LAB insider transactions

SVP & Chief Business Officer Mackay Sean covered exercise/tax liability with 25,729 shares, decreasing direct ownership by 2% to 1,480,823 units (SEC Form 4) (for tax liability)

Chief Financial Officer Kim Hanjoon Alex covered exercise/tax liability with 28,195 shares, decreasing direct ownership by 1% to 2,534,859 units (SEC Form 4) (for withholding tax)

President & CEO Egholm Michael covered exercise/tax liability with 97,627 shares, decreasing direct ownership by 2% to 6,137,704 units (SEC Form 4) (for tax liability)

President & CEO Egholm Michael covered exercise/tax liability with 362,625 shares, decreasing direct ownership by 5% to 6,235,331 units (SEC Form 4) (tax withholding)

Chief Financial Officer Kim Hanjoon Alex covered exercise/tax liability with 202,476 shares, decreasing direct ownership by 7% to 2,563,054 units (SEC Form 4) (for tax liability)

Director Carey Thomas D. was granted 99,116 shares, increasing direct ownership by 40% to 344,456 units (SEC Form 4)

SVP & Chief Business Officer Mackay Sean was granted 500,000 shares, increasing direct ownership by 50% to 1,506,552 units (SEC Form 4)

Director Witney Frank was granted 99,116 shares, increasing direct ownership by 47% to 309,978 units (SEC Form 4)

Director Casdin Eli was granted 99,116 shares, increasing direct ownership by 3% to 3,053,169 units (SEC Form 4)

Director Cox Troy was granted 99,116 shares, increasing direct ownership by 26% to 475,702 units (SEC Form 4)

Director Hibbs Kathy L was granted 99,116 shares, increasing direct ownership by 72% to 236,836 units (SEC Form 4)

Director Eloi Fenel M was granted 99,116 shares, increasing direct ownership by 42% to 335,299 units (SEC Form 4)

Chief Financial Officer Kim Hanjoon Alex covered exercise/tax liability with 18,871 shares, decreasing direct ownership by 0.68% to 2,760,530 units (SEC Form 4) (tax liability)

SVP & Chief Business Officer Mackay Sean covered exercise/tax liability with 25,729 shares, decreasing direct ownership by 2% to 1,006,552 units (SEC Form 4) to satisfy tax liability

President & CEO Egholm Michael covered exercise/tax liability with 97,626 shares, decreasing direct ownership by 1% to 6,597,956 units (SEC Form 4) (for withholding tax)

SEC Form 4 filed by Egholm Michael

SEC Form 4 filed by Kim Hanjoon Alex

SEC Form 4 filed by Mackay Sean

Director Casdin Eli was granted 52,991 shares, increasing direct ownership by 2% to 2,954,053 units (SEC Form 4)

Director Cox Troy was granted 57,264 shares, increasing direct ownership by 18% to 376,586 units (SEC Form 4)

Director Carey Thomas D. was granted 51,282 shares, increasing direct ownership by 26% to 245,340 units (SEC Form 4)

President & CEO Egholm Michael covered exercise/tax liability with 66,127 shares, decreasing direct ownership by 1% to 5,551,710 units (SEC Form 4)

SVP & Chief Business Officer Mackay Sean covered exercise/tax liability with 19,661 shares, decreasing direct ownership by 3% to 760,174 units (SEC Form 4)

Chief Financial Officer Kim Hanjoon Alex covered exercise/tax liability with 12,740 shares, decreasing direct ownership by 0.53% to 2,407,346 units (SEC Form 4)

Director Casdin Partners Master Fund, L.P. bought $502,570 worth of shares (350,000 units at $1.44) (SEC Form 4)

Director Casdin Partners Master Fund, L.P. bought $10,053,280 worth of shares (7,700,000 units at $1.31) (SEC Form 4)

President & CEO Egholm Michael covered exercise/tax liability with 63,529 shares, decreasing direct ownership by 1% to 5,617,837 units (SEC Form 4)

Chief Financial Officer Kim Hanjoon Alex covered exercise/tax liability with 12,739 shares, decreasing direct ownership by 0.52% to 2,415,086 units (SEC Form 4)

SVP & Chief Business Officer Mackay Sean covered exercise/tax liability with 19,661 shares, decreasing direct ownership by 2% to 779,835 units (SEC Form 4)

Director Casdin Partners Master Fund, L.P. bought $1,374,575 worth of shares (1,075,000 units at $1.28) (SEC Form 4)

Director Casdin Partners Master Fund, L.P. bought $1,126,775 worth of shares (925,000 units at $1.22) (SEC Form 4)

