NSSC insider transactions

SEC Form 4 filed by Spinelli Stephen M

CEO, Chairman of Board, Secy Soloway Richard sold $8,225,237 worth of shares (185,000 units at $44.46), decreasing direct ownership by 14% to 1,096,958 units (SEC Form 4)

Executive VP of Engineering Carrieri Michael exercised 10,000 shares at a strike of $22.50 and covered exercise/tax liability with 6,651 shares, increasing direct ownership by 14% to 26,610 units (SEC Form 4)

Amendment: President & COO Buchel Kevin S exercised 50,000 shares at a strike of $22.50 and covered exercise/tax liability with 33,560 shares, increasing direct ownership by 26% to 79,179 units (SEC Form 4)

President & COO Buchel Kevin S exercised 50,000 shares at a strike of $22.50, increasing direct ownership by 26% to 79,179 units (SEC Form 4)

CEO, Chairman of Board, Secy Soloway Richard exercised 108,000 shares at a strike of $22.82 and covered exercise/tax liability with 82,052 shares, increasing direct ownership by 2% to 1,281,958 units (SEC Form 4)

CEO, Chairman of Board, Secy Soloway Richard sold $6,411,000 worth of shares (150,000 units at $42.74), decreasing direct ownership by 11% to 1,256,010 units (SEC Form 4)

SEC Form 3 filed by new insider Pipczynski Joseph Casmir

Senior Vice president of Sales Spinelli Stephen M sold $764,750 worth of shares (19,000 units at $40.25), decreasing direct ownership by 95% to 928 units (SEC Form 4)

Executive VP of Engineering Carrieri Michael exercised 12,000 shares at a strike of $23.24 and covered exercise/tax liability with 6,576 shares, increasing direct ownership by 30% to 23,261 units (SEC Form 4)

Director Beeber Paul Stephen sold $26,281 worth of shares (708 units at $37.12), exercised 3,000 shares at a strike of $26.94 and covered exercise/tax liability with 2,151 shares, increasing direct ownership by 6% to 2,681 units (SEC Form 4)

Executive VP Engineering Carrieri Michael exercised 2,000 shares at a strike of $26.94, increasing direct ownership by 13% to 17,837 units (SEC Form 4)

Senior Vice President of Sales Spinelli Stephen M sold $156,390 worth of shares (3,000 units at $52.13), decreasing direct ownership by 11% to 24,928 units (SEC Form 4)

Director Beeber Paul Stephen sold $44,754 worth of shares (860 units at $52.04), decreasing direct ownership by 25% to 2,540 units (SEC Form 4)

SEC Form 3 filed by new insider Vuono Andrew J.

Beeber Paul Stephen exercised 3,000 shares at a strike of $17.30 and covered exercise/tax liability with 1,168 shares, increasing direct ownership by 117% to 3,400 units (SEC Form 4)

Soloway Richard sold $11,050,450 worth of shares (250,000 units at $44.20), decreasing direct ownership by 15% to 1,406,010 units (SEC Form 4)

SEC Form 4 filed by Buchel Kevin S

SEC Form 4 filed by Carrieri Michael

Soloway Richard sold $2,037,500 worth of shares (50,000 units at $40.75), decreasing direct ownership by 3% to 1,656,010 units (SEC Form 4)

Buchel Kevin S sold $2,018,050 worth of shares (50,000 units at $40.36), decreasing direct ownership by 44% to 62,739 units (SEC Form 4)

Soloway Richard sold $81,500,000 worth of shares (2,000,000 units at $40.75), decreasing direct ownership by 54% to 1,706,010 units (SEC Form 4)

Soloway Richard sold $1,263,360 worth of shares (28,000 units at $45.12), decreasing direct ownership by 0.75% to 3,706,010 units (SEC Form 4)

Soloway Richard exercised 38,000 shares at a strike of $11.23, increasing direct ownership by 1% to 3,734,010 units (SEC Form 4) (Amendment)

Buchel Kevin S exercised 8,016 shares at a strike of $15.65, covered exercise/tax liability with 2,763 shares and sold $447,953 worth of shares (10,000 units at $44.80), decreasing direct ownership by 4% to 112,739 units (SEC Form 4) (Amendment)

Soloway Richard exercised 38,000 shares at a strike of $11.23, increasing direct ownership by 1% to 3,734,010 units (SEC Form 4)

Buchel Kevin S exercised 8,016 shares at a strike of $15.65, covered exercise/tax liability with 2,763 shares and sold $447,953 worth of shares (10,000 units at $44.80), decreasing direct ownership by 4% to 112,739 units (SEC Form 4)

