Arkolith/Insider Trading/NSSC/Form 4

Spinelli Stephen M

Senior Vice President of SalesNAPCO SECURITY TECHNOLOGIES, INC (NSSC) · full profile →Form 4 · filed Mar 19, 2026
No Open-Market Flow
Open-Market Buys
$0
Open-Market Sells
$0
Net Open-Market Flow
$0
Transactions
3
2 non-derivative · 1 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Mar 17, 2026Tax withholding(F)3K$43.59$140K12K
Mar 17, 2026Option exercise(M)14K$10.02$140K15K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Mar 17, 2026Option exercise(M)14K$10.02$140K10K

Transaction Codes

F
Shares withheld for taxes
M
Option exercise / conversion

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001812385-26-000001) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML