Form 4 for NSSC NAPCO SECURITY TECHNOLOGIES, INC
Accepted 2025-09-18 00:00:00 ET · period of report 2025-09-17 · accession 0001256086-25-000003 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DM | 2025-09-18 | 2025-09-17 | NSSC | CARRIERI MICHAEL | Executive VP of Engineering | F - Tax | $42.40 | -6,576 | 22.5K | -23% | -$278.8K |
| DM | 2025-09-18 | 2025-09-17 | NSSC | CARRIERI MICHAEL | Executive VP of Engineering | M - OptEx | $23.24 | +12.0K | 24.5K | +96% | +$278.9K |
| DM | 2025-09-18 | 2025-09-17 | NSSC | CARRIERI MICHAEL | Executive VP of Engineering | M - OptEx | $23.24 | -12.0K | 2,000 | -86% | -$278.9K |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2025-09-17 | F | D | 1,271 | $42.40 | 23,261 | D | — | — | (F1) Represents shares owned by the reporting person and used to pay exercise price. |
| 2 | Common | Common Stock | 2025-09-17 | F | D | 5,305 | $42.40 | 22,532 | D | — | — | (F1) Represents shares owned by the reporting person and used to pay exercise price. |
| 3 | Common | Common Stock | 2025-09-17 | M | A | 10,000 | $22.50 | 27,837 | D | — | — | |
| 4 | Common | Common Stock | 2025-09-17 | M | A | 2,000 | $26.94 | 24,532 | D | — | — | |
| 5 | Derivative | Employee Stock Option (Right to Buy) | 2025-09-17 | M | D | 10,000 | $22.50 | 10,000 | D | $22.50 · 2021-10-19 to 2031-10-19 | 10,000 Common Stock | (F2) Exercisable, cumulatively, at 20% per year commencing October 21, 2021. |
| 6 | Derivative | Employee Stock Option (Right to Buy) | 2025-09-17 | M | D | 2,000 | $26.94 | 2,000 | D | $26.94 · 2022-08-25 to 2032-08-25 | 2,000 Common Stock | (F3) Exercisable, cumulatively, at 20% per year commencing August 25, 2022. |