NAPCO Security Technologies Inc develops, manufactures, and distributes security products, including access control systems, door security products, intrusion and fire alarm systems, alarm communication services, and video surveillance products for commercial and residential use. The Company also provides wireless communication services for intrusion and fire alarm systems. Its products include Intrusion and Access Alarm Products, Door Locking Devices and Services. The products are used for commercial, residential, institutional, industrial and governmental applications and are sold principally to independent distributors, dealers and installers of security equipment. The Company generates maximum revenue from the United States.
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 4 | 523,962 | $18.26M |
12 Form 4 filings on record, the earliest from Sep 17, 2025, newest first.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Open-market sale | Common Stock | 95,471 | $35.93 | $3.43M | ||
| Open-market sale | Common Stock | 379,529 | $34.50 | $13.09M | ||
| Donna Anne Soloway - Director | Open-market sale | Common Stock | 28,000 | $35.98 | $1.01M | |
| Donna Anne Soloway - Director | Open-market sale | Common Stock | 20,962 | $34.62 | $726K | |
| Donna Anne Soloway - Director | Option exercise | Common Stock | 3,600 | $4.35 | $16K | |
| Donna Anne Soloway - Director | Option exercise | Common Stock | 8,000 | $8.10 | $65K | |
| Donna Anne Soloway - Director | Option exercise | Common Stock | 8,000 | $15.27 | $122K | |
| Donna Anne Soloway - Director | Option exercise | Common Stock | 7,500 | $11.68 | $88K | |
| Donna Anne Soloway - Director | Option exercise | Common Stock | 10,000 | $22.93 | $229K | |
| Donna Anne Soloway - Director | Option exercise | Common Stock | 4,000 | $26.94 | $108K | |
| Donna Anne Soloway - Director | Option exercise | Non-Employee Stock Option (Right to Buy) | 3,600 | $4.35 | $16K | |
| Donna Anne Soloway - Director | Option exercise | Non-Employee Stock Option (Right to Buy) | 8,000 | $8.10 | $65K | |
| Donna Anne Soloway - Director | Option exercise | Non-Employee Stock Option (Right to Buy) | 8,000 | $15.27 | $122K | |
| Donna Anne Soloway - Director | Option exercise | Non-Employee Stock Option (Right to Buy) | 7,500 | $11.68 | $88K | |
| Donna Anne Soloway - Director | Option exercise | Non-Employee Stock Option (Right to Buy) | 10,000 | $22.93 | $229K | |
| Donna Anne Soloway - Director | Option exercise | Non-Employee Stock Option (Right to Buy) | 4,000 | $26.94 | $108K | |
| Stephen M. Spinelli - Officer | Option exercise | Common Stock | 13,972 | $10.02 | $140K | |
| Stephen M. Spinelli - Officer | Option exercise | Employee Stock Option (Right to Buy) | 13,972 | $10.02 | $140K | |
| Stephen M. Spinelli - Officer | Tax withholding / forfeiture | Common Stock | 3,212 | $43.59 | $140K | |
| Open-market sale | Common Stock | 129,682 | $44.99 | $5.83M | ||
| Open-market sale | Common Stock | 55,318 | $43.22 | $2.39M | ||
| Michael Carrieri - Officer | Option exercise | Common Stock | 10,000 | $22.50 | $225K | |
| Michael Carrieri - Officer | Option exercise | Employee Stock Option (Right to Buy) | 10,000 | $22.50 | $225K | |
| Michael Carrieri - Officer | Tax withholding / forfeiture | Common Stock | 6,651 | $47.23 | $314K | |
| Kevin S. Buchel - Officer | Option exercise | Common Stock | 50,000 | $22.50 | $1.12M | |
| Kevin S. Buchel - Officer | Tax withholding / forfeiture | Common Stock | 33,560 | $44.98 | $1.51M | |
| Kevin S. Buchel - Officer | Option exercise | Employee Stock Option (Right to Buy) | 50,000 | $22.50 | $1.12M | |
| Kevin S. Buchel - Officer | Option exercise | Common Stock | 50,000 | $22.50 | $1.12M | |
| Kevin S. Buchel - Officer | Option exercise | Employee Stock Option (Right to Buy) | 50,000 | $22.50 | $1.12M | |
| Kevin S. Buchel - Officer | Tax withholding / forfeiture | Common Stock | 33,560 | $44.98 | $1.51M | |
| Option exercise | Common Stock | 100,000 | $22.50 | $2.25M | ||
| Option exercise | Common Stock | 8,000 | $26.94 | $216K | ||
| Option exercise | Employee Stock Option (Right to Buy) | 100,000 | $22.50 | $2.25M | ||
| Tax withholding / forfeiture | Common Stock | 74,878 | $42.63 | $3.19M | ||
| Tax withholding / forfeiture | Common Stock | 7,174 | $42.63 | $306K | ||
| Option exercise | Employee Stock Option (Right to Buy) | 8,000 | $26.94 | $216K | ||
| Open-market sale | Common Stock | 150,000 | $42.74 | $6.41M | ||
| Stephen M. Spinelli - Officer | Open-market sale | Common Stock | 19,000 | $40.25 | $765K | |
| Michael Carrieri - Officer | Option exercise | Common Stock | 10,000 | $22.50 | $225K | |
| Michael Carrieri - Officer | Tax withholding / forfeiture | Common Stock | 5,305 | $42.40 | $225K | |
| Michael Carrieri - Officer | Option exercise | Common Stock | 2,000 | $26.94 | $54K | |
| Michael Carrieri - Officer | Tax withholding / forfeiture | Common Stock | 1,271 | $42.40 | $54K | |
| Michael Carrieri - Officer | Option exercise | Employee Stock Option (Right to Buy) | 10,000 | $22.50 | $225K | |
| Michael Carrieri - Officer | Option exercise | Employee Stock Option (Right to Buy) | 2,000 | $26.94 | $54K |
A Form 144 is notice of an INTENDED sale, not a completed one. It often precedes the Form 4 that reports the trade actually happening.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| RICHARD SOLOWAY | Officer, Director | 379,529 | $13.10M | View on EDGAR | |
| DONNA SOLOWAY | Officer, Director | 20,962 | $727K | View on EDGAR | |
| DONNA SOLOWAY | Officer, Director | 28,000 | $1.01M | View on EDGAR |
NAPCO SECURITY TECHNOLOGIES, INC (NSSC) had 2 insider filings in the last 90 days, with the most recent on 2026-08-28. The full record for NSSC runs to 12 Form 4 filings, the earliest from 2025-09-17. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
No insider purchases of NSSC were filed in the last 90 days.
4 insider sales of NSSC were filed in the last 90 days, totaling $18.26M.
This page tracks NSSC Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
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Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
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