Insider · CIK 0001812385
Stephen M Spinelli
Files at NSSC (NAPCO SECURITY TECHNOLOGIES, INC). First filing Jun 6, 2025, latest Nov 18, 2025.
Stephen M Spinelli files SEC Form 4 as officer at NSSC (NAPCO SECURITY TECHNOLOGIES, INC). Since Jun 6, 2025, Stephen M Spinelli has reported 0 open-market buys worth $0 and 2 open-market sells worth $911k, the latest filed on Nov 18, 2025.
A track record needs three past buys with six months of prices behind them; Stephen M Spinelli has 0, so none is measured yet.
The newest scored trade: sold $765k of NSSC on Nov 17, 2025, filed Nov 18, 2025, scored 57 (moderate). In the last 12 months: 0 buys worth $0 and 1 sell worth $765k.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
NSSC: NAPCO SECURITY TECHNOLOGIES, INC
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 57Moderate | NSSCsell NAPCO SECURITY TECHNOLOGIES, INC | $765k 19,000 shares | -95% | - | |
| 31Weak | NSSCsell NAPCO SECURITY TECHNOLOGIES, INC | $146k 5,000 shares | -20% | - |
Planned sales
Form 144 notices this insider filed before selling restricted or control stock, newest first.
| Filed | Company | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Nov 7, 2025 | NSSC NAPCO SECURITY TECHNOLOGIES, INC | 19,000 0.05% of outstanding | $789k | Nov 10, 2025 | none |
| May 30, 2025 | NSSC NAPCO SECURITY TECHNOLOGIES, INC | 5,000 0.01% of outstanding | $140k | Jun 2, 2025 | none |
Transactions
Every row this insider has filed, 5 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Mar 17, 2026 | NSSC NAPCO SECURITY TECHNOLOGIES, INC | MOption exercise Common Stock | +13,972 | $10.02 | $140k | 14,900 | Mar 19, 2026 |
| Mar 17, 2026 | NSSC NAPCO SECURITY TECHNOLOGIES, INC | FTax withholding Common Stock | -3,212 | $43.59 | $140k | 11,688 | Mar 19, 2026 |
| Mar 17, 2026 | NSSC NAPCO SECURITY TECHNOLOGIES, INC | MOption exercise Employee Stock Option (Right to Buy)derivative | -13,972 | $10.02 | $140k | 9,980 | Mar 19, 2026 |
| Nov 17, 2025 | NSSC NAPCO SECURITY TECHNOLOGIES, INC | SOpen-market sale Common Stock | -19,000 | $40.25 | $765k | 928 | Nov 18, 2025 |
| Jun 6, 2025 | NSSC NAPCO SECURITY TECHNOLOGIES, INC | SOpen-market sale Common Stock | -5,000 | $29.16 | $146k | 19,928 | Jun 6, 2025 |
Questions about Stephen M Spinelli
Answered from the filings on this page, as of the latest one.
Is Stephen M Spinelli buying or selling?
In the last 12 months Stephen M Spinelli reported 0 open-market buys worth $0 and 1 open-market sell worth $765k on SEC Form 4; the latest was sold $765k of NSSC on Nov 17, 2025. Grants, option exercises and tax withholding are not counted.
How did Stephen M Spinelli's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Stephen M Spinelli has 0.
Where does Stephen M Spinelli file Form 4?
Stephen M Spinelli has filed Form 4 at NSSC (NAPCO SECURITY TECHNOLOGIES, INC) as Senior Vice President of Sales. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
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.