TENB insider transactions

Chief Financial Officer Brown Matthew Charles converted options into 14,544 shares and covered exercise/tax liability with 5,219 shares, increasing direct ownership by 31% to 39,866 units (SEC Form 4) to cover taxes

Chief Accounting Officer Anschutz Barron converted options into 4,223 shares and covered exercise/tax liability with 2,021 shares, increasing direct ownership by 3% to 73,875 units (SEC Form 4) (tax withholding)

Co-Chief Executive Officer Thurmond Mark C. covered exercise/tax liability with 12,268 shares and converted options into 25,369 shares, increasing direct ownership by 8% to 182,188 units (SEC Form 4) to satisfy tax liability

Co-Chief Executive Officer Vintz Stephen A converted options into 27,413 shares and covered exercise/tax liability with 13,121 shares, increasing direct ownership by 3% to 487,826 units (SEC Form 4) (for tax liability)

Director Tosheff George Alex converted options into 6,062 shares, increasing direct ownership by 24% to 31,344 units (SEC Form 4)

Director Vicks Raymond Jr. converted options into 6,062 shares, increasing direct ownership by 37% to 22,328 units (SEC Form 4)

Director Keane Margaret M converted options into 6,062 shares, increasing direct ownership by 55% to 17,043 units (SEC Form 4)

Director Howe Niloofar Razi converted options into 6,062 shares, increasing direct ownership by 25% to 29,839 units (SEC Form 4)

Director Huffard John C Jr converted options into 6,062 shares (SEC Form 4)

Director Coviello Arthur W Jr converted options into 6,062 shares, increasing direct ownership by 12% to 57,793 units (SEC Form 4)

Director Zecher Linda Kay converted options into 6,062 shares, increasing direct ownership by 122% to 11,022 units (SEC Form 4)

Director Seawell A Brooke converted options into 6,062 shares, increasing direct ownership by 66% to 15,292 units (SEC Form 4)

Co-Chief Executive Officer Vintz Stephen A covered exercise/tax liability with 60,917 shares and exercised 105,000 shares at a strike of $4.15, increasing direct ownership by 10% to 472,714 units (SEC Form 4) (for tax liability)

Chief Financial Officer Brown Matthew Charles bought $258,480 worth of shares (12,000 units at $21.54), increasing direct ownership by 65% to 30,541 units (SEC Form 4)

SEC Form 4 filed by Anschutz Barron

SEC Form 4 filed by Chief Accounting Officer Anschutz Barron

Co-Chief Executive Officer Vintz Stephen A converted options into 24,381 shares and covered exercise/tax liability with 11,667 shares, increasing direct ownership by 3% to 428,631 units (SEC Form 4)

SEC Form 4 filed by Chief Financial Officer Brown Matthew Charles

Co-Chief Executive Officer Thurmond Mark C. converted options into 24,381 shares and covered exercise/tax liability with 11,789 shares, increasing direct ownership by 8% to 168,267 units (SEC Form 4)

Chief Accounting Officer Anschutz Barron converted options into 10,500 shares and covered exercise/tax liability with 5,154 shares, increasing direct ownership by 8% to 69,794 units (SEC Form 4)

Co-Chief Executive Officer Vintz Stephen A covered exercise/tax liability with 24,915 shares and converted options into 67,336 shares, increasing direct ownership by 11% to 415,917 units (SEC Form 4)

Co-Chief Executive Officer Thurmond Mark C. converted options into 63,318 shares and covered exercise/tax liability with 21,282 shares, increasing direct ownership by 37% to 155,675 units (SEC Form 4)

Chief Financial Officer Brown Matthew Charles converted options into 14,544 shares and covered exercise/tax liability with 5,269 shares, increasing direct ownership by 100% to 18,541 units (SEC Form 4)

Director Vicks Raymond Jr. bought $99,765 worth of shares (4,500 units at $22.17), increasing direct ownership by 38% to 16,266 units (SEC Form 4)

Director Coviello Arthur W Jr bought $258,000 worth of shares (12,000 units at $21.50), increasing direct ownership by 30% to 51,731 units (SEC Form 4)

Chief Accounting Officer Anschutz Barron converted options into 2,031 shares and covered exercise/tax liability with 1,080 shares, increasing direct ownership by 1% to 64,448 units (SEC Form 4)

Director Seawell A Brooke exercised 115,000 shares at a strike of $9.66 and sold $2,854,300 worth of shares (115,000 units at $24.82) (SEC Form 4)

Chief Financial Officer Brown Matthew Charles converted options into 14,544 shares and covered exercise/tax liability with 5,278 shares (SEC Form 4)

Co-Chief Executive Officer Thurmond Mark C. converted options into 16,730 shares and covered exercise/tax liability with 8,092 shares, increasing direct ownership by 8% to 113,639 units (SEC Form 4)

Co-Chief Executive Officer Vintz Stephen A converted options into 20,746 shares and covered exercise/tax liability with 9,929 shares, increasing direct ownership by 3% to 373,496 units (SEC Form 4)

