Kenneweg John
SEC CIK 1836876 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| MASS | 908 Devices Inc. | VP, Government | 63.0K | — | $2.90M | 23 | 2021-07-16 | 2026-09-15 |
Most active insiders at MASS, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | AWM Investment Company, Inc. | 10% | — | $3.68M |
| 2 | Knopp Kevin J. | Pres, CEO, Dir | — | $2.55M |
| 3 | Brown Christopher D. | Dir | — | $1.81M |
| 4 | Kenneweg John | SVP, Sales, Product Marketing | — | $481.3K |
| 5 | Griffith Joseph H. IV | CFO | — | $376.6K |
| 6 | McCallion Kevin J. | SVP, Products, Production | — | $188.1K |
| 7 | Vann Brandi C | Dir | — | — |
| 8 | Leonhart Michele M. | Dir | — | — |
| 9 | Spoto Mark | Dir | — | — |
| 10 | Hunt Anthony | Dir | — | — |
Transactions 23
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DMT | 2026-09-17 17:27 | 2026-09-15+ | MASS | 908 Devices Inc. | Kenneweg John | SVP, Sales, Product Marketing | M - OptEx | $0.96 | +27.7K | 63.0K | +78% | +$26.5K |
| DMT | 2026-09-17 17:27 | 2026-09-15+ | MASS | 908 Devices Inc. | Kenneweg John | SVP, Sales, Product Marketing | S - Sale+OE | $10.13 | -27.7K | 57.8K | -32% | -$280.1K |
| 2026-05-11 16:05 | 2026-05-08 | MASS | 908 Devices Inc. | Kenneweg John | SVP, Sales, Product Marketing | S - Sale | $8.11 | -18.3K | 57.8K | -24% | -$148.0K | |
| D | 2026-05-04 16:30 | 2026-05-01 | MASS | 908 Devices Inc. | Kenneweg John | SVP, Sales, Product Marketing | M - OptEx | — | +26.0K | 83.8K | +45% | — |
| D | 2026-05-04 16:30 | 2026-05-01 | MASS | 908 Devices Inc. | Kenneweg John | SVP, Sales, Product Marketing | S - Sale+OE | $6.83 | -7,787 | 76.0K | -9% | -$53.2K |
| D | 2022-04-14 | 2022-04-12 | MASS | 908 Devices Inc. | Kenneweg John | VP, Government | M - OptEx | $0.35 | +9,880 | 9,880 | New | +$3,458 |
| D | 2022-04-14 | 2022-04-12 | MASS | 908 Devices Inc. | Kenneweg John | VP, Government | S - Sale+OE | $20.07 | -9,880 | 0 | -100% | -$198.3K |
| D | 2022-03-21 | 2022-03-18 | MASS | 908 Devices Inc. | Kenneweg John | VP, Government | M - OptEx | $0.35 | +19.9K | 19.9K | New | +$6,958 |
| D | 2022-03-21 | 2022-03-18 | MASS | 908 Devices Inc. | Kenneweg John | VP, Government | S - Sale+OE | $20.06 | -19.9K | 0 | -100% | -$398.8K |
| D | 2022-03-15 | 2022-03-11 | MASS | 908 Devices Inc. | Kenneweg John | VP, Government | S - Sale+OE | $20.00 | -119 | 0 | -100% | -$2,380 |
| D | 2022-03-15 | 2022-03-11 | MASS | 908 Devices Inc. | Kenneweg John | VP, Government | M - OptEx | $0.35 | +119 | 119 | New | +$41.65 |
| DM | 2022-01-12 | 2022-01-10+ | MASS | 908 Devices Inc. | Kenneweg John | VP, Government | M - OptEx | $0.35 | +10.0K | 9,300 | New | +$3,500 |
| DM | 2022-01-12 | 2022-01-10+ | MASS | 908 Devices Inc. | Kenneweg John | VP, Government | S - Sale+OE | $20.14 | -10.0K | 0 | -100% | -$201.4K |
| DM | 2021-11-18 | 2021-11-16 | MASS | 908 Devices Inc. | Kenneweg John | VP, Government | S - Sale+OE | $30.32 | -10.0K | 502 | -95% | -$303.2K |
| D | 2021-11-18 | 2021-11-16 | MASS | 908 Devices Inc. | Kenneweg John | VP, Government | M - OptEx | $0.35 | +10.0K | 10.0K | New | +$3,500 |
| D | 2021-10-19 | 2021-10-18 | MASS | 908 Devices Inc. | Kenneweg John | VP, Government | M - OptEx | $0.35 | +10.0K | 10.0K | New | +$3,500 |
| D | 2021-10-19 | 2021-10-18 | MASS | 908 Devices Inc. | Kenneweg John | VP, Government | S - Sale+OE | $32.22 | -10.0K | 0 | -100% | -$322.2K |
| D | 2021-09-17 | 2021-09-16 | MASS | 908 Devices Inc. | Kenneweg John | VP, Government | M - OptEx | $0.35 | +10.0K | 10.0K | New | +$3,500 |
| D | 2021-09-17 | 2021-09-16 | MASS | 908 Devices Inc. | Kenneweg John | VP, Government | S - Sale+OE | $36.61 | -10.0K | 0 | -100% | -$366.1K |
| DM | 2021-08-17 | 2021-08-16 | MASS | 908 Devices Inc. | Kenneweg John | VP, Government | S - Sale+OE | $30.45 | -10.0K | 2,719 | -79% | -$304.5K |
| D | 2021-08-17 | 2021-08-16 | MASS | 908 Devices Inc. | Kenneweg John | VP, Government | M - OptEx | $0.35 | +10.0K | 10.0K | New | +$3,500 |
| D | 2021-07-20 | 2021-07-16 | MASS | 908 Devices Inc. | Kenneweg John | VP, Government | M - OptEx | $0.35 | +10.0K | 10.0K | New | +$3,500 |
| DM | 2021-07-20 | 2021-07-16 | MASS | 908 Devices Inc. | Kenneweg John | VP, Government | S - Sale+OE | $32.27 | -10.0K | 0 | -100% | -$322.7K |
Purchase Sale Sale after option exercise All abbreviations