Insider Trading activities at Twist Bioscience Corp (TWST) , Part 3

Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Twist Bioscience Corp (TWST) since 2018 are shown in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Twist Bioscience Corp. (See page 1 of this report.) Table 2 shows the detailed insider transactions. This company's CIK number is 1581280.

Total stock buying since 2018: $2,482,096.
Total stock sales since 2018: $203,205,797.
Total stock option exercises since 2018: $14,780,022.


 1   2   3 
18 insiders reported insider trading activities at Twist Bioscience Corp (TWST):
Insider trading activities of Cho Dennis
Insider trading activities of Peck Bill
Insider trading activities of Leproust Emily M.
Insider trading activities of Ragusa Robert P
Insider trading activities of Werner Robert F.
Insider trading activities of Thorburn James M
Insider trading activities of Johannessen Jan
Insider trading activities of Nelsen Robert
Insider trading activities of Chess Robert
Insider trading activities of Weiss Patrick
Insider trading activities of Barthelemy Nicolas
Insider trading activities of Laponis Adam
Insider trading activities of Crandell Keith
Insider trading activities of Green Paula
Insider trading activities of Starovasnik Melissa A.
Insider trading activities of Finn Patrick John
Insider trading activities of Banyai William
Insider trading activities of Daniels Mark

Table 1. Yearly summary of insider stock purchases, sales, and option exercises at Twist Bioscience Corp (TWST).
Insider Buying Insider Sales Option Exercises
Year Shares Value Shares Value Shares Value
2025 0 $0 72,254 $2,787,559 0 $0
2024 0 $0 118,437 $5,127,800 3,600 $31,752
2023 10,000 $132,000 3,464 $91,640 37,684 $299,367
2022 8,550 $250,096 70,986 $3,054,548 73,510 $1,342,259
2021 0 $0 762,905 $96,307,488 384,708 $4,677,706
2020 0 $0 1,114,543 $85,973,231 481,691 $7,283,377
2019 0 $0 380,075 $9,863,531 198,643 $1,145,561
2018 150,000 $2,100,000 0 $0 0 $0


Table 3. Detailed insider trading at Twist Bioscience Corp (TWST) , Part 3
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2021-02-09 Leproust Emily M. (President & CEO) Sale 75,000 178.43 13,382,550
2021-02-09 Barthelemy Nicolas Sale 5,000 177.61 888,035
2021-02-09 Barthelemy Nicolas Option Ex 5,000 23.33 116,649
2021-02-05 Chess Robert Sale 706 159.54 112,635
2021-02-04 Daniels Mark (See Remarks) Sale 668 191.52 127,935
2021-02-04 Daniels Mark (See Remarks) Option Ex 668 10.70 7,147
2021-02-02 Finn Patrick John (Chief Commercial Officer) Sale 2,702 183.59 496,060
2021-02-02 Finn Patrick John (Chief Commercial Officer) Option Ex 2,702 19.60 52,967
2021-02-01 Daniels Mark (See Remarks) Sale 1,166 166.74 194,418
2021-02-01 Daniels Mark (See Remarks) Option Ex 1,166 26.66 31,085
2021-01-28 Daniels Mark (See Remarks) Sale 377 161.02 60,704
2021-01-28 Daniels Mark (See Remarks) Option Ex 377 8.82 3,325
2021-01-25 Daniels Mark (See Remarks) Sale 905 193.00 174,665
2021-01-25 Daniels Mark (See Remarks) Option Ex 620 23.33 14,464
2021-01-25 Green Paula (SVP of Human Resources) Sale 246 193.00 47,478
2021-01-25 Banyai William (See Remarks) Sale 14,099 192.95 2,720,345
2021-01-20 Leproust Emily M. (President & CEO) Sale 5,000 210.21 1,051,025
