ASPN insider transactions

Director Mitchell Steven R was granted 10,370 shares, increasing direct ownership by 7% to 156,898 units (SEC Form 4)

Director Noglows William P was granted 10,370 shares, increasing direct ownership by 12% to 99,357 units (SEC Form 4)

Director Robinson Cari was granted 10,370 shares, increasing direct ownership by 85% to 22,616 units (SEC Form 4)

Director Kool Kathleen was granted 10,370 shares, increasing direct ownership by 43% to 34,323 units (SEC Form 4)

Director Sweetnam James E was granted 10,370 shares, increasing direct ownership by 40% to 36,321 units (SEC Form 4)

Chief Commercial Officer Whitaker Corby C covered exercise/tax liability with 1,924 shares, decreasing direct ownership by 0.93% to 205,315 units (SEC Form 4)

SEC Form 4 filed by Aspen Aerogels Inc.

SEC Form 4 filed by Aspen Aerogels Inc.

Chief Operating Officer Landes Gregg covered exercise/tax liability with 1,924 shares, decreasing direct ownership by 2% to 102,931 units (SEC Form 4)

President and CEO Young Donald R was granted 156,716 shares and covered exercise/tax liability with 8,618 shares, increasing direct ownership by 30% to 642,109 units (SEC Form 4)

SVP, Operations and Strat Deve Landes Gregg covered exercise/tax liability with 3,814 shares and was granted 57,462 shares, increasing direct ownership by 105% to 104,855 units (SEC Form 4)

CAO, GC & Corp Secretary Deegan Glenn E. was granted 55,503 shares, increasing direct ownership by 475% to 67,176 units (SEC Form 4)

SVP, Sales and Marketing Whitaker Corby C was granted 57,462 shares and covered exercise/tax liability with 3,907 shares, increasing direct ownership by 35% to 207,239 units (SEC Form 4)

Chief Accounting Officer Daniel Santhosh P covered exercise/tax liability with 986 shares, decreasing direct ownership by 6% to 15,330 units (SEC Form 4)

CFO & Treasurer Thoele Grant Douglas was granted 55,298 shares and covered exercise/tax liability with 2,368 shares, increasing direct ownership by 208% to 78,322 units (SEC Form 4)

Amendment: CFO & Treasurer Thoele Grant Douglas was granted 10,273 shares, increasing direct ownership by 68% to 25,392 units (SEC Form 4)

Amendment: New insider Thoele Grant Douglas claimed ownership of 15,119 shares (SEC Form 3)

President and CEO Young Donald R sold $183,609 worth of shares (56,845 units at $3.23), decreasing direct ownership by 10% to 494,011 units (SEC Form 4)

CFO & Treasurer Thoele Grant Douglas was granted 10,273 shares, increasing direct ownership by 223% to 14,881 units (SEC Form 4)

CAO, GC & Corp Secretary Deegan Glenn E. was granted 11,673 shares (SEC Form 4)

New insider Thoele Grant Douglas claimed ownership of 4,608 shares (SEC Form 3)

SEC Form 3 filed by new insider Deegan Glenn E.

Chief Accounting Officer Daniel Santhosh P covered exercise/tax liability with 1,563 shares, decreasing direct ownership by 9% to 16,316 units (SEC Form 4)

Chief Human Resources Officer Pittman Stephanie covered exercise/tax liability with 1,581 shares, decreasing direct ownership by 4% to 42,257 units (SEC Form 4)

Chief Accounting Officer Daniel Santhosh P sold $47,317 worth of shares (6,410 units at $7.38), decreasing direct ownership by 26% to 17,879 units (SEC Form 4)

CLO, GC, and Secretary Johnson Virginia covered exercise/tax liability with 6,129 shares, decreasing direct ownership by 12% to 44,450 units (SEC Form 4)

President and CEO Young Donald R bought $107,000 worth of shares (20,000 units at $5.35), increasing direct ownership by 4% to 550,856 units (SEC Form 4)

Director Mitchell Steven R was granted 10,370 shares, increasing direct ownership by 8% to 146,528 units (SEC Form 4)

Director Sweetnam James E was granted 10,370 shares, increasing direct ownership by 67% to 25,951 units (SEC Form 4)

Director Robinson Cari was granted 10,370 shares, increasing direct ownership by 553% to 12,246 units (SEC Form 4)

Director Kool Kathleen was granted 10,370 shares, increasing direct ownership by 76% to 23,953 units (SEC Form 4)

Director Noglows William P was granted 10,370 shares, increasing direct ownership by 13% to 88,987 units (SEC Form 4)

