CHESS ROBERT

CHESS ROBERT serves as director at Nektar Therapeutics (NKTR). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

10 trades

$1.04M

Net Position

Net Seller

$1.04M

Companies Traded

2

TWST, NKTR

Active Period

Apr 2021 – Feb 2026

10 total trades

Most Recent

Sell TWST

Feb 18, 2026 · $105.4K

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

Buys

0 · $0.00

Sells

8 · $824.4K

Total Shares Bought

0

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

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

Buys

0 · $0.00

Sells

2 · $210.8K

Total Shares Bought

0

Total Shares Sold

4,368

TWST Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Feb 18, 2026↗	Sell	2,184	$48.26	$105.4K	21,084
Feb 13, 2026↗	Sell	2,184	$48.26	$105.4K	0

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TWSTSell · Mar 6, 2026

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TWSTSell · Mar 6, 2026

Emily M. Leproust

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TWSTSell · Mar 6, 2026

WERNER ROBERT F.

officer: Chief Accounting Officer

TWSTSell · Mar 6, 2026

Patrick John Finn

officer: President and COO

TWSTSell · Feb 23, 2026

Adam Laponis

officer: Chief Financial Officer

TWSTSell · Feb 23, 2026

Jonathan Zalevsky

officer: Chief R&D Officer

NKTRSell · Feb 18, 2026

Jonathan Zalevsky

Chief R&D Officer

NKTRSell · Feb 18, 2026

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