Arkolith/Insider Trading/MASS/Form 4/A

McCallion Kevin J.

SVP, Products and Production908 Devices Inc. (MASS) · full profile →Form 4/A · filed Mar 5, 2026
Net Selling
Open-Market Buys
$0
Open-Market Sells
$49
Net Open-Market Flow
-$49
Transactions
3
2 non-derivative · 1 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Mar 2, 2026Option exercise(M)7$1.05$745K
Mar 2, 2026Sell(S)7$7.00$4945K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Mar 2, 2026Option exercise(M)7—$027K

Transaction Codes

M
Option exercise / conversion
S
Open-market sale

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4/A filing (accession 0002115341-26-000008) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4/A XML