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Insider ActivityMASS
Brown Christopher D., Insider at 908 Devices Inc., sold $175K of MASS
Updated Jun 6, 2026
Brown Christopher D.
Insider
908 Devices Inc. ·
$MASS
Transaction Details
| Insider | Brown Christopher D. |
|---|---|
| Title | Insider |
| Company | 908 Devices Inc. |
| Ticker | MASS |
| Transaction Type | Sale |
| Transaction Date | 2026-06-03 |
| Shares Traded | 20,000 |
| Price Per Share | $8.73 |
| Total Value | $175K |
| Filed Date | 2026-06-04 |
| Accession Number | 0001836988-26-000011 |
Ownership Context
| Shares Owned After Transaction | 875,559 |
|---|---|
| Ownership Type | Direct |
SEC Filing
Accession: 0001836988-26-000011
Other Insider Trades — MASS
| Insider | Title | Action | Value | Date |
|---|---|---|---|---|
| Brown Christopher D. | Insider | sold | $900 | 2026-06-04 |
| AWM Investment Company, Inc. | 10% Owner | sold | $357K | 2026-06-04 |
| AWM Investment Company, Inc. | 10% Owner | sold | $22K | 2026-06-02 |
| AWM Investment Company, Inc. | 10% Owner | sold | $1.5M | 2026-05-28 |
| Brown Christopher D. | Insider | sold | $270K | 2026-05-28 |
| Griffith Joseph H. IV | Chief Financial Officer | sold | $63K | 2026-05-28 |
| AWM Investment Company, Inc. | 10% Owner | sold | $12K | 2026-05-27 |
| AWM Investment Company, Inc. | 10% Owner | sold | $124K | 2026-05-27 |
| AWM Investment Company, Inc. | 10% Owner | sold | $41K | 2026-05-11 |
| AWM Investment Company, Inc. | 10% Owner | sold | $25K | 2026-05-08 |
Other Trades by Brown Christopher D.
| Ticker | Company | Action | Value | Date |
|---|---|---|---|---|
| MASS | 908 Devices Inc. | sold | $900 | 2026-06-04 |
| MASS | 908 Devices Inc. | sold | $270K | 2026-05-28 |
| MASS | 908 Devices Inc. | sold | $145K | 2026-05-06 |
| MASS | 908 Devices Inc. | sold | $124K | 2026-04-10 |
| MASS | 908 Devices Inc. | sold | $52K | 2026-04-09 |
| MASS | 908 Devices Inc. | sold | $106K | 2026-04-08 |
Full Ticker Profile
View all insider trades, dark pool activity, congressional filings, and the Whisper Score for MASS — 908 Devices Inc. →
Whisper Score — MASS
50.0
Active Discussion
Current Whisper Score
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Data sourced from SEC Form 4 insider trading filings. Transaction details are as reported to the Securities and Exchange Commission. This page does not constitute financial advice. StonkWhisper presents public records — it does not verify or guarantee the accuracy of SEC filings.
Last updated: June 06, 2026 at 07:00 UTC