Robert Chess
CIK: 0001227886
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (18 total)
- Sep 23, 2026NKTR
NEKTAR THERAPEUTICS
Award(A)Direct2K shares- - Aug 7, 2026TWST
Twist Bioscience Corp
Exercise(M)Direct18.4K shares at avg. $11.89$219K - Aug 7, 2026TWST
Twist Bioscience Corp
Sale(S)Direct18.4K shares at avg. $110.89$2.0M - Mar 17, 2026TWST
Twist Bioscience Corp
Exercise(M)Direct10K shares at avg. $11.89$119K - Mar 17, 2026TWST
Twist Bioscience Corp
Sale(S)Direct10K shares at avg. $47.00$470K - Feb 13, 2026TWST
Twist Bioscience Corp
Sale(S)Direct2.2K shares at avg. $48.26$105K - Feb 5, 2026TWST
Twist Bioscience Corp
Award(A)Direct5.1K shares- - Sep 30, 2025NKTR
NEKTAR THERAPEUTICS
Award(A)DirectStock Option
8K shares- - Feb 7, 2025TWST
Twist Bioscience Corp
Sale(S)Direct2.9K shares at avg. $53.13$156K - Feb 5, 2025TWST
Twist Bioscience Corp
Award(A)Direct4.5K shares- - Jan 7, 2025TWST
Twist Bioscience Corp
Sale(S)Direct5K shares at avg. $50.00$250K - Dec 5, 2024TWST
Twist Bioscience Corp
Exercise(M)Direct3.5K shares at avg. $8.82$31K - Dec 5, 2024TWST
Twist Bioscience Corp
Sale(S)Direct2.8K shares at avg. $51.70$145K - Dec 5, 2024TWST
Twist Bioscience Corp
Sale(S)Direct709 shares at avg. $52.45$37K - Nov 11, 2024TWST
Twist Bioscience Corp
Sale(S)Direct2.3K shares at avg. $46.99$109K - Nov 11, 2024TWST
Twist Bioscience Corp
Exercise(M)Direct3.6K shares at avg. $8.82$32K - Nov 11, 2024TWST
Twist Bioscience Corp
Sale(S)Direct1.3K shares at avg. $47.76$61K - Sep 18, 2024NKTR
NEKTAR THERAPEUTICS
Award(A)DirectStock Option
120K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Sep 23, 2026 |  NKTR NEKTAR THERAPEUTICS | Award(A) | 2,000 | - | $0 | Direct |
| Aug 7, 2026 |  TWST Twist Bioscience Corp | Exercise(M) | 18,417 | $11.89 | $218,978 | Direct |
| Aug 7, 2026 | TWST Twist Bioscience Corp | Sale(S) | 18,417 | $110.89 | $2,042,261 | Direct |
| Mar 17, 2026 | TWST Twist Bioscience Corp | Exercise(M) | 10,000 | $11.89 | $118,900 | Direct |
| Mar 17, 2026 | TWST Twist Bioscience Corp | Sale(S) | 10,000 | $47.00 | $470,000 | Direct |
| Feb 13, 2026 | TWST Twist Bioscience Corp | Sale(S) | 2,184 | $48.26 | $105,402 | Direct |
| Feb 5, 2026 | TWST Twist Bioscience Corp | Award(A) | 5,095 | - | $0 | Direct |
| Sep 30, 2025 | NKTR NEKTAR THERAPEUTICS | Award(A) Stock Option | 8,000 | - | - | Direct |
| Feb 7, 2025 | TWST Twist Bioscience Corp | Sale(S) | 2,940 | $53.13 | $156,217 | Direct |
| Feb 5, 2025 | TWST Twist Bioscience Corp | Award(A) | 4,472 | - | - | Direct |
| Jan 7, 2025 | TWST Twist Bioscience Corp | Sale(S) | 5,000 | $50.00 | $250,000 | Direct |
| Dec 5, 2024 | TWST Twist Bioscience Corp | Exercise(M) | 3,504 | $8.82 | $30,905 | Direct |
| Dec 5, 2024 | TWST Twist Bioscience Corp | Sale(S) | 2,795 | $51.70 | $144,508 | Direct |
| Dec 5, 2024 | TWST Twist Bioscience Corp | Sale(S) | 709 | $52.45 | $37,188 | Direct |
| Nov 11, 2024 | TWST Twist Bioscience Corp | Sale(S) | 2,324 | $46.99 | $109,203 | Direct |
| Nov 11, 2024 | TWST Twist Bioscience Corp | Exercise(M) | 3,600 | $8.82 | $31,752 | Direct |
| Nov 11, 2024 | TWST Twist Bioscience Corp | Sale(S) | 1,276 | $47.76 | $60,935 | Direct |
| Sep 18, 2024 | NKTR NEKTAR THERAPEUTICS | Award(A) Stock Option | 120,000 | - | - | Direct |
1-18 of 18 transactions
About CHESS ROBERT
CHESS ROBERT (SEC CIK 0001227886) files insider reports with the SEC as Director of NEKTAR THERAPEUTICS (NKTR) and Director of Twist Bioscience Corp (TWST).
Signal8 holds 12 ownership filings by CHESS ROBERT (11 Form 4, 1 Form 5), filed between Nov 13, 2024 and Sep 25, 2026. Those filings report 18 transactions, from Sep 18, 2024 to Sep 23, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on CHESS ROBERT's filings is in SAN FRANCISCO, CA.
Recent filings by CHESS ROBERT
- Sep 23, 2026: Grant or award of NKTR shares (Form 4, code A).
- Aug 7, 2026: Option exercise of TWST shares (Form 4, code M).
- Aug 7, 2026: Open-market sale of TWST shares (Form 4, code S).
- Mar 17, 2026: Option exercise of TWST shares (Form 4, code M).
- Mar 17, 2026: Open-market sale of TWST shares (Form 4, code S).
Other insiders filing for NEKTAR THERAPEUTICS (NKTR)
- WHITFIELD ROY A, Director
- GREER R SCOTT, Director
- Brainard Diana, Director
- Ajer Jeffrey Robert, Director
- Zalevsky Jonathan, Chief R&D Officer
- ROBIN HOWARD W, President & CEO