McCallion Kevin J.
SEC insider (Form 3/4/5 filer). CIK 0002115341. SVP, Products and Production at 908 Devices Inc. (MASS). 8 reported Form 4/5 transactions since Sep 2024; latest on Apr 10, 2026. Located in BURLINGTON, MA.
Companies McCallion Kevin J. has filed insider reports for
- 908 Devices Inc. (MASS): Officer, SVP, Products and Production
McCallion Kevin J.
CIK: 0002115341
Transaction Breakdown
Open Market Buys (P)0 (0.0%)
High conviction signal
Open Market Sales (S)4 (50.0%)
Position reduction
Option Exercises (M)4 (50.0%)
Derivative conversions
Awards (A)0 (0.0%)
Compensation grants
Other (G, F, J, C, D, …)0 (0.0%)
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
MASS
908 Devices Inc.
Officer
Discretionary Trading P&L
Holdings
Transaction History (8 total)
- Apr 10, 2026MASS
908 Devices Inc.
ExerciseDirect2.7K shares at avg. $1.05$3K - Apr 10, 2026MASS
908 Devices Inc.
SaleDirect2.7K shares at avg. $7.01$19K - Apr 9, 2026MASS
908 Devices Inc.
ExerciseDirect5.4K shares at avg. $1.05$6K - Apr 9, 2026MASS
908 Devices Inc.
SaleDirect5.4K shares at avg. $7.03$38K - Apr 8, 2026MASS
908 Devices Inc.
ExerciseDirect18.6K shares at avg. $1.05$20K - Apr 8, 2026MASS
908 Devices Inc.
SaleDirect18.6K shares at avg. $7.05$131K - Mar 2, 2026MASS
908 Devices Inc.
ExerciseDirect7 shares at avg. $1.05$7.35 - Mar 2, 2026MASS
908 Devices Inc.
SaleDirect7 shares at avg. $7.00$49
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Apr 10, 2026 | MASS 908 Devices Inc. | Exercise | 2,693 | $1.05 | $2,828 | Direct |
| Apr 10, 2026 | MASS 908 Devices Inc. | Sale | 2,693 | $7.01 | $18,878 | Direct |
| Apr 9, 2026 | MASS 908 Devices Inc. | Exercise | 5,420 | $1.05 | $5,691 | Direct |
| Apr 9, 2026 | MASS 908 Devices Inc. | Sale | 5,420 | $7.03 | $38,103 | Direct |
| Apr 8, 2026 | MASS 908 Devices Inc. | Exercise | 18,580 | $1.05 | $19,509 | Direct |
| Apr 8, 2026 | MASS 908 Devices Inc. | Sale | 18,580 | $7.05 | $130,989 | Direct |
| Mar 2, 2026 | MASS 908 Devices Inc. | Exercise | 7 | $1.05 | $7 | Direct |
| Mar 2, 2026 | MASS 908 Devices Inc. | Sale | 7 | $7.00 | $49 | Direct |
1-8 of 8 transactions