Zalevsky Jonathan
SEC insider (Form 3/4/5 filer). CIK 0001789857. Chief R&D Officer at NEKTAR THERAPEUTICS (NKTR). 22 reported Form 4/5 transactions since Sep 2024; latest on Aug 18, 2026. Located in SAN FRANCISCO, CA.
Companies Zalevsky Jonathan has filed insider reports for
- NEKTAR THERAPEUTICS (NKTR): Officer, Chief R&D Officer
Zalevsky Jonathan
CIK: 0001789857
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
NEKTAR THERAPEUTICS
Discretionary Trading P&L
Holdings
Transaction History (22 total)
- Aug 18, 2026NKTR
NEKTAR THERAPEUTICS
SaleDirect186 shares at avg. $71.98$13K - Jul 24, 2026NKTR
NEKTAR THERAPEUTICS
AwardDirectStock Option
16.5K shares- - Jun 30, 2026NKTR
NEKTAR THERAPEUTICS
SaleDirect5.7K shares at avg. $70.00$398K - Jun 15, 2026NKTR
NEKTAR THERAPEUTICS
SaleDirect5.5K shares at avg. $60.71$336K - May 19, 2026NKTR
NEKTAR THERAPEUTICS
SaleDirect199 shares at avg. $65.51$13K - Feb 18, 2026NKTR
NEKTAR THERAPEUTICS
SaleDirect180 shares at avg. $73.00$13K - Jan 20, 2026NKTR
NEKTAR THERAPEUTICS
SaleDirect3.9K shares at avg. $35.67$138K - Dec 22, 2025NKTR
NEKTAR THERAPEUTICS
AwardDirect6.3K shares- - Nov 25, 2025NKTR
NEKTAR THERAPEUTICS
SaleDirect1.2K shares at avg. $54.28$63K - Nov 21, 2025NKTR
NEKTAR THERAPEUTICS
AwardDirect2.7K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Aug 18, 2026 | NKTR NEKTAR THERAPEUTICS | Sale | 186 | $71.98 | $13,388 | Direct |
| Jul 24, 2026 | NKTR NEKTAR THERAPEUTICS | Award Stock Option | 16,500 | - | - | Direct |
| Jun 30, 2026 | NKTR NEKTAR THERAPEUTICS | Sale | 5,681 | $70.00 | $397,670 | Direct |
| Jun 15, 2026 | NKTR NEKTAR THERAPEUTICS | Sale | 5,538 | $60.71 | $336,212 | Direct |
| May 19, 2026 | NKTR NEKTAR THERAPEUTICS | Sale | 199 | $65.51 | $13,036 | Direct |
| Feb 18, 2026 | NKTR NEKTAR THERAPEUTICS | Sale | 180 | $73.00 | $13,140 | Direct |
| Jan 20, 2026 | NKTR NEKTAR THERAPEUTICS | Sale | 3,867 | $35.67 | $137,936 | Direct |
| Dec 22, 2025 | NKTR NEKTAR THERAPEUTICS | Award | 6,250 | - | - | Direct |
| Nov 25, 2025 | NKTR NEKTAR THERAPEUTICS | Sale | 1,157 | $54.28 | $62,802 | Direct |
| Nov 21, 2025 | NKTR NEKTAR THERAPEUTICS | Award | 2,666 | - | - | Direct |
1-10 of 22 transactions