Knopp Kevin J. — SEC Form 4 filings
SEC reporting owner CIK 1836523. 19 Form 4 filings on record with FilingPulse; latest filed 2026-08-17.
Transaction summary — filings shown
Covers all 19 filings on record, filed 2024-02-02 to 2026-08-17. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): 7 legs across 7 filings — 80,000 shares, $424,784 total (shares × price as filed).
- Open-market sales (code S, non-derivative): 17 legs across 8 filings — 299,836 shares, $2,652,306 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 30.
- Largest priced transaction: sale of 115,748 shares @ $9.83 ($1,137,803) in 908 Devices Inc., filed 2026-08-12.
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) | President and CEO, Director | 19 | 7 legs · 80,000 sh · $424,784 | 17 legs · 299,836 sh · $2,652,306 | 30 |
Form 4 filings — Knopp Kevin J.
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-08-17 | 4 | 908 Devices Inc. (MASS) | Sale (S): 7,622 @ $10.06 · Sale (S): 20,000 @ $10.35 | EDGAR |
| 2026-08-12 | 4 | 908 Devices Inc. (MASS) | Sale (S): 348 @ $9.06 · Sale (S): 115,748 @ $9.83 · Sale (S): 30,170 @ $10.16 · Sale (S): 2,747 @ $10.07 | EDGAR |
| 2026-07-07 | 4 | 908 Devices Inc. (MASS) | Sale (S): 222 @ $9.07 | EDGAR |
| 2026-06-30 | 4 | 908 Devices Inc. (MASS) | Sale (S): 2,798 @ $9.09 | EDGAR |
| 2026-06-25 | 4 | 908 Devices Inc. (MASS) | Sale (S): 3,422 @ $9.06 · Sale (S): 40,535 @ $9.14 · Sale (S): 16,388 @ $9.10 | EDGAR |
| 2026-02-03 | 4 | 908 Devices Inc. (MASS) | Option exercise (M): 11,255 · Option exercise (M): 13,449 · Option exercise (M): 17,007 · Option exercise (M): 66,288 · Sale (S): 34,764 @ $6.18 · Option exercise (M): 11,255 (derivative) @ $0 · +5 more | EDGAR |
| 2025-05-19 | 4 | 908 Devices Inc. (MASS) | Purchase (P): 15,000 @ $4.44 | EDGAR |
| 2025-05-14 | 4 | 908 Devices Inc. (MASS) | Purchase (P): 15,000 @ $4.32 | EDGAR |
| 2025-03-05 | 4 | 908 Devices Inc. (MASS) | Grant/award (A): 90,518 (derivative) @ $0 · Grant/award (A): 198,864 (derivative) @ $0 | EDGAR |
| 2025-02-04 | 4 | 908 Devices Inc. (MASS) | Option exercise (M): 11,254 · Option exercise (M): 13,448 · Option exercise (M): 17,007 · Sale (S): 4,318 @ $2.33 · Sale (S): 5,159 @ $2.31 · Sale (S): 6,524 @ $2.32 · +3 more | EDGAR |
| 2024-12-16 | 4 | 908 Devices Inc. (MASS) | Option exercise (M): 47,418 @ $1.75 · Option exercise (M): 110,626 @ $1.58 · Option exercise (M): 47,418 (derivative) @ $0 · Option exercise (M): 110,626 (derivative) @ $0 | EDGAR |
| 2024-05-13 | 4 | 908 Devices Inc. (MASS) | Purchase (P): 10,000 @ $6.42 | EDGAR |
| 2024-05-10 | 4 | 908 Devices Inc. (MASS) | Purchase (P): 10,000 @ $5.77 | EDGAR |
| 2024-05-09 | 4 | 908 Devices Inc. (MASS) | Purchase (P): 10,000 @ $5.83 | EDGAR |
| 2024-05-08 | 4 | 908 Devices Inc. (MASS) | Purchase (P): 10,000 @ $5.72 | EDGAR |
| 2024-05-07 | 4 | 908 Devices Inc. (MASS) | Purchase (P): 10,000 @ $5.60 | EDGAR |
| 2024-04-16 | 4 | 908 Devices Inc. (MASS) | Option exercise (M): 47,000 @ $1.75 · Option exercise (M): 47,000 (derivative) @ $0 | EDGAR |
| 2024-03-05 | 4 | 908 Devices Inc. (MASS) | Grant/award (A): 92,937 (derivative) @ $0 · Grant/award (A): 68,028 (derivative) @ $0 | EDGAR |
| 2024-02-02 | 4 | 908 Devices Inc. (MASS) | Option exercise (M): 11,255 · Option exercise (M): 13,449 · Sale (S): 4,099 @ $6.97 · Sale (S): 4,972 @ $7.02 · Option exercise (M): 11,255 (derivative) @ $0 · Option exercise (M): 13,449 (derivative) @ $0 | 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.
Need this as JSON?
GET https://api.filingpulse.io/v1/insider-trades?owner_cik=1836523 returns every filing on this page — normalized, with footnotes and derivative legs — and webhooks push new filings to you in seconds. API docs →