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NSSC

NAPCO SECURITY TECHNOLOGIES (NSSC) stock: insider trades, news & valuation

Heavy selling
Close · Oct 9, 2026 $36.14 +2.8% on the day -14.4% over 12 months 52-week range $34.65 – $46.65

Share price and insider trades

NSSC closeInsider buyInsider sale
3035404550NovDecJan 2026FebMarAprMayJunJulAugSepOctSold $764,750 on 2025-11-17 · Stephen M SpinelliSold $2,390,844 on 2026-03-03 · Richard SolowaySold $4,437,713 on 2026-08-26 · Donna Anne Soloway, Richard SolowaySold $5,834,393 on 2026-03-02 · Richard SolowaySold $6,411,000 on 2026-02-05 · Richard SolowaySold $13,819,455 on 2026-08-27 · Donna Anne Soloway, Richard Soloway
Bought, 12 months$0
Sold, 12 months$33.7M
Insiders buying0
Insiders selling3

NAPCO SECURITY TECHNOLOGIES insider trading at a glance (Oct 9, 2026): in the past 12 months, 0 insiders bought $0 and 3 sold $33.7M of NSSC stock on the open market.

NSSC insider buying and selling by quarter

Open-market purchases (green, above the line) and sales (red, below), by trade date.

Q4 2025: $765K sold (1 trades)Q4 2025Q1 2026: $14.6M sold (3 trades)Q1 2026Q2 2026Q3 2026: $18.3M sold (4 trades)Q3 2026Q4 2026
QuarterBoughtPurchasesSoldSales
Q4 2026—0—0
Q3 2026—0$18.3M4
Q2 2026—0—0
Q1 2026—0$14.6M3
Q4 2025—0$765K1

Valuation, profit and volume

P/E (trailing)n/aSector median —
Market value— 
Profit margin—Revenue growth —
Volume vs. 50-day0.8×Last 5 sessions
Insiders' paper profit—On all tracked purchases —

Summary

Over the past 12 months, 0 NAPCO SECURITY TECHNOLOGIES, INC insiders reported open-market purchases totaling $0, while 3 insiders reported sales totaling $33.7M. 0 of 8 recorded sales were made under pre-scheduled Rule 10b5-1 trading plans, which are usually less informative than discretionary sales.

Insider transactions

Open-market purchases and sales.

Filed Insider Type Shares Price Value Since Score
Aug 28SEC Richard SolowayChair Sell 379,529621,958 held (−38%) $34.50 $13.1M +4.8% —
Aug 28SEC Richard SolowayChair Sell 95,4711,001,487 held (−9%) $35.93 $3.4M +0.6% —
Aug 28SEC Donna Anne SolowayDirector Sell 28,00020,962 held (−57%) $35.98 $1.0M +0.4% —
Aug 28SEC Donna Anne SolowayDirector Sell 20,962 $34.62 $726K +4.4% —
Mar 4SEC Richard SolowayCEO, Chair Sell 129,6821,152,276 held (−10%) $44.99 $5.8M -19.7% —
Mar 4SEC Richard SolowayCEO, Chair Sell 55,3181,096,958 held (−5%) $43.22 $2.4M -16.4% —
Feb 6SEC Richard SolowayCEO, Chair Sell 150,0001,256,010 held (−11%) $42.74 $6.4M -15.4% —
Nov 18SEC Stephen M SpinelliPresident Sell 19,000928 held (−95%) $40.25 $765K -10.2% —

Insiders at NAPCO SECURITY TECHNOLOGIES, INC

InsiderBoughtSoldLast filingScore
Richard SolowayChair — $31.2M Aug 28, 2026 —
Donna Anne SolowayDirector — $1.7M Aug 28, 2026 —
Stephen M SpinelliPresident — $765K Nov 18, 2025 —

NSSC stock: common questions

Are NAPCO SECURITY TECHNOLOGIES, INC insiders buying NSSC stock?

In the past 12 months, 0 insiders reported open-market purchases of NSSC worth $0.

Are NAPCO SECURITY TECHNOLOGIES, INC insiders selling NSSC stock?

3 insiders reported sales worth $33.7M over the same period.

Where does this data come from?

Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.

What is NSSC's 52-week range?

Over the past year NSSC has traded between $34.65 and $46.65. It last closed at $36.14 on Oct 9, 2026.