2021-01-19 Leproust Emily M. (President & CEO) Sale 20,000 200.78 4,015,560
2021-01-14 Leproust Emily M. (President & CEO) Sale 10,000 182.92 1,829,199
2021-01-12 Leproust Emily M. (President & CEO) Sale 2,000 166.63 333,268
2021-01-05 Finn Patrick John (Chief Commercial Officer) Sale 2,702 132.93 359,176
2021-01-05 Finn Patrick John (Chief Commercial Officer) Option Ex 2,702 19.60 52,967
2021-01-04 Daniels Mark (See Remarks) Sale 669 138.61 92,730
2021-01-04 Daniels Mark (See Remarks) Option Ex 669 10.70 7,158
2020-12-31 Daniels Mark (See Remarks) Sale 1,166 152.13 177,383
2020-12-31 Daniels Mark (See Remarks) Option Ex 1,166 26.66 31,085
2020-12-28 Daniels Mark (See Remarks) Sale 377 167.10 62,996
2020-12-28 Daniels Mark (See Remarks) Option Ex 377 8.82 3,325
2020-12-24 Daniels Mark (See Remarks) Sale 620 167.79 104,029
2020-12-24 Daniels Mark (See Remarks) Option Ex 620 23.33 14,464
2020-12-24 Leproust Emily M. (President & CEO) Option Ex 5,300 5.95 31,535
2020-12-23 Leproust Emily M. (President & CEO) Sale 5,000 169.74 848,685
2020-12-22 Leproust Emily M. (President & CEO) Sale 5,000 160.46 802,310
2020-12-21 Daniels Mark (See Remarks) Option Ex 12,451 9.76 121,521
2020-12-21 Leproust Emily M. (President & CEO) Sale 10,000 150.42 1,504,160
2020-12-18 Leproust Emily M. (President & CEO) Sale 2,000 145.44 290,884
2020-12-15 Daniels Mark (See Remarks) Sale 70,475 133.05 9,376,769
2020-12-15 Daniels Mark (See Remarks) Option Ex 68,844 15.09 1,038,993
2020-12-15 Green Paula (SVP of Human Resources) Sale 4,634 139.73 647,508
2020-12-15 Banyai William (See Remarks) Sale 20,000 132.75 2,654,980
2020-12-15 Leproust Emily M. (President & CEO) Sale 70,000 133.43 9,340,380
2020-12-14 Weiss Patrick (Chief Operating Officer) Sale 40,000 144.40 5,776,000
2020-12-14 Weiss Patrick (Chief Operating Officer) Option Ex 40,000 20.17 806,680
2020-12-11 Weiss Patrick (Chief Operating Officer) Sale 3,558 151.13 537,720
2020-12-11 Weiss Patrick (Chief Operating Officer) Option Ex 3,558 7.38 26,275
2020-12-10 Weiss Patrick (Chief Operating Officer) Sale 3,550 138.62 492,101
2020-12-10 Weiss Patrick (Chief Operating Officer) Option Ex 3,550 7.38 26,216
2020-12-10 Thorburn James M (Chief Financial Officer) Sale 20,018 149.40 2,990,589
2020-12-10 Thorburn James M (Chief Financial Officer) Option Ex 20,000 17.46 349,200
2020-12-07 Finn Patrick John (Chief Commercial Officer) Sale 25,845 132.35 3,420,714
2020-12-07 Finn Patrick John (Chief Commercial Officer) Option Ex 25,845 19.60 506,639
2020-12-07 Crandell Keith Sale 75,000 103.40 7,755,000
2020-11-30 Banyai William (See Remarks) Sale 2,790 113.65 317,083
2020-11-13 Weiss Patrick (Chief Operating Officer) Sale 3,550 107.20 380,560
2020-11-13 Weiss Patrick (Chief Operating Officer) Option Ex 3,550 7.38 26,216
2020-11-12 Weiss Patrick (Chief Operating Officer) Sale 3,550 102.90 365,295
2020-11-12 Weiss Patrick (Chief Operating Officer) Option Ex 3,550 7.38 26,216
2020-10-09 Weiss Patrick (Chief Operating Officer) Sale 3,550 86.63 307,536
2020-10-09 Weiss Patrick (Chief Operating Officer) Option Ex 3,550 7.38 26,216
2020-10-08 Weiss Patrick (Chief Operating Officer) Sale 3,550 89.58 318,009
2020-10-08 Weiss Patrick (Chief Operating Officer) Option Ex 3,550 7.38 26,216
