SEC Form 4 · Updated Daily
NSSC
— NAPCO SECURITY TECHNOLOGIES, INC. OwnershipInsider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| SOLOWAY RICHARD | Officer | 621,958 | 2026-08-27 | S |
| BUCHEL KEVIN S | Director · Officer | 79,179 | 2026-02-19 | F |
| CARRIERI MICHAEL | Officer | 26,610 | 2026-02-26 | F |
| Spinelli Stephen M | Officer | 11,688 | 2026-03-17 | F |
| BEEBER PAUL STEPHEN | Director | 2,681 | 2024-09-12 | S |
| Soloway Donna Anne | Director | 0 | 2026-08-27 | S |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2026-08-27 | Soloway Donna Anne | Open-market sale | 20,962 | $34.62 | 0 |
| 2026-08-27 | SOLOWAY RICHARD | Open-market sale | 379,529 | $34.50 | 621,958 |
| 2026-08-26 | Soloway Donna Anne | Open-market sale | 28,000 | $35.98 | 20,962 |
| 2026-08-26 | SOLOWAY RICHARD | Open-market sale | 95,471 | $35.93 | 1,001,487 |
| 2026-05-18 | Soloway Donna Anne | Option exercise (derivative) | 4,000 | $26.94 | 1,000 |
| 2026-05-18 | Soloway Donna Anne | Option exercise (derivative) | 3,600 | $4.35 | 0 |
| 2026-05-18 | Soloway Donna Anne | Option exercise | 4,000 | $26.94 | 48,962 |
| 2026-05-18 | Soloway Donna Anne | Option exercise | 10,000 | $22.93 | 44,962 |
| 2026-05-18 | Soloway Donna Anne | Option exercise | 7,500 | $11.68 | 34,962 |
| 2026-05-18 | Soloway Donna Anne | Option exercise | 8,000 | $15.27 | 27,462 |
| 2026-05-18 | Soloway Donna Anne | Option exercise | 8,000 | $8.10 | 19,462 |
| 2026-05-18 | Soloway Donna Anne | Option exercise | 3,600 | $4.35 | 11,462 |
| 2026-03-17 | Spinelli Stephen M | Option exercise (derivative) | 13,972 | $10.02 | 9,980 |
| 2026-03-17 | Spinelli Stephen M | Tax withholding | 3,212 | $43.59 | 11,688 |
| 2026-03-17 | Spinelli Stephen M | Option exercise | 13,972 | $10.02 | 14,900 |
| 2026-03-03 | SOLOWAY RICHARD | Open-market sale | 55,318 | $43.22 | 1,096,958 |
| 2026-03-02 | SOLOWAY RICHARD | Open-market sale | 129,682 | $44.99 | 1,152,276 |
| 2026-02-26 | CARRIERI MICHAEL | Option exercise (derivative) | 10,000 | $22.50 | 0 |
| 2026-02-26 | CARRIERI MICHAEL | Tax withholding | 6,651 | $47.23 | 26,610 |
| 2026-02-26 | CARRIERI MICHAEL | Option exercise | 10,000 | $22.50 | 33,261 |
| 2026-02-19 | BUCHEL KEVIN S | Option exercise (derivative) | 50,000 | $22.50 | 47,584 |
| 2026-02-19 | BUCHEL KEVIN S | Tax withholding | 33,560 | $44.98 | 79,179 |
| 2026-02-19 | BUCHEL KEVIN S | Option exercise | 50,000 | $22.50 | 112,739 |
| 2026-02-19 | BUCHEL KEVIN S | Option exercise (derivative) | 50,000 | $22.50 | 47,584 |
| 2026-02-19 | BUCHEL KEVIN S | Tax withholding | 33,560 | $44.98 | 79,179 |
| 2026-02-19 | BUCHEL KEVIN S | Option exercise | 50,000 | $22.50 | 112,739 |
| 2026-02-10 | SOLOWAY RICHARD | Option exercise (derivative) | 8,000 | $26.94 | 2,000 |
| 2026-02-10 | SOLOWAY RICHARD | Option exercise (derivative) | 100,000 | $22.50 | 0 |
| 2026-02-10 | SOLOWAY RICHARD | Tax withholding | 7,174 | $42.63 | 1,281,958 |
| 2026-02-10 | SOLOWAY RICHARD | Option exercise | 8,000 | $26.94 | 1,289,132 |
| 2026-02-10 | SOLOWAY RICHARD | Tax withholding | 74,878 | $42.63 | 1,281,132 |
| 2026-02-10 | SOLOWAY RICHARD | Option exercise | 100,000 | $22.50 | 1,356,010 |
| 2026-02-05 | SOLOWAY RICHARD | Open-market sale | 150,000 | $42.74 | 1,256,010 |
| 2025-11-17 | Spinelli Stephen M | Open-market sale | 19,000 | $40.25 | 928 |
| 2025-09-17 | CARRIERI MICHAEL | Option exercise (derivative) | 2,000 | $26.94 | 2,000 |
| 2025-09-17 | CARRIERI MICHAEL | Option exercise (derivative) | 10,000 | $22.50 | 10,000 |
| 2025-09-17 | CARRIERI MICHAEL | Tax withholding | 1,271 | $42.40 | 23,261 |
| 2025-09-17 | CARRIERI MICHAEL | Option exercise | 2,000 | $26.94 | 24,532 |
| 2025-09-17 | CARRIERI MICHAEL | Tax withholding | 5,305 | $42.40 | 22,532 |
| 2025-09-17 | CARRIERI MICHAEL | Option exercise | 10,000 | $22.50 | 27,837 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.