Griffith Joseph H. IV — SEC Form 4 filings
SEC reporting owner CIK 1431531. 11 Form 4 filings on record with FilingPulse; latest filed 2026-08-27.
Transaction summary — filings shown
Covers all 11 filings on record, filed 2024-02-02 to 2026-08-27. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 13 legs across 8 filings — 84,159 shares, $593,836 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 26.
- Largest priced transaction: sale of 23,175 shares @ $6.18 ($143,222) in 908 Devices Inc., filed 2026-02-03.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| 908 Devices Inc. (MASS) | Chief Financial Officer | 11 | — | 13 legs · 84,159 sh · $593,836 | 26 |
Form 4 filings — Griffith Joseph H. IV
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-08-27 | 4 | 908 Devices Inc. (MASS) | Sale (S): 11,459 @ $10.95 | EDGAR |
| 2026-05-29 | 4 | 908 Devices Inc. (MASS) | Sale (S): 6,940 @ $9.03 | EDGAR |
| 2026-02-03 | 4 | 908 Devices Inc. (MASS) | Option exercise (M): 5,102 · Option exercise (M): 10,306 · Option exercise (M): 11,260 · Option exercise (M): 43,473 · Sale (S): 23,175 @ $6.18 · Option exercise (M): 5,102 (derivative) @ $0 · +5 more | EDGAR |
| 2025-10-06 | 4 | 908 Devices Inc. (MASS) | Sale (S): 708 @ $9.04 · Sale (S): 4,292 @ $9.05 | EDGAR |
| 2025-09-23 | 4 | 908 Devices Inc. (MASS) | Sale (S): 5,000 @ $7.07 | EDGAR |
| 2025-06-06 | 4 | 908 Devices Inc. (MASS) | Sale (S): 6,940 @ $7.08 | EDGAR |
| 2025-03-05 | 4 | 908 Devices Inc. (MASS) | Grant/award (A): 59,362 (derivative) @ $0 · Grant/award (A): 130,418 (derivative) @ $0 | EDGAR |
| 2025-02-04 | 4 | 908 Devices Inc. (MASS) | Option exercise (M): 5,102 · Option exercise (M): 10,306 · Option exercise (M): 11,261 · Sale (S): 1,960 @ $2.34 · Sale (S): 3,955 @ $2.33 · Sale (S): 4,321 @ $2.35 · +3 more | EDGAR |
| 2024-03-27 | 4 | 908 Devices Inc. (MASS) | Option exercise (M): 8,437 @ $1.58 · Option exercise (M): 8,437 (derivative) @ $0 | EDGAR |
| 2024-03-05 | 4 | 908 Devices Inc. (MASS) | Grant/award (A): 61,535 (derivative) @ $0 · Grant/award (A): 45,042 (derivative) @ $0 | EDGAR |
| 2024-02-02 | 4 | 908 Devices Inc. (MASS) | Option exercise (M): 5,103 · Option exercise (M): 10,306 · Sale (S): 1,888 @ $7.00 · Sale (S): 3,810 @ $7.00 · Sale (S): 9,711 @ $7.09 · Option exercise (M): 5,103 (derivative) @ $0 · +1 more | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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