MCCALLION KEVIN J.

PrivateCIK: 2115341
Location

BURLINGTON, MA

MCCALLION KEVIN J. (SVP, Products and Production) sold 5.7% of their position (2.69K shares) of 908 DEVICES INC. on the open market

Open‑market sale worth $18.9K — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderMCCALLION KEVIN J.CIK 2115341
Issuer908 DEVICES INC.CIK 1555279
Officer· SVP, Products and Production
Since Feb 2026
-2.69K
Net shares
Net seller
$18.9K
Total sold
1
Open market trades
0B · 1S
3
Total transactions
2.69K acquired · 5.39K disposed
Non-Derivative Transactions2

Common Stock

Direct
M · Option Exercise

Shares

+2.69K

Price / share

$1.05

Trade value

$2.83K

% of position

6.0%
4/10/2026
44.92K47.62K

Common Stock

Direct
S · Sale

Shares

2.69K

Price / share

$7.01

Trade value

$18.88K

% of position

5.7%
4/10/2026
47.62K44.92K
Total

Net shares

+0.00

Net value

-$16.05K

Derivative Transactions1

Stock Option (right to buy)

Direct
M · Option Exercise
Converts to

Common Stock

2.69K shares

Shares

2.69K

Strike price

1.05

Held after

0.00

Exercisable

4/10/2026
MCCALLION KEVIN J. — Insider Transaction (Form 4) Filed Apr 14, 2026 | Finecho