | 2022-06-24+ | MASS | Griffith Joseph H. IV | CFO | M - OptEx | $0.96 | +18.2K | 104.7K | +21% | +$17.5K |
| DM | 2022-06-22 | 2022-06-17+ | MASS | Griffith Joseph H. IV | CFO | S - Sale+OE | $15.05 | -9,000 | 91.6K | -9% | -$135.5K |
| DM | 2022-06-22 | 2022-06-17+ | MASS | Griffith Joseph H. IV | CFO | M - OptEx | $0.96 | +9,000 | 99.7K | +10% | +$8,640 |
| 2022-06-22 | 2022-06-21 | MASS | Knopp Kevin J. | Pres, CEO, Dir | S - Sale | $15.07 | -9,200 | 686.8K | -1% | -$138.6K | |
| D | 2022-06-17 | 2022-06-15 | MASS | BARTHELEMY NICOLAS | Dir | M - OptEx | — | +1,379 | 15.4K | +10% | — |
| D | 2022-06-17 | 2022-06-15 | MASS | ELOI FENEL M | Dir | M - OptEx | — | +1,379 | 1,887 | +271% | — |
| D | 2022-06-17 | 2022-06-15 | MASS | HRUSOVSKY E KEVIN | Dir | M - OptEx | — | +1,379 | 244.6K | +0.6% | — |
| D | 2022-06-17 | 2022-06-15 | MASS | Spoto Mark | Dir | M - OptEx | — | +1,379 | 37.8K | +4% | — |
| D | 2022-06-17 | 2022-06-15 | MASS | CRANDELL KEITH | Dir, 10% | M - OptEx | — | +1,379 | 1,379 | New | — |
| M | 2022-06-17 | 2022-06-15 | MASS | Knopp Kevin J. | Pres, CEO, Dir | S - Sale | $14.66 | -20.8K | 696.0K | -3% | -$304.9K |
| D | 2022-06-17 | 2022-06-15 | MASS | Griffith Joseph H. IV | CFO | M - OptEx | $0.96 | +1,000 | 92.6K | +1% | +$960 |
| D | 2022-06-17 | 2022-06-15 | MASS | Griffith Joseph H. IV | CFO | S - Sale+OE | $15.02 | -1,000 | 91.6K | -1% | -$15.0K |
| D | 2022-06-17 | 2022-06-15 | MASS | George Jeffrey P. | Dir | M - OptEx | — | +1,379 | 1,887 | +271% | — |
| D | 2022-06-15 | 2022-06-13 | MASS | Griffith Joseph H. IV | CFO | M - OptEx | $0.96 | +13.3K | 104.9K | +15% | +$12.8K |
| D | 2022-06-15 | 2022-06-13 | MASS | Griffith Joseph H. IV | CFO | S - Sale+OE | $13.54 | -13.3K | 91.6K | -13% | -$180.5K |
| D | 2022-06-08 | 2022-06-07 | MASS | Eisenberg Marcia | Dir | M - OptEx | — | +682 | 682 | New | — |
| D | 2022-04-28 | 2022-04-27 | MASS | Basarsky Trent A. | VP, Corp. Development | M - OptEx | $1.75 | +5,000 | 80.0K | +7% | +$8,750 |
| 2022-04-14 | 2022-04-12 | MASS | Brown Christopher D. | CTO | S - Sale | $20.06 | -9,829 | 959.1K | -1% | -$197.2K | |
| D | 2022-04-14 | 2022-04-12 | MASS | Kenneweg John | VP, Government | M - OptEx | $0.35 | +9,880 | 9,880 | New | +$3,458 |
| D | 2022-04-14 | 2022-04-12 | MASS | Kenneweg John | VP, Government | S - Sale+OE | $20.07 | -9,880 | 0 | -100% | -$198.3K |
| DM | 2022-04-13 | 2022-04-11+ | MASS | Basarsky Trent A. | VP, Corp. Development | M - OptEx | $1.75 | +30.0K | 75.0K | +67% | +$52.5K |
| DM | 2022-04-13 | 2022-04-12 | MASS | Basarsky Trent A. | VP, Corp. Development | S - Sale+OE | $19.74 | -15.0K | 75.0K | -17% | -$296.0K |
| D | 2022-03-21 | 2022-03-18 | MASS | Kenneweg John | VP, Government | M - OptEx | $0.35 | +19.9K | 19.9K | New | +$6,958 |
| D | 2022-03-21 | 2022-03-18 | MASS | Kenneweg John | VP, Government | S - Sale+OE | $20.06 | -19.9K | 0 | -100% | -$398.8K |
| 2022-03-21 | 2022-03-18 | MASS | Brown Christopher D. | CTO | S - Sale | $20.06 | -19.9K | 968.9K | -2% | -$399.2K | |
| DM | 2022-03-15 | 2022-03-14 | MASS | Basarsky Trent A. | VP, Corp. Development | M - OptEx | $1.98 | +15.0K | 75.0K | +25% | +$29.7K |
| DM | 2022-03-15 | 2022-03-14 | MASS | Basarsky Trent A. | VP, Corp. Development | S - Sale+OE | $17.66 | -15.0K | 60.0K | -20% | -$264.9K |
| D | 2022-03-15 | 2022-03-11 | MASS | Kenneweg John | VP, Government | S - Sale+OE | $20.00 | -119 | 0 | -100% | -$2,380 |
| D | 2022-03-15 | 2022-03-11 | MASS | Kenneweg John | VP, Government | M - OptEx | $0.35 | +119 | 119 | New | +$41.65 |
| 2022-03-15 | 2022-03-11 | MASS | Brown Christopher D. | CTO | S - Sale | $20.00 | -100 | 988.8K | -0.0% | -$2,000 | |
| D | 2022-02-25 | 2022-02-23 | MASS | Basarsky Trent A. | VP, Corp. Development | M - OptEx | $1.75 | +15.0K | 60.0K | +33% | +$26.2K |
| D | 2022-02-23 | 2022-02-22 | MASS | ELOI FENEL M | Dir | M - OptEx | — | +508 | 508 | New | — |
| D | 2022-02-23 | 2022-02-22 | MASS | George Jeffrey P. | Dir | M - OptEx | — | +508 | 508 | New | — |
| DM | 2022-02-16 | 2022-02-14+ | MASS | Basarsky Trent A. | VP, Corp. Development | M - OptEx | $1.75 | +15.0K | 50.7K | +42% | +$26.2K |
| DM | 2022-02-16 | 2022-02-14+ | MASS | Basarsky Trent A. | VP, Corp. Development | S - Sale+OE | $15.18 | -15.0K | 45.0K | -25% | -$227.7K |
| D | 2022-01-14 | 2022-01-12 | MASS | Basarsky Trent A. | VP, Corp. Development | M - OptEx | $1.75 | +15.0K | 60.0K | +33% | +$26.2K |
| DM | 2022-01-14 | 2022-01-12 | MASS | Basarsky Trent A. | VP, Corp. Development | S - Sale+OE | $19.43 | -15.0K | 47.0K | -24% | -$291.4K |
| DM | 2022-01-12 | 2022-01-10+ | MASS | Kenneweg John | VP, Government | M - OptEx | $0.35 | +10.0K | 9,300 | New | +$3,500 |
| DM | 2022-01-12 | 2022-01-10+ | MASS | Kenneweg John | VP, Government | S - Sale+OE | $20.14 | -10.0K | 0 | -100% | -$201.4K |
Purchase Sale Sale after option exercise All abbreviations