Form4insider filings, from the source

Insider · CIK 0001227886

Robert Chess

Files at: NKTR, TWST. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $2.0M · 1net −$2.0M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesMar 26Apr 25May 26Jun 26Jul 27Aug 27Sep 26

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Sep 23, 2026 AForm 4 →Sep 25, 8:22 pm EDTNEKTAR THERAPEUTICSNKTR2,000——19,019—
Aug 7, 2026 SForm 4 →Aug 11, 4:05 pm EDTTwist Bioscience CorpTWST18,417$110.89$2,042,26121,084−46.6%10b5-1
Aug 7, 2026 MForm 4 →Aug 11, 4:05 pm EDTTwist Bioscience CorpTWST18,417$11.89$218,97839,501—10b5-1

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Sep 23, 2026 AForm 4 →Sep 25, 8:22 pm EDTNEKTAR THERAPEUTICSNKTR4,000——4,000—
Aug 7, 2026 MForm 4 →Aug 11, 4:05 pm EDTTwist Bioscience CorpTWST18,417——0—10b5-1