NAPCO Security Technologies Inc
Ownership
Ownership Structure
Who owns NAPCO Security Technologies Inc (NSSC)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 97.7% of the shares are freely tradable; institutional investors hold 100.8%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 15.88 | 5,681,770 | +76.2 | 03/31/2026 |
| Copeland Capital Management, LLC | 5.64 | 2,016,873 | +0.4 | 06/30/2026 |
| Vanguard Capital Management, LLC | 4.21 | 1,505,177 | +0.0 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 4.09 | 1,464,212 | +0.0 | 03/31/2026 |
| State Street Corp | 4.00 | 1,431,503 | +59.7 | 03/31/2026 |
| HHG PLC | 3.98 | 1,424,963 | -9.2 | 03/31/2026 |
| First Trust Advisors L.P. | 3.65 | 1,304,074 | +90.3 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 6.08 | 2,175,546 | +0.0 | 08/31/2026 |
| Smithson Investment Trust Ord | 4.98 | 1,779,857 | +0.0 | 11/30/2025 |
| First Trust SMID Cp Rising Div Achv ETF | 3.47 | 1,241,154 | +0.1 | 08/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Soloway Richard | Founder and Executive Chairman | 621,958 | 22,452,684 $ | Aug 27, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 27, 2026 | Soloway Donna Anne | Director | Sell | 20,962 | 34.62 | 725,704 |
| Aug 27, 2026 | Soloway Richard | Founder and Executive Chairman | Sell | 379,529 | 34.50 | 13,093,751 |
| Aug 26, 2026 | Soloway Donna Anne | Director | Sell | 28,000 | 35.98 | 1,007,440 |
| Aug 26, 2026 | Soloway Richard | Founder and Executive Chairman | Sell | 95,471 | 35.93 | 3,430,273 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: September 18, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.