908 DEVICES INC

Ticker: MASS CUSIP: 65443P102 Class: Common Stock

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

Note: Option positions (PUT/CALL) are excluded.

Q1 2025
Shares 3,516 Value ($000) $0 Avg Close $2.96 Range $1.92 - $4.80
Q4 2024
Shares 4,857 Value ($000) $0 Avg Close $2.86 Range $1.81 - $4.05
Q3 2024
Shares 369 Value ($000) $0 Avg Close $4.44 Range $3.42 - $6.30
Q2 2023
Shares 392 Value ($000) $0 Avg Close $8.04 Range $5.69 - $10.37
Q4 2022
Shares 2,771 Value ($000) $0 Avg Close $12.10 Range $6.87 - $18.02
Q3 2022
Shares 726 Value ($000) $11 Avg Close $19.42 Range $14.86 - $26.00
Q1 2022
Shares 880 Value ($000) $16 Avg Close $17.19 Range $12.60 - $26.63