Arkolith/Insider Trading/MASS/Form 4

McCallion Kevin J.

SVP, Products and Production908 Devices Inc. (MASS) · full profile →Form 4 · filed Apr 14, 2026
Net Selling
Open-Market Buys
$0
Open-Market Sells
$19K
Net Open-Market Flow
-$19K
Transactions
3
2 non-derivative · 1 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Apr 10, 2026Option exercise(M)3K$1.05$3K48K
Apr 10, 2026Sell(S)3K$7.01$19K45K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Apr 10, 2026Option exercise(M)3K—$00

Transaction Codes

M
Option exercise / conversion
S
Open-market sale

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0002115341-26-000012) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML