SIEN insider transactions

Menezes Ronald covered exercise/tax liability with 3,625 shares, decreasing direct ownership by 18% to 16,775 units (SEC Form 4)

Van Hove Caroline F. covered exercise/tax liability with 741 shares, decreasing direct ownership by 8% to 8,239 units (SEC Form 4)

SEC Form 4: Bennett Oliver Christian was granted 2,739 shares, increasing direct ownership by 13% to 23,100 units

SEC Form 4: Schmidt Andrew C covered exercise/tax liability with 561 shares, decreasing direct ownership by 1% to 46,956 units

SEC Form 4 filed by Schaison Philippe

SEC Form 4 filed by Fisher Mary

SEC Form 4 filed by Erenburg Irina

SEC Form 4 filed by Ebersole Nori

SEC Form 4 filed by Casdin Alexander W.

SEC Form 3: New insider Casdin Alexander W. claimed ownership of 237,099 shares

SEC Form 4 filed by Schmidt Andrew C

SEC Form 4 filed by Menezes Ronald

SEC Form 4 filed by Bennett Oliver Christian

SEC Form 4: Van Hove Caroline F. covered exercise/tax liability with 1,607 shares, decreasing direct ownership by 1% to 132,395 units (tax liability)

SEC Form 4: Van Hove Caroline F. covered exercise/tax liability with 5,862 shares, decreasing direct ownership by 4% to 134,002 units to satisfy withholding obligation

SEC Form 4: Menezes Ronald covered exercise/tax liability with 36,500 shares, decreasing direct ownership by 6% to 540,802 units to satisfy withholding obligation

SEC Form 4: Schmidt Andrew C covered exercise/tax liability with 6,201 shares, decreasing direct ownership by 2% to 255,253 units (tax withholding)

SEC Form 4: Sullivan Keith J was granted 103,306 shares, increasing direct ownership by 39% to 370,354 units

SEC Form 4: Schaison Philippe was granted 103,306 shares, increasing direct ownership by 90% to 218,104 units

SEC Form 4: Oboyle Kevin C was granted 103,306 shares, increasing direct ownership by 88% to 220,978 units

SEC Form 4: Fisher Mary was granted 103,306 shares, increasing direct ownership by 136% to 179,147 units

SEC Form 4: Erenburg Irina was granted 103,306 shares, increasing direct ownership by 507% to 123,687 units

SEC Form 4: Ebersole Nori was granted 103,306 shares, increasing direct ownership by 507% to 123,687 units

SEC Form 4: Van Hove Caroline F. covered exercise/tax liability with 5,249 shares, decreasing direct ownership by 4% to 139,864 units (withholding tax)

SEC Form 4: Bennett Oliver Christian covered exercise/tax liability with 4,518 shares, decreasing direct ownership by 2% to 245,678 units (for tax liability)

SEC Form 4: Bennett Oliver Christian was granted 35,000 shares and covered exercise/tax liability with 7,229 shares, increasing direct ownership by 12% to 250,196 units to satisfy withholding tax

SEC Form 4: Schmidt Andrew C covered exercise/tax liability with 5,159 shares, decreasing direct ownership by 2% to 261,454 units to satisfy withholding obligation

SEC Form 4: Schmidt Andrew C was granted 200,000 shares, increasing direct ownership by 300% to 266,613 units

SEC Form 4: Menezes Ronald was granted 150,000 shares, increasing direct ownership by 35% to 577,302 units

SEC Form 4: Bennett Oliver Christian was granted 150,000 shares, increasing direct ownership by 207% to 222,425 units

SEC Form 4: Schmidt Andrew C was granted 15,000 shares, increasing direct ownership by 29% to 66,613 units

SEC Form 4: Van Hove Caroline F. covered exercise/tax liability with 1,607 shares, decreasing direct ownership by 1% to 145,113 units to cover taxes

SEC Form 4: Bennett Oliver Christian covered exercise/tax liability with 3,828 shares, decreasing direct ownership by 5% to 69,425 units (withholding obligation)

SEC Form 4: Bennett Oliver Christian covered exercise/tax liability with 3,615 shares, decreasing direct ownership by 5% to 73,253 units to cover taxes

SEC Form 4: Menezes Ronald sold $445,084 worth of shares (78,498 units at $5.67), decreasing direct ownership by 16% to 427,302 units to satisfy tax liability

SEC Form 4: Van Hove Caroline F. sold $34,513 worth of shares (6,087 units at $5.67), decreasing direct ownership by 4% to 146,720 units (tax withholding)

SEC Form 4: Bennett Oliver Christian sold $20,099 worth of shares (3,615 units at $5.56), decreasing direct ownership by 4% to 76,868 units to satisfy withholding obligation

SEC Form 4: Schmidt Andrew C bought $8,549 worth of Common Stock (1,449 units at $5.90), increasing direct ownership by 3% to 51,613 units

SEC Form 4: Bennett Oliver Christian sold $25,052 worth of Common Stock (3,615 units at $6.93), decreasing direct ownership by 4% to 80,483 units (for tax liability)

SEC Form 4: Bennett Oliver Christian was granted 10,000 units of Common Stock, increasing direct ownership by 13% to 84,098 units

SEC Form 4: Menezes Ronald bought $40,484 worth of Common Stock (5,800 units at $6.98), increasing direct ownership by 1% to 505,800 units

SEC Form 4: Schmidt Andrew C bought $9,976 worth of Common Stock (1,449 units at $6.88), increasing direct ownership by 3% to 50,164 units

SEC Form 4: Erenburg Irina was granted 20,381 units of Common Stock

SEC Form 3 filed by Erenburg Irina

SEC Form 4 filed by Sientra, Inc.

SEC Form 3 filed by Ebersole Nori

SEC Form 4: Schmidt Andrew C was granted 48,715 units of Common Stock

SEC Form 3 filed by Schmidt Andrew C

SEC Form 4: Bennett Oliver Christian was granted 27,066 units of Common Stock, sold $50,260 worth of Common Stock (6,864 units at $7.32) and covered exercise/tax liability with 16,109 units of Common Stock, increasing direct ownership by 6% to 74,098 units (tax withholding)

SEC Form 4: MILLER VALERIE J covered exercise/tax liability with 5,730 units of Common Stock and gave a grant of 4,000 units of Common Stock, decreasing direct ownership by 3% to 62,170 units (tax liability)

SEC Form 4: FISHER MARY was granted 16,870 units of Common Stock, increasing direct ownership by 29% to 75,841 units

SEC Form 4: OBOYLE KEVIN C was granted 16,870 units of Common Stock, increasing direct ownership by 17% to 117,672 units

SEC Form 4: SCHAISON PHILIPPE was granted 23,936 units of Common Stock, increasing direct ownership by 26% to 114,798 units

SEC Form 4: Simon Nicholas was granted 16,870 units of Common Stock, increasing direct ownership by 20% to 101,569 units

SEC Form 4: Sullivan Keith J was granted 16,870 units of Common Stock, increasing direct ownership by 7% to 267,048 units

SEC Form 4: Van Hove Caroline F. covered exercise/tax liability with 6,912 units of Common Stock, decreasing direct ownership by 4% to 152,807 units to cover withholding tax

SEC Form 4 filed by Sientra, Inc.

SEC Form 4: J Valerie Miller sold $10,751 worth of Common Stock (1,508 units at $7.13), decreasing direct ownership by 2% to 63,900 units

SEC Form 4: J Valerie Miller sold $11,849 worth of Common Stock (1,582 units at $7.49), decreasing direct ownership by 2% to 65,408 units

SEC Form 3: J Valerie Miller claimed ownership of 66,990 units of Common Stock