Director Casdin Partners Master Fund, L.P. bought $1,379,318 worth of shares (1,175,000 units at $1.17) (SEC Form 4)

Director Casdin Partners Master Fund, L.P. bought $128,920 worth of shares (100,000 units at $1.29) (SEC Form 4)

Director Casdin Partners Master Fund, L.P. bought $635,750 worth of shares (500,000 units at $1.27) (SEC Form 4)

Director Casdin Partners Master Fund, L.P. bought $658,798 worth of shares (525,000 units at $1.25) (SEC Form 4)

President & CEO Egholm Michael covered exercise/tax liability with 54,919 shares, decreasing direct ownership by 0.96% to 5,681,366 units (SEC Form 4)

SVP & Chief Business Officer Mackay Sean covered exercise/tax liability with 19,661 shares, decreasing direct ownership by 2% to 799,496 units (SEC Form 4)

Chief Financial Officer Kim Hanjoon Alex covered exercise/tax liability with 12,739 shares, decreasing direct ownership by 0.52% to 2,427,825 units (SEC Form 4)

Director Casdin Partners Master Fund, L.P. bought $443,033 worth of shares (358,220 units at $1.24) (SEC Form 4)

Chief Financial Officer Kim Hanjoon Alex was granted 1,500,000 shares, increasing direct ownership by 159% to 2,440,564 units (SEC Form 4)

President & CEO Egholm Michael was granted 3,000,000 shares, increasing direct ownership by 110% to 5,736,285 units (SEC Form 4)

Amendment: SEC Form 4 filed by Director Cox Troy

Director Cox Troy was granted 94,592 shares, increasing direct ownership by 58% to 256,412 units (SEC Form 4)

Director Eloi Fenel M was granted 94,592 shares, increasing direct ownership by 67% to 236,183 units (SEC Form 4)

Director Carey Thomas D. was granted 94,592 shares, increasing direct ownership by 95% to 194,058 units (SEC Form 4)

Director Casdin Eli was granted 94,592 shares, increasing direct ownership by 3% to 2,901,062 units (SEC Form 4)

Director Hibbs Kathy L was granted 94,592 shares, increasing direct ownership by 219% to 137,720 units (SEC Form 4)

Director Witney Frank was granted 94,592 shares, increasing direct ownership by 81% to 210,862 units (SEC Form 4)

SVP & Chief Business Officer Mackay Sean covered exercise/tax liability with 23,919 shares, decreasing direct ownership by 3% to 819,157 units (SEC Form 4)

President & CEO Egholm Michael covered exercise/tax liability with 9,906 shares, decreasing direct ownership by 0.36% to 2,731,285 units (SEC Form 4)

Chief Financial Officer Kim Hanjoon Alex covered exercise/tax liability with 2,583 shares, decreasing direct ownership by 0.28% to 927,703 units (SEC Form 4)

Chief Financial Officer Kim Hanjoon Alex sold $1,344 worth of shares (1,428 units at $0.94), decreasing direct ownership by 0.15% to 930,286 units (SEC Form 4)

SVP & Chief Business Officer Mackay Sean sold $12,437 worth of shares (13,217 units at $0.94), decreasing direct ownership by 2% to 843,076 units (SEC Form 4)

President & CEO Egholm Michael sold $5,150 worth of shares (5,473 units at $0.94), decreasing direct ownership by 0.20% to 2,741,191 units (SEC Form 4)

Chief Financial Officer Kim Hanjoon Alex sold $1,358 worth of shares (1,355 units at $1.00), decreasing direct ownership by 0.15% to 931,714 units (SEC Form 4)

President & CEO Egholm Michael sold $5,126 worth of shares (5,116 units at $1.00), decreasing direct ownership by 0.19% to 2,746,664 units (SEC Form 4)

SVP & Chief Business Officer Mackay Sean sold $25,784 worth of shares (25,374 units at $1.02), decreasing direct ownership by 3% to 856,293 units (SEC Form 4)

President & CEO Egholm Michael covered exercise/tax liability with 18,343 shares and sold $4,861 worth of shares (4,719 units at $1.03), decreasing direct ownership by 0.83% to 2,751,780 units (SEC Form 4)

Chief Financial Officer Kim Hanjoon Alex covered exercise/tax liability with 6,364 shares and sold $1,449 worth of shares (1,407 units at $1.03), decreasing direct ownership by 0.83% to 933,069 units (SEC Form 4)

President & CEO Egholm Michael converted options into 196,512 shares and covered exercise/tax liability with 57,676 shares, increasing direct ownership by 5% to 2,774,842 units (SEC Form 4)