CHESS ROBERT
SEC Form 4 insider trading activity
CHESS ROBERT has filed 4 SEC Form 4 filings (6 transaction rows) across 2 companies, including NKTR, TWST, with disclosures dating back to 2026. 4 of those filings fall inside the rolling window. Most recent filing: Sep 26, 2026.
On the most recent filing, CHESS ROBERT is listed as Director at Twist Bioscience Corp. Inside the rolling window, CHESS ROBERT reported no open-market purchases and 3 open-market sales totaling $2.6M in TWST. The largest disclosed transaction in the window is a sale of 18,417 TWST shares on Aug 7, 2026, worth $2.0M.
Companies traded
Other insiders at NKTR
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$2.6M
reported sales (SEC code S)
Companies
2
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has CHESS ROBERT made?
CHESS ROBERT has filed 4 SEC Form 4 filings (6 transaction rows) across 2 companies, including NKTR, TWST since 2026.
Which companies does CHESS ROBERT trade?
CHESS ROBERT has filed SEC Form 4 disclosures for 2 companies, including NKTR, TWST.
When was CHESS ROBERT's most recent SEC Form 4 filing?
CHESS ROBERT's most recent SEC Form 4 filing on Tracefour is dated Sep 26, 2026.
What is CHESS ROBERT's total buy and sell value in the current window?
Inside the rolling retention window, CHESS ROBERT bought $0 and sold $2.6M based on SEC Form 4 filings.
What was CHESS ROBERT's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 18,417 TWST shares on 2026-08-07, worth $2.0M, per SEC Form 4 filings.