Principal Accounting Officer Anschutz Barron converted options into 3,985 shares and covered exercise/tax liability with 1,908 shares, increasing direct ownership by 3% to 63,497 units (SEC Form 4)

Principal Accounting Officer Anschutz Barron converted options into 2,031 shares and sold $28,402 worth of shares (976 units at $29.10), increasing direct ownership by 2% to 61,420 units (SEC Form 4)

Director Tosheff George Alex converted options into 3,288 shares, increasing direct ownership by 15% to 25,282 units (SEC Form 4)

Director Seawell A Brooke sold $462,000 worth of shares (15,000 units at $30.80) (SEC Form 4)

Director Vicks Raymond Jr. gifted 1,500 shares and received a gift of 1,500 shares, decreasing direct ownership by 11% to 11,766 units (SEC Form 4)

Director Seawell A Brooke sold $139,215 worth of shares (4,622 units at $30.12) (SEC Form 4)

Co-Chief Executive Officer Thurmond Mark C. sold $75,823 worth of shares (2,541 units at $29.84), decreasing direct ownership by 2% to 105,001 units (SEC Form 4)

Principal Accounting Officer Anschutz Barron sold $19,993 worth of shares (670 units at $29.84), decreasing direct ownership by 1% to 60,365 units (SEC Form 4)

Co-Chief Executive Officer Vintz Stephen A sold $103,366 worth of shares (3,464 units at $29.84), decreasing direct ownership by 0.95% to 362,679 units (SEC Form 4)

Principal Accounting Officer Anschutz Barron sold $38,145 worth of shares (1,261 units at $30.25) and converted options into 3,985 shares, increasing direct ownership by 5% to 61,035 units (SEC Form 4)

Co-Chief Executive Officer Thurmond Mark C. converted options into 63,315 shares and sold $862,125 worth of shares (28,500 units at $30.25), increasing direct ownership by 48% to 107,542 units (SEC Form 4)

Co-Chief Executive Officer Vintz Stephen A converted options into 67,331 shares and sold $883,179 worth of shares (29,196 units at $30.25), increasing direct ownership by 12% to 366,143 units (SEC Form 4)

SEC Form 4 filed by Chief Financial Officer Brown Matthew Charles

SEC Form 3 filed by new insider Brown Matthew Charles

Principal Accounting Officer Anschutz Barron converted options into 2,031 shares and sold $32,088 worth of shares (970 units at $33.08), increasing direct ownership by 2% to 58,311 units (SEC Form 4)

Director Keane Margaret M converted options into 3,187 shares, increasing direct ownership by 41% to 10,981 units (SEC Form 4)

Co-Chief Executive Officer Thurmond Mark C. sold $80,573 worth of shares (2,483 units at $32.45), decreasing direct ownership by 3% to 72,727 units (SEC Form 4)

Co-Chief Executive Officer Vintz Stephen A sold $109,876 worth of shares (3,386 units at $32.45), decreasing direct ownership by 1% to 328,008 units (SEC Form 4)

Principal Accounting Officer Anschutz Barron sold $21,255 worth of shares (655 units at $32.45), decreasing direct ownership by 1% to 57,250 units (SEC Form 4)

Co-Chief Executive Officer Thurmond Mark C. converted options into 16,730 shares and sold $178,352 worth of shares (5,577 units at $31.98), increasing direct ownership by 19% to 75,210 units (SEC Form 4)

Co-Chief Executive Officer Vintz Stephen A converted options into 20,746 shares and sold $207,838 worth of shares (6,499 units at $31.98), increasing direct ownership by 5% to 331,394 units (SEC Form 4)

Principal Accounting Officer Anschutz Barron converted options into 3,985 shares and sold $39,815 worth of shares (1,245 units at $31.98), increasing direct ownership by 5% to 57,905 units (SEC Form 4)

Director Tosheff George Alex converted options into 4,607 shares, increasing direct ownership by 26% to 21,994 units (SEC Form 4)

Director Coviello Arthur W Jr converted options into 4,607 shares, increasing direct ownership by 13% to 39,731 units (SEC Form 4)

Director Huffard John C Jr converted options into 4,607 shares, increasing direct ownership by 28% to 20,987 units (SEC Form 4)

Director Vicks Raymond Jr. converted options into 4,607 shares, increasing direct ownership by 53% to 13,266 units (SEC Form 4)

Director Seawell A Brooke converted options into 4,607 shares, increasing direct ownership by 50% to 13,852 units (SEC Form 4)

Director Zecher Linda Kay converted options into 4,607 shares, increasing direct ownership by 1,305% to 4,960 units (SEC Form 4)

Director Howe Niloofar Razi converted options into 4,607 shares, increasing direct ownership by 24% to 23,777 units (SEC Form 4)

Director Keane Margaret M converted options into 4,607 shares, increasing direct ownership by 145% to 7,794 units (SEC Form 4)