All insiders/SEC Form 4 history

Mccallion Kevin J.

SVP, Products and ProductionCIK 2115341 ↗

6 Form 4 transactions across 1 company, 2026-04-08 → 2026-04-10.

Total disclosed
$216K
Buys
$28K
Sells
$188K
Win rate · live
50%

Holdings

Marked using shares-after from the latest filing × live quote
Company
Trades
Holding value
Last trade
Avg buy / sell
% since last
MASS
908 Devices Inc.
SVP, Products and Production
6
$353K
47.6K sh
BUY
2026-04-10
$1.05
$7.04
+606.7%

Insider trade history

6 disclosed transactions
DateTickerCodeSharesPriceValueNow% since
2026-04-10MASSM↑2.7K$1.05$3K$7.42+606.7%
2026-04-10MASSS↓2.7K$7.01$19K$7.42+5.8%
2026-04-09MASSM↑5.4K$1.05$6K$7.42+606.7%
2026-04-09MASSS↓5.4K$7.03$38K$7.42+5.5%
2026-04-08MASSM↑18.6K$1.05$20K$7.42+606.7%
2026-04-08MASSS↓18.6K$7.05$131K$7.42+5.2%

Form 4 codes: P open-market buy · S open-market sell · A grant/award · M option exercise · F tax withholding · G gift. % since is the move from the trade-day reported price to the live quote.