Griffith Joseph H. IV insider trades
Griffith Joseph H. IV has filed 25 Form 4s with the SEC that we hold, all for 908 Devices Inc. (MASS), as Chief Financial Officer. Across all of them we count 0 purchases worth $0 and 31 sales worth $3.8M reported on Form 4. In the last 12 months: 0 purchases ($0) and 4 sales ($396.5K). The largest single trade was a sale of 23,940 shares of 908 Devices Inc. worth $893.0K, dated 2021-09-08. Of 2 sales filed since we began reading the 10b5-1 checkbox, 2 (100%) were marked as made under a 10b5-1 trading plan. The first filing on our record is dated 2021-09-10 and the latest 2026-10-08.
908 Devices Inc. (MASS)
| Trade date | Code | Shares | Value as filed | Filed | Source |
|---|---|---|---|---|---|
| 2021-09-08 | S, sale reported on Form 4 | 8,413 | $328.7K | 2021-09-10 | SEC |
| 2021-09-08 | S, sale reported on Form 4 | 6,742 | $259.0K | 2021-09-10 | SEC |
| 2021-09-08 | S, sale reported on Form 4 | 10,803 | $396.0K | 2021-09-10 | SEC |
| 2021-09-08 | S, sale reported on Form 4 | 23,940 | $893.0K | 2021-09-10 | SEC |
| 2021-11-05 | S, sale reported on Form 4 | 2,800 | $109.4K | 2021-11-05 | SEC |
| 2022-06-13 | S, sale reported on Form 4 | 13,334 | $180.5K | 2022-06-15 | SEC |
| 2022-06-15 | S, sale reported on Form 4 | 1,000 | $15.0K | 2022-06-17 | SEC |
| 2022-06-17 | S, sale reported on Form 4 | 900 | $13.5K | 2022-06-22 | SEC |
| 2022-06-21 | S, sale reported on Form 4 | 8,100 | $122.0K | 2022-06-22 | SEC |
| 2022-06-24 | S, sale reported on Form 4 | 13,129 | $251.2K | 2022-06-27 | SEC |
| 2022-06-27 | S, sale reported on Form 4 | 5,059 | $96.5K | 2022-06-27 | SEC |
| 2022-08-03 | S, sale reported on Form 4 | 600 | $14.6K | 2022-08-05 | SEC |
| 2022-08-04 | S, sale reported on Form 4 | 12,733 | $310.6K | 2022-08-05 | SEC |
| 2023-02-01 | S, sale reported on Form 4 | 1,836 | $16.8K | 2023-02-03 | SEC |
| 2023-02-02 | S, sale reported on Form 4 | 3,266 | $32.8K | 2023-02-03 | SEC |
| 2023-12-19 | S, sale reported on Form 4 | 5,580 | $50.7K | 2023-12-21 | SEC |
| 2023-12-28 | S, sale reported on Form 4 | 6,000 | $72.5K | 2024-01-02 | SEC |
| 2024-02-01 | S, sale reported on Form 4 | 3,810 | $26.7K | 2024-02-02 | SEC |
| 2024-02-01 | S, sale reported on Form 4 | 1,888 | $13.2K | 2024-02-02 | SEC |
| 2024-02-02 | S, sale reported on Form 4 | 9,711 | $68.9K | 2024-02-02 | SEC |
| 2025-02-03 | S, sale reported on Form 4 | 1,960 | $4.6K | 2025-02-04 | SEC |
| 2025-02-03 | S, sale reported on Form 4 | 3,955 | $9.3K | 2025-02-04 | SEC |
| 2025-02-03 | S, sale reported on Form 4 | 4,321 | $10.2K | 2025-02-04 | SEC |
| 2025-06-04 | S, sale reported on Form 4 | 6,940 | $49.1K | 2025-06-06 | SEC |
| 2025-09-19 | S, sale reported on Form 4 | 5,000 | $35.4K | 2025-09-23 | SEC |
| 2025-10-02 | S, sale reported on Form 4 | 708 | $6.4K | 2025-10-06 | SEC |
| 2025-10-03 | S, sale reported on Form 4 | 4,292 | $38.8K | 2025-10-06 | SEC |
| 2026-02-02 | S, sale reported on Form 4 | 23,175 | $143.2K | 2026-02-03 | SEC |
| 2026-05-28 | S, sale reported on Form 4 | 6,940 | $62.7K | 2026-05-29 | SEC |
| 2026-08-25 | S, sale reported on Form 4 | 11,459 | $125.5K | 2026-08-27 | SEC |
| 2026-10-06 | S, sale reported on Form 4 | 5,000 | $65.2K | 2026-10-08 | SEC |
Counted from the Form 4 filings this reporting owner (SEC CIK 1431531) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.
