Brown Christopher D. 4

What Happened

• Christopher D. Brown, a director of 908 Devices Inc. (MASS), sold 100 shares on June 4, 2026. The shares were disposed at $9.00 per share for total proceeds of $900. This was a sale (often routine) rather than a purchase.

Key Details

• Transaction date: 2026-06-04; Sale price: $9.00 per share; Total value: $900.
• Transaction type: Sale (code S) via open-market or private sale as reported.
• Shares owned after transaction: Not disclosed in the provided filing excerpt.
• Footnote: The sale was made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 24, 2025.
• Filing/timeliness: Reported on 2026-06-05 (covering the 2026-06-04 transaction); no indication in the filing excerpt that this was late.

Context

• Sales executed under a pre-established 10b5-1 plan are typically scheduled ahead of time and do not necessarily reflect a director’s current view of the company. This was a small, routine insider sale (100 shares, $900).