CHESS ROBERT

TWST

CHESS ROBERT serves as director at Twist Bioscience Corporation (TWST). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

24 trades

$6.89M

Net Position

Net Seller

$6.89M

Companies Traded

TWST, NKTR

Active Period

Apr 2021 – Aug 2026

24 total trades

Most Recent

Sell TWST

Aug 11, 2026 · $2.04M

CHESS ROBERT's Insider Trading at Twist Bioscience Corporation (TWST)

Buys

0 · $0.00

Sells

16 · $6.07M

Total Shares Bought

Total Shares Sold

72,192

TWST Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Aug 11, 2026	Sell	18,417	$110.89	$2.04M	21,084
Mar 19, 2026	Sell	10,000	$47.00	$470.0K	21,084
Feb 18, 2026	Sell	2,184	$48.26	$105.4K	21,084
Feb 13, 2026	Sell	2,184	$48.26	$105.4K	0
Feb 11, 2025	Sell	2,940	$53.14	$156.2K	18,173
Jan 10, 2025	Sell	5,000	$50.00	$250.0K	16,641
Dec 30, 2024	Sell	3,504	$51.85	$181.7K	22,350
Nov 13, 2024	Sell	3,600	$47.26	$170.1K	22,917
Feb 9, 2024	Sell	4,110	$34.98	$143.8K	64,169
Feb 8, 2022	Sell	253	$58.88	$14.9K	50,761
Nov 3, 2021	Sell	4,000	$120.15	$480.6K	51,014
Oct 25, 2021	Sell	3,700	$120.15	$444.5K	55,014
Oct 21, 2021	Sell	300	$120.00	$36.0K	58,714
Sep 14, 2021	Sell	4,000	$120.23	$480.9K	59,014
Jul 14, 2021	Sell	4,000	$125.91	$503.6K	66,404
Jun 25, 2021	Sell	4,000	$120.10	$480.4K	67,014

CHESS ROBERT's Insider Trading at Nektar Therapeutics (NKTR)

Buys

0 · $0.00

Sells

8 · $824.4K

Total Shares Bought

Total Shares Sold

79,400

NKTR Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Jun 14, 2024	Sell	19,500	$1.20	$23.4K	255,273
Sep 20, 2023	Sell	10,200	$0.67	$6.8K	274,773
Sep 26, 2022	Sell	5,100	$3.19	$16.3K	228,179
Sep 24, 2021	Sell	4,600	$17.94	$82.5K	279,873
Sep 10, 2021	Sell	18,279	$16.01	$292.7K	274,273
Jul 22, 2021	Sell	5,721	$16.81	$96.1K	280,573
May 14, 2021	Sell	8,000	$19.34	$154.7K	280,573
Apr 16, 2021	Sell	8,000	$18.98	$151.8K	280,573