MASS
908 Devices Inc.Company with tickers: MASS
CIK
1555279
CUSIP
65443P102
Shares Outstanding
37,813,621
Website
https://www.908devices.com
Investor Relations
https://ir.908devices.com/overview/default.aspx
13F Activity (30d)
3 filings
2 filers
Notices of intent to sell restricted or control shares, filed with the SEC on Form 144 by insiders and affiliates. A Form 144 signals a planned sale — it does not confirm the shares were actually sold.
| Filed | Seller | Relationship | Shares | Approx. Sale | Broker |
|---|---|---|---|---|---|
| 2026-06-03 | CHRISTOPHER BROWN | Officer | 70,000 | 2026-06-03 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-05-28 | JOSEPH GRIFFITH | Officer | 6,940 | 2026-05-28 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-05-08 | JOHN WESLEY KENNEWEG | Officer, Director | 18,255 | 2026-05-08 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-04-08 | CHRISTOPHER BROWN | Director | 100,000 | 2026-04-08 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-04-08 | KEVIN MCCALLION | Officer | 27,000 | 2026-04-08 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2025-10-02 | JOSEPH H GRIFFITH IV | Officer | 5,000 | 2025-10-02 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2025-09-19 | JOSEPH H GRIFFITH IV | Officer | 5,000 | 2025-09-19 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2025-06-16 | MICHAEL S TURNER | Officer | 24,603 | 2025-06-16 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2025-06-04 | JOSEPH H GRIFFITH IV | Officer | 6,940 | 2025-06-04 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2024-02-02 | JOSEPH H GRIFFITH IV | Officer | 9,711 | 2024-02-02 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2023-12-28 | JOSEPH H GRIFFITH IV | Officer | 6,000 | 2023-12-28 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2023-12-19 | JOSEPH H GRIFFITH IV | Officer | 5,580 | 2023-12-19 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2023-12-19 | CHRISTOPHER D BROWN | Officer | 20,000 | 2023-12-19 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2023-05-23 | CHRISTOPHER D BROWN | Officer | 20,000 | 2023-05-23 | Morgan Stanley Smith Barney LLC Executive Financial Services |
Showing 1–14 of 14 filings