NASDAQ:NKTR

Nektar Therapeutics Stock Insider Trading

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$72.76
+2.17 (+3.07%)
At Close: Aug 04, 2026

Nektar Therapeutics Stock Insider Power

Based on the 100 latest insides trades, we have calculated the insider power to be negative at -47.16. In total, the insiders bought 1.18M and sold 268.74K NKTR shares in the last 100 trades. The insider score can be negative despite buy/sell ratio being positive. The score focuses on the quality of the trades.

Insider Power

(Last 100 transactions)
-47.16
Buy 1.18M shares
Sell 268.74K shares
34% Buy Activity
Moderate Negative Correlation
Sell Signal Medium Confidence
Jun 17, 2026

Analysis Breakdown:

  • Supported by a negative Insider Power Score of -47.16.
  • Partially supported by a negative historical correlation.
  • Confidence increased due to high data reliability score of 100.

Historical Insider Trades

Date Type Person Role Amount
Nov 21, 2025
Buy
Stock Option
A-Award
Zalevsky Jonathan
Chief R&d Officer
Officer 4 766
Value: $1.34M
Nov 21, 2025
Buy
Common Stock
A-Award
Wilson Mark Andrew
Chief Legal Officer
Officer 1 903
Value: $103.3K
Sep 30, 2025
Buy
Stock Option
A-Award
Whitfield Roy A
Director
Director 8 000
Value: $455.2K
Sep 30, 2025
Buy
Stock Option
A-Award
Greer R Scott
Director
Director 8 000
Value: $455.2K
Sep 30, 2025
Buy
Stock Option
A-Award
Chess Robert
Director
Director 8 000
Value: $455.2K
Sep 30, 2025
Buy
Stock Option
A-Award
Brainard Diana
Director
Director 8 000
Value: $455.2K
Sep 30, 2025
Buy
Stock Option
A-Award
Ajer Jeffrey Robert
Director
Director 8 000
Value: $455.2K
Sep 30, 2025
Buy
Stock Option
A-Award
Ajer Jeffrey Robert
Director
Director 8 000
Value: $455.2K
Sep 30, 2025
Buy
Stock Option
A-Award
Brainard Diana
Director
Director 8 000
Value: $455.2K
Sep 30, 2025
Buy
Stock Option
A-Award
Chess Robert
Director
Director 8 000
Value: $455.2K
Sep 30, 2025
Buy
Stock Option
A-Award
Greer R Scott
Director
Director 8 000
Value: $455.2K
Sep 30, 2025
Buy
Stock Option
A-Award
Whitfield Roy A
Director
Director 8 000
Value: $455.2K
Sep 09, 2025
Sell
Common Stock
S-Sale
Robin Howard W
President & CEO
CEO / President 2 100
Value: $94.8K
Sep 09, 2025
Sell
Common Stock
S-Sale
Robin Howard W
President & CEO
CEO / President 1 200
Value: $55.7K
Sep 09, 2025
Sell
Common Stock
S-Sale
Robin Howard W
President & CEO
CEO / President 2 156
Value: $102.4K
Sep 09, 2025
Sell
Common Stock
S-Sale
Robin Howard W
President & CEO
CEO / President 1 210
Value: $58.3K
Sep 09, 2025
Sell
Common Stock
S-Sale
Robin Howard W
President & CEO
CEO / President 1 210
Value: $58.3K
Sep 09, 2025
Sell
Common Stock
S-Sale
Robin Howard W
President & CEO
CEO / President 2 156
Value: $102.4K
Sep 09, 2025
Sell
Common Stock
S-Sale
Robin Howard W
President & CEO
CEO / President 1 200
Value: $55.7K
Sep 09, 2025
Sell
Common Stock
S-Sale
Robin Howard W
President & CEO
CEO / President 2 100
Value: $94.8K
Sep 05, 2025
Sell
Common Stock
S-Sale
Robin Howard W
President & CEO
CEO / President 3 304
Value: $125.1K
Sep 05, 2025
Sell
Common Stock
S-Sale
Robin Howard W
President & CEO
CEO / President 2 226
Value: $86.4K
Sep 05, 2025
Sell
Common Stock
S-Sale
Robin Howard W
President & CEO
CEO / President 1 136
Value: $45.3K
Sep 05, 2025
Sell
Common Stock
S-Sale
Robin Howard W
President & CEO
CEO / President 1 136
Value: $45.3K
Sep 05, 2025
Sell
Common Stock
S-Sale
Robin Howard W
President & CEO
CEO / President 2 226
Value: $86.4K

About Insider Power

Insider Power is a proprietary algorithm developed by StockInvest.us to evaluate the significance of insider transactions. The calculation considers the size, type, and timing of transactions, as well as the insider’s role within the company.

It is important to note that, in general, there is little to no correlation between insider transactions and short-term stock price movements. In one of our studies, only 0.22%* of stocks with insider activity showed a measurable correlation — and even then, it was unclear whether the effect was caused by insider actions or simply by the stock’s broader trend.

While our algorithms are designed to highlight potentially meaningful signals, these cannot be regarded as statistically significant on their own. Insider trading activity should therefore be seen as informative rather than as direct trading guidance. The Insider Power metric was created to present this information in a clearer and more accessible way, helping investors better understand the possible context of insider activity.

* October 6th, 2025 - Tested on 5562 stocks

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ABOUT NEKTAR THERAPEUTICS
Nektar Therapeutics
Nektar Therapeutics, a biopharmaceutical company, focuses on discovering and developing medicines in areas of unmet medical need in the United States and internationally. The company's products include Bempegaldesleukin, a CD122-preferential interleukin-2 (IL-2) pathway agonist, which is in phase 3 clinical trial to treat metastatic melanoma, renal cell carcinoma, muscle-invasive bladder cancer, squamous cell carcinoma of the head and neck, and a...
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