# 908 Devices (MASS): value investors who own it | moatshark

1 value investor held 908 Devices in their Q3 2026 13F, led by First Eagle Investment Management.

## 13F holders

| Manager | Portfolio | Value | Change | Quarters held |
| --- | --- | --- | --- | --- |
| First Eagle Investment Management | 0.0% | $8.1m | Added +16% | 5 |

## Directors buying and selling (Form 4, last 12 months)

| Date | Who | Role | Bought or sold | Shares | Value |
| --- | --- | --- | --- | --- | --- |
| 2026-10-07 | Brown Christopher D. | Director | Sold | 30000 | $357k |
| 2026-10-06 | Griffith Joseph H. IV | Chief Financial Officer | Sold | 5000 | $65k |
| 2026-09-29 | AWM Investment Company, Inc. | 10% owner | Sold | 18000 | $207k |
| 2026-09-24 | AWM Investment Company, Inc. | 10% owner | Sold | 24000 | $273k |
| 2026-09-23 | AWM Investment Company, Inc. | 10% owner | Sold | 1000 | $11k |
| 2026-09-17 | Kenneweg John | SVP, Sales & Product Marketing | Sold | 5257 | $54k |
| 2026-09-16 | Kenneweg John | SVP, Sales & Product Marketing | Sold | 21399 | $216k |
| 2026-09-15 | Kenneweg John | SVP, Sales & Product Marketing | Sold | 1000 | $10k |
| 2026-09-02 | Brown Christopher D. | Director | Sold | 30000 | $317k |
| 2026-08-25 | Griffith Joseph H. IV | Chief Financial Officer | Sold | 11459 | $125k |
| 2026-08-21 | AWM Investment Company, Inc. | 10% owner | Sold | 41578 | $441k |
| 2026-08-20 | AWM Investment Company, Inc. | 10% owner | Sold | 8422 | $89k |
| 2026-08-17 | Knopp Kevin J. | President and CEO | Sold | 20000 | $207k |
| 2026-08-13 | Knopp Kevin J. | President and CEO | Sold | 7622 | $77k |
| 2026-08-12 | Knopp Kevin J. | President and CEO | Sold | 2747 | $28k |
| 2026-08-11 | Knopp Kevin J. | President and CEO | Sold | 115748 | $1.1m |
| 2026-08-11 | Knopp Kevin J. | President and CEO | Sold | 30170 | $307k |
| 2026-08-11 | Brown Christopher D. | Director | Sold | 8358 | $77k |
| 2026-08-10 | Brown Christopher D. | Director | Sold | 9442 | $85k |
| 2026-08-10 | Knopp Kevin J. | President and CEO | Sold | 348 | $3k |

Source: SEC filings, via moatshark (https://www.moatshark.com/s/mass). Values traded and returns are estimates. Not investment advice. Built 2026-10-21.