2020-09-18 Weiss Patrick (Chief Operating Officer) Sale 3,550 65.21 231,495
2020-09-18 Weiss Patrick (Chief Operating Officer) Option Ex 3,550 7.38 26,216
2020-09-17 Weiss Patrick (Chief Operating Officer) Sale 11,121 60.75 675,600
2020-09-17 Weiss Patrick (Chief Operating Officer) Option Ex 3,550 7.38 26,216
2020-09-16 Green Paula (VP of Human Resources) Sale 26,988 63.49 1,713,603
2020-09-16 Green Paula (VP of Human Resources) Option Ex 26,988 7.38 199,306
2020-09-09 Thorburn James M (Chief Financial Officer) Sale 20,000 66.16 1,323,280
2020-09-09 Thorburn James M (Chief Financial Officer) Option Ex 20,000 26.66 533,200
2020-09-08 Leproust Emily M. (President & CEO) Sale 3,482 60.35 210,156
2020-09-08 Thorburn James M (Chief Financial Officer) Sale 70,000 63.46 4,442,480
2020-09-08 Thorburn James M (Chief Financial Officer) Option Ex 70,000 19.12 1,338,750
2020-09-04 Leproust Emily M. (President & CEO) Sale 96,518 63.89 6,166,921
2020-09-04 Thorburn James M (Chief Financial Officer) Sale 30,000 63.55 1,906,620
2020-09-04 Thorburn James M (Chief Financial Officer) Option Ex 30,000 11.59 347,700
2020-08-31 Finn Patrick John (Chief Commercial Officer) Option Ex 2,358 8.82 20,797
2020-08-27 Finn Patrick John (Chief Commercial Officer) Sale 2,358 67.01 158,007
2020-08-17 Daniels Mark (See Remarks) Sale 20,994 68.00 1,427,592
2020-08-17 Daniels Mark (See Remarks) Option Ex 20,994 5.95 124,914
2020-08-14 Daniels Mark (See Remarks) Sale 9,006 66.50 598,899
2020-08-14 Daniels Mark (See Remarks) Option Ex 9,006 5.95 53,585
2020-08-13 Daniels Mark (See Remarks) Sale 14,502 64.52 935,596
2020-08-13 Daniels Mark (See Remarks) Option Ex 14,502 5.95 86,286
2020-08-07 Leproust Emily M. (President & CEO) Sale 14,000 70.30 984,130
2020-07-31 Finn Patrick John (Chief Commercial Officer) Option Ex 4,716 8.82 41,594
2020-07-23 Finn Patrick John (Chief Commercial Officer) Sale 2,358 59.11 139,374
2020-07-21 Leproust Emily M. (President & CEO) Sale 15,000 59.33 889,965
2020-07-16 Banyai William (See Remarks) Sale 11,000 53.45 587,950
2020-07-15 Banyai William (See Remarks) Sale 11,000 55.83 614,163
2020-07-08 Finn Patrick John (Chief Commercial Officer) Option Ex 28,820 26.66 768,341
2020-07-08 Banyai William (See Remarks) Sale 25,000 53.01 1,325,275
2020-07-08 Leproust Emily M. (President & CEO) Sale 19,700 51.06 1,005,842
2020-07-07 Finn Patrick John (Chief Commercial Officer) Sale 16,084 47.75 767,994
2020-07-07 Leproust Emily M. (President & CEO) Sale 300 49.00 14,700
2020-07-06 Finn Patrick John (Chief Commercial Officer) Sale 11,336 46.69 529,266
2020-07-02 Finn Patrick John (Chief Commercial Officer) Sale 1,400 46.68 65,353
2020-06-25 Finn Patrick John (Chief Commercial Officer) Option Ex 841 8.82 7,417
2020-06-16 Daniels Mark (See Remarks) Sale 3,536 38.80 137,182
2020-06-16 Daniels Mark (See Remarks) Option Ex 3,536 5.95 21,039
2020-06-16 Banyai William (See Remarks) Sale 11,000 38.75 426,206
2020-06-15 Green Paula (VP of Human Resources) Sale 16,833 38.00 639,654
2020-06-15 Green Paula (VP of Human Resources) Option Ex 16,833 5.95 100,156
2020-06-15 Banyai William (See Remarks) Sale 11,000 38.21 420,343
2020-06-10 Daniels Mark (See Remarks) Sale 1,962 40.00 78,480
