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START FREE TRIAL →Jonathan Zalevsky, Chief R&D Officer, is a corporate insider tracked by InsiderTape across 1 company. The public record shows 25 open-market SEC Form 4 transactions: 0 purchases worth $0 and 25 sales worth $1.9M, reported from Aug 16, 21 to Jun 30, 26. Over this period they have been a net seller.
| Date | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|
| Jun 30, 26 | NKTRNEKTAR THERAPEUTICS | SELL | 5.7K | $70.00 | $398K |
| Feb 18, 26 | NKTRNEKTAR THERAPEUTICS | SELL | 180 | $73.00 | $13K |
| Jan 20, 26 | NKTRNEKTAR THERAPEUTICS | SELL | 3.9K | $35.67 | $138K |
| Nov 25, 25 | NKTRNEKTAR THERAPEUTICS | SELL | 1.2K | $54.28 | $63K |
| Sep 4, 25 | NKTRNEKTAR THERAPEUTICS | SELL | 793 | $35.69 | $26K |
| Sep 2, 25 | NKTRNEKTAR THERAPEUTICS | SELL | 485 | $30.10 | $15K |
| Aug 19, 25 | NKTRNEKTAR THERAPEUTICS | SELL | 725 | $26.59 | $19K |
| May 19, 25 | NKTRNEKTAR THERAPEUTICS | SELL | 10.7K | $0.67 | $7K |
| Feb 19, 25 | NKTRNEKTAR THERAPEUTICS | SELL | 10.3K | $1.01 | $10K |
| Dec 19, 24 | NKTRNEKTAR THERAPEUTICS | SELL | 51.1K | $0.94 | $48K |
| Nov 19, 24 | NKTRNEKTAR THERAPEUTICS | SELL | 7.8K | $1.01 | $8K |
| Aug 19, 24 | NKTRNEKTAR THERAPEUTICS | SELL | 6.9K | $1.28 | $9K |
| May 17, 24 | NKTRNEKTAR THERAPEUTICS | SELL | 7.4K | $1.75 | $13K |
| Feb 20, 24 | NKTRNEKTAR THERAPEUTICS | SELL | 9.0K | $0.68 | $6K |
| Nov 17, 23 | NKTRNEKTAR THERAPEUTICS | SELL | 9.6K | $0.49 | $5K |
| Aug 16, 23 | NKTRNEKTAR THERAPEUTICS | SELL | 9.7K | $0.78 | $8K |
| May 16, 23 | NKTRNEKTAR THERAPEUTICS | SELL | 9.8K | $0.72 | $7K |
| Feb 16, 23 | NKTRNEKTAR THERAPEUTICS | SELL | 10.5K | $3.00 | $31K |
| Nov 16, 22 | NKTRNEKTAR THERAPEUTICS | SELL | 13.5K | $3.57 | $48K |
| Aug 18, 22 | NKTRNEKTAR THERAPEUTICS | SELL | 73.7K | $4.65 | $343K |
| Aug 16, 22 | NKTRNEKTAR THERAPEUTICS | SELL | 10.6K | $4.76 | $50K |
| May 16, 22 | NKTRNEKTAR THERAPEUTICS | SELL | 21.7K | $3.95 | $86K |
| Feb 16, 22 | NKTRNEKTAR THERAPEUTICS | SELL | 10.9K | $10.95 | $119K |
| Nov 16, 21 | NKTRNEKTAR THERAPEUTICS | SELL | 20.9K | $13.16 | $275K |
| Aug 16, 21 | NKTRNEKTAR THERAPEUTICS | SELL | 7.7K | $13.83 | $106K |