Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 74 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

74 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Feb. 9, 2024 NSSC S 5,200 $45.92 $238,784 14,232 Direct -26.76% Disposed -20.2% (price as of 2026-10-06)
Nov. 30, 2022 NSSC S 9,000 $26.04 $234,360 5,200 Direct -63.38% Disposed 40.7% (price as of 2026-10-06)
Nov. 23, 2022 NSSC S 9,000 $26.45 $238,050 14,200 Direct -38.79% Disposed 38.5% (price as of 2026-10-06)
March 1, 2021 NSSC S 5,834 $32.60 $190,188 0 Direct -100.00% Disposed 124.8% (price as of 2026-10-06)
June 10, 2020 NSSC S 4,556 $25.00 $113,900 5,834 Direct -43.85% Disposed 193.1% (price as of 2026-10-06)
June 8, 2020 NSSC S 15,444 $25.00 $386,100 10,390 Direct -59.78% Disposed 193.1% (price as of 2026-10-06)
Feb. 12, 2020 NSSC S 28,638 $23.09 $661,251 25,834 Direct -52.57% Disposed 217.4% (price as of 2026-10-06)
Feb. 10, 2020 NSSC S 18,266 $22.57 $412,264 54,472 Direct -25.11% Disposed 224.7% (price as of 2026-10-06)
Feb. 7, 2020 NSSC S 13,096 $22.52 $294,922 72,738 Direct -15.26% Disposed 225.4% (price as of 2026-10-06)
Feb. 7, 2019 NSSC S 25,000 $19.57 $489,250 85,826 Direct -22.56% Disposed 274.5% (price as of 2026-10-06)
March 17, 2017 NSSC S 620 $10.64 $6,597 103,850 Direct -0.59% Disposed 588.7% (price as of 2026-10-06)
March 16, 2017 NSSC S 5,000 $10.61 $53,050 104,470 Direct -4.57% Disposed 590.7% (price as of 2026-10-06)
March 15, 2017 NSSC S 6,139 $10.46 $64,214 109,470 Direct -5.31% Disposed 600.6% (price as of 2026-10-06)
March 13, 2017 NSSC S 3,241 $10.20 $33,058 115,609 Direct -2.73% Disposed 618.4% (price as of 2026-10-06)
Sept. 24, 2013 NSSC S 4,500 $5.11 $22,995 113,500 Direct -3.81% Disposed 1334.1% (price as of 2026-10-06)
Sept. 23, 2013 NSSC S 5,000 $5.13 $25,650 120,500 Direct -3.98% Disposed 1328.5% (price as of 2026-10-06)
Sept. 23, 2013 NSSC S 2,500 $5.11 $12,775 118,000 Direct -2.07% Disposed 1334.1% (price as of 2026-10-06)
Sept. 13, 2006 NSSC P 1,000 $6.24 $6,240 107,500 Direct +0.94% Acquired 1074.4% (price as of 2026-10-06)
Sept. 13, 2006 NSSC P 1,000 $6.24 $6,240 72,000 Direct +1.41% Acquired 1074.4% (price as of 2026-10-06)
Feb. 13, 2006 NSSC S 25,000 $13.68 $342,000 35,000 Direct -41.67% Disposed 703.5% (price as of 2026-10-06)
June 15, 2005 NSSC S 668 $9.90 $6,613 40,000 Direct -1.64% Disposed 1565.5% (price as of 2026-10-06)
June 14, 2005 NSSC S 1,300 $9.80 $12,740 40,668 Direct -3.10% Disposed 1582.4% (price as of 2026-10-06)
June 13, 2005 NSSC S 4,700 $9.80 $46,060 41,968 Direct -10.07% Disposed 1582.4% (price as of 2026-10-06)
June 10, 2005 NSSC S 130 $9.80 $1,274 46,668 Direct -0.28% Disposed 1582.4% (price as of 2026-10-06)
June 9, 2005 NSSC S 13,202 $9.49 $125,287 46,798 Direct -22.00% Disposed 1637.4% (price as of 2026-10-06)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
Feb. 26, 2026 NSSC Employee Stock Option (Right to Buy) Common Stock (10,000) $22.50 Oct. 19, 2031 10,000 Disposed
Sept. 17, 2025 NSSC Employee Stock Option (Right to Buy) Common Stock (10,000) $22.50 Oct. 19, 2031 10,000 Disposed
Sept. 17, 2025 NSSC Employee Stock Option (Right to Buy) Common Stock (2,000) $26.94 Aug. 25, 2032 2,000 Disposed
Aug. 29, 2024 NSSC Employee Stock Option (Right to Buy) Common Stock (2,000) $26.94 Aug. 25, 2032 2,000 Disposed
May 2, 2024 NSSC Stock Option Common Stock (50,000) $41.75 May 2, 2034 50,000 Acquired
Feb. 9, 2024 NSSC Employee Stock Options (Right to Buy) Common Stock (4,000) $26.94 Aug. 15, 2032 4,000 Disposed
Dec. 14, 2023 NSSC Employee Stock Option (Right to Buy) Common Stock (1,600) $15.27 Oct. 28, 2029 1,600 Disposed
Dec. 14, 2023 NSSC Employee Stock Option (Right to Buy) Common Stock (30,000) $22.50 Oct. 19, 2031 30,000 Disposed
Feb. 21, 2023 NSSC Employee Stock Options (Right to Buy) Common Stock (1,600) $7.34 Oct. 2, 2028 1,600 Disposed
Feb. 21, 2023 NSSC Employee Stock Options (Right to Buy) Common Stock (1,600) $15.27 Oct. 28, 2029 1,600 Disposed
