Robert Chess

Track

Insider profile

Currently holds positions in Nektar Therapeutics and Twist Bioscience Corp

Performance

Overall performance
3.0
Performance over holding periods
3.0
30 days 90 days 120 days
Average return 12% 8.2% 15.1%
Success rate 66% 68% 82%
Transactions
4 0% Buy
34 71% Buy
47 69% Buy
Ranking by holding-period performance

Positions

Position Company Period
Independent Chairman of the Board Nektar Therapeutics Jan. 8, 2007 -
Lead Independent Director Twist Bioscience Corp Oct. 30, 2018 -
Director Twist Bioscience Corp Jan. 1, 2014 - Oct. 30, 2018
Robert Chess's trades of Twist Bioscience Corp's stock


• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Transaction date
Planned sale
Price
334.18
Quantity 80,907 +21.3%
Value US$269,696
Transaction date
Proposed sale
Price
278.17
Quantity 13,451
Value US$2,983,192
Transaction date
Planned sale
Price
63.11
Quantity 34,853 +21.0%
Value US$3,639,379
Transaction date
Proposed sale
Price
47.00
Quantity 10,000
Value US$470,000
Transaction date
Planned sale
Price
50.00
Quantity 5,000 -23.1%
Value US$250,000
Transaction date
Planned sale
Price
51.70
Quantity 2,795 -11.1%
Value US$144,508
Transaction date
Proposed sale
Price
51.85
Quantity 3,504
Value US$181,696
Transaction date
Planned sale
Price
46.99
Quantity 2,324 -9.2%
Value US$109,203
Transaction date
Proposed sale
Price
1.20
Quantity 19,500
Value US$23,382
Transaction date
Planned sale
Price
1.20
Quantity 19,500 -7.1%
Value US$23,400
Transaction date
Proposed sale
Price
0.67
Quantity 10,200
Value US$6,855
Transaction date
Planned sale
Price
0.67
Quantity 10,200 -3.6%
Value US$6,834
Transaction date
Planned sale
Price
3.19
Quantity 5,100 -2.2%
Value US$16,269
Transaction date
Planned sale
Price
120.15
Quantity 3,700 -6.3%
Value US$444,540
Transaction date
Planned sale
Price
120.23
Quantity 4,000 -6.3%
Value US$480,908
Transaction date
Planned sale
Price
120.10
Quantity 4,000 -5.6%
Value US$480,409
Transaction date
Planned sale
Price
18.98
Quantity 8,000 -2.8%
Value US$151,840
Transaction date
Planned sale
Price
17.75
Quantity 5,500 -1.9%
Value US$97,625
Transaction date
Planned sale
Price
18.53
Quantity 8,000 -2.8%
Value US$148,240
Transaction date
Planned sale
Price
24.58
Quantity 8,000 -2.8%
Value US$196,640
Transaction date
Planned sale
Price
19.02
Quantity 197 -0.1%
Value US$3,747
Transaction date
Planned sale
Price
18.36
Quantity 7,803 -2.7%
Value US$143,263
Transaction date
Planned sale
Price
17.41
Quantity 1,200 -0.4%
Value US$20,892
Transaction date
Planned sale
Price
16.68
Quantity 6,800 -2.4%
Value US$113,424
Transaction date
Planned sale
Price
23.72
Quantity 3,599 -1.3%
Value US$85,368
Transaction date
Planned sale
Price
23.32
Quantity 4,401 -1.5%
Value US$102,631
Transaction date
Planned sale
Price
17.99
Quantity 4,000 -1.4%
Value US$71,960
Transaction date
Planned sale
Price
19.21
Quantity 12,000 -4.6%
Value US$230,520
Notification date Transaction date Company B/S Transaction type Nb. shares
Price
Value 		Number of shares Price Value Details
2026-08-11 2026-08-07
PlS Planned sale
80,907 +21.3%
334.18
US$269,696 		80,907 +21.3% 334.18 US$269,696
2026-08-07 2026-08-07
PrS Proposed sale
13,451
278.17
US$2,983,192 		13,451 278.17 US$2,983,192
2026-03-19 2026-03-17
PlS Planned sale
34,853 +21.0%
63.11
US$3,639,379 		34,853 +21.0% 63.11 US$3,639,379
