Brandi C. Vann

CIK: 0002081945

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)1 (20.0%)

Derivative conversions

Awards (A)4 (80.0%)

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.

Director

Discretionary Trading P&L

Holdings

Transaction History (5 total)

MASS
908 Devices Inc.
Aug 1, 2026
Exercise(M)
Direct
5.2K shares-
MASS
908 Devices Inc.
Jun 11, 2026
Award(A)
Restricted Stock Units
Direct
13.7K shares-
MASS
908 Devices Inc.
Jun 11, 2026
Award(A)
Stock Option (option to buy)
Direct
6.2K shares-
MASS
908 Devices Inc.
Aug 1, 2025
Award(A)
Restricted Stock Unit
Direct
15.6K shares-
MASS
908 Devices Inc.
Aug 1, 2025
Award(A)
Stock Option (option to buy)
Direct
20.4K shares-

		Type	Shares	Price		Ownership
Aug 1, 2026	MASS 908 Devices Inc.	Exercise(M)	5,192	-	$0	Direct
Jun 11, 2026	MASS 908 Devices Inc.	Award(A) Restricted Stock Units	13,656	-	-	Direct
Jun 11, 2026	MASS 908 Devices Inc.	Award(A) Stock Option (option to buy)	6,209	-	-	Direct
Aug 1, 2025	MASS 908 Devices Inc.	Award(A) Restricted Stock Unit	15,577	-	-	Direct
Aug 1, 2025	MASS 908 Devices Inc.	Award(A) Stock Option (option to buy)	20,409	-	-	Direct

1-5 of 5 transactions

About Vann Brandi C

Vann Brandi C (SEC CIK 0002081945) files insider reports with the SEC as Director of 908 Devices Inc. (MASS).

Signal8 holds 4 ownership filings by Vann Brandi C (1 Form 3, 3 Form 4), filed between Aug 18, 2025 and Aug 3, 2026. Those filings report 5 transactions, from Aug 1, 2025 to Aug 1, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Vann Brandi C's filings is in BURLINGTON, MA.

Recent filings by Vann Brandi C

Aug 1, 2026: Option exercise of MASS shares (Form 4, code M).
Jun 11, 2026: Grants or awards of MASS derivative securities (2 lines, Form 4, code A).
Aug 1, 2025: Grants or awards of MASS derivative securities (2 lines, Form 4, code A).

Other insiders filing for 908 Devices Inc. (MASS)

Brown Christopher D., Director
Griffith Joseph H. IV, Chief Financial Officer
AWM Investment Company, Inc., 10% Owner
Kenneweg John, SVP, Sales & Product Marketing
Knopp Kevin J., President and CEO
Leonhart Michele M., Director

How to read Form 4 transaction codes