908 DEVICES INC

Ticker: MASS CUSIP: 65443P102 Class: Common Stock

Charter Oak Capital Management, LLC's Holding History (CIK: 0001810720)

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

Q3 2021
Shares 5,000 Value ($000) $163 Avg Close $33.97 Range $29.20 - $39.81
Q2 2021
Shares 5,000 Value ($000) $194 Avg Close $45.29 Range $33.71 - $55.83
Q1 2021
Shares 5,000 Value ($000) $243 Avg Close $57.14 Range $38.88 - $79.60