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John Kenneweg, SVP, Sales & Product Marketing at 908 Devices, sold MASS on Sep 17, 2026

Data as of Oct 16

▼ SELL$53.7K5,257 shares at $10.22John Kenneweg SVP, Sales & Product MarketingMASS 908 Devices Inc.
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Traded
Sep 17, 2026
Disclosed
Sep 17, 2026
Filed
The same day

Form 4s are due within two business days.

Official filing (SEC Form 4) ↗

The price around the disclosure

John Kenneweg, SVP, Sales & Product Marketing at 908 Devices, sold MASS on Sep 17, 2026TRADEDDISCLOSED
MASSSimilar stocks (XLV — its sector index fund), rebased to MASS's price on the disclosure day
MASS since disclosure
+2.6%
after the sale
Similar stocks (XLV) since disclosure
+4.7%
XLV — its sector index fund

Change in closing price from Sep 17, 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. ▼ SELLJohn Kenneweg SVP, Sales & Product MarketingMASS 908 Devices Inc.$216Kdisclosed Sep 17 · filed 1 day after the trade
  2. ▼ SELLJohn Kenneweg SVP, Sales & Product MarketingMASS 908 Devices Inc.$10Kdisclosed Sep 17 · filed 2 days after the trade

See every trade on MASS →