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Robert Chess

Track

Insider profile

Currently holds positions in Nektar Therapeutics and Twist Bioscience Corp

Performance

Overall performance
3.2
Performance over holding periods
3.2
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


Subscribe to get access to the transaction volume chart and in-chart transaction details
• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date Company B/S Transaction type Nb. shares
Price
Value 		Number of shares Price Value Details
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
84,250
335.97
US$1,032,004 		84,250 335.97 US$1,032,004
2026-02-18 2026-02-13
S Sale
26,723 +24.5%
38.09
US$2,828,996 		26,723 +24.5% 38.09 US$2,828,996
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