CLO, GC, and Secretary Johnson Virginia covered exercise/tax liability with 1,924 shares, decreasing direct ownership by 4% to 50,579 units (SEC Form 4)

President and CEO Young Donald R covered exercise/tax liability with 3,569 shares, decreasing direct ownership by 0.67% to 530,856 units (SEC Form 4)

SVP, Technology Schilling Keith L covered exercise/tax liability with 1,924 shares, decreasing direct ownership by 4% to 49,797 units (SEC Form 4)

SVP, Sales and Marketing Whitaker Corby C covered exercise/tax liability with 1,924 shares, decreasing direct ownership by 1% to 153,684 units (SEC Form 4)

CFO & Treasurer Rodriguez Ricardo C. covered exercise/tax liability with 1,924 shares, decreasing direct ownership by 3% to 57,311 units (SEC Form 4)

SVP, Operations and Strat Deve Landes Gregg covered exercise/tax liability with 1,924 shares, decreasing direct ownership by 4% to 51,207 units (SEC Form 4)

Chief Accounting Officer Daniel Santhosh P covered exercise/tax liability with 428 shares and was granted 4,783 shares, increasing direct ownership by 22% to 24,289 units (SEC Form 4)

SVP, Operations and Strat Deve Landes Gregg covered exercise/tax liability with 936 shares and was granted 24,713 shares, increasing direct ownership by 81% to 53,131 units (SEC Form 4)

CLO, GC, Secretary & CCO Johnson Virginia covered exercise/tax liability with 936 shares and was granted 26,307 shares, increasing direct ownership by 94% to 52,503 units (SEC Form 4)

CFO & Treasurer Rodriguez Ricardo C. covered exercise/tax liability with 936 shares and was granted 39,859 shares, increasing direct ownership by 192% to 59,235 units (SEC Form 4)

President and CEO Young Donald R covered exercise/tax liability with 2,316 shares and was granted 54,209 shares, increasing direct ownership by 11% to 534,425 units (SEC Form 4)

SVP, Technology Schilling Keith L covered exercise/tax liability with 936 shares and was granted 24,713 shares, increasing direct ownership by 85% to 51,721 units (SEC Form 4)

SVP, Sales and Marketing Whitaker Corby C covered exercise/tax liability with 936 shares and was granted 25,510 shares, increasing direct ownership by 19% to 155,608 units (SEC Form 4)

Chief Human Resources Officer Pittman Stephanie covered exercise/tax liability with 936 shares and was granted 22,321 shares, increasing direct ownership by 95% to 43,838 units (SEC Form 4)

CFO & Treasurer Rodriguez Ricardo C. covered exercise/tax liability with 173 shares, decreasing direct ownership by 0.84% to 20,312 units (SEC Form 4)

SVP, Operations and Strat Deve Landes Gregg covered exercise/tax liability with 499 shares, decreasing direct ownership by 2% to 29,354 units (SEC Form 4)

President and CEO Young Donald R covered exercise/tax liability with 1,108 shares, decreasing direct ownership by 0.23% to 482,532 units (SEC Form 4)

CFO & Treasurer Rodriguez Ricardo C. covered exercise/tax liability with 305 shares, decreasing direct ownership by 1% to 20,485 units (SEC Form 4)

SVP, Technology Schilling Keith L covered exercise/tax liability with 499 shares, decreasing direct ownership by 2% to 27,944 units (SEC Form 4)

SVP, Sales and Marketing Whitaker Corby C covered exercise/tax liability with 499 shares, decreasing direct ownership by 0.38% to 131,034 units (SEC Form 4)

SVP, Technology Schilling Keith L covered exercise/tax liability with 349 shares, decreasing direct ownership by 1% to 28,443 units (SEC Form 4)

President and CEO Young Donald R sold $1,902,551 worth of shares (63,355 units at $30.03), decreasing direct ownership by 12% to 483,640 units (SEC Form 4)

Chief Accounting Officer Daniel Santhosh P covered exercise/tax liability with 1,711 shares, decreasing direct ownership by 8% to 19,934 units (SEC Form 4)

Chief Human Resources Officer Pittman Stephanie covered exercise/tax liability with 1,734 shares, decreasing direct ownership by 7% to 22,453 units (SEC Form 4)

CFO & Treasurer Rodriguez Ricardo C. exercised 25,300 shares at a strike of $6.81 and sold $978,387 worth of shares (32,465 units at $30.14), decreasing direct ownership by 26% to 20,790 units (SEC Form 4)

SEC Form 4 filed by Large owner Wood River Capital, Llc

Director Robinson Cari was granted 1,876 shares (SEC Form 4)

SEC Form 3 filed by new insider Robinson Cari