Spinelli Stephen M exercised 35,928 shares at a strike of $10.02 and covered exercise/tax liability with 8,000 shares (SEC Form 4)

Carrieri Michael exercised 4,000 units of NAPCO Security Technologies at a strike of $26.94, sold $238,784 worth of NAPCO Security Technologies (5,200 units at $45.92) and covered exercise/tax liability with 2,395 units of NAPCO Security Technologies, decreasing direct ownership by 19% to 15,837 units (SEC Form 4)

Beeber Paul Stephen exercised 1,500 shares at a strike of $22.93 and covered exercise/tax liability with 792 shares, increasing direct ownership by 82% to 1,568 units (SEC Form 4)

Beeber Paul Stephen exercised 1,600 shares at a strike of $15.27, covered exercise/tax liability with 740 shares and sold $254,553 worth of shares (8,501 units at $29.94), decreasing direct ownership by 90% to 860 units (SEC Form 4)

Carrieri Michael exercised 31,600 units of NAPCO Security Technologies at a strike of $22.13 and covered exercise/tax liability with 20,568 units of NAPCO Security Technologies, increasing direct ownership by 131% to 19,432 units (SEC Form 4)

SEC Form 4 filed by Beeber Paul Stephen

SEC Form 4: Beeber Paul Stephen exercised 1,600 shares at a strike of $8.10 and covered exercise/tax liability with 395 shares, increasing direct ownership by 20% to 7,184 units

SEC Form 4: Carrieri Michael exercised 3,200 units of NAPCO Security Technologies at a strike of $11.31, increasing direct ownership by 62% to 8,400 units

SEC Form 3 filed by new insider Paterson David Alexander

SEC Form 4: Buchel Kevin S sold $3,150,000 worth of shares (100,000 units at $31.50), decreasing direct ownership by 50% to 99,829 units

SEC Form 4: Soloway Richard sold $72,450,000 worth of shares (2,300,000 units at $31.50), decreasing direct ownership by 38% to 3,696,010 units

SEC Form 4: Beeber Paul Stephen exercised 3,600 shares at a strike of $19.53 and covered exercise/tax liability with 2,637 shares, increasing direct ownership by 19% to 5,979 units

SEC Form 4: Beeber Paul Stephen sold $45,179 worth of shares (1,731 units at $26.10), decreasing direct ownership by 26% to 5,016 units

SEC Form 4: Carrieri Michael sold $234,405 worth of NAPCO Security Technologies (9,000 units at $26.05), decreasing direct ownership by 63% to 5,200 units

SEC Form 4: Carrieri Michael sold $238,023 worth of NAPCO Security Technologies (9,000 units at $26.45), decreasing direct ownership by 39% to 14,200 units

SEC Form 4: Soloway Richard sold $31,519,047 worth of shares (1,271,442 units at $24.79), decreasing direct ownership by 17% to 5,996,010 units

SEC Form 4: Buchel Kevin S sold $1,313,300 worth of shares (52,977 units at $24.79), decreasing direct ownership by 21% to 199,829 units

SEC Form 4: Carrieri Michael exercised 5,200 units of NAPCO Security Technologies at a strike of $8.64, increasing direct ownership by 29% to 23,200 units

SEC Form 4: Beeber Paul Stephen exercised 6,300 shares at a strike of $14.41 and covered exercise/tax liability with 3,020 shares, increasing direct ownership by 95% to 6,747 units

SEC Form 4 filed by Lazio Rick A

SEC Form 4 filed by Wilder Andrew

SEC Form 4 filed by Ungar Robert A

SEC Form 4 filed by Carrieri Michael

SEC Form 4 filed by Spinelli Stephen M

SEC Form 4 filed by Soloway Donna Anne

SEC Form 4 filed by Soloway Richard

SEC Form 4 filed by Buchel Kevin S

SEC Form 4: Beeber Paul Stephen exercised 1,200 shares at a strike of $8.70 and covered exercise/tax liability with 258 shares, increasing direct ownership by 37% to 3,467 units

SEC Form 4: Beeber Paul Stephen exercised 1,600 shares at a strike of $8.10 and covered exercise/tax liability with 663 shares, increasing direct ownership by 59% to 2,525 units

SEC Form 4 filed by Ungar Robert A

SEC Form 4: Beeber Paul Stephen exercised 1,500 shares at a strike of $23.35 and covered exercise/tax liability with 706 shares

SEC Form 4: Carrieri Michael exercised 9,000 units of NAPCO Security Technologies at a strike of $13.72

SEC Form 4 filed by Lazio Rick A