SEC Form 4
Napco Security Technologies, Inc (NSSC) insider trading
In the 12 months to Oct 26, 2026, 3 NSSC insiders reported open-market sales of $33.7M across 5 filings; no open-market purchases were filed.
Latest filing · Last 12 months · Source: SEC EDGAR · How we count
- Open-market sales
- $33.7M
- 5 filings · 3 insiders
- Open-market purchases
- $0
- 0 filings
Who traded NSSC, and when
- Sale
NSSC daily close from Oct 27, 2025 to Oct 26, 2026, between $34.96 and $47.23, last $39.13. 5 sale and 0 purchase filings by 3 insiders, marked at their filing dates. Richard Soloway, CEO, Chairman of Board, Secy → Founder and Executive Chairman: sold $31.2M across 3 filings, first filed Feb 6, 2026, last Aug 28, 2026. Donna Anne Soloway, Director: sold $1.7M across 1 filing, first filed Aug 28, 2026, last Aug 28, 2026. Stephen M. Spinelli, Senior Vice president of Sales: sold $764.8K across 1 filing, first filed Nov 18, 2025, last Nov 18, 2025.
Largest mark · tap a row for others
Richard Soloway · Founder and Executive Chairman
Sale $16,524,024
475,000 shares at $34.79 avg
Filed Aug 28, 2026 · traded Aug 26
Close on filing date $35.35
Richard Soloway · CEO, Chairman of Board, Secy → Founder and Executive Chairman
CEO, Chairman of Board, Secy → Founder and Executive Chairman
$31.2M soldDonna Anne Soloway · Director
Director
$1.7M soldStephen M. Spinelli · Senior Vice president of Sales
Senior Vice president of Sales
$764.8K soldOpen-market trades
5 filings in the last 12 months| Insider | Role | Sold | Bought | Filings | Pre-arranged (10b5-1) | Last filed |
|---|---|---|---|---|---|---|
| Richard Soloway | CEO, Chairman of Board, Secy → Founder and Executive Chairman | $31.2M | — | 3 | — | |
| Donna Anne Soloway | Director | $1.7M | — | 1 | — | |
| Stephen M. Spinelli | Senior Vice president of Sales | $764.8K | — | 1 | — |
| Filed | Insider | Type | Shares | Avg price | Value | Held after | Source |
|---|---|---|---|---|---|---|---|
traded | Richard Soloway Founder and Executive Chairman | Sale | 475,000 | $34.79 | $16.5M | 621,958 | |
traded | Donna Anne Soloway Director | Sale | 48,962 | $35.40 | $1.7M | 0 | |
traded | Richard Soloway CEO, Chairman of Board, Secy | Sale | 185,000 | $44.46 | $8.2M | 1,096,958 | |
traded | Richard Soloway CEO, Chairman of Board, Secy | Sale | 150,000 | $42.74 | $6.4M | 1,256,010 | |
traded | Stephen M. Spinelli Senior Vice president of Sales | Sale | 19,000 | $40.25 | $764.8K | 928 |
GET /stocks/filings/vX/form-4?tickers=NSSC&filing_date.gte=2025-10-26&sort=filing_date.desc&limit=500{
"status": "OK",
"results": [
{
"tickers": [
"NSSC",
"NSSC.E"
],
"issuer_cik": "0000069633",
"owner_cik": "0001416646",
"accession_number": "0001416646-26-000002",
"form_type": "4",
"filing_date": "2026-08-28",
"period_of_report": "2026-08-26",
"issuer_name": "NAPCO SECURITY TECHNOLOGIES, INC",
"issuer_trading_symbol": "NSSC",
"owner_name": "Soloway Donna Anne",
"is_director": true,
"is_officer": false,
"is_ten_percent_owner": false,
"is_other": false,
"security_type": "non_derivative",
"record_type": "transaction",
"security_title": "Common Stock",
"transaction_timeliness": "O",
"aff_10b5_one": false,
"transaction_date": "2026-08-27",
"transaction_code": "S",
"equity_swap_involved": false,
"transaction_shares": 20962,
"transaction_price_per_share": 34.62,
"transaction_acquired_disposed": "D",
"shares_owned_following_transaction": 0,
"transaction_value": 725704.44,
"not_subject_to_section_16": false,
"direct_or_indirect": "D",
"footnotes": [
{
"id": "F2",
"description": "Represents the weighted average selling price of the shares. Actual selling prices ranged from $34.22 through $35.55."
}
]
},
{
"tickers": [
"NSSC",
"NSSC.E"
],
"issuer_cik": "0000069633",
"owner_cik": "0001416646",
"accession_number": "0001416646-26-000002",
"form_type": "4",
"filing_date": "2026-08-28",
"period_of_report": "2026-08-26",
"issuer_name": "NAPCO SECURITY TECHNOLOGIES, INC",
"issuer_trading_symbol": "NSSC",
"owner_name": "Soloway Donna Anne",
"is_director": true,
"is_officer": false,
"is_ten_percent_owner": false,
"is_other": false,
"security_type": "non_derivative",
"record_type": "transaction",
"security_title": "Common Stock",
"transaction_timeliness": "O",
"aff_10b5_one": false,
"transaction_date": "2026-08-26",
"transaction_code": "S",
"equity_swap_involved": false,
"transaction_shares": 28000,
"transaction_price_per_share": 35.98,
"transaction_acquired_disposed": "D",
"shares_owned_following_transaction": 20962,
"transaction_value": 1007439.9999999999,
"not_subject_to_section_16": false,
"direct_or_indirect": "D",
"footnotes": [
{
"id": "F1",
"description": "Represents the weighted average selling price of the shares. Actual selling prices ranged from $35.50 through $36.20."
}
]
}
]
}
// trimmed to 2 resultsThe response includes every Form 4 record; this page keeps open-market purchases and sales on common stock and removes duplicate joint-filer rows.
Other insider activity (not market trades) · 16 records
- Option exercises11 records
- Tax withholding5 records
Reported on Form 4 but not purchases or sales in the market, so not counted in the totals above.
How to read this page
- Open-market purchase or sale
- A buy or sell of the company's stock at market price. Grants, option exercises, shares withheld for tax, gifts and employee stock plan purchases are listed separately and not counted.
- Role
- The title on each filing. Someone whose title changed shows more than one.
- Filing date
- Insiders have two business days to report a trade. Totals and the chart use the filing date, when the trade became public.
Frequently asked questions
Has Napco Security Technologies, Inc's CEO sold stock?
Yes. Richard Soloway (CEO) sold 335,000 shares ($14.6M) between Feb 2026 and Mar 2026. Kevin S. Buchel (CEO) made no open-market sales filed as CEO in the last 12 months.
How current is NSSC’s insider data?
These are NSSC Form 4 filings from the last year, refreshed daily. The Massive Form 4 API has the full, continuously updated record.
What counts as an open-market buy or sell?
Only purchases and sales at the market price. Option exercises, grants, gifts, and shares withheld for taxes are reported on Form 4 but are left out of the buy and sell totals.
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Track NSSC insider trades with your agent
This page joins two Massive endpoints: Form 4 filings and daily prices. Ask an agent to watch for new filings:
Using the Massive API (massive.com/docs/llms.txt), check Form 4 filings for NSSC every day with transaction_code=P and tell me when an insider files an open-market purchase, with their role, shares, price and the filing link.
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