SEC Form 4 reporting owner

Chess Robert

Chess Robert has filed 6 Form 4 transactions reported between February 5, 2026 and September 23, 2026, as a reporting owner of NEKTAR THERAPEUTICS and a reporting owner of Twist Bioscience Corp.

Name as filed: CHESS ROBERT

Open-market buys, 24 mo

None

reported

Open-market sales, 24 mo

$105K

1 lines

Companies

with Form 4 filings

Latest transaction

Sep 23, 2026

transaction date

Roles and reported holdings

NKTRNEKTAR THERAPEUTICS
Sep 23, 2026
Reporting owner
No common-stock holding reported on a purchase, sale, gift or withholding line.
TWSTTwist Bioscience Corp
Feb 5, 2026 – Aug 7, 2026
Reporting owner
Held directly21,084 sh as of Feb 13, 2026 · Form 4
24 months: $105K sold

Transaction history

All 6 reported transactions, newest first. Every row links to the Form 4 on SEC EDGAR.

Date	Company	Type	Shares	Price	Value	Owned after	Filing
Sep 23, 2026	NKTR	Grant or awardCode A · direct	4,000	—	—	4,000	Form 4
Sep 23, 2026	NKTR	Grant or awardCode A · direct	2,000	—	—	19,019	Form 4
Aug 7, 2026	TWST	Option exerciseCode M · direct	18,417	$11.89	$219K@ $11.89	39,501	Form 4
Mar 17, 2026	TWST	Option exerciseCode M · direct	10,000	$11.89	$119K@ $11.89	31,084	Form 4
Feb 13, 2026	TWST	Open-market saleCode S · direct	2,184	$48.26	$105K@ $48.26	21,084	Form 4
Feb 5, 2026	TWST	Grant or awardCode A · direct	5,095	—	—	23,268	Form 4

How this page is built

Every row comes from a Form 4 filed with the SEC, which officers, directors and holders of more than 10% of a company’s stock must file within two business days of a trade. Transactions are grouped by the reporting owner’s name as filed (spacing, capitals and punctuation ignored); two different people filing under an identical name would appear together, and one person filing under two spellings appears on two pages.

Open-market totals count code P purchases and code S sales over the last 24 months. The same trade reported on more than one filing is counted once; when another owner (for example a fund and its general partner) reports the identical trade, they are listed beside it. Holdings are the shares owned after the latest purchase, sale, gift or tax-withholding line, shown separately for direct and indirect ownership; an indirect figure is one holding line, not a total across every trust or entity.

This page describes what was filed with the SEC; it is not investment advice or a recommendation to buy or sell any security.