Skip to content

AWM Investment Company, Inc., 10% owner at 908 Devices, sold MASS on Aug 21, 2026

Data as of Oct 16

▼ SELL$441K41,578 shares at $10.61AWM Investment Company, Inc. 10% ownerMASS 908 Devices Inc.
Watch MASS
Traded
Aug 21, 2026
Disclosed
Aug 24, 2026
Filed
3 days after the trade

Form 4s are due within two business days.

Official filing (SEC Form 4) ↗

The price around the disclosure

AWM Investment Company, Inc., 10% owner at 908 Devices, sold MASS on Aug 21, 2026TRADEDDISCLOSED
MASSSimilar stocks (XLV — its sector index fund), rebased to MASS's price on the disclosure day
MASS since disclosure
+3.1%
after the sale
Similar stocks (XLV) since disclosure
+1.2%
XLV — its sector index fund

Change in closing price from Aug 24, 2026 (the first trading day on or after disclosure) to Oct 16, 2026. Dividends excluded. Not a return anyone earned.

Our take

None of our tested rules fired on this trade.

Other trades in the same filing

  1. ▼ SELLAWM Investment Company, Inc. 10% ownerMASS 908 Devices Inc.$88.6Kdisclosed Aug 24 · filed 4 days after the trade

See every trade on MASS →