2020-06-08 Weiss Patrick (Chief Operating Officer) Sale 20,000 37.25 744,940
2020-06-01 Banyai William (See Remarks) Sale 20,113 40.01 804,640
2020-06-01 Leproust Emily M. (President & CEO) Sale 24,500 39.14 958,881
2020-05-29 Finn Patrick John (Chief Commercial Officer) Option Ex 841 8.82 7,417
2020-05-28 Finn Patrick John (Chief Commercial Officer) Sale 2,116 37.31 78,954
2020-05-26 Finn Patrick John (Chief Commercial Officer) Option Ex 4,207 38.46 161,801
2020-05-26 Leproust Emily M. (President & CEO) Sale 10,593 39.08 414,006
2020-05-22 Leproust Emily M. (President & CEO) Sale 14,513 39.45 572,595
2020-05-21 Banyai William (See Remarks) Sale 4,887 40.03 195,626
2020-05-21 Leproust Emily M. (President & CEO) Sale 14,438 38.95 562,345
2020-05-20 Finn Patrick John (Chief Commercial Officer) Sale 4,207 40.28 169,457
2020-05-20 Banyai William (See Remarks) Sale 22,000 39.87 877,096
2020-05-20 Leproust Emily M. (President & CEO) Sale 40,956 40.27 1,649,380
2020-02-19 Weiss Patrick (Chief Operating Officer) Sale 1,742 28.66 49,923
2020-02-18 Weiss Patrick (Chief Operating Officer) Sale 4,090 30.71 125,587
2020-02-18 Banyai William (See Remarks) Sale 11,000 30.71 337,777
2020-02-06 Weiss Patrick (Chief Operating Officer) Sale 7,680 28.16 216,253
2020-02-06 Weiss Patrick (Chief Operating Officer) Option Ex 7,680 26.66 204,748
2020-02-05 Weiss Patrick (Chief Operating Officer) Sale 4,089 26.26 107,368
2020-02-04 Weiss Patrick (Chief Operating Officer) Sale 4,090 26.20 107,178
2020-01-23 Finn Patrick John (Chief Commercial Officer) Option Ex 15,000 8.82 132,300
2020-01-22 Finn Patrick John (Chief Commercial Officer) Sale 15,000 22.61 339,135
2020-01-22 Weiss Patrick (Chief Operating Officer) Sale 4,089 22.64 92,570
2020-01-21 Weiss Patrick (Chief Operating Officer) Sale 4,089 22.27 91,053
2020-01-16 Banyai William (See Remarks) Sale 11,000 22.82 251,009
2020-01-15 Banyai William (See Remarks) Sale 11,000 22.97 252,670
2020-01-08 Weiss Patrick (Chief Operating Officer) Sale 4,090 21.51 87,971
2019-12-18 Finn Patrick John (Chief Commercial Officer) Sale 15,000 25.27 378,975
2019-12-17 Finn Patrick John (Chief Commercial Officer) Option Ex 7,538 7.38 55,668
2019-12-17 Banyai William (Chief Operating Officer) Sale 11,000 25.63 281,908
2019-12-16 Banyai William (Chief Operating Officer) Sale 11,000 26.69 293,568
2019-11-27 Finn Patrick John (Chief Commercial Officer) Sale 36,932 23.32 861,254
2019-11-26 Finn Patrick John (Chief Commercial Officer) Option Ex 33,000 5.95 196,350
2019-11-18 Banyai William (Chief Operating Officer) Sale 11,000 21.29 234,146
2019-11-15 Banyai William (Chief Operating Officer) Sale 11,000 21.48 236,302
2019-10-29 Finn Patrick John (Chief Commercial Officer) Option Ex 9,311 8.82 82,123
2019-10-25 Finn Patrick John (Chief Commercial Officer) Option Ex 31,151 3.57 111,209
2019-10-24 Finn Patrick John (SVP, Commercial Operations) Sale 6,236 22.43 139,885
2019-10-23 Finn Patrick John (SVP, Commercial Operations) Sale 26,764 23.39 625,929
2019-10-16 Weiss Patrick (SVP, R&D GM Data Storage) Sale 7,364 23.96 176,456
2019-10-16 Weiss Patrick (SVP, R&D GM Data Storage) Option Ex 7,364 7.38 54,383
2019-10-16 Banyai William (Chief Operating Officer) Sale 11,000 23.97 263,637