Sept. 13, 2022 NSSC Employee Stock Options (Right to Buy) Common Stock (2,000) $4.38 Dec. 15, 2027 2,000 Disposed
Sept. 13, 2022 NSSC Employee Stock Options (Right to Buy) Common Stock (1,600) $7.34 Oct. 2, 2028 1,600 Disposed
Sept. 13, 2022 NSSC Employee Stock Options (Right to Buy) Common Stock (1,600) $15.27 Oct. 28, 2029 1,600 Disposed
Aug. 25, 2022 NSSC Employee Stock Options (Right to Buy) Common Stock (10,000) $26.94 Aug. 25, 2032 10,000 Acquired
Nov. 10, 2021 NSSC Employee Stock Option (Right to Buy) Common Stock (1,000) $4.37 Oct. 20, 2024 1,000 Disposed
Nov. 10, 2021 NSSC Employee Stock Option (Right to Buy) Common Stock (4,000) $8.75 Dec. 15, 2027 4,000 Disposed
Nov. 10, 2021 NSSC Employee Stock Option (Right to Buy) Common Stock (2,400) $14.69 Oct. 2, 2028 2,400 Disposed
Nov. 10, 2021 NSSC Employee Stock Option (Right to Buy) Common Stock (1,600) $30.54 Oct. 28, 2029 1,600 Disposed
Oct. 19, 2021 NSSC Employee Stock Option (Right to Buy) Common Stock (25,000) $44.99 Oct. 19, 2031 25,000 Acquired
Oct. 28, 2019 NSSC Employee Stock Options (Right to Buy) Common Stock (4,000) $30.54 Oct. 28, 2029 4,000 Acquired
Oct. 2, 2018 NSSC Employee Stock Options (Right to buy) Common Stock (4,000) $14.69 Oct. 2, 2028 4,000 Acquired
March 15, 2018 NSSC Employee Stock Options (Right to buy) Common Stock (5,000) $4.88 Sept. 9, 2023 5,000 Disposed
March 15, 2018 NSSC Employee Stock Options (Right to buy) Common Stock (4,000) $4.37 Oct. 20, 2024 4,000 Disposed
Dec. 15, 2017 NSSC Employee Stock Options (Right to buy) Common Stock (5,000) $8.75 Dec. 15, 2027 5,000 Acquired
Sept. 21, 2017 NSSC Employee Stock Options (Right to buy) Common Stock (5,000) $5.35 Oct. 9, 2017 5,000 Disposed
Oct. 3, 2016 NSSC Employee Stock Options (Right to buy) Common Stock (5,000) $6.03 Oct. 26, 2016 5,000 Disposed
Oct. 6, 2015 NSSC Employee Stock Options (Right to buy) Common Stock (22,500) $5.73 Nov. 20, 2015 22,500 Disposed
Oct. 20, 2014 NSSC NAPCO Security Technologies, Inc. Employee Stock Options NAPCO Security Technologies, Inc. Common Stock (5,000) $4.37 Oct. 20, 2024 5,000 Acquired
Sept. 27, 2013 NSSC NAPCO Security Technologies, Inc. Employee Stock Options NAPCO Security Technologies, Inc. Common Stock (5,000) $4.88 Sept. 9, 2023 5,000 Acquired
Sept. 16, 2013 NSSC NAPCO Security Technologies, Inc. Employee Stock Options NAPCO Security Technologies, Inc. (0) $1.90 March 19, 2014 27,000 Disposed
Sept. 16, 2013 NSSC NAPCO Security Technologies, Inc. Employee Stock Options NAPCO Security Technologies, Inc. (0) $1.90 March 19, 2014 27,000 Acquired
Oct. 9, 2007 NSSC NAPCO Security Systems, Inc., Employee Stock Options NAPCO Security Systems, Inc. Common Stock (5,000) $5.35 Oct. 9, 2017 5,000 Acquired
Oct. 26, 2006 NSSC NAPCO Security Systems, Inc. Employee Stock Options NAPCO Security Systems, Inc. Common Stock (5,000) $6.02 Oct. 26, 2016 5,000 Acquired
Jan. 13, 2006 NSSC NAPCO Security Systems, Inc. Employee Stock Options NAPCO Security Systems, Inc., Common Stock (0) · Nov. 27, 2006 36,000 Disposed
June 11, 2004 NSSC NAPCO Security Systems, Inc. Employee Stock Options NAPCO Security Systems, Inc., Common Stock (0) $1.53 March 1, 2005 20,000 Disposed
May 6, 2004 NSSC NAPCO Security Systems, Inc. Employee Stock Options NAPCO Security Systems, Inc. Common Stock (0) $1.62 Aug. 31, 2004 30,000 Disposed
March 19, 2004 NSSC Napco Security Systems, Inc. Employee Stock Options Napco Security Systems, Inc. - Common Stock (5,000) $10.26 March 18, 2014 5,000 Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Compensation (DEF 14A)

08

Matched by name from proxy statements (DEF 14A) — verify against the filing.

NSSC

CTO
Fiscal yearSalaryBonusStock awards Option awardsNon-equity incentivePension changeOtherTotal
2025 $455,609 $254,219 · · · · $10,586 $720,414
2020 $329,568 $70,000 · $47,422 · · $12,991 $459,981
2019 $308,903 $100,000 · $16,039 · · $11,659 $436,601

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.