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sellModerate

Stephen M Spinelli sold $765k of NSSC

Senior Vice president of Sales at NAPCO SECURITY TECHNOLOGIES, INC. 19,000 shares at an average of $40.25, traded Nov 17, 2025, filed Nov 18, 2025.

Warning score
57
Value
$765k
19,000 shares
Holdings after
928
-95% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet

Score components

  • Role
    Officer
    +15
  • Trade size
    $765k at market
    +22
  • Share of holdings sold
    Sold 95% of holdings
    +20
  • Cluster
    No other insider selling within 14 days
    0

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

This signal so far: 1m +11.8%, 3m +12.7%, 6m -8.2%.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

NSSCOct 12, 2026 · close 36.20
Since filing Nov 18, 2025: -6.4%SPY +19.1% · excess -25.6%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001812385-25-000005, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Nov 17, 2025SOpen-market sale
Common Stock
-19,000$40.25$765k928Nov 18, 2025

Related signals

Other insiders at NAPCO SECURITY TECHNOLOGIES, INC and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
63Notable
NSSCsell 2
NAPCO SECURITY TECHNOLOGIES, INC
Richard Soloway
Founder and Executive Chairman
$17M
475,000 shares
-43%
68Notable
NSSCsell 2
NAPCO SECURITY TECHNOLOGIES, INC
Donna Anne Soloway
director
$1.7M
48,962 shares
-100%
55Moderate
NSSCsell
NAPCO SECURITY TECHNOLOGIES, INC
Richard Soloway
CEO, Chairman of Board, Secy
$8.2M
185,000 shares
-14%
55Moderate
NSSCsell
NAPCO SECURITY TECHNOLOGIES, INC
Richard Soloway
CEO, Chairman of Board, Secy
$6.4M
150,000 shares
-11%
31Weak
NSSCsell
NAPCO SECURITY TECHNOLOGIES, INC
Stephen M Spinelli
Senior Vice President of Sales
$146k
5,000 shares
-20%
10Weak
NSSCsell
NAPCO SECURITY TECHNOLOGIES, INC
Paul Stephen Beeber
director
$26k
708 shares
-21%
39Weak
NSSCsell 2
NAPCO SECURITY TECHNOLOGIES, INC
Stephen M Spinelli
Senior Vice President of Sales
$156k
3,000 shares
-11%
39Weak
NSSCsell 2
NAPCO SECURITY TECHNOLOGIES, INC
Paul Stephen Beeber
director
$45k
860 shares
-25%
55Moderate
NSSCsell
NAPCO SECURITY TECHNOLOGIES, INC
Richard Soloway
CEO, Chairman, Secy
$11M
250,000 shares
-15%
50Moderate
NSSCsell
NAPCO SECURITY TECHNOLOGIES, INC
Richard Soloway
Pres, CEO, Chairman, Secy
$2.0M
50,000 shares
-3%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Stephen M Spinelli sold $765k of NSSC | InsiderTell