2019-10-15 Weiss Patrick (SVP, R&D GM Data Storage) Sale 7,364 23.17 170,594
2019-10-15 Weiss Patrick (SVP, R&D GM Data Storage) Option Ex 7,364 7.38 54,383
2019-10-15 Banyai William (Chief Operating Officer) Sale 11,000 23.47 258,126
2019-10-11 Finn Patrick John (SVP, Commercial Operations) Option Ex 34,000 1.19 40,460
2019-10-02 Weiss Patrick (SVP, R&D GM Data Storage) Sale 7,365 22.52 165,874
2019-10-02 Weiss Patrick (SVP, R&D GM Data Storage) Option Ex 7,365 7.38 54,390
2019-10-01 Peck Bill (Chief Technology Officer) Sale 20,000 23.62 472,400
2019-10-01 Weiss Patrick (SVP, R&D GM Data Storage) Sale 7,364 23.31 171,669
2019-10-01 Weiss Patrick (SVP, R&D GM Data Storage) Option Ex 7,364 7.38 54,383
2019-09-26 Finn Patrick John (SVP, Commercial Operations) Sale 13,711 24.89 341,321
2019-09-25 Finn Patrick John (SVP, Commercial Operations) Sale 23,289 25.75 599,715
2019-09-18 Weiss Patrick (SVP, R&D GM Data Storage) Sale 7,364 30.03 221,155
2019-09-18 Weiss Patrick (SVP, R&D GM Data Storage) Option Ex 7,364 7.38 54,383
2019-09-17 Weiss Patrick (SVP, R&D GM Data Storage) Sale 7,364 29.83 219,682
2019-09-17 Weiss Patrick (SVP, R&D GM Data Storage) Option Ex 7,364 7.38 54,383
2019-09-17 Banyai William (Chief Operating Officer) Sale 11,000 29.79 327,712
2019-09-16 Peck Bill (Chief Technology Officer) Sale 19,153 30.06 575,681
2019-09-16 Daniels Mark (SVP, Chief Legal Officer) Sale 1,500 29.90 44,850
2019-09-16 Banyai William (Chief Operating Officer) Sale 11,000 30.11 331,166
2019-09-13 Peck Bill (Chief Technology Officer) Sale 400 30.00 12,000
2019-09-04 Weiss Patrick (SVP, R&D GM Data Storage) Sale 7,364 27.13 199,792
2019-09-04 Weiss Patrick (SVP, R&D GM Data Storage) Option Ex 7,364 7.38 54,383
2019-09-03 Peck Bill (Chief Technology Officer) Sale 20,447 28.86 590,018
2019-09-03 Weiss Patrick (SVP, R&D GM Data Storage) Sale 7,364 28.68 211,170
2019-09-03 Weiss Patrick (SVP, R&D GM Data Storage) Option Ex 7,364 7.38 54,383
2019-08-27 Banyai William (Chief Operating Officer) Sale 11,000 28.00 307,967
2019-08-26 Banyai William (Chief Operating Officer) Sale 11,000 28.19 310,068
2019-08-22 Weiss Patrick (SVP, R&D GM Data Storage) Sale 3,000 29.75 89,235
2019-08-21 Weiss Patrick (SVP, R&D GM Data Storage) Sale 7,364 31.11 229,064
2019-08-21 Weiss Patrick (SVP, R&D GM Data Storage) Option Ex 7,364 7.38 54,383
2019-08-20 Weiss Patrick (SVP, R&D GM Data Storage) Sale 7,366 30.41 223,963
2019-08-20 Weiss Patrick (SVP, R&D GM Data Storage) Option Ex 7,366 7.38 54,397
2019-08-19 Thorburn James M (Chief Financial Officer) Sale 3,500 30.35 106,239
2019-08-19 Thorburn James M (Chief Financial Officer) Option Ex 3,500 11.59 40,565
2019-08-16 Thorburn James M (Chief Financial Officer) Sale 6,500 29.54 192,010
2019-08-16 Thorburn James M (Chief Financial Officer) Option Ex 6,500 11.59 75,335
2018-11-02 Nelsen Robert (10% Owner) Buy 75,000 14.00 1,050,000
2018-11-02 Crandell Keith (Director) Buy 75,000 14.00 1,050,000
 1   2   3 

Insider trading activities including stock purchases, stock sales, and option exercises of TWST listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Twist Bioscience Corp (symbol TWST, CIK number 1581280) see the Securities and Exchange Commission (SEC) website.



©2023, insider-monitor.com. All rights reserved.