2026-03-17 2026-03-17
PrS Proposed sale
10,000
47.00
US$470,000 		10,000 47.00 US$470,000
2026-02-18 2026-02-13
S Sale
2,184 -9.4%
48.26
US$105,402 		2,184 -9.4% 48.26 US$105,402
2026-02-13 2026-02-13
PrS Proposed sale
2,184
48.26
US$105,401 		2,184 48.26 US$105,401
2025-02-11 2025-02-07
S Sale
2,940 -13.9%
53.14
US$156,217 		2,940 -13.9% 53.14 US$156,217
2025-01-10 2025-01-07
PlS Planned sale
5,000 -23.1%
50.00
US$250,000 		5,000 -23.1% 50.00 US$250,000
2024-12-30 2024-12-05
PlS Planned sale
709 -3.2%
52.45
US$37,188 		709 -3.2% 52.45 US$37,188
2024-12-30 2024-12-05
PlS Planned sale
2,795 -11.1%
51.70
US$144,508 		2,795 -11.1% 51.70 US$144,508
2024-12-05 2024-12-05
PrS Proposed sale
3,504
51.85
US$181,696 		3,504 51.85 US$181,696
2024-11-13 2024-11-11
PlS Planned sale
1,276 -5.6%
47.76
US$60,935 		1,276 -5.6% 47.76 US$60,935
2024-11-13 2024-11-11
PlS Planned sale
2,324 -9.2%
46.99
US$109,203 		2,324 -9.2% 46.99 US$109,203
2024-06-14 2024-06-14
PrS Proposed sale
19,500
1.20
US$23,382 		19,500 1.20 US$23,382
2024-06-14 2024-06-14
PlS Planned sale
19,500 -7.1%
1.20
US$23,400 		19,500 -7.1% 1.20 US$23,400
2024-02-09 2024-02-08
S Sale
4,110 -6.0%
34.98
US$143,784 		4,110 -6.0% 34.98 US$143,784
2023-09-18 2023-09-18
PrS Proposed sale
10,200
0.67
US$6,855 		10,200 0.67 US$6,855
2023-09-20 2022-09-22
PlS Planned sale
10,200 -3.6%
0.67
US$6,834 		10,200 -3.6% 0.67 US$6,834
2022-09-26 2022-09-22
PlS Planned sale
5,100 -2.2%
3.19
US$16,269 		5,100 -2.2% 3.19 US$16,269
2022-02-08 2022-02-04
S Sale
253 -0.5%
58.88
US$14,896 		253 -0.5% 58.88 US$14,896
2021-11-03 2021-11-01
PlS Planned sale
4,000 -7.3%
120.15
US$480,614 		4,000 -7.3% 120.15 US$480,614
2021-10-25 2021-10-21
PlS Planned sale
3,700 -6.3%
120.15
US$444,540 		3,700 -6.3% 120.15 US$444,540
2021-10-21 2021-10-19
PlS Planned sale
300 -0.5%
120.00
US$36,000 		300 -0.5% 120.00 US$36,000
2021-09-14 2021-09-10
PlS Planned sale
4,000 -6.3%
120.23
US$480,908 		4,000 -6.3% 120.23 US$480,908
2021-06-25 2021-06-23
PlS Planned sale
4,000 -5.6%
120.10
US$480,409 		4,000 -5.6% 120.10 US$480,409
2021-04-16 2021-04-14
PlS Planned sale
8,000 -2.8%
18.98
US$151,840 		8,000 -2.8% 18.98 US$151,840
2021-02-09 2021-02-05
PlS Planned sale
706 -1.0%
159.54
US$112,635 		706 -1.0% 159.54 US$112,635
2020-09-25 2020-09-25
PlS Planned sale
5,500 -1.9%
17.75
US$97,625 		5,500 -1.9% 17.75 US$97,625
2020-09-10 2020-09-08
PlS Planned sale
8,000 -2.8%
18.53
US$148,240 		8,000 -2.8% 18.53 US$148,240
2020-07-10 2020-07-08
PlS Planned sale
8,000 -2.8%
24.58
US$196,640 		8,000 -2.8% 24.58 US$196,640
2020-04-17 2020-04-15
PlS Planned sale
197 -0.1%
19.02
US$3,747 		197 -0.1% 19.02 US$3,747
2020-04-17 2020-04-15
PlS Planned sale
7,803 -2.7%
18.36
US$143,263 		7,803 -2.7% 18.36 US$143,263
2020-03-13 2020-03-11
PlS Planned sale
1,200 -0.4%
17.41
US$20,892 		1,200 -0.4% 17.41 US$20,892
2020-03-13 2020-03-11
PlS Planned sale
6,800 -2.4%
16.68
US$113,424 		6,800 -2.4% 16.68 US$113,424
2020-02-14 2020-02-12
PlS Planned sale
3,599 -1.3%
23.72
US$85,368 		3,599 -1.3% 23.72 US$85,368
2020-02-14 2020-02-12
PlS Planned sale
4,401 -1.5%
23.32
US$102,631 		4,401 -1.5% 23.32 US$102,631
2019-10-01 2019-09-27
PlS Planned sale
4,000 -1.4%
17.99
US$71,960 		4,000 -1.4% 17.99 US$71,960
2016-09-19 2016-09-15
PlS Planned sale
12,000 -4.6%
19.21
US$230,520 		12,000 -4.6% 19.21 US$230,520